Example #1
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def run(capsys, *args):
    with pytest.raises(SystemExit) as exc:
        main(args)

    out, err = capsys.readouterr()

    return exc.value.code, out, err
Example #2
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def test_no_differences(capsys):
    args = [TEST_TAR1_PATH, TEST_TAR1_PATH]
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 0
    out, err = capsys.readouterr()
    assert err == ''
    assert out == ''
Example #3
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def test_html_option_with_stdout(capsys):
    args = ['--html', '-', TEST_TAR1_PATH, TEST_TAR2_PATH]
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 1
    out, err = capsys.readouterr()
    assert err == ''
    assert 'meta name="generator" content="diffoscope"' in out
Example #4
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def test_non_existing_right_with_new_file(capsys):
    args = ['--new-file', __file__, '/nonexisting2']
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 1
    out, err = capsys.readouterr()
    assert ('--- %s' % __file__) in out
    assert '+++ /nonexisting2' in out
Example #5
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def test_no_report_option(capsys):
    args = [TEST_TAR1_PATH, TEST_TAR2_PATH]
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 1
    out, err = capsys.readouterr()
    assert err == ''
    assert out.startswith('--- ')
Example #6
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def test_text_option_with_stdiout(capsys):
    args = ['--text', '-', TEST_TAR1_PATH, TEST_TAR2_PATH]
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 1
    out, err = capsys.readouterr()
    assert err == ''
    assert out.startswith('--- ')
Example #7
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def test_non_existing_files(capsys):
    args = '/nonexisting1 /nonexisting2'
    with pytest.raises(SystemExit) as excinfo:
        main(args.split())
    assert excinfo.value.code == 2
    out, err = capsys.readouterr()
    assert '/nonexisting1: No such file or directory' in err
    assert '/nonexisting2: No such file or directory' in err
Example #8
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def run(capsys, *args, pair=('test1.tar', 'test2.tar')):
    with pytest.raises(SystemExit) as exc, cwd_data():
        main(args + pair)
    out, err = capsys.readouterr()

    assert err == ''
    assert exc.value.code == 1
    return out
Example #9
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def test_list_tools(capsys):
    args = ['--list-tools']
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 0
    out, err = capsys.readouterr()
    assert err == ''
    assert 'External tools required:' in out
    assert 'xxd,' in out
Example #10
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def test_non_existing_files_with_new_file(capsys):
    args = ['--new-file', '/nonexisting1', '/nonexisting2']
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 1
    out, err = capsys.readouterr()
    assert '--- /nonexisting1' in out
    assert '+++ /nonexisting2' in out
    assert 'Trying to compare two non-existing files.' in out
Example #11
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def run_read_write(capsys, diff, *args):
    with pytest.raises(SystemExit) as exc, cwd_data():
        main(args + (diff, ))

    out, err = capsys.readouterr()

    assert err == ''
    assert exc.value.code == 1
    assert out == get_data(diff)  # presented-output is same as parsed-input
    return out
Example #12
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def run(capsys, *args):
    with pytest.raises(SystemExit) as exc:
        main(args + tuple(
            os.path.join(os.path.dirname(__file__), 'data', x)
            for x in ('test1.tar', 'test2.tar')))

    out, err = capsys.readouterr()

    assert err == ''

    return exc.value.code, out
Example #13
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def test_text_option_with_file(tmpdir, capsys):
    report_path = str(tmpdir.join('report.txt'))
    args = ['--text', report_path, TEST_TAR1_PATH, TEST_TAR2_PATH]
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 1
    out, err = capsys.readouterr()
    assert err == ''
    assert out == ''
    with open(report_path, 'r', encoding='utf-8') as f:
        assert f.read().startswith('--- ')
Example #14
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def test_html_option_with_file(tmpdir, capsys):
    report_path = str(tmpdir.join('report.html'))
    args = ['--html', report_path, TEST_TAR1_PATH, TEST_TAR2_PATH]
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    assert excinfo.value.code == 1
    out, err = capsys.readouterr()
    assert err == ''
    assert out == ''
    with open(report_path, 'r', encoding='utf-8') as f:
        assert 'meta name="generator" content="diffoscope"' in f.read()
Example #15
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def test_ctrl_c_handling(tmpdir, monkeypatch, capsys):
    args = [TEST_TAR1_PATH, TEST_TAR2_PATH]
    monkeypatch.setattr('tempfile.tempdir', str(tmpdir))
    def interrupt(*args):
        raise KeyboardInterrupt
    monkeypatch.setattr('diffoscope.comparators.text.TextFile.compare', interrupt)
    with pytest.raises(SystemExit) as excinfo:
        main(args)
    out, err = capsys.readouterr()
    assert '' in err
    assert excinfo.value.code == 2
    assert os.listdir(str(tmpdir)) == []
Example #16
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def test_remove_temp_files_on_sigterm(tmpdir, monkeypatch):
    args = [TEST_TAR1_PATH, TEST_TAR2_PATH]
    pid = os.fork()
    if pid == 0:
        def suicide(*args):
            os.kill(os.getpid(), signal.SIGTERM)
        monkeypatch.setattr('diffoscope.comparators.text.TextFile.compare', suicide)
        tempfile.tempdir = str(tmpdir)
        with pytest.raises(SystemExit) as excinfo:
            main(args)
        os._exit(excinfo.value.code)
    else:
        _, ret = os.waitpid(pid, 0)
        assert (ret >> 8) == 2 # having received SIGTERM is trouble
        assert os.listdir(str(tmpdir)) == []
Example #17
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def run(capsys, *args):
    with pytest.raises(SystemExit) as exc:
        prev = os.getcwd()
        os.chdir(DATA_DIR)

        try:
            main(args + ('test1.tar', 'test2.tar'))
        finally:
            os.chdir(prev)

    out, err = capsys.readouterr()

    assert err == ''
    assert exc.value.code == 1

    return out