def test_plus_minus(): if sys.version_info.major <= 3: return with Quantity.prefs( spacer=None, show_label=None, label_fmt=None, label_fmt_full=None, show_desc=False, prec=4, plus=Quantity.plus_sign, minus=Quantity.minus_sign, map_sf=Quantity.map_sf_to_sci_notation, ): qpp = Quantity('+1Ms') qpm = Quantity('+1us') qmp = Quantity('-1Ms') qmm = Quantity('-1us') assert '{}'.format(qpp) == '1 Ms' assert '{}'.format(qpm) == '1 µs' assert '{}'.format(qmp) == '−1 Ms' assert '{}'.format(qmm) == '−1 µs' assert '{0:e} {0:u}'.format(qpp) == '1e+06 s' assert '{0:e} {0:u}'.format(qpm) == '1e−06 s' assert '{0:e} {0:u}'.format(qmp) == '−1e+06 s' assert '{0:e} {0:u}'.format(qmm) == '−1e−06 s' assert '{:.8p}'.format(qpp) == '1000000 s' assert '{:.8p}'.format(qpm) == '0.000001 s' assert '{:.8p}'.format(qmp) == '−1000000 s' assert '{:.8p}'.format(qmm) == '−0.000001 s'
def test_prefs_defaults(): Quantity.reset_prefs() Quantity.set_prefs(spacer='-', map_sf=dict(k='K')) assert Quantity.get_pref('spacer') == '-' assert Quantity.get_pref('map_sf') == dict(k='K') class Foo(Quantity): pass assert Foo.get_pref('spacer') == '-' assert Foo.get_pref('map_sf') == dict(k='K') Foo.set_prefs(spacer='~', map_sf={}) assert Foo.get_pref('spacer') == '~' assert Foo.get_pref('map_sf') == dict() assert Quantity.get_pref('spacer') == '-' assert Quantity.get_pref('map_sf') == dict(k='K') with Quantity.prefs(spacer=None, map_sf=None): assert Quantity.get_pref('spacer') == ' ' assert Quantity.get_pref('map_sf') == {} assert Quantity.get_pref('spacer') == '-' assert Quantity.get_pref('map_sf') == dict(k='K') Quantity.set_prefs(spacer=None, map_sf=None)
def test_reader(): with Quantity.prefs(known_units='Zippy'): for line in data1.splitlines(): v, s1, s2, s3, s4, s5 = [ c.strip() for c in line.strip().split(';') ] print('Trying: v={v}, s1={s1}, s2={s2}, s3={s3}, s4={s4}, s5={s5}'. format(**locals())) q = Quantity(v, binary=True) res = str(q) exp = '{v}: expected <{s1}>, got <{res}>.'.format(**locals()) assert s1 == res, exp res = q.binary() exp = '{v}: expected <{s2}>, got <{res}>.'.format(**locals()) assert s2 == res, exp res = q.binary(prec=4, strip_zeros=False) exp = '{v}: expected <{s3}>, got <{res}>.'.format(**locals()) assert s3 == res, exp res = q.binary(strip_zeros=True, strip_radix=False, show_units=False) exp = '{v}: expected <{s4}>, got <{res}>.'.format(**locals()) assert s4 == res, exp res = q.binary(prec='full', strip_zeros=False) exp = '{v}: expected <{s5}>, got <{res}>.'.format(**locals()) assert s5 == res, exp
def test_time(): Quantity.reset_prefs() with Quantity.prefs( spacer=None, show_label=None, label_fmt=None, label_fmt_full=None, ignore_sf=True ): q=Quantity('86400 s') assert q.render() == '86.4 ks' assert q.render(scale='sec') == '86.4 ksec' assert q.render(scale='min') == '1.44 kmin' assert q.render(scale='hr') == '24 hr' assert q.render(scale='hour') == '24 hour' assert q.render(scale='day') == '1 day' q=Quantity('1 day', scale='s') assert q.render() == '86.4 ks' q=Quantity('24 hour', scale='s') assert q.render() == '86.4 ks' q=Quantity('24 hr', scale='s') assert q.render() == '86.4 ks' q=Quantity('60 min', scale='s') assert q.render() == '3.6 ks' q=Quantity('60 sec', scale='s') assert q.render() == '60 s'
def test_radix_comma_exception(): with pytest.raises(ValueError) as exception: with Quantity.prefs(radix=',', ): Quantity('$1M') assert exception.value.args[0] == "comma and radix must differ." with pytest.raises(QuantiPhyError) as exception: with Quantity.prefs(comma='.', ): Quantity('$1M') assert exception.value.args[0] == "comma and radix must differ." with pytest.raises(IncompatiblePreferences) as exception: with Quantity.prefs( comma='^', radix='^', ): Quantity('$1M') assert exception.value.args[0] == "comma and radix must differ."
def test_simple_scaling(): Quantity.reset_prefs() with Quantity.prefs( spacer=None, show_label=None, label_fmt=None, label_fmt_full=None ): q=Quantity('1kg', scale=2) qs=Quantity('2ms') assert q.render() == '2 kg' assert qs.render() == '2 ms' assert q.render(scale=0.001) == '2 g' assert str(q.scale(0.001)) == '2 g' assert q.render(scale=qs) == '4 g' assert str(q.scale(qs)) == '4 g' with pytest.raises(KeyError) as exception: q.render(scale='fuzz') assert str(exception.value) == "unable to convert between 'fuzz' and 'g'." assert isinstance(exception.value, UnknownConversion) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, KeyError) assert exception.value.args == ('fuzz', 'g') with pytest.raises(KeyError) as exception: q.scale('fuzz') assert str(exception.value) == "unable to convert between 'fuzz' and 'g'." assert isinstance(exception.value, UnknownConversion) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, KeyError) assert exception.value.args == ('fuzz', 'g') q=Quantity('1', units='g', scale=1000) assert q.render() == '1 kg' assert q.render(scale=(0.0022046, 'lbs')) == '2.2046 lbs' assert str(q.scale((0.0022046, 'lbs'))) == '2.2046 lbs' q=Quantity('1', units='g', scale=qs) assert q.render() == '2 mg' q=Quantity('1', scale=(1000, 'g')) assert q.render() == '1 kg' assert q.render(scale=lambda v, u: (0.0022046*v, 'lbs')) == '2.2046 lbs' def dB(v, u): return 20*math.log(v, 10), 'dB'+u def adB(v, u): return pow(10, v/20), u[2:] if u.startswith('dB') else u q=Quantity('-40 dBV', scale=adB) assert q.render() == '10 mV' assert q.render(scale=dB) == '-40 dBV' assert str(q.scale(dB)) == '-40 dBV'
def test_number_recognition(name, given, prefs, tests, error): with Quantity.prefs(**prefs): try: defined = with_quantiphy.exec(given) except (ValueError, KeyError) as e: assert not tests, name assert str(e) == error, name return for id, test in tests.items(): result = eval(test['evaluate'], {}, defined) expected = eval(test['expected'], {}, defined) assert result == pytest.approx(expected, abs=0, nan_ok=True), f'{name} {id}'
def test_radix_comma_input(): with Quantity.prefs( spacer = None, show_label = None, label_fmt = None, label_fmt_full = None, show_desc = False, prec = 4, radix = ',', comma = '.', ): assert Quantity('299,79 Mm/s').render() == '299,79 Mm/s' assert Quantity('299,792458e6 m/s').render() == '299,79 Mm/s' assert Quantity('299,792458 Mm/s').render() == '299,79 Mm/s' assert Quantity('299.792.458,0000 m/s').render() == '299,79 Mm/s' assert Quantity('299792458,0000 m/s').render() == '299,79 Mm/s' assert Quantity('1.000.000,00 KiB', binary=True).render() == '1,024 GB' assert Quantity('$1.000.000,00').render() == '$1M' assert Quantity('$1.000.000,00e3').render() == '$1G' with Quantity.prefs( spacer = None, show_label = None, label_fmt = None, label_fmt_full = None, show_desc = False, prec = 4, radix = ',', comma = '', ): assert Quantity('299,79 Mm/s').render() == '299,79 Mm/s' assert Quantity('299.79 Mm/s').render() == '299,79 Mm/s' assert Quantity('$1000000,00').render() == '$1M' assert Quantity('$1000000.00').render() == '$1M' assert Quantity('$1,00e8').render() == '$100M' assert Quantity('$1.00e8').render() == '$100M'
def test_assign_rec(): with Quantity.prefs( assign_rec= r'(?P<name>\w+?)\s*=\s*(?P<val>\w*)(\s+(--)\s*(?P<desc>.*?))?\Z'): qs = Quantity.extract(r""" -- The Hydrogen Line bad = -- Also known as the 21 cm line = bad -- The spectral line associated with a spin flip. f_hy = 1420MHz -- Hydrogen line frequency """) f_hy = qs.pop('f_hy') assert f_hy.is_close(Quantity(1.42e9, 'Hz'), check_units=True) assert f_hy.is_close(1.42e9) assert f_hy.units == 'Hz' assert f_hy.name == 'f_hy' assert f_hy.desc == 'Hydrogen line frequency' assert not qs
def test_mass(): with Quantity.prefs( spacer=None, show_label=None, label_fmt=None, label_fmt_full=None, ignore_sf=False ): q=Quantity('1 g') assert q.render() == '1 g' assert q.render(scale='oz') == '35.274 moz' assert q.render(scale='lb') == '2.2046 mlb' assert q.render(scale='lbs') == '2.2046 mlbs' q=Quantity('1 oz', scale='g') assert q.render() == '28.35 g' q=Quantity('1 lb', scale='g') assert q.render() == '453.59 g' q=Quantity('1 lbs', scale='g') assert q.render() == '453.59 g'
