88 lines
3.5 KiB
Python
88 lines
3.5 KiB
Python
""" discover and run doctests in modules and test files."""
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import pytest, py
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from py._code.code import TerminalRepr, ReprFileLocation
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def pytest_addoption(parser):
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group = parser.getgroup("collect")
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group.addoption("--doctest-modules",
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action="store_true", default=False,
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help="run doctests in all .py modules",
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dest="doctestmodules")
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group.addoption("--doctest-glob",
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action="store", default="test*.txt", metavar="pat",
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help="doctests file matching pattern, default: test*.txt",
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dest="doctestglob")
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def pytest_collect_file(path, parent):
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config = parent.config
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if path.ext == ".py":
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if config.option.doctestmodules:
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return DoctestModule(path, parent)
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elif (path.ext in ('.txt', '.rst') and parent.session.isinitpath(path)) or \
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path.check(fnmatch=config.getvalue("doctestglob")):
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return DoctestTextfile(path, parent)
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class ReprFailDoctest(TerminalRepr):
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def __init__(self, reprlocation, lines):
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self.reprlocation = reprlocation
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self.lines = lines
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def toterminal(self, tw):
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for line in self.lines:
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tw.line(line)
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self.reprlocation.toterminal(tw)
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class DoctestItem(pytest.Item):
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def repr_failure(self, excinfo):
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doctest = py.std.doctest
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if excinfo.errisinstance((doctest.DocTestFailure,
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doctest.UnexpectedException)):
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doctestfailure = excinfo.value
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example = doctestfailure.example
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test = doctestfailure.test
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filename = test.filename
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lineno = test.lineno + example.lineno + 1
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message = excinfo.type.__name__
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reprlocation = ReprFileLocation(filename, lineno, message)
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checker = py.std.doctest.OutputChecker()
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REPORT_UDIFF = py.std.doctest.REPORT_UDIFF
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filelines = py.path.local(filename).readlines(cr=0)
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i = max(test.lineno, max(0, lineno - 10)) # XXX?
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lines = []
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for line in filelines[i:lineno]:
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lines.append("%03d %s" % (i+1, line))
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i += 1
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if excinfo.errisinstance(doctest.DocTestFailure):
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lines += checker.output_difference(example,
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doctestfailure.got, REPORT_UDIFF).split("\n")
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else:
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inner_excinfo = py.code.ExceptionInfo(excinfo.value.exc_info)
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lines += ["UNEXPECTED EXCEPTION: %s" %
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repr(inner_excinfo.value)]
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lines += py.std.traceback.format_exception(*excinfo.value.exc_info)
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return ReprFailDoctest(reprlocation, lines)
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else:
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return super(DoctestItem, self).repr_failure(excinfo)
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def reportinfo(self):
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return self.fspath, None, "[doctest]"
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class DoctestTextfile(DoctestItem, pytest.File):
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def runtest(self):
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doctest = py.std.doctest
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failed, tot = doctest.testfile(
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str(self.fspath), module_relative=False,
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optionflags=doctest.ELLIPSIS,
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raise_on_error=True, verbose=0)
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class DoctestModule(DoctestItem, pytest.File):
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def runtest(self):
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doctest = py.std.doctest
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if self.fspath.basename == "conftest.py":
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module = self.config._conftest.importconftest(self.fspath)
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else:
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module = self.fspath.pyimport()
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failed, tot = doctest.testmod(
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module, raise_on_error=True, verbose=0,
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optionflags=doctest.ELLIPSIS)
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