def test_divisions_errors():
"""Check divisions exceptions."""
with pytest.raises(NotImplementedError) as excinfo:
Number(6, unit=Unit('cm', exponent=Number(2))) \
/ Number(6, unit=Unit('dm', exponent=Number(3)))
assert str(excinfo.value) == 'Cannot yet handle a ' \
'division of Number(\'6 cm^2\') ' \
'by Number(\'6 dm^3\').'
def test_printing():
"""Check printing."""
assert Unit('cm', exponent=2).uiprinted == 'cm^2'
assert Unit('cm', exponent=2).printed == r'\si{cm^{2}}'
assert str(Unit('cm')) == 'cm'
assert str(Unit('cm', exponent=2)) == 'cm^2'
required.package['eurosym'] = False
Unit(r'\officialeuro').printed
assert required.package['eurosym']
def test_Number_instanciation():
"""Check Number instanciations."""
assert Number(Number(4)).unit is None
assert Number(Number(4, unit='cm')).unit == Unit('cm')
assert Number(Number(4), unit='cm').unit == Unit('cm')
assert Number(Number(4, unit='dm'), unit='cm').unit == Unit('cm')
assert Number(4, unit='cm').unit == Unit('cm')
assert Number(Number(4, unit='dm'), unit=None).unit is None
assert Number(Number(4, unit='dm'), unit='undefined').unit == Unit('dm')
def test_physical_quantity():
"""Check physical_quantity()"""
assert physical_quantity('mm') == 'length'
assert physical_quantity('hL') == 'capacity'
assert physical_quantity('pg') == 'mass'
assert physical_quantity(Unit('pg')) == 'mass'
assert physical_quantity(Unit('mm', exponent=2)) == 'area'
assert physical_quantity(Unit('mm', exponent=3)) == 'volume'
assert physical_quantity('undefined') is None
assert physical_quantity(r'\officialeuro') == 'currency'
assert physical_quantity(r'\textdegree') == 'angle'
def test_multiplications_errors():
"""Check subtractions exceptions."""
with pytest.raises(TypeError) as excinfo:
8 * Sign('-')
assert str(excinfo.value) == 'Cannot multiply a Sign by a <class \'int\'>.'
with pytest.raises(NotImplementedError) as excinfo:
Number(6, unit=Unit('cm', exponent=Number(2))) \
* Number(6, unit=Unit('dm', exponent=Number(3)))
assert str(excinfo.value) == 'Cannot yet handle a ' \
'multiplication of Number(\'6 cm^2\') ' \
'by Number(\'6 dm^3\').'
def test_printing():
"""Check printing is correct."""
assert Number('8.6').printed == '8.6'
assert Number('8.60').printed == '8.60'
locale.setlocale(locale.LC_ALL, LOCALE_FR)
assert locale.str(Decimal('8.6')) == '8,6'
assert Number('8.6').printed == '8,6'
assert Number('8.6').uiprinted == '8.6'
assert Number('8.6').printed == '8,6'
assert Number('8.6', unit='cm').printed == r'\SI{8,6}{cm}'
locale.setlocale(locale.LC_ALL, LOCALE_US)
assert Number('8.6').imprint(start_expr=False) == '+8.6'
required.package['siunitx'] = False
n = Number('9', unit='cm')
assert n.printed == r'\SI{9}{cm}'
assert required.package['siunitx']
assert n.uiprinted == '9 cm'
assert str(n) == '9 cm'
n = Number('9')
assert str(n) == '9'
assert Number(60, unit=Unit('cm', exponent=Number(2))).uiprinted \
== '60 cm^2'
assert Number('3.6', unit='mL').quantize(Number('0.01')).printed \
== r'\SI{3.60}{mL}'
required.package['eurosym'] = False
assert Number('0.70', unit=r'\officialeuro').quantize(Number('0.01'))\
.printed == r'\SI{0.70}{\officialeuro}'
assert required.package['eurosym']
n = Number('38', unit=r'\textdegree')
assert n.printed == r'\ang{38}'
def test_AngleDecoration():
assert repr(AngleDecoration()) == 'AngleDecoration(variety=single; '\
'hatchmark=None; label=default; color=None; thickness=thick; '\
'radius=0.25 cm; eccentricity=2.6)'
ad = AngleDecoration(radius=Number(1, unit='cm'))
assert ad.arrow_tips is None
assert repr(ad) == \
'AngleDecoration(variety=single; '\