def test_radix_comma_output(): with Quantity.prefs( spacer = None, show_label = None, label_fmt = None, label_fmt_full = None, show_desc = False, prec = 4, radix = ',', comma = '.', ): q=Quantity('c') assert '{}'.format(q) == '299,79 Mm/s' assert '{:.8}'.format(q) == '299,792458 Mm/s' assert '{:.8s}'.format(q) == '299,792458 Mm/s' assert '{:.8S}'.format(q) == 'c = 299,792458 Mm/s' assert '{:.8q}'.format(q) == '299,792458 Mm/s' assert '{:.8Q}'.format(q) == 'c = 299,792458 Mm/s' assert '{:r}'.format(q) == '299,79M' assert '{:R}'.format(q) == 'c = 299,79M' assert '{:u}'.format(q) == 'm/s' assert '{:.4f}'.format(q) == '299792458' assert '{:.4F}'.format(q) == 'c = 299792458' assert '{:e}'.format(q) == '2.9979e+08' assert '{:E}'.format(q) == 'c = 2.9979e+08' assert '{:g}'.format(q) == '2.9979e+08' assert '{:G}'.format(q) == 'c = 2.9979e+08' assert '{:n}'.format(q) == 'c' assert '{:d}'.format(q) == 'speed of light' assert '{:#p}'.format(q) == '299792458,0000 m/s' assert '{:#.2p}'.format(q) == '299792458,00 m/s' assert '{:#,.2p}'.format(q) == '299.792.458,00 m/s' assert '{:#,P}'.format(q) == 'c = 299.792.458,0000 m/s' assert '{:#.2P}'.format(q) == 'c = 299792458,00 m/s' assert '{:#,.2P}'.format(q) == 'c = 299.792.458,00 m/s' assert '{:p}'.format(q) == '299792458 m/s' assert '{:.2p}'.format(q) == '299792458 m/s' assert '{:,.2p}'.format(q) == '299.792.458 m/s' assert '{:,P}'.format(q) == 'c = 299.792.458 m/s' assert '{:.2P}'.format(q) == 'c = 299792458 m/s' assert '{:,.2P}'.format(q) == 'c = 299.792.458 m/s'
def test_plus_minus(): with Quantity.prefs( spacer = None, show_label = None, label_fmt = None, label_fmt_full = None, show_desc = False, prec = 4, plus = Quantity.plus_sign, minus = Quantity.minus_sign, map_sf = Quantity.map_sf_to_sci_notation, ): qpp=Quantity('+1Ms') qpm=Quantity('+1us') qmp=Quantity('-1Ms') qmm=Quantity('-1us') assert '{}'.format(qpp) == '1 Ms' assert '{}'.format(qpm) == '1 µs' assert '{}'.format(qmp) == '−1 Ms' assert '{}'.format(qmm) == '−1 µs' assert '{0:e} {0:u}'.format(qpp) == '1e+06 s' assert '{0:e} {0:u}'.format(qpm) == '1e−06 s' assert '{0:e} {0:u}'.format(qmp) == '−1e+06 s' assert '{0:e} {0:u}'.format(qmm) == '−1e−06 s' assert '{:.8p}'.format(qpp) == '1000000 s' assert '{:.8p}'.format(qpm) == '0.000001 s' assert '{:.8p}'.format(qmp) == '−1000000 s' assert '{:.8p}'.format(qmm) == '−0.000001 s' assert qpp.render(form='sia') == '1 Ms' assert qpm.render(form='sia') == '1 us' assert qmp.render(form='sia') == '−1 Ms' assert qmm.render(form='sia') == '−1 us'
def ident(self): with Quantity.prefs(spacer=''): return ''.join(cull([self.tokens.name(), self.date])).lower()
def to_rkm(q, prec=None, show_units=None, strip_zeros=None, strip_code=None): '''To RKM Convert a quantiphy.Quantity to an RKM string. Args: q (quantiphy.Quantity, str, or float): The value to be converted to an RKM code. prec (int): The precision. The number of digits is the precision + 1. show_units (bool): Whether and where the units should be included in the RKM code (default is False). strip_zeros (bool): Whether excess zeros should be removed (default is True). strip_code (bool): Whether the base code should be removed from the end of the RKM code (eg: 470 → 470 if true and 470r otherwise). Returns: A quantiphy.Quantity if a valid RKM code was found, otherwise *None* is returned. ''' if show_units is None: show_units = _show_units if strip_zeros is None: strip_zeros = _strip_zeros if strip_code is None: strip_code = _strip_code if prec is None: prec = _prec try: units = q.units except AttributeError: q = Quantity(q) units = q.units rkm_base_code = _units_to_rkm_base_code.get(units, units) if not rkm_base_code: rkm_base_code = 'd' if not show_units: units = '' with q.prefs( map_sf={}, show_units=False, strip_zeros=False, strip_radix=False, prec=prec ): value = q.render(form='si') if 'e-' in value: value = q.render(form='fixed') is_negative = value.startswith('-') if is_negative: value = value[1:] sf = value[-1] if sf and sf in q.output_sf: value = value[:-1] elif units: sf = '' else: sf = rkm_base_code if '.' not in value: value += '.' if strip_zeros: value = value.rstrip('0') if value.startswith('0.') and value[-1] != '.': value = value[1:] if not sf: if units: sf = units units = '' else: sf = rkm_base_code if strip_code and sf == rkm_base_code: value = value.rstrip('.') if is_negative: value = '-' + value value = value.replace('-', _minus_sign) return value.replace('.', _map_sf.get(sf, sf)+units)
def test_sign(): Quantity.set_prefs(spacer=None, show_label=None, label_fmt=None, label_fmt_full=None, show_desc=False) # Positive numbers q=Quantity('f = 1420.405751786 MHz -- frequency of hydrogen line') assert '{}'.format(q) == '1.4204 GHz' assert '{:q}'.format(q) == '1.4204 GHz' assert '{:r}'.format(q) == '1.4204G' assert '{:f}'.format(q) == '1420405751.786' assert '{:e}'.format(q) == '1.4204e+09' assert '{:g}'.format(q) == '1.4204e+09' assert '{:p}'.format(q) == '1420405751.786 Hz' assert '{:,p}'.format(q) == '1,420,405,751.786 Hz' assert '{:#.3q}'.format(q) == '1.420 GHz' assert '{:#p}'.format(q) == '1420405751.7860 Hz' q=Quantity('Total = $1000k -- a large amount of money') assert '{}'.format(q) == '$1M' assert '{:q}'.format(q) == '$1M' assert '{:r}'.format(q) == '1M' assert '{:f}'.format(q) == '1000000' assert '{:e}'.format(q) == '1e+06' assert '{:g}'.format(q) == '1e+06' assert '{:p}'.format(q) == '$1000000' assert '{:#p}'.format(q) == '$1000000.0000' q=Quantity('f = 1e100 atoms') assert '{}'.format(q) == '10e99 atoms' assert '{:q}'.format(q) == '10e99 atoms' assert '{:r}'.format(q) == '10e99' assert '{:e}'.format(q) == '1e+100' assert '{:g}'.format(q) == '1e+100' q=Quantity('light = inf Hz -- a high frequency') assert '{}'.format(q) == 'inf Hz' assert '{:q}'.format(q) == 'inf Hz' assert '{:r}'.format(q) == 'inf' assert '{:f}'.format(q) == 'inf' assert '{:e}'.format(q) == 'inf' assert '{:g}'.format(q) == 'inf' assert '{:p}'.format(q) == 'inf Hz' q=Quantity('f = -1420.405751786 MHz -- frequency of hydrogen line') assert '{}'.format(q) == '-1.4204 GHz' assert '{:f}'.format(q) == '-1420405751.786' assert '{:e}'.format(q) == '-1.4204e+09' assert '{:g}'.format(q) == '-1.4204e+09' assert '{:p}'.format(q) == '-1420405751.786 Hz' assert '{:,p}'.format(q) == '-1,420,405,751.786 Hz' assert '{:#.3q}'.format(q) == '-1.420 GHz' assert '{:#p}'.format(q) == '-1420405751.7860 Hz' # Negative numbers q=Quantity('f = -1420.405751786 MHz -- frequency of hydrogen line') assert '{}'.format(q) == '-1.4204 GHz' assert '{:q}'.format(q) == '-1.4204 GHz' assert '{:r}'.format(q) == '-1.4204G' assert '{:f}'.format(q) == '-1420405751.786' assert '{:e}'.format(q) == '-1.4204e+09' assert '{:g}'.format(q) == '-1.4204e+09' assert '{:p}'.format(q) == '-1420405751.786 Hz' assert '{:,p}'.format(q) == '-1,420,405,751.786 Hz' assert '{:#.3q}'.format(q) == '-1.420 GHz' assert '{:#p}'.format(q) == '-1420405751.7860 Hz' q=Quantity('Total = -$1000k -- a large amount of money') assert '{}'.format(q) == '-$1M' assert '{:q}'.format(q) == '-$1M' assert '{:r}'.format(q) == '-1M' assert '{:f}'.format(q) == '-1000000' assert '{:e}'.format(q) == '-1e+06' assert '{:g}'.format(q) == '-1e+06' assert '{:p}'.format(q) == '-$1000000' assert '{:#p}'.format(q) == '-$1000000.0000' q=Quantity('f = -1e-100 atoms') assert '{}'.format(q) == '-100e-102 atoms' assert '{:q}'.format(q) == '-100e-102 atoms' assert '{:r}'.format(q) == '-100e-102' assert '{:e}'.format(q) == '-1e-100' assert '{:g}'.format(q) == '-1e-100' q=Quantity('light = -inf Hz -- a high frequency') assert '{}'.format(q) == '-inf Hz' assert '{:q}'.format(q) == '-inf Hz' assert '{:r}'.format(q) == '-inf' assert '{:f}'.format(q) == '-inf' assert '{:e}'.format(q) == '-inf' assert '{:g}'.format(q) == '-inf' assert '{:p}'.format(q) == '-inf Hz' with Quantity.prefs(plus=Quantity.plus_sign, minus=Quantity.minus_sign): # Positive numbers q=Quantity('f = 1420.405751786 MHz -- frequency of hydrogen line') assert '{}'.format(q) == '1.4204 GHz' assert '{:q}'.format(q) == '1.4204 GHz' assert '{:r}'.format(q) == '1.4204G' assert '{:f}'.format(q) == '1420405751.786' assert '{:e}'.format(q) == '1.4204e+09' assert '{:g}'.format(q) == '1.4204e+09' assert '{:p}'.format(q) == '1420405751.786 Hz' assert '{:,p}'.format(q) == '1,420,405,751.786 Hz' assert '{:#.3q}'.format(q) == '1.420 GHz' assert '{:#p}'.format(q) == '1420405751.7860 Hz' q=Quantity('Total = $1000k -- a large amount of money') assert '{}'.format(q) == '$1M' assert '{:q}'.format(q) == '$1M' assert '{:r}'.format(q) == '1M' assert '{:f}'.format(q) == '1000000' assert '{:e}'.format(q) == '1e+06' assert '{:g}'.format(q) == '1e+06' assert '{:p}'.format(q) == '$1000000' assert '{:#p}'.format(q) == '$1000000.0000' q=Quantity('f = 