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(form='eng', show_units=False) == '1.4204e9'
t = Quantity('1420405751.786 Hz').as_tuple()
assert t == (1420405751.786, 'Hz')
t = Quantity('1420405751.786 Hz').render(form='si',
show_units=True,
prec='full')
assert t == '1.420405751786 GHz'
s = Quantity('1420405751.786 Hz').render(form='eng',
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(form='si', show_units=False)
assert t == '1.4204G'
s = Quantity('1420405751.786 Hz').render(form='eng', show_units=False)
assert s == '1.4204e9'
s = Quantity(1420405751.786, 'Hz').render(form='eng',
show_units=False,
prec='full')
assert s == '1.420405751786e9'
f = Quantity('14204.05751786MHz').render(form='si',
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() is None
q = Quantity('1420405751.786 Hz')
assert q.is_infinite() is None
q = Quantity('NaN Hz')
assert q.is_nan() == 'NaN'
q = Quantity('NaN Hz')
q.nan = 'nan'
assert q.is_nan() == 'nan'
q = Quantity('NaN Hz')
assert q.is_infinite() is None
q = Quantity('inf Hz')
assert q.is_nan() is None
q = Quantity('inf Hz')
assert q.is_infinite() == 'inf'
q = Quantity('inf Hz')
q.inf = '∞'
assert q.is_infinite() == '∞'
q = Quantity('∞ Hz')
assert q.is_infinite() == 'inf'
q = Quantity('$∞')
assert q.is_infinite() == 'inf'
q = Quantity('∞Ω')
assert q.is_infinite() == 'inf'
# 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 == ''
if py3:
# check tight_units
q = Quantity('90°')
assert q.render() == '90°'
q = Quantity('80°F')
assert q.render() == '80 °F'
q = Quantity('80°F')
assert q.render() == '80 °F'
q.tight_units = '''' % ° ' " ′ ″ °F °C '''.split()
assert q.render() == '80°F'
def test_misc():
Quantity.reset_prefs()
Quantity.set_prefs(spacer=None,
show_label=None,
label_fmt=None,
label_fmt_full=None)
q = Quantity(1420405751.786, 'Hz')
assert q.render(form='eng', show_units=False) == '1.4204e9'
t = Quantity('1420405751.786 Hz').as_tuple()
assert t == (1420405751.786, 'Hz')
t = Quantity('1420405751.786 Hz').render(form='si',
show_units=True,
prec='full')
assert t == '1.420405751786 GHz'
s = Quantity('1420405751.786 Hz').render(form='eng',
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(form='si', show_units=False)
assert t == '1.4204G'
s = Quantity('1420405751.786 Hz').render(form='eng', show_units=False)
assert s == '1.4204e9'
s = Quantity(1420405751.786, 'Hz').render(form='eng',
show_units=False,
prec='full')
assert s == '1.420405751786e9'
f = Quantity('14204.05751786MHz').render(form='si',
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() is None
q = Quantity('1420405751.786 Hz')
assert q.is_infinite() is None
q = Quantity('NaN Hz')
assert q.is_nan() == 'NaN'
q = Quantity('NaN Hz')
q.nan = 'nan'
assert q.is_nan() == 'nan'
q = Quantity('NaN Hz')
assert q.is_infinite() is None
q = Quantity('inf Hz')
assert q.is_nan() is None
q = Quantity('inf Hz')
assert q.is_infinite() == 'inf'
q = Quantity('inf Hz')
q.inf = '∞'
assert q.is_infinite() == '∞'
q = Quantity('∞ Hz')
assert q.is_infinite() == 'inf'
q = Quantity('$∞')
assert q.is_infinite() == 'inf'
q = Quantity('∞Ω')
assert q.is_infinite() == 'inf'
# 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 == ''
# check some exceptions
with pytest.raises(ValueError) as exception:
q = Quantity('f_hy = 1420405751;786 Hz')
assert str(exception.value) == '1420405751;786 Hz: not a valid number.'
assert isinstance(exception.value, InvalidNumber)
assert isinstance(exception.value, QuantiPhyError)
assert isinstance(exception.value, ValueError)
assert exception.value.args == ('1420405751;786 Hz', )
# check some exceptions
with pytest.raises(ValueError) as exception:
q = Quantity('# nan')
assert str(exception.value) == '# nan: not a valid number.'
assert isinstance(exception.value, InvalidNumber)
assert isinstance(exception.value, QuantiPhyError)
assert isinstance(exception.value, ValueError)
assert exception.value.args == ('# nan', )
# check tight_units
q = Quantity('90°')
assert q.render() == '90°'
q = Quantity('80°F')
assert q.render() == '80 °F'
q = Quantity('80°F')
assert q.render() == '80 °F'
q.tight_units = '''' % ° ' " ′ ″ °F °C '''.split()
assert q.render() == '80°F'