45 lines
955 B
Python
45 lines
955 B
Python
"""Item constraint creation tests.
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The test check functionality of `Item.constraint` method, not
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constraints themselves.
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"""
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from gaphas.item import Element, Item, Line
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class Custom:
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def __init__(self, custom):
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self.custom = custom
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def test_can_pass_arbitrary_arguments_to_an_element(connections):
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class Test(Element, Custom):
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pass
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t = Test(connections, custom="custom")
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assert t.custom == "custom"
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assert t._connections is connections
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def test_can_pass_arbitrary_arguments_to_a_line(connections):
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class Test(Line, Custom):
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pass
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t = Test(connections, custom="custom")
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assert t.custom == "custom"
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assert t._connections is connections
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def test_element_implements_item_protocol(connections):
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element = Element(connections)
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assert isinstance(element, Item)
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def test_line_implements_item_protocol(connections):
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line = Line(connections)
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assert isinstance(line, Item)
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