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# Copyright (c) 2009-2015 testtools developers. See LICENSE for details.
"""Test ConcurrentTestSuite and related things."""
import doctest
from pprint import pformat
import unittest
from testtools import (
ConcurrentTestSuite,
ConcurrentStreamTestSuite,
iterate_tests,
PlaceHolder,
TestByTestResult,
TestCase,
)
from testtools.helpers import try_import
from testtools.matchers import DocTestMatches, Equals
from testtools.testresult.doubles import StreamResult as LoggingStream
from testtools.testsuite import FixtureSuite, sorted_tests
from testtools.tests.helpers import LoggingResult
FunctionFixture = try_import("fixtures.FunctionFixture")
class Sample(TestCase):
def __hash__(self):
return id(self)
def test_method1(self):
pass
def test_method2(self):
pass
class TestConcurrentTestSuiteRun(TestCase):
def test_broken_test(self):
log = []
def on_test(test, status, start_time, stop_time, tags, details):
log.append((test.id(), status, set(details.keys())))
class BrokenTest:
# Simple break - no result parameter to run()
def __call__(self):
pass
run = __call__
original_suite = unittest.TestSuite([BrokenTest()])
suite = ConcurrentTestSuite(original_suite, self.split_suite)
suite.run(TestByTestResult(on_test))
self.assertEqual([("broken-runner", "error", {"traceback"})], log)
def test_trivial(self):
log = []
result = LoggingResult(log)
test1 = Sample("test_method1")
test2 = Sample("test_method2")
original_suite = unittest.TestSuite([test1, test2])
suite = ConcurrentTestSuite(original_suite, self.split_suite)
suite.run(result)
# log[0] is the timestamp for the first test starting.
test1 = log[1][1]
test2 = log[-1][1]
self.assertIsInstance(test1, Sample)
self.assertIsInstance(test2, Sample)
self.assertNotEqual(test1.id(), test2.id())
def test_wrap_result(self):
# ConcurrentTestSuite has a hook for wrapping the per-thread result.
wrap_log = []
def wrap_result(thread_safe_result, thread_number):
wrap_log.append((thread_safe_result.result.decorated, thread_number))
return thread_safe_result
result_log = []
result = LoggingResult(result_log)
test1 = Sample("test_method1")
test2 = Sample("test_method2")
original_suite = unittest.TestSuite([test1, test2])
suite = ConcurrentTestSuite(
original_suite, self.split_suite, wrap_result=wrap_result
)
suite.run(result)
self.assertEqual(
[
(result, 0),
(result, 1),
],
wrap_log,
)
# Smoke test to make sure everything ran OK.
self.assertNotEqual([], result_log)
def split_suite(self, suite):
return list(iterate_tests(suite))
class TestConcurrentStreamTestSuiteRun(TestCase):
def test_trivial(self):
result = LoggingStream()
test1 = Sample("test_method1")
test2 = Sample("test_method2")
def cases():
return [(test1, "0"), (test2, "1")]
suite = ConcurrentStreamTestSuite(cases)
suite.run(result)
def freeze(set_or_none):
if set_or_none is None:
return set_or_none
return frozenset(set_or_none)
# Ignore event order: we're testing the code is all glued together,
# which just means we can pump events through and they get route codes
# added appropriately.
self.assertEqual(
{
(
"status",
"testtools.tests.test_testsuite.Sample.test_method1",
"inprogress",
None,
True,
None,
None,
False,
None,
"0",
None,
),
(
"status",
"testtools.tests.test_testsuite.Sample.test_method1",
"success",
frozenset(),
True,
None,
None,
False,
None,
"0",
None,
),
(
"status",
"testtools.tests.test_testsuite.Sample.test_method2",
"inprogress",
None,
True,
None,
None,
False,
None,
"1",
None,
),
(
"status",
"testtools.tests.test_testsuite.Sample.test_method2",
"success",
frozenset(),
True,
None,
None,
False,
None,
"1",
None,
),
},
{
event[0:3] + (freeze(event[3]),) + event[4:10] + (None,)
for event in result._events
},
)
def test_broken_runner(self):
# If the object called breaks, the stream is informed about it
# regardless.
class BrokenTest:
# broken - no result parameter!
def __call__(self):
pass
def run(self):
pass
result = LoggingStream()
def cases():
return [(BrokenTest(), "0")]
suite = ConcurrentStreamTestSuite(cases)
suite.run(result)
events = result._events
# Check the traceback loosely.
self.assertEqual(
events[1][6].decode("utf8"), "Traceback (most recent call last):\n"
)
self.assertThat(
events[2][6].decode("utf8"),
DocTestMatches(
"""\
File "...testtools/testsuite.py", line ..., in _run_test
test.run(process_result)...
""",
doctest.ELLIPSIS,
),
)
self.assertThat(
events[3][6].decode("utf8"),
DocTestMatches(
"""\
TypeError: ...run() takes ...1 ...argument...2...given...