1e100 atoms') assert '{}'.format(q) == '10e99 atoms' assert '{:q}'.format(q) == '10e99 atoms' assert '{:r}'.format(q) == '10e99' assert '{:e}'.format(q) == '1e+100' assert '{:g}'.format(q) == '1e+100' q=Quantity('light = inf Hz -- a high frequency') assert '{}'.format(q) == 'inf Hz' assert '{:q}'.format(q) == 'inf Hz' assert '{:r}'.format(q) == 'inf' assert '{:f}'.format(q) == 'inf' assert '{:e}'.format(q) == 'inf' assert '{:g}'.format(q) == 'inf' assert '{:p}'.format(q) == 'inf Hz' # Negative numbers q=Quantity('f = -1420.405751786 MHz -- frequency of hydrogen line') assert '{}'.format(q) == '−1.4204 GHz' assert '{:q}'.format(q) == '−1.4204 GHz' assert '{:r}'.format(q) == '−1.4204G' assert '{:f}'.format(q) == '−1420405751.786' assert '{:e}'.format(q) == '−1.4204e+09' assert '{:g}'.format(q) == '−1.4204e+09' assert '{:p}'.format(q) == '−1420405751.786 Hz' assert '{:,p}'.format(q) == '−1,420,405,751.786 Hz' assert '{:#.3q}'.format(q) == '−1.420 GHz' assert '{:#p}'.format(q) == '−1420405751.7860 Hz' q=Quantity('Total = -$1000k -- a large amount of money') assert '{}'.format(q) == '−$1M' assert '{:q}'.format(q) == '−$1M' assert '{:r}'.format(q) == '−1M' assert '{:f}'.format(q) == '−1000000' assert '{:e}'.format(q) == '−1e+06' assert '{:g}'.format(q) == '−1e+06' assert '{:p}'.format(q) == '−$1000000' assert '{:#p}'.format(q) == '−$1000000.0000' q=Quantity('f = -1e-100 atoms') assert '{}'.format(q) == '−100e−102 atoms' assert '{:q}'.format(q) == '−100e−102 atoms' assert '{:r}'.format(q) == '−100e−102' assert '{:e}'.format(q) == '−1e−100' assert '{:g}'.format(q) == '−1e−100' q=Quantity('light = -inf Hz -- a high frequency') assert '{}'.format(q) == '−inf Hz' assert '{:q}'.format(q) == '−inf Hz' assert '{:r}'.format(q) == '−inf' assert '{:f}'.format(q) == '−inf' assert '{:e}'.format(q) == '−inf' assert '{:g}'.format(q) == '−inf' assert '{:p}'.format(q) == '−inf Hz' with Quantity.prefs(plus='', minus=Quantity.minus_sign): # Positive numbers q=Quantity('f = 1420.405751786 MHz -- frequency of hydrogen line') assert '{}'.format(q) == '1.4204 GHz' assert '{:q}'.format(q) == '1.4204 GHz' assert '{:r}'.format(q) == '1.4204G' assert '{:f}'.format(q) == '1420405751.786' assert '{:e}'.format(q) == '1.4204e09' assert '{:g}'.format(q) == '1.4204e09' assert '{:p}'.format(q) == '1420405751.786 Hz' assert '{:,p}'.format(q) == '1,420,405,751.786 Hz' assert '{:#.3q}'.format(q) == '1.420 GHz' assert '{:#p}'.format(q) == '1420405751.7860 Hz' q=Quantity('Total = $1000k -- a large amount of money') assert '{}'.format(q) == '$1M' assert '{:q}'.format(q) == '$1M' assert '{:r}'.format(q) == '1M' assert '{:f}'.format(q) == '1000000' assert '{:e}'.format(q) == '1e06' assert '{:g}'.format(q) == '1e06' assert '{:p}'.format(q) == '$1000000' assert '{:#p}'.format(q) == '$1000000.0000' q=Quantity('f = 1e100 atoms') assert '{}'.format(q) == '10e99 atoms' assert '{:q}'.format(q) == '10e99 atoms' assert '{:r}'.format(q) == '10e99' assert '{:e}'.format(q) == '1e100' assert '{:g}'.format(q) == '1e100' q=Quantity('light = inf Hz -- a high frequency') assert '{}'.format(q) == 'inf Hz' assert '{:q}'.format(q) == 'inf Hz' assert '{:r}'.format(q) == 'inf' assert '{:f}'.format(q) == 'inf' assert '{:e}'.format(q) == 'inf' assert '{:g}'.format(q) == 'inf' assert '{:p}'.format(q) == 'inf Hz' # Negative numbers q=Quantity('f = -1420.405751786 MHz -- frequency of hydrogen line') assert '{}'.format(q) == '−1.4204 GHz' assert '{:q}'.format(q) == '−1.4204 GHz' assert '{:r}'.format(q) == '−1.4204G' assert '{:f}'.format(q) == '−1420405751.786' assert '{:e}'.format(q) == '−1.4204e09' assert '{:g}'.format(q) == '−1.4204e09' assert '{:p}'.format(q) == '−1420405751.786 Hz' assert '{:,p}'.format(q) == '−1,420,405,751.786 Hz' assert '{:#.3q}'.format(q) == '−1.420 GHz' assert '{:#p}'.format(q) == '−1420405751.7860 Hz' q=Quantity('Total = -$1000k -- a large amount of money') assert '{}'.format(q) == '−$1M' assert '{:q}'.format(q) == '−$1M' assert '{:r}'.format(q) == '−1M' assert '{:f}'.format(q) == '−1000000' assert '{:e}'.format(q) == '−1e06' assert '{:g}'.format(q) == '−1e06' assert '{:p}'.format(q) == '−$1000000' assert '{:#p}'.format(q) == '−$1000000.0000' q=Quantity('f = -1e-100 atoms') assert '{}'.format(q) == '−100e−102 atoms' assert '{:q}'.format(q) == '−100e−102 atoms' assert '{:r}'.format(q) == '−100e−102' assert '{:e}'.format(q) == '−1e−100' assert '{:g}'.format(q) == '−1e−100' q=Quantity('light = -inf Hz -- a high frequency') assert '{}'.format(q) == '−inf Hz' assert '{:q}'.format(q) == '−inf Hz' assert '{:r}'.format(q) == '−inf' assert '{:f}'.format(q) == '−inf' assert '{:e}'.format(q) == '−inf' assert '{:g}'.format(q) == '−inf' assert '{:p}'.format(q) == '−inf Hz'
def test_number_fmt(): Quantity.set_prefs(spacer=None, show_label=None, label_fmt=None, label_fmt_full=None, show_desc=False) Quantity.set_prefs(prec=None) with Quantity.prefs(number_fmt='{whole:>3s}{frac:<4s} {units:<2s}'): assert '<{:s}>'.format(Quantity('1 mm')) == '< 1 mm>' assert '<{:s}>'.format(Quantity('10 mm')) == '< 10 mm>' assert '<{:s}>'.format(Quantity('100 mm')) == '<100 mm>' assert '<{:s}>'.format(Quantity('1.234 mm')) == '< 1.234 mm>' assert '<{:s}>'.format(Quantity('12.34 mm')) == '< 12.34 mm>' assert '<{:s}>'.format(Quantity('123.4 mm')) == '<123.4 mm>' with Quantity.prefs(number_fmt='{whole:>5s}{frac:<7s} {units:<6s}'): assert '<{:s}>'.format(Quantity('1 mm')) == '< 1 mm >' assert '<{:s}>'.format(Quantity('10 mm')) == '< 10 mm >' assert '<{:s}>'.format(Quantity('100 mm')) == '< 100 mm >' assert '<{:s}>'.format(Quantity('1.234 mm')) == '< 1.234 mm >' assert '<{:s}>'.format(Quantity('12.34 mm')) == '< 12.34 mm >' assert '<{:s}>'.format(Quantity('123.4 mm')) == '< 123.4 mm >' assert '<{:s}>'.format(Quantity('123.4 mmeter')) == '< 123.4 mmeter>' assert '<{:s}>'.format(Quantity('1e36 m')) == '< 1e36 m >' assert '<{:s}>'.format(Quantity('10e36 m')) == '< 10e36 m >' assert '<{:s}>'.format(Quantity('100e36 m')) == '< 100e36 m >' assert '<{:s}>'.format(Quantity('1.234e36 m')) == '< 1.234e36 m >' assert '<{:s}>'.format(Quantity('12.34e36 m')) == '< 12.34e36 m >' assert '<{:s}>'.format(Quantity('123.4e36 m')) == '< 123.4e36 m >' assert '<{:s}>'.format(Quantity('123.4e36 meter')) == '< 123.4e36 meter >' assert '<{:s}>'.format(Quantity('$1k')) == '< $1 k >' assert '<{:s}>'.format(Quantity('$10k')) == '< $10 k >' assert '<{:s}>'.format(Quantity('$100k')) == '< $100 k >' assert '<{:s}>'.format(Quantity('$1.234k')) == '< $1.234 k >' assert '<{:s}>'.format(Quantity('$12.34k')) == '< $12.34 k >' assert '<{:s}>'.format(Quantity('$123.4k')) == '< $123.4 k >' assert '<{:s}>'.format(Quantity('-$1k')) == '< -$1 k >' assert '<{:s}>'.format(Quantity('-$10k')) == '< -$10 k >' assert '<{:s}>'.format(Quantity('-$100k')) == '<-$100 k >' assert '<{:s}>'.format(Quantity('-$1.234k')) == '< -$1.234 k >' assert '<{:s}>'.format(Quantity('-$12.34k')) == '< -$12.34 k >' assert '<{:s}>'.format(Quantity('-$123.4k')) == '<-$123.4 k >' assert '<{:s}>'.format(Quantity('nan Hz')) == '< NaN Hz >' assert '<{:s}>'.format(Quantity('inf Hz')) == '< inf Hz >' with Quantity.prefs(number_fmt='{whole:>3s}{frac} {units}'): assert '<{:s}>'.format(Quantity('1 mm')) == '< 1 mm>' assert '<{:s}>'.format(Quantity('10 mm')) == '< 10 mm>' assert '<{:s}>'.format(Quantity('100 mm')) == '<100 mm>' assert '<{:s}>'.format(Quantity('1.234 mm')) == '< 1.234 mm>' assert '<{:s}>'.format(Quantity('12.34 mm')) == '< 12.34 mm>' assert '<{:s}>'.format(Quantity('123.4 mm')) == '<123.4 mm>' def fmt_num(whole, frac, units): return '{mantissa:>5s} {units}'.format(mantissa=whole+frac, units=units) with Quantity.prefs(number_fmt=fmt_num): assert '<{:s}>'.format(Quantity('1 mm')) == '< 1 mm>' assert '<{:s}>'.format(Quantity('10 mm')) == '< 10 mm>' assert '<{:s}>'.format(Quantity('100 mm')) == '< 100 mm>' assert '<{:s}>'.format(Quantity('1.234 mm')) == '<1.234 mm>' assert '<{:s}>'.format(Quantity('12.34 mm')) == '<12.34 mm>' assert '<{:s}>'.format(Quantity('123.4 mm')) == '<123.4 mm>' with Quantity.prefs(number_fmt='{whole:>3s}{frac:<4s} {units:<2s}', radix=',', comma='.'): assert '<{:s}>'.format(Quantity('1 mm')) == '< 1 mm>' assert '<{:s}>'.format(Quantity('10 mm')) == '< 10 mm>' assert '<{:s}>'.format(Quantity('100 mm')) == '<100 mm>' assert '<{:s}>'.format(Quantity('1,234 mm')) == '< 1,234 mm>' assert '<{:s}>'.format(Quantity('12,34 mm')) == '< 12,34 mm>' assert '<{:s}>'.format(Quantity('123,4 mm')) == '<123,4 mm>'