'hatchmark=None; label=default; color=None; thickness=thick; '\
'radius=1 cm; eccentricity=1.4)'
ad.radius = Number(2, unit='cm')
assert repr(ad) == \
'AngleDecoration(variety=single; '\
'hatchmark=None; label=default; color=None; thickness=thick; '\
'radius=2 cm; eccentricity=1.2)'
assert AngleDecoration().tikz_attributes() \
== '[draw, thick, angle radius = 0.25 cm]'
assert AngleDecoration(color='green', thickness='thin').tikz_attributes() \
== '[draw, thin, angle radius = 0.25 cm, green]'
assert AngleDecoration(radius=Number('0.5', unit=Unit('cm'))) \
.tikz_attributes() == '[draw, thick, angle radius = 0.5 cm]'
with pytest.raises(ValueError) as excinfo:
AngleDecoration(radius=Number(2, unit='cm'), gap=None)
assert str(excinfo.value) == 'Cannot calculate the eccentricity if gap '\
'is None.'
with pytest.raises(TypeError) as excinfo:
AngleDecoration(radius='2 cm')
assert str(excinfo.value) == 'Expected a number as radius. Got ' \
'<class \'str\'> instead.'
with pytest.raises(TypeError) as excinfo:
AngleDecoration(gap='2 cm')
assert str(excinfo.value) == 'The gap value must be None or a number. '\
'Found \'2 cm\' instead (type: <class \'str\'>).'
with pytest.raises(TypeError) as excinfo:
AngleDecoration().tikz_attributes(radius_coeff='a')
assert str(excinfo.value) == 'radius_coeff must be a number, '\
'found <class \'str\'> instead.'
with pytest.raises(TypeError) as excinfo:
AngleDecoration(hatchmark='unknown')
assert str(excinfo.value) == 'AngleDecoration\'s hatchmark can be None, '\
'\'singledash\', \'doubledash\' or \'tripledash\'. ' \
'Found \'unknown\' instead (type: <class \'str\'>).'
with pytest.raises(TypeError) as excinfo:
AngleDecoration(eccentricity='a')
assert str(excinfo.value) == 'The eccentricity of an AngleDecoration '\
'must be None or a Number. Found <class \'str\'> instead.'
with pytest.raises(RuntimeError) as excinfo:
AngleDecoration().generate_tikz('A', 'B')
assert str(excinfo.value) == 'Three Points\' names must be provided to '\
'generate the AngleDecoration. Found 2 arguments instead.'
with pytest.raises(TypeError) as excinfo:
AngleDecoration(do_draw='a')
assert str(excinfo.value) == 'do_draw must be a boolean; '\
'got <class \'str\'> instead.'
def test_multiplications():
"""Check __mul__, __rmul__, __imul__."""
assert isinstance(Number(4) * Number(4), Number)
assert isinstance(4 * Number(4), Number)
assert isinstance(Number(4) * 4, Number)
n = Number(4)
n *= Number(4)
n *= 4
n = Number(6)
p = Number(7)
assert n * p == Number(42)
assert (n * p).printed == '42'
assert isinstance(n, Number)
n = Number(6, unit='cm')
p = Number(7)
assert n * p == Number(42, unit='cm')
n = Number(6)
p = Number(7, unit='cm')
assert n * p == Number(42, unit='cm')
n = Number(6, unit='cm')
p = Number(7, unit='cm')
assert n * p == Number(42, unit=Unit('cm', exponent=Number(2)))
n = Number(6, unit='cm')
p = Number(7, unit=Unit('cm', exponent=Number(2)))
assert n * p == Number(42, unit=Unit('cm', exponent=Number(3)))
n = Number(6, unit=Unit('cm', exponent=Number(2)))
p = Number(7, unit='cm')
assert n * p == Number(42, unit=Unit('cm', exponent=Number(3)))
n = Number(6, unit='W')
p = Number(7, unit='h')
assert n * p == Number(42, unit=Unit('W.h'))
n = Number(6, unit='cm')
p = Number(7, unit=Unit('h', exponent=Number(2)))
assert n * p == Number(42, unit=Unit('cm.h', exponent=Number(2)))
assert (n * p).printed == r'\SI{42}{cm.h^{2}}'
n = Number(6, unit=Unit('cm', exponent=Number(2)))
p = Number(7, unit='h')
assert n * p == Number(42, unit=Unit('h.cm', exponent=Number(2)))
def test_sides_labeling():
"""Check Rectangle's sides' labeling."""
