def loadTestsFromFile(self, filename):
"""Load doctests from the file.
Tests are loaded only if filename's extension matches
configured doctest extension.
"""
if self.extension and anyp(filename.endswith, self.extension):
name = os.path.basename(filename)
dh = open(filename)
try:
doc = dh.read()
finally:
dh.close()
fixture_context = None
globs = {'__file__': filename}
if self.fixtures:
base, ext = os.path.splitext(name)
dirname = os.path.dirname(filename)
sys.path.append(dirname)
fixt_mod = base + self.fixtures
try:
fixture_context = __import__(
fixt_mod, globals(), locals(), ["nop"])
except ImportError, e:
log.debug(
"Could not import %s: %s (%s)", fixt_mod, e, sys.path)
log.debug("Fixture module %s resolved to %s",
fixt_mod, fixture_context)
if hasattr(fixture_context, 'globs'):
globs = fixture_context.globs(globs)
parser = doctest.DocTestParser()
test = parser.get_doctest(
doc, globs=globs, name=name,
filename=filename, lineno=0)
if test.examples:
case = DocFileCase(
test,
optionflags=self.optionflags,
setUp=getattr(fixture_context, 'setup_test', None),
tearDown=getattr(fixture_context, 'teardown_test', None),
result_var=self.doctest_result_var)
if fixture_context:
yield ContextList((case,), context=fixture_context)
else:
yield case
else:
yield False # no tests to load
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