KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use magic_wrap method in tavern

Best Python code snippet using tavern

test_utilities.py

Source:test_utilities.py

...315            os.remove(f.name)316class TestLoadFile:317    @staticmethod318    @contextlib.contextmanager319    def magic_wrap(to_wrap, suffix):320        with tempfile.NamedTemporaryFile(suffix=suffix, delete=False) as wrapped_tmp:321            dumped = yaml.dump(to_wrap, default_flow_style=False)322            wrapped_tmp.write(dumped.encode("utf8"))323            wrapped_tmp.close()324            try:325                yield wrapped_tmp.name326            finally:327                os.remove(wrapped_tmp.name)328    @pytest.mark.parametrize("suffix", (".yaml", ".yml", ".json"))329    def test_load_extensions(self, suffix):330        example = {"a": "b"}331        with TestLoadFile.magic_wrap(example, suffix) as tmpfile:332            with patch("tavern.util.loader.os.path.join", return_value=tmpfile):333                assert example == construct_include(Mock(), Mock())334    def test_load_bad_extension(self):335        example = {"a": "b"}336        with TestLoadFile.magic_wrap(example, ".bllakjf") as tmpfile:337            with patch("tavern.util.loader.os.path.join", return_value=tmpfile):338                with pytest.raises(exceptions.BadSchemaError):339                    construct_include(Mock(), Mock())340    def test_include_path(self):341        example = {"a": "b"}342        with TestLoadFile.magic_wrap(example, ".yaml") as tmpfile:343            tmppath, tmpfilename = os.path.split(tmpfile)344            with pytest.raises(exceptions.BadSchemaError):345                construct_include(346                    Mock(347                        _root="/does-not-exist", construct_scalar=lambda x: tmpfilename348                    ),349                    Mock(),350                )351            with patch("tavern.util.loader.IncludeLoader.env_path_list", None):352                assert example == construct_include(353                    Mock(_root=tmppath, construct_scalar=lambda x: tmpfilename), Mock()354                )355            os.environ[IncludeLoader.env_var_name] = tmppath356            with patch("tavern.util.loader.IncludeLoader.env_path_list", None):...

selectors.py

Source:selectors.py

1"""2Helpers to pick a selector based on its contents.3Typically used before injecting data to the bus, when the selector has not4already been determined by user-input or by the agent..5To use this module to pick a selector, import the following module:6from rebus.tools.selector import guess_selector7Then call guess_selector(fname, buf, label)8To register a new function that can guess selectors, use the following9construct:10from rebus.tools import selectors11@selectors.register12def my_function(fname, buf, label, magic_txt, default_selector):13    if is_foobar(value):14       return 10, "/foobar"15"""16import struct17from rebus.tools import magic_wrap18_guess_functions = []19def register(f):20    """21    The expected return value for such registered guessing function is either:22    * None, meaning no type could be guessed by this function23    * (score: int, selector: str) having score > 0. If several guessing24      functions return a selector, then one of the selectors having the highest25      confidence score is chosen.26    Expected signature for registered functions:27    :param magic_txt: string returned by the "magic" module28    :param label: descriptor's label29    :param default_selector: selector that has been determined by rebus'30        default method, _default_guess31    :param value: descriptor's value32    """33    _guess_functions.append(f)34    return f35def guess_selector(fname=None, buf=None, label=None):36    """37    Called by agents that want to pick a selector.38    :param fname: local file name39    :param buf: descriptor contents as str40    :param label: descriptor label41    """42    if fname is not None:43        magic_txt = magic_wrap.from_file(fname)44    elif buf is not None:45        magic_txt = magic_wrap.from_buffer(buf)46    else:47        raise Exception("Either fname or buffer must be set when calling "48                        "guess_selector.")49    default_selector = selector = _default_guess(fname, buf, label, magic_txt)50    score = 051    for guess_fun in _guess_functions:52        res = guess_fun(fname, buf, label, magic_txt, default_selector)53        if res:54            new_score, new_selector = res55            if new_score > score:56                selector = new_selector57                score = new_score58    return selector59def _default_guess(fname=None, buf=None, label=None, magic_txt=""):60    """61    Contains common selector determination functions. Agents that want to pick62    a selector should call guess_selector instead.63    """64    # Executable files65    if ".Net" in magic_txt:66        return "/binary/net"67    if "ELF" in magic_txt and ("sharedobject" in magic_txt or68                               "executable" in magic_txt):69        return "/binary/elf"70    if "executable" in magic_txt and "PE32" in magic_txt:71        return "/binary/pe"72    if "DOS" in magic_txt:73        # libmagic is a bit buggy74        # make sure it's not a PE75        try:76            if fname is not None:77                buf = open(fname).read()78            if buf is not None:79                # MZ.e_lfanew80                e_lfanew = struct.unpack('<I', buf[0x3C:0x3C+4])[0]81                if buf[e_lfanew:e_lfanew+4] == "PE\x00\x00":82                    return "/binary/pe"83        except:84            return "/binary/dos"85        return "/binary/dos"86    if "Mach-O" in magic_txt:87        return "/binary/macho"88    # Compressed files89    if "gzip compressed data" in magic_txt:90        return "/compressed/gzip"91    if "bzip2 compressed data" in magic_txt:92        return "/compressed/bzip2"93    # Archive files94    if "POSIX tar archive" in magic_txt:95        return "/archive/tar"96    if "Zip archive data" in magic_txt:97        return "/archive/zip"98    if "Microsoft Cabinet archive data" in magic_txt:99        return "/archive/cab"100    if "Java Jar file data" in magic_txt:101        return "/archive/jar"102    if "RAR archive data" in magic_txt:103        return "/archive/rar"104    # E-mails105    if 'Composite Document File V2 Document' in magic_txt:106        if label and label.endswith('.msg'):107            return "/email/msg"108    if 'ASCII text' in magic_txt:109        if label and label.endswith('.eml'):110            return '/email/eml'111        # TODO peek at contents & grep headers to identify e-mail?112    if 'RFC 822 mail, ASCII text' in magic_txt:113        return '/email/eml'114    if 'SMTP mail, ASCII text' in magic_txt:115        return '/email/eml'116    # Documents117    if 'PDF document, version' in magic_txt:118        return "/document/pdf"119    if 'Rich Text Format' in magic_txt:120        return "/document/rtf"121    if 'Microsoft Word 2007+' in magic_txt:122        return "/document/msoffice/docx"123    if 'Microsoft Excel 2007+' in magic_txt:124        return "/document/msoffice/xlsx"125    if 'Microsoft PowerPoint 2007+' in magic_txt:126        return "/document/msoffice/pptx"127    if ('Composite Document File V2 Document' in magic_txt or128            'Microsoft OOXML' in magic_txt):129        if 'MSI Installer' in magic_txt:130            return "/binary/msi"131        if 'Microsoft Excel' in magic_txt:132            return "/document/msoffice/xls"133        if 'Microsoft PowerPoint' in magic_txt:134            return "/document/msoffice/ppt"135        if label:136            if label.endswith('.ppt'):137                return "/document/msoffice/ppt"138            if label.endswith('.pptx'):139                return "/document/msoffice/pptx"140            if label.endswith('.xls'):141                return "/document/msoffice/xls"142            if label.endswith('.xlsx'):143                return "/document/msoffice/xlsx"144            if label.endswith('.doc'):145                return "/document/msoffice/doc"146            if label.endswith('.docx'):147                return "/document/msoffice/docx"148        return "/document/msoffice/doc"149    # ASCII text150    if 'ASCII text' in magic_txt:151        return "/text/ascii"...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.