def test_invalid_allowed(value):
"""Check that ValueError is raised if the value is not in the allowed set."""
allowed = [-4.0, -5.0, 20.0, 7.0]
f = Float(help="Help!", allowed=allowed)
with pytest.raises(ValueError):
f.setValue(value)
def test_mixed_constraints():
"""Check that ValueError is raised if min/max and allowed are set."""
with pytest.raises(ValueError):
f = Float(help="Help!",
minimum=0.0,
maximum=10.0,
allowed=[1.0, 2.0, 3.0])
def test_valid_min_max_default_valid(default):
"""Check that default is handled correctly when min/max are set."""
f = Float(help="Help!", minimum=-2.0, maximum=7.9, default=default)
assert f.getValue() == None
assert f.getHelp() == "Help!"
assert f.isOptional() == True
assert f.getDefault() == default
assert f.getMin() == -2.0
assert f.getMax() == 7.9
assert f.getAllowedValues() is None
assert f.isMulti() == False
assert f.getArgType() == float
def test_invalid_min_max(value):
"""Check that ValueError is raised if value is outside of min/max range."""
f = Float(help="Help!", minimum=-2.0, maximum=7.9)
with pytest.raises(ValueError):
f.setValue(value)
def test_no_arguments():
"""Test that calling constructor with no arguments will raise a ValueError."""
with pytest.raises(ValueError):
f = Float()
def test_valid_min_max(value):
"""Check that all is okay when the value is within min/max."""
f = Float(help="Help!", minimum=-2.0, maximum=7.9)
f.setValue(value)
assert f.getValue() == value
assert f.getHelp() == "Help!"
assert f.isOptional() == False
assert f.getDefault() == None
assert f.getMin() == -2.0
assert f.getMax() == 7.9
assert f.getAllowedValues() is None
assert f.isMulti() == False
assert f.getArgType() == float
def test_bad_value(value):
"""Test that TypeError is raised when "value" is not a float or int."""
f = Float(help="Help!")
with pytest.raises(TypeError):
f.setValue(value)
def test_default(default):
"""Check that default value is set correctly."""
f = Float(help="Help!", default=default)
assert f.getHelp() == "Help!"
assert f.isOptional() == True
assert f.getDefault() == default
assert f.getMin() == None
assert f.getMax() == None
assert f.getAllowedValues() is None
assert f.isMulti() == False
assert f.getArgType() == float
# Make sure that the argument is now optional.
assert f.isOptional() is True
def test_value(value):
"""Test whether object is initialised correctly and value is set."""
# Create Float object with minimium required arguments.
f = Float(help="Help!")
# Set the value of the float.
f.setValue(value)
# Assert that all arguments are parsed correctly and the value is set.
assert f.getValue() == value
assert f.getHelp() == "Help!"
assert f.isOptional() == False
assert f.getDefault() == None
assert f.getMin() == None
assert f.getMax() == None
assert f.getAllowedValues() is None
assert f.isMulti() == False
assert f.getArgType() == float
def test_valid_allowed(value):
"""Test that all is okay if the value is in the allowed set."""
allowed = [-4.5, -5.1, -7.0, 20.0, 9.0, 7.0]
f = Float(help="Help!", allowed=allowed)
f.setValue(value)
assert f.getValue() == value
assert f.getHelp() == "Help!"
assert f.isOptional() == False
assert f.getDefault() == None
assert f.getMin() == None
assert f.getMax() == None
assert f.getAllowedValues() == allowed
assert f.isMulti() == False
assert f.getArgType() == float
def test_invalid_min_max():
"""Check that ValueError is raised when min and max are incompatible."""
with pytest.raises(ValueError):
f = Float(help="Help!", minimum=10.0, maximum=0.0)
def test_invalid_min_max_default(default):
"""Check that ValueError is raised when default value is outside of min/max range."""
with pytest.raises(ValueError):
f = Float(help="Help!", minimum=-2.0, maximum=7.0, default=default)