def test_negligible(): Quantity.set_prefs(spacer=None, show_label=None, label_fmt=None, label_fmt_full=None) pn = Quantity('1nV') nn = Quantity('-1nV') pf = Quantity('1fV') nf = Quantity('-1fV') assert pn.render() == '1 nV' assert nn.render() == '-1 nV' assert pf.render() == '1 fV' assert nf.render() == '-1 fV' assert pn.render(negligible=1e-12) == '1 nV' assert nn.render(negligible=1e-12) == '-1 nV' assert pf.render(negligible=1e-12) == '0 V' assert nf.render(negligible=1e-12) == '0 V' with Quantity.prefs(negligible=1e-12): assert pn.render() == '1 nV' assert nn.render() == '-1 nV' assert pf.render() == '0 V' assert nf.render() == '0 V' assert repr(pn) == "Quantity('1 nV')" assert repr(nn) == "Quantity('-1 nV')" assert repr(pf) == "Quantity('1 fV')" assert repr(nf) == "Quantity('-1 fV')" assert pn.render(negligible=1e-6) == '0 V' assert nn.render(negligible=1e-6) == '0 V' assert pf.render(negligible=1e-6) == '0 V' assert nf.render(negligible=1e-6) == '0 V' q = Quantity('-0') assert q.render() == '-0' assert q.render(negligible=0) == '0' v = Quantity('1nV') c = Quantity('1fA') f = Quantity('1mHz') k = Quantity('k') u = Quantity(1e-9) with Quantity.prefs(): assert v.render() == '1 nV' assert c.render() == '1 fA' assert f.render() == '1 mHz' assert u.render() == '1n' assert k.render() == '13.806e-24 J/K' with Quantity.prefs(negligible=1e-6): assert v.render() == '0 V' assert c.render() == '0 A' assert f.render() == '1 mHz' assert u.render() == '0' assert k.render() == '0 J/K' with Quantity.prefs(negligible=dict(V=1e-6, A=1e-12, Hz=1)): assert v.render() == '0 V' assert c.render() == '0 A' assert f.render() == '0 Hz' assert u.render() == '1n' assert k.render() == '13.806e-24 J/K' with Quantity.prefs(negligible={ 'V': 1e-6, 'A': 1e-12, 'Hz': 1, None: 1e-12 }): assert v.render() == '0 V' assert c.render() == '0 A' assert f.render() == '0 Hz' assert u.render() == '1n' assert k.render() == '0 J/K' with Quantity.prefs(negligible={ 'V': 1e-6, 'A': 1e-12, 'Hz': 1, None: 1e-6 }): assert v.render() == '0 V' assert c.render() == '0 A' assert f.render() == '0 Hz' assert u.render() == '0' assert k.render() == '0 J/K' with Quantity.prefs(negligible={ 'V': 1e-6, 'A': 1e-12, 'Hz': 1, '': 1e-10, None: 1e-12 }): assert v.render() == '0 V' assert c.render() == '0 A' assert f.render() == '0 Hz' assert u.render() == '1n' assert k.render() == '0 J/K' with Quantity.prefs(negligible={ 'V': 1e-6, 'A': 1e-12, 'Hz': 1, '': 1e-6, None: 1e-12 }): assert v.render() == '0 V' assert c.render() == '0 A' assert f.render() == '0 Hz' assert u.render() == '0' assert k.render() == '0 J/K' given = 'Pass @ 3.40000006e-03s: V(atb) voltage: expected=0.00000000e+00V, measured=-8.60793065e-76V, diff=8.60793065e-76V.' expected = 'Pass @ 3.4 ms: V(atb) voltage: expected=0 V, measured=-860.79e-78 V, diff=860.79e-78 V.' got = Quantity.all_from_conv_fmt(given) assert got == expected expected = 'Pass @ 3.4 ms: V(atb) voltage: expected=0 V, measured=0 V, diff=0 V.' got = Quantity.all_from_conv_fmt(given, negligible=1e-12) assert got == expected
def test_misc2(): class Foo(Quantity): pass Foo.set_prefs(assign_rec=r'(?P<name>\w+)\s*=\s*(?P<val>.*)') q = Foo('seven = 7') assert q.name == 'seven' assert str(q) == '7' with pytest.raises(ValueError) as exception: q = Foo('%') assert str(exception.value) == '%: not a valid number.' assert isinstance(exception.value, InvalidNumber) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, ValueError) assert exception.value.args == ('%', ) assert exception.value.render( template='bad number given ({!r})') == "bad number given ('%')" assert exception.value.render( template='bad number given') == "%: bad number given" # the following is not kosher, but it should work exception.value._template = 'bad number ({!r})' assert str(exception.value) == "bad number ('%')" assert repr(exception.value) == "InvalidNumber('%')" with pytest.raises(ValueError): exception.value.render(template=['{} {}', '{} {} {}']) with pytest.raises(ValueError): exception.value.render(template=['{a} {b}', '{a} {b} {c}']) with pytest.raises(KeyError) as exception: Foo.set_prefs(assign_rec=r'(\w+)\s*=\s*(.*)') # no named groups Foo('seven = 7') assert str(exception.value) == "recognizer does not contain 'val' key." assert isinstance(exception.value, InvalidRecognizer) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, KeyError) assert exception.value.args == () assert Foo.get_pref('prec') == 4 assert Foo.get_pref('full_prec') == 12 with Foo.prefs(prec=5, full_prec=13): assert Foo.get_pref('prec') == 5 assert Foo.get_pref('full_prec') == 13 with Foo.prefs(prec=6, full_prec=14): assert Foo.get_pref('prec') == 6 assert Foo.get_pref('full_prec') == 14 assert Foo.get_pref('prec') == 5 assert Foo.get_pref('full_prec') == 13 assert Foo.get_pref('prec') == 4 assert Foo.get_pref('full_prec') == 12 q = Quantity('1.8_V') assert q.render(prec='full') == '1.8 V' with pytest.raises(ValueError) as exception: q = Quantity('x*y = z') assert str(exception.value) == 'z: not a valid number.' assert isinstance(exception.value, InvalidNumber) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, ValueError) assert exception.value.args == ('z', ) # this used to be an ValueError because 'x*y' is not an identifier vals = Quantity.extract('x*y = 1 m/s') assert str(vals['x*y']) == '1 m/s' # this used to be an ValueError because 'in' is a python keyword vals = Quantity.extract('in = 1mA') assert str(vals['in']) == '1 mA' with pytest.raises(ValueError) as exception: Quantity('x\ny = z') assert str(exception.value) == 'z: not a valid number.' assert isinstance(exception.value, InvalidNumber) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, ValueError) assert exception.value.args == ('z', ) Quantity.set_prefs(label_fmt='{x}') with pytest.raises(KeyError) as exception: '{:S}'.format(Quantity('f = 1kHz')) assert str(exception.value) == 'x: unknown format key.' assert isinstance(exception.value, UnknownFormatKey) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, KeyError) assert exception.value.args == ('x', ) Quantity.set_prefs(label_fmt_full='{n} = {v} # {d}', label_fmt='{n} = {v}', show_desc=True) q1 = Quantity('10ns', name='trise') q2 = Quantity('10ns', name='trise', desc='rise time') assert '{:G}'.format(q1) == 'trise = 1e-08' assert '{:G}'.format(q2) == 'trise = 1e-08 # rise time' q3 = Quantity('10cm', name='foo') q4 = Quantity('10%', name='bar', desc='buzz') assert '{:G}'.format(q3) == 'foo = 0.1' assert '{:G}'.format(q4) == 'bar = 10 # buzz' assert '{:S}'.format(q4) == 'bar = 10% # buzz' class Derived(Quantity): pass Derived.set_prefs(prec=8) mu = Derived('mu0') assert mu.render() == '1.25663706 uH/m' Derived.set_prefs(prec=None) assert mu.render() == '1.2566 uH/m' q = Quantity('Tclk = 10ns -- clock period') assert q.render(show_label=True) == 'Tclk = 10 ns # clock period' q = Quantity('Tclk = 10ns') assert q.render(show_label=True) == 'Tclk = 10 ns' assert q.is_close(1e-8) is True assert q.is_close(1.001e-8) is False add_constant( Quantity('F_hy = 1420405751.786 Hz -- frequency of hydrogen line')) h_line = Quantity('F_hy') assert h_line.render( show_label=True) == 'F_hy = 1.4204 GHz # frequency of hydrogen line' h_line2 = Quantity(h_line, h_line) assert h_line2.render( show_label=True) == 'F_hy = 1.4204 GHz # frequency of hydrogen line' h_line3 = Quantity(1 * h_line, h_line) assert h_line3.render(show_label=True) == '1.4204 GHz' h_line4 = Quantity(1420405751.786, 'F_hy Hz frequency of hydrogen line') assert h_line4.render( show_label=True) == 'F_hy = 1.4204 GHz # frequency of hydrogen line' size = Quantity('100k', 'B') assert size.render() == '100 kB' f1 = Quantity('1GHz') f2 = Quantity('1GOhms') assert f1.is_close(f1) is True assert f1.is_close(f2) is False assert f1.is_close(f1 + 1) is True assert f1.is_close(f1 + 1e6) is False p = Quantity('3_1_4_1.592_65_36mRads') assert p.render() == '3.1416 Rads' Quantity.set_prefs(known_units='au pc') d1 = Quantity('1 au') d2 = Quantity('1000 pc') assert d1.render(form='eng') == '1 au' assert d2.render() == '1 kpc' p = Quantity.get_pref(name='known_units') assert ' '.join(p) == 'au pc' if sys.version_info.major == 3: class Foo(Quantity): pass t = Foo('1us') assert Foo.get_pref('map_sf') == {} assert Quantity.get_pref('map_sf') == {} Foo.set_prefs(map_sf=Foo.map_sf_to_greek) assert