r = Rectangle(name='TIDY', width=2, length=3)
with pytest.raises(ValueError) as excinfo:
r.lbl_area
assert str(excinfo.value) == 'No width has been set as a Number.'
r.setup_labels([Number(4, unit='cm'), '15 cm'])
with pytest.raises(ValueError) as excinfo:
r.lbl_length
assert str(excinfo.value) == 'No length has been set as a Number.'
with pytest.raises(ValueError) as excinfo:
r.lbl_area
assert str(excinfo.value) == 'No length has been set as a Number.'
r.setup_labels([Number(4, unit='cm'), Number(15, unit='cm')])
assert r.lbl_width.uiprinted == '4 cm'
assert r.lbl_length.uiprinted == '15 cm'
assert r.lbl_area == Number(60, unit=Unit('cm', exponent=Number(2)))
assert r.lbl_area.uiprinted == '60 cm^2'
assert [s.label_mask for s in r.sides] == [' ', None, None, ' ']
for s in r.sides:
s.unlock_label()
r.sides[3].label = Number(5, unit='cm')
with pytest.raises(ValueError) as excinfo:
r.lbl_area
assert str(excinfo.value) == 'Two different labels have been set '\
'for the width: Number(\'4 cm\') and Number(\'5 cm\').'
r.sides[3].label = Number(4, unit='cm')
r.sides[2].label = Number(12, unit='cm')
with pytest.raises(ValueError) as excinfo:
r.lbl_area
assert str(excinfo.value) == 'Two different labels have been set '\
'for the length: Number(\'15 cm\') and Number(\'12 cm\').'
r.sides[0].label = 'undefined'
r.sides[1].label = 'undefined'
assert r.lbl_area.uiprinted == '48 cm^2'
r.sides[0].label = Number(3, unit='cm')
r.sides[1].label = Number(17, unit='cm')
r.sides[2].label = 'undefined'
r.sides[3].label = 'undefined'
assert r.lbl_area.uiprinted == '51 cm^2'
def test_divisions():
"""Check __truediv__, __floordiv__, __mod__, __divmod__ + their __r*__."""
assert isinstance(Number(4) / Number(4), Number)
assert isinstance(4 / Number(4), Number)
assert isinstance(Number(4) / 4, Number)
assert isinstance(Number(4) // Number(4), Number)
assert isinstance(4 // Number(4), Number)
assert isinstance(Number(4) // 4, Number)
assert isinstance(Number(4) % Number(4), Number)
assert isinstance(4 % Number(4), Number)
assert isinstance(Number(4) % 4, Number)
assert divmod(Number(42), Number(15)) == (Number('2'), Number('12'))
assert isinstance(divmod(Number(42), Number(15))[0], Number)
assert isinstance(divmod(Number(42), Number(15))[1], Number)
assert divmod(42, Number(15)) == (Number('2'), Number('12'))
assert isinstance(divmod(42, Number(15))[0], Number)
assert isinstance(divmod(42, Number(15))[1], Number)
assert divmod(Number(42), 15) == (Number('2'), Number('12'))
assert isinstance(divmod(Number(42), 15)[0], Number)
assert isinstance(divmod(Number(42), 15)[1], Number)
n = Number(4)
assert isinstance(n, Number)
n /= Number(4)
assert isinstance(n, Number)
n = Number(256)
n //= Number(4)
assert isinstance(n, Number)
n = Number(256)
n %= Number(3)
assert isinstance(n, Number)
n = Number(4)
n /= 4
assert isinstance(n, Number)
n = Number(256)
n //= 4
assert isinstance(n, Number)
n = Number(256)
n %= 3
assert isinstance(n, Number)
