def test_list_value_with_units():
# TODO: check against setting the string version (with units) of the numeric choices
p = ListParameter('Test', choices=[1, 2.2, 'three', 'and four'], units='tests')
p.value = 'three tests'
assert p.value == 'three'
p.value = 'and four tests'
assert p.value == 'and four'
def test_set_invalid_value_should_raise(self, qtbot):
list_param = ListParameter('potato',
choices=[123, 456],
default=123,
units='m')
list_input = ListInput(list_param)
qtbot.addWidget(list_input)
with pytest.raises(ValueError):
list_input.setValue(789)
def test_unit_should_append_to_strings(self, qtbot):
list_param = ListParameter('potato',
choices=[123, 456],
default=123,
units='m')
list_input = ListInput(list_param)
qtbot.addWidget(list_input)
assert list_input.currentText() == '123 m'
def test_init_from_param(self, qtbot, choices, default_value):
list_param = ListParameter('potato',
choices=choices,
default=default_value,
units='m')
list_input = ListInput(list_param)
qtbot.addWidget(list_input)
assert list_input.isEditable() == False
assert list_input.value() == default_value
def test_list_value():
p = ListParameter('Test', choices=[1, 2.2, 'three', 'and four'])
p.value = 1
assert p.value == 1
p.value = 2.2
assert p.value == 2.2
p.value = '1' # reading from file
assert p.value == 1
p.value = '2.2' # reading from file
assert p.value == 2.2
p.value = 'three'
assert p.value == 'three'
p.value = 'and four'
assert p.value == 'and four'
with pytest.raises(ValueError):
p.value = 5
def test_setValue_should_update_value(self, qtbot):
# Test write-read loop: verify value -> index -> value conversion
choices = [123, 'abc', 0]
list_param = ListParameter('potato', choices=choices, default=123)
list_input = ListInput(list_param)
qtbot.addWidget(list_input)
for choice in choices:
list_input.setValue(choice)
assert list_input.currentText() == str(choice)
assert list_input.value() == choice
def test_init_from_param(self, qtbot, choices, default_value,
value_remains_default):
list_param = ListParameter('potato',
choices=choices,
default=default_value,
units='m')
if (value_remains_default):
# Enable check that the value is initialized to default_value
check_value = default_value
else:
# Set to a non default value
list_param.value = choices[2]
# Enable check that the value is changed after initialization to a non default_value
check_value = choices[2]
list_input = ListInput(list_param)
qtbot.addWidget(list_input)
assert list_input.isEditable() == False
assert list_input.value() == check_value
def test_setValue_should_update_parameter(self, qtbot):
choices = [123, 'abc', 0]
list_param = ListParameter('potato', choices=choices, default=123)
list_input = ListInput(list_param)
qtbot.addWidget(list_input)
with mock.patch('test_inputs.ListParameter.value',
new_callable=mock.PropertyMock,
return_value=123) as p:
for choice in choices:
list_input.setValue(choice)
list_input.parameter # lazy update
p.assert_has_calls((mock.call(123), mock.call('abc'), mock.call(0)))
def test_list_value():
# TODO: check against setting the string version of the numeric choices
p = ListParameter('Test', choices=[1, 2.2, 'three', 'and four'])
p.value = 1
assert p.value == 1
p.value = 2.2
assert p.value == 2.2
p.value = 'three'
assert p.value == 'three'
p.value = 'and four'
assert p.value == 'and four'
with pytest.raises(ValueError):
p.value = 5
def test_list_value_with_units():
p = ListParameter(
'Test', choices=[1, 2.2, 'three', 'and four'],
units='tests')
p.value = '1 tests'
assert p.value == 1
p.value = '2.2 tests'
assert p.value == 2.2
p.value = 'three tests'
assert p.value == 'three'
p.value = 'and four tests'
assert p.value == 'and four'
def test_list_order():
p = ListParameter('Test', choices=[1, 2.2, 'three', 'and four'])
# check if order is preserved, choices are internally stored as dict
assert p.choices == (1, 2.2, 'three', 'and four')
def test_list_string():
# make sure string representation of choices is unique
with pytest.raises(ValueError):
_ = ListParameter('Test', choices=[1, '1'])