t.render() == '1 µs' assert Foo.get_pref('map_sf') == Foo.map_sf_to_greek assert Quantity.get_pref('map_sf') == {} Foo.set_prefs(map_sf=Quantity.map_sf_to_sci_notation) assert t.render(form='eng') == '1×10⁻⁶ s' assert t.render(form='si') == '1 µs' assert Foo.get_pref('map_sf') == Foo.map_sf_to_sci_notation assert Quantity.get_pref('map_sf') == {} Quantity.set_prefs(label_fmt_full='{V:<18} # {d}', label_fmt='{n} = {v}', show_desc=True) T = Quantity('T = 300K -- ambient temperature', ignore_sf=True) k = Quantity('k') q = Quantity('q') Vt = Quantity(k * T / q, 'Vt V thermal voltage') result = '{:S}\n{:S}\n{:S}\n{:S}'.format(T, k, q, Vt) expected = dedent(""" T = 300 K # ambient temperature k = 13.806e-24 J/K # Boltzmann's constant q = 160.22e-21 C # elementary charge Vt = 25.852 mV # thermal voltage """).strip() assert result == expected result = '{:Q}\n{:R}\n{:E}\n{:G}'.format(T, k, q, Vt) expected = dedent(""" T = 300 K # ambient temperature k = 13.806e-24 # Boltzmann's constant q = 1.6022e-19 # elementary charge Vt = 0.025852 # thermal voltage """).strip() assert result == expected Quantity.set_prefs(label_fmt_full='{V:<18} # {d}', label_fmt='{n}: {v}', show_desc=True) result = '{:S}\n{:S}\n{:S}\n{:S}'.format(T, k, q, Vt) expected = dedent(""" T: 300 K # ambient temperature k: 13.806e-24 J/K # Boltzmann's constant q: 160.22e-21 C # elementary charge Vt: 25.852 mV # thermal voltage """).strip() assert result == expected processed = Quantity.all_from_conv_fmt('1420405751.786Hz', form='si') assert processed == '1.4204 GHz' processed = Quantity.all_from_conv_fmt('1.420405751786e9Hz', form='si') assert processed == '1.4204 GHz' processed = Quantity.all_from_si_fmt('1420.405751786MHz', form='eng') assert processed == '1.4204e9 Hz' processed = Quantity.all_from_si_fmt('1420405751.786_Hz', form='eng') assert processed == '1.4204e9 Hz' if sys.version_info.major == 3: # spacer is non-breaking space processed = Quantity.all_from_conv_fmt('1420405751.786 Hz', form='si') assert processed == '1.4204 GHz' q = Quantity('3.45e6 m·s⁻²') assert q.render() == '3.45 Mm·s⁻²' q = Quantity('accel = 3.45e6 m·s⁻² -- acceleration') assert q.render() == '3.45 Mm·s⁻²' processed = Quantity.all_from_si_fmt('0s', form='si') assert processed == '0 s' # test input_sf Quantity.set_prefs(input_sf='GMk', unity_sf='_', spacer='') assert Quantity('10m').render(form='eng') == '10_m' Quantity.set_prefs(input_sf=None, unity_sf='_') assert Quantity('10m').render(form='eng') == '10e-3' with pytest.raises(ValueError) as exception: Quantity.set_prefs(input_sf='GMkwq', unity_sf='_', spacer='') assert str(exception.value) == 'q, w: unknown scale factors.' assert isinstance(exception.value, UnknownScaleFactor) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, ValueError) assert exception.value.args == ('q', 'w') assert repr(exception.value) == "UnknownScaleFactor('q', 'w')" exception.value.render('{}, {}: unknown') == 'q, w: unknown' Quantity.set_prefs(input_sf=None, unity_sf=None, spacer=None) assert Quantity('10m').render(form='eng') == '10e-3' Quantity.input_sf = 'GMkwq' with pytest.raises(ValueError) as exception: Quantity('10m') assert str(exception.value) == 'q, w: unknown scale factors.' assert isinstance(exception.value, UnknownScaleFactor) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, ValueError) assert exception.value.args == ('q', 'w') assert repr(exception.value) == "UnknownScaleFactor('q', 'w')" exception.value.render('{}, {}: unknown') == 'q, w: unknown' del Quantity.input_sf # test map_sf if sys.version_info.major == 3: Quantity.set_prefs(map_sf=Quantity.map_sf_to_greek) assert Quantity('10e-6 m').render() == '10 µm' Quantity.set_prefs(map_sf=Quantity.map_sf_to_sci_notation) assert Quantity('10e-6 m').render() == '10 µm' assert Quantity('10e-6 m').render(form='eng') == '10×10⁻⁶ m' Quantity.set_prefs(map_sf=None) sf_map = { 'u': ' PPM', 'n': ' PPB', 'p': ' PPT', 'f': ' PPQ', } with Quantity.prefs(map_sf=sf_map): assert Quantity('10e-6').render() == '10 PPM' assert Quantity('1e-7').render() == '100 PPB' assert Quantity('1e-12').render() == '1 PPT' assert Quantity('1e-13').render() == '100 PPQ' # test set_prefs error handling with pytest.raises(KeyError) as exception: Quantity.set_prefs(fuzz=True) assert exception.value.args[0] == 'fuzz' with pytest.raises(KeyError) as exception: fuzz = Quantity.get_pref('fuzz') assert str(exception.value) == 'fuzz: unknown preference.' assert isinstance(exception.value, UnknownPreference) assert isinstance(exception.value, QuantiPhyError) assert isinstance(exception.value, KeyError) assert exception.value.args == ('fuzz', ) c = Quantity('c') Quantity.set_prefs(label_fmt=None, label_fmt_full=None) Quantity.set_prefs(show_label=False, show_desc=False) assert str(c) == '299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c = 299.79 Mm/s' assert c.render() == '299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c = 299.79 Mm/s' assert c.render(show_label='f') == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c = 299.79 Mm/s' Quantity.set_prefs(show_label=True) assert str(c) == 'c = 299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c = 299.79 Mm/s' assert c.render() == 'c = 299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c = 299.79 Mm/s' assert c.render(show_label='f') == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c = 299.79 Mm/s' Quantity.set_prefs(show_label='f') assert str(c) == 'c = 299.79 Mm/s -- speed of light' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c = 299.79 Mm/s -- speed of light' assert c.render() == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label='f') == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c = 299.79 Mm/s' Quantity.set_prefs(label_fmt='{n}: {v}', label_fmt_full='{n}: {v} -- {d}') Quantity.set_prefs(show_label=False, show_desc=False) assert str(c) == '299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s' assert c.render() == '299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s' assert c.render(show_label='f') == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(show_label=True) assert str(c) == 'c: 299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s' assert c.render() == 'c: 299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s' assert c.render(show_label='f') == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(show_label='f') assert str(c) == 'c: 299.79 Mm/s -- speed of light' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s -- speed of light' assert c.render() == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label='f') == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(label_fmt='{n}: {v}', label_fmt_full='{V} // {d}') Quantity.set_prefs(show_label=False, show_desc=True) assert str(c) == '299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s // speed of light' assert c.render() == '299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='f') == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(show_label=True) assert str(c) == 'c: 299.79 Mm/s // speed of light' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s // speed of light' assert c.render() == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='f') == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(show_label='f') assert str(c) == 'c: 299.79 Mm/s // speed of light' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s // speed of light' assert c.render() == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='f') == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s'
