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Current File : //lib/python3/dist-packages/twisted/trial/test/test_output.py

# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
Tests for the output generated by trial.
"""

from __future__ import absolute_import, division, print_function

import os

from twisted.python.compat import NativeStringIO, _PY3

from twisted.scripts import trial
from twisted.trial import runner
from twisted.trial.test import packages


if _PY3:
    _noModuleError = "No module named 'frotz'"
else:
    _noModuleError = "No module named frotz"


def runTrial(*args):
    from twisted.trial import reporter
    config = trial.Options()
    config.parseOptions(args)
    output = NativeStringIO()
    myRunner = runner.TrialRunner(
        reporter.VerboseTextReporter,
        stream=output,
        workingDirectory=config['temp-directory'])
    suite = trial._getSuite(config)
    myRunner.run(suite)
    return output.getvalue()


class ImportErrorsTests(packages.SysPathManglingTest):
    """Actually run trial as if on the command line and check that the output
    is what we expect.
    """

    debug = False
    parent = "_testImportErrors"
    def runTrial(self, *args):
        return runTrial('--temp-directory', self.mktemp(), *args)


    def _print(self, stuff):
        print(stuff)
        return stuff


    def assertIn(self, container, containee, *args, **kwargs):
        # redefined to be useful in callbacks
        super(ImportErrorsTests, self).assertIn(
            containee, container, *args, **kwargs)
        return container


    def assertNotIn(self, container, containee, *args, **kwargs):
        # redefined to be useful in callbacks
        super(ImportErrorsTests, self).assertNotIn(
            containee, container, *args, **kwargs)
        return container


    def test_trialRun(self):
        self.runTrial()


    def test_nonexistentModule(self):
        d = self.runTrial('twisted.doesntexist')
        self.assertIn(d, '[ERROR]')
        self.assertIn(d, 'twisted.doesntexist')
        return d


    def test_nonexistentPackage(self):
        d = self.runTrial('doesntexist')
        self.assertIn(d, 'doesntexist')
        self.assertIn(d, 'ModuleNotFound')
        self.assertIn(d, '[ERROR]')
        return d


    def test_nonexistentPackageWithModule(self):
        d = self.runTrial('doesntexist.barney')
        self.assertIn(d, 'doesntexist.barney')
        self.assertIn(d, 'ObjectNotFound')
        self.assertIn(d, '[ERROR]')
        return d


    def test_badpackage(self):
        d = self.runTrial('badpackage')
        self.assertIn(d, '[ERROR]')
        self.assertIn(d, 'badpackage')
        self.assertNotIn(d, 'IOError')
        return d


    def test_moduleInBadpackage(self):
        d = self.runTrial('badpackage.test_module')
        self.assertIn(d, "[ERROR]")
        self.assertIn(d, "badpackage.test_module")
        self.assertNotIn(d, 'IOError')
        return d


    def test_badmodule(self):
        d = self.runTrial('package.test_bad_module')
        self.assertIn(d, '[ERROR]')
        self.assertIn(d, 'package.test_bad_module')
        self.assertNotIn(d, 'IOError')
        self.assertNotIn(d, '<module ')
        return d


    def test_badimport(self):
        d = self.runTrial('package.test_import_module')
        self.assertIn(d, '[ERROR]')
        self.assertIn(d, 'package.test_import_module')
        self.assertNotIn(d, 'IOError')
        self.assertNotIn(d, '<module ')
        return d


    def test_recurseImport(self):
        d = self.runTrial('package')
        self.assertIn(d, '[ERROR]')
        self.assertIn(d, 'test_bad_module')
        self.assertIn(d, 'test_import_module')
        self.assertNotIn(d, '<module ')
        self.assertNotIn(d, 'IOError')
        return d


    def test_recurseImportErrors(self):
        d = self.runTrial('package2')
        self.assertIn(d, '[ERROR]')
        self.assertIn(d, 'package2')
        self.assertIn(d, 'test_module')
        self.assertIn(d, _noModuleError)
        self.assertNotIn(d, '<module ')
        self.assertNotIn(d, 'IOError')
        return d


    def test_nonRecurseImportErrors(self):
        d = self.runTrial('-N', 'package2')
        self.assertIn(d, '[ERROR]')
        self.assertIn(d, _noModuleError)
        self.assertNotIn(d, '<module ')
        return d


    def test_regularRun(self):
        d = self.runTrial('package.test_module')
        self.assertNotIn(d, '[ERROR]')
        self.assertNotIn(d, 'IOError')
        self.assertIn(d, 'OK')
        self.assertIn(d, 'PASSED (successes=1)')
        return d


    def test_filename(self):
        self.mangleSysPath(self.oldPath)
        d = self.runTrial(
            os.path.join(self.parent, 'package', 'test_module.py'))
        self.assertNotIn(d, '[ERROR]')
        self.assertNotIn(d, 'IOError')
        self.assertIn(d, 'OK')
        self.assertIn(d, 'PASSED (successes=1)')
        return d


    def test_dosFile(self):
        ## XXX -- not really an output test, more of a script test
        self.mangleSysPath(self.oldPath)
        d = self.runTrial(
            os.path.join(self.parent,
                         'package', 'test_dos_module.py'))
        self.assertNotIn(d, '[ERROR]')
        self.assertNotIn(d, 'IOError')
        self.assertIn(d, 'OK')
        self.assertIn(d, 'PASSED (successes=1)')
        return d

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