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https://github.com/logos-blockchain/logos-execution-zone.git
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57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
import pytest
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from keycard.card_interface import CardInterface
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from keycard.preconditions import make_precondition
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from keycard.exceptions import InvalidStateError
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class DummyCard(CardInterface):
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def __init__(self, **attrs):
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for k, v in attrs.items():
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setattr(self, k, v)
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def test_precondition_passes_when_attribute_true():
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@make_precondition('is_ready')
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def do_something(card):
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return "success"
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card = DummyCard(is_ready=True)
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assert do_something(card) == "success"
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def test_precondition_raises_when_attribute_false():
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@make_precondition('is_ready')
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def do_something(card):
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return "should not reach"
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card = DummyCard(is_ready=False)
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with pytest.raises(InvalidStateError) as exc:
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do_something(card)
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assert "Is Ready must be satisfied." in str(exc.value)
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def test_precondition_raises_when_attribute_missing():
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@make_precondition('is_ready')
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def do_something(card):
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return "should not reach"
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card = DummyCard()
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with pytest.raises(InvalidStateError) as exc:
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do_something(card)
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assert "Is Ready must be satisfied." in str(exc.value)
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def test_precondition_custom_display_name():
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@make_precondition('is_ready', display_name="Custom Name")
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def do_something(card):
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return "success"
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card = DummyCard(is_ready=False)
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with pytest.raises(InvalidStateError) as exc:
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do_something(card)
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assert "Custom Name must be satisfied." in str(exc.value)
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def test_precondition_passes_args_kwargs():
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@make_precondition('is_ready')
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def do_something(card, x, y=2):
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return x + y
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card = DummyCard(is_ready=True)
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assert do_something(card, 3, y=4) == 7
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