def test_misc(): Quantity.set_prefs(spacer=None, show_label=None, label_fmt=None, label_fmt_full=None) q = Quantity(1420405751.786, 'Hz') assert q.render(show_si=False, show_units=False) == '1.4204e9' t = Quantity('1420405751.786 Hz').as_tuple() assert t == (1420405751.786, 'Hz') t = Quantity('1420405751.786 Hz').render(show_si=True, show_units=True, prec='full') assert t == '1.420405751786 GHz' s = Quantity('1420405751.786 Hz').render(show_si=False, show_units=True, prec='full') assert s == '1.420405751786e9 Hz' f = float(Quantity('1420405751.786 Hz')) assert f == 1420405751.786 t = Quantity('1420405751.786 Hz').render(show_si=True, show_units=False) assert t == '1.4204G' s = Quantity('1420405751.786 Hz').render(show_si=False, show_units=False) assert s == '1.4204e9' s = Quantity(1420405751.786, 'Hz').render(show_si=False, show_units=False, prec='full') assert s == '1.420405751786e9' f = Quantity('14204.05751786MHz').render(show_si=True, show_units=False, prec='full') assert f == '14.20405751786G' q = Quantity('1420405751.786 Hz', units='HZ').render() assert q == '1.4204 GHZ' q = Quantity('1420405751.786 Hz') assert q.is_nan() == False q = Quantity('1420405751.786 Hz') assert q.is_infinite() == False q = Quantity('NaN Hz') assert q.is_nan() == True q = Quantity('NaN Hz') assert q.is_infinite() == False q = Quantity('inf Hz') assert q.is_nan() == False q = Quantity('inf Hz') assert q.is_infinite() == True # check the various formats for assignment recognition q = Quantity('f_hy = 1420405751.786 Hz -- frequency of hydrogen line') assert q.render( show_label='f') == 'f_hy = 1.4204 GHz -- frequency of hydrogen line' assert q.name == 'f_hy' assert q.desc == 'frequency of hydrogen line' q = Quantity('f_hy: 1420405751.786 Hz # frequency of hydrogen line') assert q.render( show_label='f') == 'f_hy = 1.4204 GHz -- frequency of hydrogen line' assert q.name == 'f_hy' assert q.desc == 'frequency of hydrogen line' q = Quantity('f_hy = 1420405751.786 Hz // frequency of hydrogen line') assert q.render( show_label='f') == 'f_hy = 1.4204 GHz -- frequency of hydrogen line' assert q.name == 'f_hy' assert q.desc == 'frequency of hydrogen line' q = Quantity('f_hy = 1420405751.786 Hz') assert q.render(show_label='f') == 'f_hy = 1.4204 GHz' assert q.name == 'f_hy' assert q.desc == '' q = Quantity('1420405751.786 Hz // frequency of hydrogen line') assert q.render(show_label='f') == '1.4204 GHz' assert q.name == '' assert q.desc == 'frequency of hydrogen line' q = Quantity('1420405751.786 Hz') assert q.render(show_label='f') == '1.4204 GHz' assert q.name == '' assert q.desc == '' class Foo(Quantity): pass Foo.set_prefs(assign_rec=r'(?P<name>\w+)\s*=\s*(?P<val>.*)') q = Foo('seven = 7') assert q.name == 'seven' assert str(q) == '7' with pytest.raises(ValueError): q = Foo('%') with pytest.raises(KeyError): Foo.set_prefs(assign_rec=r'(\w+)\s*=\s*(.*)') # no named groups Foo('seven = 7') assert Foo.get_pref('prec') == 4 assert Foo.get_pref('full_prec') == 12 with Foo.prefs(prec=5, full_prec=13): assert Foo.get_pref('prec') == 5 assert Foo.get_pref('full_prec') == 13 with Foo.prefs(prec=6, full_prec=14): assert Foo.get_pref('prec') == 6 assert Foo.get_pref('full_prec') == 14 assert Foo.get_pref('prec') == 5 assert Foo.get_pref('full_prec') == 13 assert Foo.get_pref('prec') == 4 assert Foo.get_pref('full_prec') == 12 q = Quantity('1.8_V') assert q.render(prec='full') == '1.8 V' with pytest.raises(ValueError): q = Quantity('x*y = z') with pytest.raises(ValueError): Quantity.extract('1ns') # this used to be an ValueError because 'x*y' is not an identifier vals = Quantity.extract('x*y = 1 m/s') assert str(vals['x*y']) == '1 m/s' # this used to be an ValueError because 'in' is a python keyword vals = Quantity.extract('in = 1mA') assert str(vals['in']) == '1 mA' with pytest.raises(ValueError): Quantity('x\ny = z') Quantity.set_prefs(label_fmt='{x}') with pytest.raises(KeyError): '{:S}'.format(Quantity('f = 1kHz')) Quantity.set_prefs(label_fmt_full='{n} = {v} # {d}', label_fmt='{n} = {v}', show_desc=True) q1 = Quantity('10ns', name='trise') q2 = Quantity('10ns', name='trise', desc='rise time') assert '{:G}'.format(q1) == 'trise = 1e-08' assert '{:G}'.format(q2) == 'trise = 1e-08 # rise time' q3 = Quantity('10cm', name='foo') q4 = Quantity('10%', name='bar', desc='buzz') assert '{:G}'.format(q3) == 'foo = 0.1' assert '{:G}'.format(q4) == 'bar = 10 # buzz' assert '{:S}'.format(q4) == 'bar = 10 % # buzz' class Derived(Quantity): pass Derived.set_prefs(prec=8) mu = Derived('mu0') assert mu.render() == '1.25663706 uH/m' Derived.set_prefs(prec=None) assert mu.render() == '1.2566 uH/m' q = Quantity('Tclk = 10ns -- clock period') assert q.render(show_label=True) == 'Tclk = 10 ns # clock period' q = Quantity('Tclk = 10ns') assert q.render(show_label=True) == 'Tclk = 10 ns' assert q.is_close(1e-8) is True assert q.is_close(1.001e-8) is False add_constant( Quantity('F_hy = 1420405751.786 Hz -- frequency of hydrogen line')) h_line = Quantity('F_hy') assert h_line.render( show_label=True) == 'F_hy = 1.4204 GHz # frequency of hydrogen line' h_line2 = Quantity(h_line, h_line) assert h_line2.render( show_label=True) == 'F_hy = 1.4204 GHz # frequency of hydrogen line' h_line3 = Quantity(1 * h_line, h_line) assert h_line3.render(show_label=True) == '1.4204 GHz' h_line4 = Quantity(1420405751.786, 'F_hy Hz frequency of hydrogen line') assert h_line4.render( show_label=True) == 'F_hy = 1.4204 GHz # frequency of hydrogen line' size = Quantity('100k', 'B') assert size.render() == '100 kB' f1 = Quantity('1GHz') f2 = Quantity('1GOhms') assert f1.is_close(f1) == True assert f1.is_close(f2) == False assert f1.is_close(f1 + 1) == True assert f1.is_close(f1 + 1e6) == False p = Quantity('3_1_4_1.592_65_36mRads') assert p.render() == '3.1416 Rads' Quantity.set_prefs(known_units='au pc') d1 = Quantity('1 au') d2 = Quantity('1000 pc') assert d1.render(show_si=False) == '1 au' assert d2.render() == '1 kpc' p = Quantity.get_pref(name='known_units') assert ' '.join(p) == 'au pc' if sys.version_info.major == 3: class Foo(Quantity): pass t = Foo('1us') assert Foo.get_pref('map_sf') == {} assert Quantity.get_pref('map_sf') == {} Foo.set_prefs(map_sf=Foo.map_sf_to_greek) assert t.render() == '1 μs' assert Foo.get_pref('map_sf') == Foo.map_sf_to_greek assert Quantity.get_pref('map_sf') == {} Foo.set_prefs(map_sf=Quantity.map_sf_to_sci_notation) assert t.render(show_si=False) == '1×10⁻⁶ s' assert Foo.get_pref('map_sf') == Foo.map_sf_to_sci_notation assert Quantity.get_pref('map_sf') == {} Quantity.set_prefs(label_fmt_full='{V:<18} # {d}', label_fmt='{n} = {v}', show_desc=True) T = Quantity('T = 300K -- ambient temperature', ignore_sf=True) k = Quantity('k') q = Quantity('q') Vt = Quantity(k * T / q, 'Vt V thermal voltage') result = '{:S}\n{:S}\n{:S}\n{:S}'.format(T, k, q, Vt) expected = dedent(""" T = 300 K # ambient temperature k = 13.806e-24 J/K # Boltzmann's constant q = 160.22e-21 C # elementary charge Vt = 25.852 mV # thermal voltage """).strip() assert result == expected result = '{:Q}\n{:R}\n{:E}\n{:G}'.format(T, k, q, Vt) expected = dedent(""" T = 300 K # ambient temperature k = 13.806e-24 # Boltzmann's constant q = 1.6022e-19 # elementary charge Vt = 0.025852 # thermal voltage """).strip() assert result == expected Quantity.set_prefs(label_fmt_full='{V:<18} # {d}', label_fmt='{n}: {v}', show_desc=True) result = '{:S}\n{:S}\n{:S}\n{:S}'.format(T, k, q, Vt) expected = dedent(""" T: 300 K # ambient temperature k: 13.806e-24 J/K # Boltzmann's constant q: 160.22e-21 C # elementary charge Vt: 25.852 mV # thermal voltage """).strip() assert result == expected processed = Quantity.all_from_conv_fmt('1420405751.786Hz', show_si=True) assert processed == '1.4204 GHz' processed = Quantity.all_from_conv_fmt('1.420405751786e9Hz', show_si=True) assert processed == '1.4204 GHz' processed = Quantity.all_from_si_fmt('1420.405751786MHz', show_si=False) assert processed == '1.4204e9 Hz' processed = Quantity.all_from_si_fmt('1420405751.786_Hz', show_si=False) assert processed == '1.4204e9 Hz' if sys.version_info.major == 3: # spacer is non-breaking space processed = Quantity.all_from_conv_fmt('1420405751.786 Hz', show_si=True) assert processed == '1.4204 GHz' q = Quantity('3.45e6 m·s⁻²') assert q.render() == '3.45 Mm·s⁻²' q = Quantity('accel = 3.45e6 m·s⁻² -- acceleration') assert q.render() == '3.45 Mm·s⁻²' processed = Quantity.all_from_si_fmt('0s', show_si=True) assert processed == '0 s' # test input_sf Quantity.set_prefs(input_sf='GMk', unity_sf='_', spacer='') assert Quantity('10m').render(show_si=False) == '10_m' Quantity.set_prefs(input_sf=None, unity_sf='_') assert Quantity('10m').render(show_si=False) == '10e-3' with pytest.raises(ValueError): Quantity.set_prefs(input_sf='GMkwq', unity_sf='_', spacer='') Quantity.set_prefs(input_sf=None, unity_sf=None, spacer=None) # test map_sf if sys.version_info.major == 3: Quantity.set_prefs(map_sf=Quantity.map_sf_to_greek) assert Quantity('10e-6 m').render() == '10 μm' Quantity.set_prefs(map_sf=Quantity.map_sf_to_sci_notation) assert Quantity('10e-6 m').render() == '10 μm' assert Quantity('10e-6 m').render(show_si=False) == '10×10⁻⁶ m' Quantity.set_prefs(map_sf=None) sf_map = { 'u': ' PPM', 'n': ' PPB', 'p': ' PPT', 'f': ' PPQ', } with Quantity.prefs(map_sf=sf_map): assert Quantity('10e-6').render() == '10 PPM' assert Quantity('1e-7').render() == '100 PPB' assert Quantity('1e-12').render() == '1 PPT' assert Quantity('1e-13').render() == '100 PPQ' # test set_prefs error handling with pytest.raises(KeyError): Quantity.set_prefs(fuzz=True) with pytest.raises(KeyError): fuzz = Quantity.get_pref('fuzz') c = Quantity('c') Quantity.set_prefs(label_fmt=None, label_fmt_full=None) Quantity.set_prefs(show_label=False, show_desc=False) assert str(c) == '299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c = 299.79 Mm/s' assert c.render() == '299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c = 299.79 Mm/s' assert c.render(show_label='f') == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c = 299.79 Mm/s' Quantity.set_prefs(show_label=True) assert str(c) == 'c = 299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c = 299.79 Mm/s' assert c.render() == 'c = 299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c = 299.79 Mm/s' assert c.render(show_label='f') == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c = 299.79 Mm/s' Quantity.set_prefs(show_label='f') assert str(c) == 'c = 299.79 Mm/s -- speed of light' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c = 299.79 Mm/s' assert c.render() == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c = 299.79 Mm/s' assert c.render(show_label='f') == 'c = 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c = 299.79 Mm/s' Quantity.set_prefs(label_fmt='{n}: {v}', label_fmt_full='{n}: {v} -- {d}') Quantity.set_prefs(show_label=False, show_desc=False) assert str(c) == '299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s' assert c.render() == '299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s' assert c.render(show_label='f') == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(show_label=True) assert str(c) == 'c: 299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s' assert c.render() == 'c: 299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s' assert c.render(show_label='f') == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(show_label='f') assert str(c) == 'c: 299.79 Mm/s -- speed of light' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s' assert c.render() == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s' assert c.render(show_label='f') == 'c: 299.79 Mm/s -- speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(label_fmt='{n}: {v}', label_fmt_full='{V} // {d}') Quantity.set_prefs(show_label=False, show_desc=True) assert str(c) == '299.79 Mm/s' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s // speed of light' assert c.render() == '299.79 Mm/s' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='f') == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(show_label=True) assert str(c) == 'c: 299.79 Mm/s // speed of light' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s // speed of light' assert c.render() == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='f') == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' Quantity.set_prefs(show_label='f') assert str(c) == 'c: 299.79 Mm/s // speed of light' assert '{:s}'.format(c) == '299.79 Mm/s' assert '{:S}'.format(c) == 'c: 299.79 Mm/s // speed of light' assert c.render() == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label=False) == '299.79 Mm/s' assert c.render(show_label=True) == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='f') == 'c: 299.79 Mm/s // speed of light' assert c.render(show_label='a') == 'c: 299.79 Mm/s' mvi_raw_conv = ''' Status @ 0.00000000e+00s: Tests started for mylib.sh:MiM. Assertion successfully detects expected fault @ 1.00013334e-04s in sh_tb.REF (sh): 'V(cm)' out of range. Assertion successfully detects expected fault @ 1.00123334e-04s in sh_tb.REF (sh): 'V(cm)' out of range. Status @ 2.00500000e-04s: in_val = 5.000000e-01. Pass @ 3.00500000e-04s: V(out) voltage: expected=2.00000000e+00V, measured=1.99999965e+00V, diff=3.46117130e-07V. Status @ 3.00500000e-04s: in_val = 7.500000e-01. Pass @ 4.00500000e-04s: V(out) voltage: expected=1.75000000e+00V, measured=1.74999966e+00V, diff=3.41027651e-07V. Status @ 4.00500000e-04s: in_val = 1.000000e+00. Pass @ 5.00500000e-04s: V(out) voltage: expected=1.50000000e+00V, measured=1.49999944e+00V, diff=5.55270307e-07V. Status @ 5.00500000e-04s: in_val = 1.250000e+00. Pass @ 6.00500000e-04s: V(out) voltage: expected=1.25000000e+00V, measured=1.25000000e+00V, diff=1.26565425e-14V. Status @ 6.00500000e-04s: in_val = 1.500000e+00. Pass @ 7.00500000e-04s: V(out) voltage: expected=1.00000000e+00V, measured=9.99999924e-01V, diff=7.59200380e-08V. Status @ 7.00500000e-04s: in_val = 1.750000e+00. Pass @ 8.00500000e-04s: V(out) voltage: expected=7.50000000e-01V, measured=7.50017054e-01V, diff=1.70539238e-05V. Status @ 8.00500000e-04s: in_val = 2.000000e+00. FAIL @ 9.00500000e-04s: V(out) voltage: expected=5.00000000e-01V, measured=5.48562457e-01V, diff=4.85624570e-02V. Summary @ 9.00510000e-04s: 7 tests run, 1 failures detected, 0 faults detected, 0 test sequences skipped. ''' mvi_raw_si = ''' Status @ 0s: Tests started for mylib.sh:MiM. Assertion successfully detects expected fault @ 100.013334us in sh_tb.REF (sh): 'V(cm)' out of range. Assertion successfully detects expected fault @ 100.123334us in sh_tb.REF (sh): 'V(cm)' out of range. Status @ 200.5us: in_val = 500m. Pass @ 300.5us: V(out) voltage: expected=2V, measured=1.99999965V, diff=346.11713nV. Status @ 300.5us: in_val = 750m. Pass @ 400.5us: V(out) voltage: expected=1.75V, measured=1.74999966V, diff=341.027651nV. Status @ 400.5us: in_val = 1. Pass @ 500.5us: V(out) voltage: expected=1.5V, measured=1.49999944V, diff=555.270307nV. Status @ 500.5us: in_val = 1.25. Pass @ 600.5us: V(out) voltage: expected=1.25V, measured=1.25V, diff=12.6565425fV. Status @ 600.5us: in_val = 1.5. Pass @ 700.5us: V(out) voltage: expected=1V, measured=999.999924mV, diff=75.920038nV. Status @ 700.5us: in_val = 1.75. Pass @ 800.5us: V(out) voltage: expected=750mV, measured=750.017054mV, diff=17.0539238uV. Status @ 800.5us: in_val = 2. FAIL @ 900.5us: V(out) voltage: expected=500mV, measured=548.562457mV, diff=48.562457mV. Summary @ 900.51us: 7 tests run, 1 failures detected, 0 faults detected, 0 test sequences skipped. ''' mvi_conv = ''' Status @ 0 s: Tests started for mylib.sh:MiM. Assertion successfully detects expected fault @ 100.01e-6 s in sh_tb.REF (sh): 'V(cm)' out of range. Assertion successfully detects expected fault @ 100.12e-6 s in sh_tb.REF (sh): 'V(cm)' out of range. Status @ 200.5e-6 s: in_val = 500e-3. Pass @ 300.5e-6 s: V(out) voltage: expected=2 V, measured=2 V, diff=346.12e-9 V. Status @ 300.5e-6 s: in_val = 750e-3. Pass @ 400.5e-6 s: V(out) voltage: expected=1.75 V, measured=1.75 V, diff=341.03e-9 V. Status @ 400.5e-6 s: in_val = 1. Pass @ 500.5e-6 s: V(out) voltage: expected=1.5 V, measured=1.5 V, diff=555.27e-9 V. Status @ 500.5e-6 s: in_val = 1.25. Pass @ 600.5e-6 s: V(out) voltage: expected=1.25 V, measured=1.25 V, diff=12.657e-15 V. Status @ 600.5e-6 s: in_val = 1.5. Pass @ 700.5e-6 s: V(out) voltage: expected=1 V, measured=1 V, diff=75.92e-9 V. Status @ 700.5e-6 s: in_val = 1.75. Pass @ 800.5e-6 s: V(out) voltage: expected=750e-3 V, measured=750.02e-3 V, diff=17.054e-6 V. Status @ 800.5e-6 s: in_val = 2. FAIL @ 900.5e-6 s: V(out) voltage: expected=500e-3 V, measured=548.56e-3 V, diff=48.562e-3 V. Summary @ 900.51e-6 s: 7 tests run, 1 failures detected, 0 faults detected, 0 test sequences skipped. ''' mvi_conv_full = ''' Status @ 0 s: Tests started for mylib.sh:MiM. Assertion successfully detects expected fault @ 100.013334e-6 s in sh_tb.REF (sh): 'V(cm)' out of range. Assertion successfully detects expected fault @ 100.123334e-6 s in sh_tb.REF (sh): 'V(cm)' out of range. Status @ 200.5e-6 s: in_val = 500e-3. Pass @ 300.5e-6 s: V(out) voltage: expected=2 V, measured=1.99999965 V, diff=346.11713e-9 V. Status @ 300.5e-6 s: in_val = 750e-3. Pass @ 400.5e-6 s: V(out) voltage: expected=1.75 V, measured=1.74999966 V, diff=341.027651e-9 V. Status @ 400.5e-6 s: in_val = 1. Pass @ 500.5e-6 s: V(out) voltage: expected=1.5 V, measured=1.49999944 V, diff=555.270307e-9 V. Status @ 500.5e-6 s: in_val = 1.25. Pass @ 600.5e-6 s: V(out) voltage: