test_runtime.py 文件源码

def test_spec_optional_advice(self):
        from calmjs.registry import _inst as root_registry
        key = toolchain.CALMJS_TOOLCHAIN_ADVICE
        stub_stdouts(self)

        def cleanup_fake_registry():
            # pop out the fake advice registry that was added.
            root_registry.records.pop(key, None)

        self.addCleanup(cleanup_fake_registry)

        make_dummy_dist(self, ((
            'entry_points.txt',
            '[calmjs.toolchain.advice]\n'
            'calmjs.toolchain:Toolchain = calmjs.tests.test_toolchain:bad\n'
            'calmjs.toolchain:NullToolchain = '
            'calmjs.tests.test_toolchain:dummy\n'
        ),), 'example.package', '1.0')
        working_set = pkg_resources.WorkingSet([self._calmjs_testing_tmpdir])

        root_registry.records[key] = toolchain.AdviceRegistry(
            key, _working_set=working_set)

        tc = toolchain.NullToolchain()
        rt = runtime.ToolchainRuntime(tc)

        result = rt([
            '--export-target', 'dummy',
            '--optional-advice', 'example.package', '-vv',
        ])

        self.assertEqual(result['dummy'], ['dummy', 'bad'])
        err = sys.stderr.getvalue()

        self.assertIn('prepare spec with optional advices from packages', err)
        self.assertIn('example.package', err)
        self.assertIn('failure encountered while setting up advices', err)

        # Doing it normally should not result in that optional key.
        result = rt(['--export-target', 'dummy'])
        self.assertNotIn('dummy', result)