46 lines
1.7 KiB
Python
46 lines
1.7 KiB
Python
"""Test the utilities functions."""
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import pytest
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from openflexure_microscope_server import utilities
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@pytest.mark.parametrize(
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("target", "patch", "outcome", "err_if_enforce"),
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[
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({"a": "b"}, {"a": "c"}, {"a": "c"}, False),
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({"a": "b"}, {"b": "c"}, {"a": "b", "b": "c"}, False),
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({"a": "b"}, {"a": None}, {}, False),
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({"a": "b", "b": "c"}, {"a": None}, {"b": "c"}, False),
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({"a": ["b"]}, {"a": "c"}, {"a": "c"}, False),
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({"a": "c"}, {"a": ["b"]}, {"a": ["b"]}, False),
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(
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{"a": {"b": "c"}},
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{"a": {"b": "d", "c": None}},
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{"a": {"b": "d"}},
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False,
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),
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({"a": [{"b": "c"}]}, {"a": [1]}, {"a": [1]}, False),
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(["a", "b"], ["c", "d"], ["c", "d"], True),
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({"a": "b"}, ["c"], ["c"], True),
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({"a": "foo"}, None, None, True),
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({"a": "foo"}, "bar", "bar", True),
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({"e": None}, {"a": 1}, {"e": None, "a": 1}, False),
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([1, 2], {"a": "b", "c": None}, {"a": "b"}, True),
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({}, {"a": {"bb": {"ccc": None}}}, {"a": {"bb": {}}}, False),
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],
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)
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def test_merge_patch(target, patch, outcome, err_if_enforce):
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"""Check that merge_patch returns the expected outcome for each target and patch.
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These test cases are specified in Appedix A of IETF RFC 7396.
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"""
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assert utilities.merge_patch(target, patch) == outcome
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# If expected to error when enforce_dict is True then check:
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if err_if_enforce:
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with pytest.raises(ValueError, match="Both target and patch"):
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utilities.merge_patch(target, patch, enforce_dict=True)
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else:
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# Else should run without error with same expected value
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assert utilities.merge_patch(target, patch, enforce_dict=True) == outcome
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