assert Number(4) / Sign('-') == -4
assert Sign('-') / Number(4) == Number('-0.25')
assert Number(4) // Sign('-') == -4
assert Sign('-') // Number(4) == Number('0')
n = Number(7, unit='cm')
p = Number(4)
assert n / p == Number('1.75', unit='cm')
n = Number(7)
p = Number(4, unit='cm')
assert n / p == Number('1.75', unit=Unit('cm', exponent=Number(-1)))
n = Number(7, unit='cm')
p = Number(4, unit='cm')
assert n / p == Number('1.75')
n = Number(7, unit='km')
p = Number(4, unit='h')
assert n / p == Number('1.75', unit='km/h')
n = Number(7, unit=Unit('cm', exponent=Number(2)))
p = Number(4, unit='cm')
assert n / p == Number('1.75', unit='cm')
n = Number(7, unit='cm')
p = Number(4, unit=Unit('cm', exponent=Number(2)))
assert n / p == Number('1.75', unit=Unit('cm', exponent=Number(-1)))
n = 7
p = Number(4, unit=Unit('cm', exponent=Number(2)))
assert n / p == Number('1.75', unit=Unit('cm', exponent=Number(-2)))
n = Number(7, unit='cm')
p = 4
assert n / p == Number('1.75', unit='cm')
n = 7
p = Number(4, unit='cm')
assert n / p == Number('1.75', unit=Unit('cm', exponent=Number(-1)))
def test_convert_mL_to_dm3():
"""Check conversions between volume units."""
i = Number(6, unit='mL')
j = i.converted_to(Unit('dm', exponent=3))
assert j == Number(0.006, unit=Unit('dm', exponent=3))
def test_Unit():
"""Check the Unit class."""
assert Unit('cm').printed == r'\si{cm}'
assert Unit('cm', exponent=Number(2)).printed == r'\si{cm^{2}}'
u = Unit('cm')
assert Unit(u).printed == r'\si{cm}'
assert Unit(u, exponent=2).printed == r'\si{cm^{2}}'
assert Unit(u, exponent=Number(3)).printed == r'\si{cm^{3}}'
u = Unit('cm', exponent=2)
assert Unit(u).printed == r'\si{cm^{2}}'
v = Unit('cm', exponent=2)
assert u == v
w = Unit(v, exponent=3)
assert v != w
w = Unit(v, exponent=2)
assert v == w
assert u != 6
def test_Unit_errors():
"""Check the Unit class exceptions."""
with pytest.raises(TypeError) as excinfo:
Unit(6)
assert str(excinfo.value) == 'content must be a str or a Unit. ' \
'Got <class \'int\'> instead.'
def test_repr():
"""Check __repr__."""
assert repr(Unit('cm')) == 'Unit(\'cm\')'
assert repr(Unit('cm', exponent=2)) == 'Unit(\'cm\'^Number(\'2\'))'
def test_convert_area_to_greater_unit():
"""Check conversions between area units."""
i = Number(6, unit=Unit('dm', exponent=2))
j = i.converted_to(Unit('m', exponent=2))
assert j == Number(0.06, unit=Unit('m', exponent=2))
def test_convert_volume_to_geater_unit():
"""Check conversions between volume units."""
i = Number(6, unit=Unit('dm', exponent=3))
j = i.converted_to(Unit('m', exponent=3))
assert j == Number(0.006, unit=Unit('m', exponent=3))
def test_convert_dL_to_cm3():
"""Check conversions between volume units."""
i = Number(6, unit='dL')
j = i.converted_to(Unit('cm', exponent=3))
assert j == Number(600, unit=Unit('cm', exponent=3))
def test_convert_dm3_to_mL():
"""Check conversions between volume units."""
i = Number(6, unit=Unit('dm', exponent=3))
j = i.converted_to('mL')
assert j == Number(6000, unit='mL')