expected=1.25 V, measured=1.25 V, diff=12.6565425e-15 V. Status @ 600.5e-6 s: in_val = 1.5. Pass @ 700.5e-6 s: V(out) voltage: expected=1 V, measured=999.999924e-3 V, diff=75.920038e-9 V. Status @ 700.5e-6 s: in_val = 1.75. Pass @ 800.5e-6 s: V(out) voltage: expected=750e-3 V, measured=750.017054e-3 V, diff=17.0539238e-6 V. Status @ 800.5e-6 s: in_val = 2. FAIL @ 900.5e-6 s: V(out) voltage: expected=500e-3 V, measured=548.562457e-3 V, diff=48.562457e-3 V. Summary @ 900.51e-6 s: 7 tests run, 1 failures detected, 0 faults detected, 0 test sequences skipped. ''' mvi_si = ''' Status @ 0 s: Tests started for mylib.sh:MiM. Assertion successfully detects expected fault @ 100.01 us in sh_tb.REF (sh): 'V(cm)' out of range. Assertion successfully detects expected fault @ 100.12 us in sh_tb.REF (sh): 'V(cm)' out of range. Status @ 200.5 us: in_val = 500m. Pass @ 300.5 us: V(out) voltage: expected=2 V, measured=2 V, diff=346.12 nV. Status @ 300.5 us: in_val = 750m. Pass @ 400.5 us: V(out) voltage: expected=1.75 V, measured=1.75 V, diff=341.03 nV. Status @ 400.5 us: in_val = 1. Pass @ 500.5 us: V(out) voltage: expected=1.5 V, measured=1.5 V, diff=555.27 nV. Status @ 500.5 us: in_val = 1.25. Pass @ 600.5 us: V(out) voltage: expected=1.25 V, measured=1.25 V, diff=12.657 fV. Status @ 600.5 us: in_val = 1.5. Pass @ 700.5 us: V(out) voltage: expected=1 V, measured=1 V, diff=75.92 nV. Status @ 700.5 us: in_val = 1.75. Pass @ 800.5 us: V(out) voltage: expected=750 mV, measured=750.02 mV, diff=17.054 uV. Status @ 800.5 us: in_val = 2. FAIL @ 900.5 us: V(out) voltage: expected=500 mV, measured=548.56 mV, diff=48.562 mV. Summary @ 900.51 us: 7 tests run, 1 failures detected, 0 faults detected, 0 test sequences skipped. ''' mvi_si_full = ''' Status @ 0 s: Tests started for mylib.sh:MiM. Assertion successfully detects expected fault @ 100.013334 us in sh_tb.REF (sh): 'V(cm)' out of range. Assertion successfully detects expected fault @ 100.123334 us in sh_tb.REF (sh): 'V(cm)' out of range. Status @ 200.5 us: in_val = 500m. Pass @ 300.5 us: V(out) voltage: expected=2 V, measured=1.99999965 V, diff=346.11713 nV. Status @ 300.5 us: in_val = 750m. Pass @ 400.5 us: V(out) voltage: expected=1.75 V, measured=1.74999966 V, diff=341.027651 nV. Status @ 400.5 us: in_val = 1. Pass @ 500.5 us: V(out) voltage: expected=1.5 V, measured=1.49999944 V, diff=555.270307 nV. Status @ 500.5 us: in_val = 1.25. Pass @ 600.5 us: V(out) voltage: expected=1.25 V, measured=1.25 V, diff=12.6565425 fV. Status @ 600.5 us: in_val = 1.5. Pass @ 700.5 us: V(out) voltage: expected=1 V, measured=999.999924 mV, diff=75.920038 nV. Status @ 700.5 us: in_val = 1.75. Pass @ 800.5 us: V(out) voltage: expected=750 mV, measured=750.017054 mV, diff=17.0539238 uV. Status @ 800.5 us: in_val = 2. FAIL @ 900.5 us: V(out) voltage: expected=500 mV, measured=548.562457 mV, diff=48.562457 mV. Summary @ 900.51 us: 7 tests run, 1 failures detected, 0 faults detected, 0 test sequences skipped. ''' processed = Quantity.all_from_conv_fmt(mvi_raw_conv, show_si=True) assert processed == mvi_si processed = Quantity.all_from_conv_fmt(mvi_raw_conv, show_si=False) assert processed == mvi_conv processed = Quantity.all_from_conv_fmt(mvi_raw_conv, show_si=True, prec='full') assert processed == mvi_si_full processed = Quantity.all_from_conv_fmt(mvi_raw_conv, show_si=False, prec='full') assert processed == mvi_conv_full processed = Quantity.all_from_si_fmt(mvi_raw_si, show_si=True) assert processed == mvi_si processed = Quantity.all_from_si_fmt(mvi_raw_si, show_si=False) assert processed == mvi_conv processed = Quantity.all_from_si_fmt(mvi_raw_si, show_si=True, prec='full') assert processed == mvi_si_full processed = Quantity.all_from_si_fmt(mvi_raw_si, show_si=False, prec='full') assert processed == mvi_conv_full processed = Quantity.all_from_si_fmt( '1420.40575MHz+1420.40575MHz+1420.40575MHz', show_si=True) assert processed == '1.4204 GHz+1.4204 GHz+1.4204 GHz' processed = Quantity.all_from_si_fmt( '1420.40575MHz+abc+1420.40575MHz+abc+1420.40575MHz', show_si=True) assert processed == '1.4204 GHz+abc+1.4204 GHz+abc+1.4204 GHz' processed = Quantity.all_from_si_fmt('1420.40575e+6+1420.40575e+6', show_si=True) assert processed == '1420.40575e+6+1420.40575e+6'
def test_temperature(): Quantity.reset_prefs() with Quantity.prefs( spacer=None, show_label=None, label_fmt=None, label_fmt_full=None, ignore_sf=True ): q=Quantity('100 °C') assert q.render() == '100 °C' assert q.render(scale='C') == '100 C' assert q.render(scale='°C') == '100 °C' assert q.render(scale='K') == '373.15 K' assert q.render(scale='°F') == '212 °F' assert q.render(scale='F') == '212 F' assert q.render(scale='°R') == '671.67 °R' assert q.render(scale='R') == '671.67 R' q=Quantity('100 C') assert q.render() == '100 C' assert q.render(scale='C') == '100 C' assert q.render(scale='K') == '373.15 K' assert q.render(scale='F') == '212 F' assert q.render(scale='R') == '671.67 R' assert q.render(scale='°C') == '100 °C' assert q.render(scale='°F') == '212 °F' assert q.render(scale='°R') == '671.67 °R' q=Quantity('373.15 K') assert q.render() == '373.15 K' assert q.render(scale='C') == '100 C' assert q.render(scale='K') == '373.15 K' assert q.render(scale='F') == '212 F' assert q.render(scale='R') == '671.67 R' assert q.render(scale='°C') == '100 °C' assert q.render(scale='°F') == '212 °F' assert q.render(scale='°R') == '671.67 °R' q=Quantity('212 °F') assert q.render() == '212 °F' assert q.render(scale='°C') == '100 °C' assert q.render(scale='C') == '100 C' assert q.render(scale='K') == '373.15 K' assert q.render(scale='°F') == '212 °F' assert q.render(scale='F') == '212 F' #assert q.render(scale='°R') == '671.67 °R' #assert q.render(scale='R') == '671.67 R' q=Quantity('212 F') assert q.render() == '212 F' assert q.render(scale='C') == '100 C' assert q.render(scale='K') == '373.15 K' assert q.render(scale='°C') == '100 °C' assert q.render(scale='°F') == '212 °F' assert q.render(scale='F') == '212 F' #assert q.render(scale='°R') == '671.67 °R' #assert q.render(scale='R') == '671.67 R' q=Quantity('100 °C', scale='K') assert q.render() == '373.15 K' q=Quantity('212 °F', scale='K') assert q.render() == '373.15 K' q=Quantity('212 °F', scale='C') assert q.render() == '100 C' q=Quantity('212 F', scale='°C') assert q.render() == '100 °C' q=Quantity('491.67 R', scale='°C') assert q.is_close(Quantity('0 °C')) q=Quantity('491.67 R', scale='K') assert q.render() == '273.15 K'
def test_distance(): Quantity.reset_prefs() with Quantity.prefs( spacer=None, show_label=None, label_fmt=None, label_fmt_full=None, ignore_sf=False ): q=Quantity('1_m') assert q.render() == '1 m' assert q.render(scale='cm', form='eng') == '100 cm' assert q.render(scale='mm', form='eng') == '1e3 mm' assert q.render(scale='um', form='eng') == '1e6 um' assert q.render(scale='μm', form='eng') == '1e6 μm' assert q.render(scale='nm', form='eng') == '1e9 nm' assert q.render(scale='Å', form='eng') == '10e9 Å' assert q.render(scale='angstrom', form='eng') == '10e9 angstrom' assert q.render(scale='mi') == '621.37 umi' assert q.render(scale='mile') == '621.37 umile' assert q.render(scale='miles') == '621.37 umiles' assert q.render(scale='in') == '39.37 in' assert q.render(scale='inch') == '39.37 inch' assert q.render(scale='inches') == '39.37 inches' q=Quantity('1_m') assert q.render() == '1 m' q=Quantity('100cm', scale='m') assert q.render() == '1 m' q=Quantity('1cm', scale='m') assert q.render() == '10 mm' q=Quantity('1000mm', scale='m') assert q.render() == '1 m' q=Quantity('1mm', scale='m') assert q.render() == '1 mm' q=Quantity('1000000um', scale='m') assert q.render() == '1 m' q=Quantity('1um', scale='m') assert q.render() == '1 um' q=Quantity('1000000μm', scale='m') assert q.render() == '1 m' q=Quantity('1μm', scale='m') assert q.render() == '1 um' q=Quantity('1000000000nm', scale='m') assert q.render() == '1 m' q=Quantity('1nm', scale='m') assert q.render() == '1 nm' q=Quantity('10000000000Å', scale='m') assert q.render() == '1 m' q=Quantity('1Å', scale='m') assert q.render() == '100 pm' q=Quantity('1_mi', scale='m') assert q.render() == '1.6093 km' q=Quantity('1_mile', scale='m') assert q.render() == '1.6093 km' q=Quantity('1_miles', scale='m') assert q.render() == '1.6093 km' q=Quantity('d = 93 Mmiles -- average distance from Sun to Earth', scale='m') assert q.render() == '149.67 Gm'