( )⚙ D4181 tests: port remaining bits of test-parseindex2 to unittest asserts

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Differential D4181

tests: port remaining bits of test-parseindex2 to unittest asserts
ClosedPublic

Authored by durin42 on Aug 9 2018, 1:42 PM.

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pulkit
Group Reviewers
hg-reviewers
Commits
rHG88b04bd2cbb4: tests: port remaining bits of test-parseindex2 to unittest asserts
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rHG Mercurial
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Lint Skipped
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Unit Tests Skipped

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Mtests/test-parseindex2.py (48 lines)

Diff 10124

tests/test-parseindex2.py

# version-checking code happens inside the module init function, and # version-checking code happens inside the module init function, and
# when using reload() to reimport an extension module, "The init function # when using reload() to reimport an extension module, "The init function
# of extension modules is not called a second time" # of extension modules is not called a second time"
# (from http://docs.python.org/2/library/functions.html?#reload). # (from http://docs.python.org/2/library/functions.html?#reload).
p = subprocess.Popen(cmd, shell=True, p = subprocess.Popen(cmd, shell=True,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT) stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
return p.communicate() # returns stdout, stderr return p.communicate() # returns stdout, stderr
def printhexfail(testnumber, hexversion, stdout, expected): def hexfailmsg(testnumber, hexversion, stdout, expected):
try: try:
hexstring = hex(hexversion) hexstring = hex(hexversion)
except TypeError: except TypeError:
hexstring = None hexstring = None
print("FAILED: version test #%s with Python %s and patched " return ("FAILED: version test #%s with Python %s and patched "
"sys.hexversion %r (%r):\n Expected %s but got:\n-->'%s'\n" % "sys.hexversion %r (%r):\n Expected %s but got:\n-->'%s'\n" %
(testnumber, sys.version_info, hexversion, hexstring, expected, (testnumber, sys.version_info, hexversion, hexstring, expected,
stdout)) stdout))
def testversionokay(testnumber, hexversion): def makehex(major, minor, micro):
return int("%x%02x%02x00" % (major, minor, micro), 16)
class parseindex2tests(unittest.TestCase):
def assertversionokay(self, testnumber, hexversion):
stdout, stderr = importparsers(hexversion) stdout, stderr = importparsers(hexversion)
if stdout: self.assertFalse(
printhexfail(testnumber, hexversion, stdout, expected="no stdout") stdout, hexfailmsg(testnumber, hexversion, stdout, 'no stdout'))
def testversionfail(testnumber, hexversion): def assertversionfail(self, testnumber, hexversion):
stdout, stderr = importparsers(hexversion) stdout, stderr = importparsers(hexversion)
# We include versionerrortext to distinguish from other ImportErrors. # We include versionerrortext to distinguish from other ImportErrors.
errtext = b"ImportError: %s" % pycompat.sysbytes(parsers.versionerrortext) errtext = b"ImportError: %s" % pycompat.sysbytes(
if errtext not in stdout: parsers.versionerrortext)
printhexfail(testnumber, hexversion, stdout, self.assertIn(errtext, stdout,
expected="stdout to contain %r" % errtext) hexfailmsg(testnumber, hexversion, stdout,
expected="stdout to contain %r" % errtext))
def makehex(major, minor, micro):
return int("%x%02x%02x00" % (major, minor, micro), 16)
class parseindex2tests(unittest.TestCase):
def testversiondetection(self): def testversiondetection(self):
"""Check the version-detection logic when importing parsers.""" """Check the version-detection logic when importing parsers."""
# Only test the version-detection logic if it is present. # Only test the version-detection logic if it is present.
try: try:
parsers.versionerrortext parsers.versionerrortext
except AttributeError: except AttributeError:
return return
info = sys.version_info info = sys.version_info
major, minor, micro = info[0], info[1], info[2] major, minor, micro = info[0], info[1], info[2]
# Test same major-minor versions. # Test same major-minor versions.
testversionokay(1, makehex(major, minor, micro)) self.assertversionokay(1, makehex(major, minor, micro))
testversionokay(2, makehex(major, minor, micro + 1)) self.assertversionokay(2, makehex(major, minor, micro + 1))
# Test different major-minor versions. # Test different major-minor versions.
testversionfail(3, makehex(major + 1, minor, micro)) self.assertversionfail(3, makehex(major + 1, minor, micro))
testversionfail(4, makehex(major, minor + 1, micro)) self.assertversionfail(4, makehex(major, minor + 1, micro))
testversionfail(5, "'foo'") self.assertversionfail(5, "'foo'")
def testbadargs(self): def testbadargs(self):
# Check that parse_index2() raises TypeError on bad arguments. # Check that parse_index2() raises TypeError on bad arguments.
with self.assertRaises(TypeError): with self.assertRaises(TypeError):
parse_index2(0, True) parse_index2(0, True)
def testparseindexfile(self): def testparseindexfile(self):
# Check parsers.parse_index2() on an index file against the # Check parsers.parse_index2() on an index file against the