""",
doctest.ELLIPSIS,
),
)
events = [event[0:10] + (None,) for event in events]
events[1] = events[1][:6] + (None,) + events[1][7:]
events[2] = events[2][:6] + (None,) + events[2][7:]
events[3] = events[3][:6] + (None,) + events[3][7:]
self.assertEqual(
[
(
"status",
"broken-runner-'0'",
"inprogress",
None,
True,
None,
None,
False,
None,
"0",
None,
),
(
"status",
"broken-runner-'0'",
None,
None,
True,
"traceback",
None,
False,
'text/x-traceback; charset="utf8"; language="python"',
"0",
None,
),
(
"status",
"broken-runner-'0'",
None,
None,
True,
"traceback",
None,
False,
'text/x-traceback; charset="utf8"; language="python"',
"0",
None,
),
(
"status",
"broken-runner-'0'",
None,
None,
True,
"traceback",
None,
True,
'text/x-traceback; charset="utf8"; language="python"',
"0",
None,
),
(
"status",
"broken-runner-'0'",
"fail",
set(),
True,
None,
None,
False,
None,
"0",
None,
),
],
events,
)
def split_suite(self, suite):
tests = list(enumerate(iterate_tests(suite)))
return [(test, str(pos)) for pos, test in tests]
def test_setupclass_skip(self):
# We should support setupclass skipping using cls.skipException.
# Because folk have used that.
class Skips(TestCase):
@classmethod
def setUpClass(cls):
raise cls.skipException("foo")
def test_notrun(self):
pass
# Test discovery uses the default suite from unittest (unless users
# deliberately change things, in which case they keep both pieces).
suite = unittest.TestSuite([Skips("test_notrun")])
log = []
result = LoggingResult(log)
suite.run(result)
self.assertEqual(["addSkip"], [item[0] for item in log])
def test_setupclass_upcall(self):
# Note that this is kindof-a-case-test, kindof-suite, because
# setUpClass is linked between them.
class Simples(TestCase):
@classmethod
def setUpClass(cls):
super().setUpClass()
def test_simple(self):
pass
# Test discovery uses the default suite from unittest (unless users
# deliberately change things, in which case they keep both pieces).
suite = unittest.TestSuite([Simples("test_simple")])
log = []
result = LoggingResult(log)
suite.run(result)
self.assertEqual(
["startTest", "addSuccess", "stopTest"], [item[0] for item in log]
)
class TestFixtureSuite(TestCase):
def setUp(self):
super().setUp()
if FunctionFixture is None:
self.skipTest("Need fixtures")
def test_fixture_suite(self):
log = []
class Sample(TestCase):
def test_one(self):
log.append(1)
def test_two(self):
log.append(2)
fixture = FunctionFixture(
lambda: log.append("setUp"), lambda fixture: log.append("tearDown")
)
suite = FixtureSuite(fixture, [Sample("test_one"), Sample("test_two")])
suite.run(LoggingResult([]))
self.assertEqual(["setUp", 1, 2, "tearDown"], log)
def test_fixture_suite_sort(self):
log = []
class Sample(TestCase):
def test_one(self):
log.append(1)
def test_two(self):
log.append(2)
fixture = FunctionFixture(
lambda: log.append("setUp"), lambda fixture: log.append("tearDown")
)
suite = FixtureSuite(fixture, [Sample("test_one"), Sample("test_one")])
self.assertRaises(ValueError, suite.sort_tests)
class TestSortedTests(TestCase):
def test_sorts_custom_suites(self):
a = PlaceHolder("a")
b = PlaceHolder("b")
class Subclass(unittest.TestSuite):
def sort_tests(self):
self._tests = sorted_tests(self, True)
input_suite = Subclass([b, a])
suite = sorted_tests(input_suite)
self.assertEqual([a, b], list(iterate_tests(suite)))
self.assertEqual([input_suite], list(iter(suite)))
def test_custom_suite_without_sort_tests_works(self):
a = PlaceHolder("a")
b = PlaceHolder("b")
class Subclass(unittest.TestSuite):
pass
input_suite = Subclass([b, a])
suite = sorted_tests(input_suite)
self.assertEqual([b, a], list(iterate_tests(suite)))
self.assertEqual([input_suite], list(iter(suite)))
def test_sorts_simple_suites(self):
a = PlaceHolder("a")
b = PlaceHolder("b")
suite = sorted_tests(unittest.TestSuite([b, a]))
self.assertEqual([a, b], list(iterate_tests(suite)))
def test_duplicate_simple_suites(self):
a = PlaceHolder("a")
b = PlaceHolder("b")
c = PlaceHolder("a")
self.assertRaises(ValueError, sorted_tests, unittest.TestSuite([a, b, c]))
def test_multiple_duplicates(self):
# If there are multiple duplicates on a test suite, we report on them
# all.
a = PlaceHolder("a")
b = PlaceHolder("b")
c = PlaceHolder("a")
d = PlaceHolder("b")
error = self.assertRaises(
ValueError, sorted_tests, unittest.TestSuite([a, b, c, d])
)
self.assertThat(
str(error),
Equals("Duplicate test ids detected: {}".format(pformat({"a": 2, "b": 2}))),
)
def test_suite():
from unittest import TestLoader
return TestLoader().loadTestsFromName(__name__)
|
