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How to use tapItem method in fMBT

Best Python code snippet using fMBT_python

tap.py

Source:tap.py

1# -*- coding: utf-8 -*-2'''3This module provide test runners for JS in Django.4'''5from __future__ import unicode_literals6import re7from django.utils import termcolors8from django.utils.encoding import python_2_unicode_compatible9green = termcolors.make_style(fg='green', opts=('bold',))10red = termcolors.make_style(fg='red', opts=('bold',))11# TAP regex12TAP_MODULE_REGEX = re.compile(r'^(?P<indent>\s*)# module: (?P<name>.*)$')13TAP_TEST_REGEX = re.compile(r'^(?P<indent>\s*)# test: (?P<name>.*)$')14TAP_ASSERTION_REGEX = re.compile(r'^(?P<indent>\s*)(?P<type>(?:not )?ok) (?P<num>\d+)(?: - (?P<details>.*))?$')15TAP_STACK_REGEX = re.compile(r'^(?P<indent>\s*)#\s+at\s+(?P<stack>.*)$')16TAP_END_REGEX = re.compile(r'^(?P<indent>\s*)(?P<start>\d+)\.\.(?P<end>\d+)(?: - (?P<details>.*))?$')17TAP_DETAILS_REGEX = re.compile(18    r'''^(?:(?P<message>(?!expected)(?!got)(?!matcher)(?!source).+?)(?:, )?)?'''19    r'''(?:expected: '(?P<expected>.+)', got: '(?P<got>.+?)'(?:, )?)?'''20    r'''(?:matcher: '(?P<matcher>.+?)'(?:, )?)?'''21    r'''(?:source:\s+at\s+(?P<source>.+?))?$''')22# Output format23INDENT = 424DEFAULT_ENCODING = 'utf-8'25class TapItem(object):26    parent = None27    parsed_indent = ''28    @property29    def indent(self):30        if self.parent and isinstance(self.parent, TapItem):31            if isinstance(self.parent, TapModule):32                return self.parent.indent + ' ' * INDENT33            else:34                return self.parent.indent35        return ''36@python_2_unicode_compatible37class TapGroup(list, TapItem):38    def __init__(self, name='', parent=None, parsed_indent='', *args, **kwargs):39        super(TapGroup, self).__init__(*args, **kwargs)40        self.name = name41        self.parent = parent42        self.parsed_indent = parsed_indent43    def __str__(self):44        return '# Groupe %s' % self.name45    def __nonzero__(self):46        return True47    def __bool__(self):48        return True49    def append(self, item):50        if isinstance(item, (TapGroup, TapAssertion)) and not item.parent:51            item.parent = self52        super(TapGroup, self).append(item)53    def get_all_failures(self):54        failures = []55        for item in self:56            if isinstance(item, TapGroup):57                failures.extend(item.get_all_failures())58            elif isinstance(item, TapAssertion) and not item.success:59                failures.append(item)60        return failures61@python_2_unicode_compatible62class TapModule(TapGroup):63    def display(self):64        return '%s%s' % (self.indent, self.name)65    def __str__(self):66        return '# module: %s' % self.name67    @classmethod68    def parse(cls, line):69        match = TAP_MODULE_REGEX.match(line.rstrip())70        if match:71            return cls(72                match.group('name').strip(),73                parsed_indent=match.group('indent')74            )75        else:76            return None77@python_2_unicode_compatible78class TapTest(TapGroup):79    def display(self):80        assertions = [result.display(True) for result in self]81        if assertions:82            return '%s%s (%s)' % (self.indent, self.name, ' '.join(assertions))83        else:84            return '%s%s' % (self.indent, self.name)85    def __str__(self):86        return '# test: %s' % self.name87    @classmethod88    def parse(cls, line):89        match = TAP_TEST_REGEX.match(line.rstrip())90        if match:91            return cls(match.group('name').strip(), parsed_indent=match.group('indent'))92        else:93            return None94@python_2_unicode_compatible95class TapAssertion(TapItem):96    def __init__(self, num, success=True, message=None, parsed_indent='', *args, **kwargs):97        super(TapAssertion, self).