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Viewing changes to breezy/tests/blackbox/test_selftest.py

  • Committer: Jelmer Vernooij
  • Date: 2020-04-05 19:11:34 UTC
  • mto: (7490.7.16 work)
  • mto: This revision was merged to the branch mainline in revision 7501.
  • Revision ID: jelmer@jelmer.uk-20200405191134-0aebh8ikiwygxma5
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breezy/tests/blackbox/test_selftest.py
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"""UI tests for the test framework."""
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from bzrlib import (
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    benchmarks,
 
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import os
 
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from breezy import (
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    tests,
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    )
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from bzrlib.tests import (
 
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from breezy.tests import (
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    features,
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    )
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from bzrlib.transport import memory
 
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from breezy.transport import memory
 
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class SelfTestPatch:
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    def get_params_passed_to_core(self, cmdline):
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        params = []
 
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        def selftest(*args, **kwargs):
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            """Capture the arguments selftest was run with."""
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            params.append((args, kwargs))
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            return True
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        # Yes this prevents using threads to run the test suite in parallel,
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        # however we don't have a clean dependency injector for commands, 
 
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        # however we don't have a clean dependency injector for commands,
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        # and even if we did - we'd still be testing that the glue is wired
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        # up correctly. XXX: TODO: Solve this testing problem.
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        original_selftest = tests.selftest
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            tests.selftest = original_selftest
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class TestOptionsWritingToDisk(tests.TestCaseInTempDir, SelfTestPatch):
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    def test_benchmark_runs_benchmark_tests(self):
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        """selftest --benchmark should change the suite factory."""
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        params = self.get_params_passed_to_core('selftest --benchmark')
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        self.assertEqual(benchmarks.test_suite,
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            params[1]['test_suite_factory'])
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        self.assertNotEqual(None, params[1]['bench_history'])
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        benchfile = open(".perf_history", "rt")
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        try:
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            lines = benchfile.readlines()
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        finally:
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            benchfile.close()
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        # Because we don't run the actual test code no output is made to the
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        # file.
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        self.assertEqual(0, len(lines))
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class TestOptions(tests.TestCase, SelfTestPatch):
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    def test_load_list(self):
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        # Test that we can pass a transport to the selftest core - sftp
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        # version.
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        self.requireFeature(features.paramiko)
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        from bzrlib.tests import stub_sftp
 
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        from breezy.tests import stub_sftp
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        params = self.get_params_passed_to_core('selftest --transport=sftp')
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        self.assertEqual(stub_sftp.SFTPAbsoluteServer,
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            params[1]["transport"])
 
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                         params[1]["transport"])
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    def test_transport_set_to_memory(self):
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        # Test that we can pass a transport to the selftest core - memory
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    def test_parameters_passed_to_core(self):
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        params = self.get_params_passed_to_core('selftest --list-only')
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        self.assertTrue("list_only" in params[1])
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        params = self.get_params_passed_to_core('selftest --list-only selftest')
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        self.assertTrue("list_only" in params[1])
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        params = self.get_params_passed_to_core(['selftest', '--list-only',
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            '--exclude', 'selftest'])
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        self.assertTrue("list_only" in params[1])
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        params = self.get_params_passed_to_core(['selftest', '--list-only',
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            'selftest', '--randomize', 'now'])
 
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        params = self.get_params_passed_to_core(
 
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            'selftest --list-only selftest')
 
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        self.assertTrue("list_only" in params[1])
 
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        params = self.get_params_passed_to_core(['selftest', '--list-only',
 
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                                                 '--exclude', 'selftest'])
 
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        self.assertTrue("list_only" in params[1])
 
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        params = self.get_params_passed_to_core(['selftest', '--list-only',
 
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                                                 'selftest', '--randomize', 'now'])
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        self.assertSubset(["list_only", "random_seed"], params[1])
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    def test_starting_with(self):
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            'selftest --starting-with foo --starting-with bar')
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        self.assertEqual(['foo', 'bar'], params[1]['starting_with'])
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    def test_subunit(self):
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        self.requireFeature(features.subunit)
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        params = self.get_params_passed_to_core('selftest --subunit')
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        self.assertEqual(tests.SubUnitBzrRunner, params[1]['runner_class'])
 
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    def test_subunitv1(self):
 
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        self.requireFeature(features.subunit)
 
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        params = self.get_params_passed_to_core('selftest --subunit1')
 
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        self.assertEqual(tests.SubUnitBzrRunnerv1, params[1]['runner_class'])
 
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    def test_subunitv2(self):
 
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        self.requireFeature(features.subunit)
 
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        params = self.get_params_passed_to_core('selftest --subunit2')
 
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        self.assertEqual(tests.SubUnitBzrRunnerv2, params[1]['runner_class'])
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    def _parse_test_list(self, lines, newlines_in_header=0):
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        "Parse a list of lines into a tuple of 3 lists (header,body,footer)."
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        # If the last body line is blank, drop it off the list
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        if len(body) > 0 and body[-1] == '':
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            body.pop()
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        return (header,body,footer)
 
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        return (header, body, footer)
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    def test_list_only(self):
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        # check that bzr selftest --list-only outputs no ui noise
 
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        # check that brz selftest --list-only outputs no ui noise
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        def selftest(*args, **kwargs):
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            """Capture the arguments selftest was run with."""
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            return True
 
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        def outputs_nothing(cmdline):
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            out,err = self.run_bzr(cmdline)
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            (header,body,footer) = self._parse_test_list(out.splitlines())
 
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            out, err = self.run_bzr(cmdline)
 
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            (header, body, footer) = self._parse_test_list(out.splitlines())
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            num_tests = len(body)
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            self.assertLength(0, header)
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            self.assertLength(0, footer)
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            self.assertEqual('', err)
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        # Yes this prevents using threads to run the test suite in parallel,
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        # however we don't have a clean dependency injector for commands, 
 
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        # however we don't have a clean dependency injector for commands,
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        # and even if we did - we'd still be testing that the glue is wired
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        # up correctly. XXX: TODO: Solve this testing problem.
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        original_selftest = tests.selftest
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        try:
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            outputs_nothing('selftest --list-only')
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            outputs_nothing('selftest --list-only selftest')
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            outputs_nothing(['selftest', '--list-only', '--exclude', 'selftest'])
 
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            outputs_nothing(
 
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                ['selftest', '--list-only', '--exclude', 'selftest'])
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        finally:
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            tests.selftest = original_selftest
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    def test_lsprof_tests(self):
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        params = self.get_params_passed_to_core('selftest --lsprof-tests')
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        self.assertEqual(True, params[1]["lsprof_tests"])
 
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    def test_parallel_fork_unsupported(self):
 
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        if getattr(os, "fork", None) is not None:
 
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            self.addCleanup(setattr, os, "fork", os.fork)
 
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            del os.fork
 
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        out, err = self.run_bzr(["selftest", "--parallel=fork", "-s", "bt.x"],
 
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                                retcode=3)
 
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        self.assertIn("platform does not support fork", err)
 
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        self.assertFalse(out)