47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# content of conftest.py
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import pytest
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def pytest_collect_file(parent, path):
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if path.ext == ".yaml" and path.basename.startswith("test"):
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return YamlFile(path, parent)
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class YamlFile(pytest.File):
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def collect(self):
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import yaml # we need a yaml parser, e.g. PyYAML
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raw = yaml.safe_load(self.fspath.open())
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for name, spec in sorted(raw.items()):
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yield YamlItem(name, self, 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, "usecase: {}".format(self.name)
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class YamlException(Exception):
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""" custom exception for error reporting. """
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