def test_perform_ast_include_errors(file_name, fake_open):
    files = {
        'missing.inc': dedent(
            """
            run just_a_command
            commands-from-file really_missing.inc
            """
        ).lstrip(),
        'simple_loop': dedent(
            """
            # a simple include loop
            commands-from-file simple_loop
            """
        ).lstrip(),
        'nested_loop1': dedent(
            """
            # a nested include loop file 1
            commands-from-file nested_loop2
            """
        ).lstrip(),
        'nested_loop2': dedent(
            """
            # a nested include loop file 2
            commands-from-file nested_loop1
            """
        ).lstrip(),
        'script_nested_loop1': dedent(
            """
            # a nested loop via script file 1
            commands-from-shell \
              echo commands-from-file script_nested_loop2
            """
        ).lstrip(),
        'script_nested_loop2': dedent(
            """
            # a nested lopp via script file 2
            commands-from-file script_nested_loop1
            """
        ).lstrip(),
    }
    asts_contexts = (
        (
            lines_to_ast(
                StringIO('commands-from-file simple_missing.inc'),
                file_name
            ),
            context(file_name, 1),
        ),
        (
            lines_to_ast(StringIO('commands-from-file missing.inc')),
            context('missing.inc', 2),
        ),
        (
            lines_to_ast(StringIO('commands-from-file simple_loop')),
            context('simple_loop', 2),
        ),
        (
            lines_to_ast(StringIO('commands-from-file nested_loop1')),
            context('nested_loop2', 2),
        ),
        (
            lines_to_ast(StringIO('commands-from-file script_nested_loop1')),
            context('script_nested_loop2', 2),
        ),
    )
    for ast, ctx in asts_contexts:
        with pytest.raises(VirtSyntaxError) as err:
            with fake_open(files):
                t = tuple(perform_ast_includes(ast))
                print(t)
        assert ctx == err.value.context
def test_perform_ast_includes(file_name, fake_open):
    files = {
        'file1.inc': dedent(
            """
            run /file1/arg1
            write /file1/arg2:long\\
            input
            """
        ).lstrip(),
        'incdir/file2.inc': dedent(
            """
            # file2 comment
            run /file2/script
            commands-from-file file3.inc
            commands-from-shell \\
                echo "# shell ctx: $VIRT_COMMAND_FILE ($VIRT_COMMAND_LINE)" \\
                echo "root-password password:foo"
            write /last/file2:command
            """
        ).lstrip(),
        'incdir/file3.inc': dedent(
            """
            # file3 comment
            run file3_command
            """
        ).lstrip(),
        'file4': dedent(
            """
            # will be included from script
            """
        ).lstrip(),
    }
    ast = lines_to_ast(StringIO(dedent(
        """
        # The main AST
        commands-from-file file1.inc
        commands-from-file incdir/file2.inc
        commands-from-shell \\
            echo "# shell comment" \\
            echo commands-from-file file4
        selinux-relabel
        """
    ).lstrip()), context_file=file_name)
    expected = (
        comment(' The main AST', context(file_name, 1)),
        # commands-from-file file1.inc
        command('run', '/file1/arg1', context('file1.inc', 1)),
        command('write', '/file1/arg2:long\ninput', context('file1.inc', 2)),
        # commands-from-file file2.inc
        comment(' file2 comment', context('incdir/file2.inc', 1)),
        command('run', '/file2/script', context('incdir/file2.inc', 2)),
        # commands-from-file file3.inc (in file2)
        comment(' file3 comment', context('incdir/file3.inc', 1)),
        command('run', 'file3_command', context('incdir/file3.inc', 2)),
        # commands-from-shell (in file2)
        comment(
            " shell ctx: incdir/file2.inc (4)",
            nested_context(
                'script<incdir/file2.inc (4)>', 1,
                context('incdir/file2.inc', 4)
            )
        ),
        command(
            'root-password', 'password:foo',
            nested_context(
                'script<incdir/file2.inc (4)>', 2,
                context('incdir/file2.inc', 4)
            )
        ),
        # back to file2
        command(
            'write', '/last/file2:command',
            context('incdir/file2.inc', 7)
        ),
        # commands-from-shell (in main ast)
        comment(
            " shell comment",
            nested_context(
                'script<{0} (4)>'.format(file_name), 1,
                context(file_name, 4)
            ),
        ),
        # commands-from-file file4
        comment(' will be included from script', context('file4', 1)),
        # back to main
        command('selinux-relabel', None, context(file_name, 7)),
    )
    with fake_open(files):
        result = tuple(perform_ast_includes(ast))
    assert expected == result