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