__init__()98        self.num = num99        self.success = success100        self.message = message101        self.expected = None102        self.got = None103        self.matcher = None104        self.stack = []105        self.parsed_indent = parsed_indent106    def display(self, inline=False):107        if inline:108            return green('ok') if self.success else red('ko')109        else:110            text = self.indent111            if self.success:112                text += green('ok %s' % self.num)113            else:114                text += red('not ok %s' % self.num)115            text = '%s - %s' % (text, self.message) if self.message else text116            if self.expected is not None and self.got is not None:117                text = '\n'.join([text, '# expected: %s' % self.expected, '# got: %s' % self.got])118            if self.stack:119                text = '\n'.join([text] + ['# stack: %s' % line for line in self.stack])120            return text121    def __str__(self):122        return 'ok %s' % self.num if self.success else 'not ok %s' % self.num123    @classmethod124    def parse(cls, line):125        match = TAP_ASSERTION_REGEX.match(line.rstrip())126        if match:127            assertion = cls(128                int(match.group('num')),129                match.group('type') == 'ok',130                parsed_indent=match.group('indent')131            )132            if match.group('details'):133                details_match = TAP_DETAILS_REGEX.match(match.group('details'))134                if details_match and details_match.group('message'):135                    assertion.message = details_match.group('message')136                if details_match and details_match.group('expected'):137                    assertion.expected = details_match.group('expected')138                    assertion.got = details_match.group('got')139                if details_match and details_match.group('matcher'):140                    assertion.matcher = details_match.group('matcher')141                if details_match and details_match.group('source'):142                    assertion.stack = [details_match.group('source')]143            return assertion144        else:145            return None146HIERARCHY = (147    TapModule,148    TapTest,149    TapAssertion,150)151def hierarchy(item):152    if not isinstance(item, TapItem):153        raise ValueError('Item should be a TapItem')154    return HIERARCHY.index(item.__class__)155class TapParser(object):156    '''157    A TAP parser class reading from iterable TAP lines.158    '''159    def __init__(self, yield_class=TapTest, debug=False):160        if not issubclass(yield_class, TapItem):161            raise ValueError('yield class should extend TapItem')162        self.suites = TapGroup()163        self.current = self.suites164        self.yield_class = yield_class165        self.debug = debug166    def parse(self, lines):167        for line in lines:168            for item in self.parse_line(line):169                yield item170        for item in self.get_lasts():171            yield item172    def parse_line(self, line):173        item = TapModule.parse(line) or TapTest.parse(line) or TapAssertion.parse(line)174        if item is not None:175            return self.set_current(item)176        match = TAP_STACK_REGEX.match(line.rstrip())177        if match:178            self.current.stack.append(match.group('stack'))179            return []180        match = TAP_END_REGEX.match(line.rstrip())181        if match and self.debug:182            print('# end %s-%s' % (match.group('start'), match.group('end')))183            return []184        if line and self.debug:185            print('not matched: %s' % line)186        return []187    def set_current(self, item=None):188        if item and not isinstance(item, TapItem):189            raise ValueError('Should be a TAP item')190        ended = []191        while self.current.parent and hierarchy(item) < hierarchy(self.current):192            if isinstance(self.current, self.yield_class):193                ended.append(self.current)194            self.current = self.current.parent195        while self.current.parent \196                and hierarchy(item) == hierarchy(self.current) \197                and len(item.parsed_indent) <= len(self.current.parsed_indent):198            if isinstance(self.current, self.yield_class):199                ended.append(self.current)200            self.current = self.current.parent201        self.current.append(item)202        self.current = item203        if hierarchy(self.current) < HIERARCHY.index(self.yield_class):204            ended.append(self.current)205        return ended206    def get_lasts(self):207        lasts = []208        while isinstance(self.current, TapItem) and self.current.parent:209            if isinstance(self.current, self.yield_class):210                lasts.append(self.current)211            self.current = self.current.parent...

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