48 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Python
		
	
	
	
# content of conftest.py
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import pytest
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def pytest_collect_file(parent, fspath):
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    if fspath.suffix == ".yaml" and fspath.name.startswith("test"):
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        return YamlFile.from_parent(parent, path=fspath)
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class YamlFile(pytest.File):
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    def collect(self):
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        # We need a yaml parser, e.g. PyYAML.
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        import yaml
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        raw = yaml.safe_load(self.path.open())
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        for name, spec in sorted(raw.items()):
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            yield YamlItem.from_parent(self, name=name, spec=spec)
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class YamlItem(pytest.Item):
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    def __init__(self, name, parent, spec):
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        super().__init__(name, parent)
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        self.spec = spec
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    def runtest(self):
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        for name, value in sorted(self.spec.items()):
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            # Some custom test execution (dumb example follows).
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            if name != value:
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                raise YamlException(self, name, value)
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    def repr_failure(self, excinfo):
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        """Called when self.runtest() raises an exception."""
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        if isinstance(excinfo.value, YamlException):
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            return "\n".join(
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                [
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                    "usecase execution failed",
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                    "   spec failed: {1!r}: {2!r}".format(*excinfo.value.args),
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                    "   no further details known at this point.",
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                ]
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            )
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    def reportinfo(self):
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        return self.fspath, 0, f"usecase: {self.name}"
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class YamlException(Exception):
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    """Custom exception for error reporting."""
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