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How to use dump_ivariants method in avocado

Best Python code snippet using avocado_python

varianter.py

Source:varianter.py

...94        fmt = '    %%-%ds => %%s' % max([len(_[0]) for _ in env])95        for record in sorted(env):96            out.append(fmt % record)97    return out98def dump_ivariants(ivariants):99    """100    Walks the iterable variants and dumps them into json-serializable object101    """102    def dump_tree_node(node):103        """104        Turns TreeNode-like object into tuple(path, env_representation)105        """106        return (astring.to_text(node.path),107                [(astring.to_text(node.environment.origin[key].path),108                  astring.to_text(key), value)109                 for key, value in node.environment.items()])110    variants = []111    for variant in ivariants():112        safe_variant = {}113        safe_variant["paths"] = [astring.to_text(pth)114                                 for pth in variant.get("paths")]115        safe_variant["variant_id"] = variant.get("variant_id")116        safe_variant["variant"] = [dump_tree_node(_)117                                   for _ in variant.get("variant", [])]118        variants.append(safe_variant)119    return variants120class FakeVariantDispatcher:121    """122    This object can act instead of VarianterDispatcher to report loaded123    variants.124    """125    def __init__(self, state):126        for variant in state:127            variant["variant"] = [tree.TreeNodeEnvOnly(path, env)128                                  for path, env in variant["variant"]]129        self.variants = state130    def map_method_with_return(self, method, *args, **kwargs):131        """132        Reports list containing one result of map_method on self133        """134        if hasattr(self, method):135            return [getattr(self, method)(*args, **kwargs)]136        else:137            return []138    def to_str(self, summary=0, variants=0, **kwargs):  # pylint: disable=W0613139        if not self.variants:140            return ""141        out = []142        for variant in self.variants:143            paths = ', '.join([x.path for x in variant["variant"]])144            out.append('\nVariant %s:    %s' % (variant["variant_id"],145                                                paths))146            env = set()147            for node in variant["variant"]:148                for key, value in node.environment.items():149                    origin = node.environment.origin[key].path150                    env.add(("%s:%s" % (origin, key), astring.to_text(value)))151            if not env:152                continue153            fmt = '    %%-%ds => %%s' % max([len(_[0]) for _ in env])154            for record in sorted(env):155                out.append(fmt % record)156        return "\n".join(out)157    def __iter__(self):158        return iter(self.variants)159    def __len__(self):160        return sum(1 for _ in self)161class Varianter:162    """163    This object takes care of producing test variants164    """165    def __init__(self, debug=False, state=None):166        """167        :param debug: Store whether this instance should debug varianter168        :param state: Force-varianter state169        :note: it's necessary to check whether variants debug is enable170               in order to provide the right results.171        """172        if state is None:173            self.debug = debug174            self.node_class = tree.TreeNodeDebug if debug else tree.TreeNode175            self._variant_plugins = dispatcher.VarianterDispatcher()176            self._no_variants = None177        else:178            self.load(state)179    def parse(self, config):180        """181        Apply options defined on the cmdline and initialize the plugins.182        :param config: Configuration received from configuration files, command183                       line parser, etc.184        :type config: dict185        """186        self._variant_plugins.map_method_with_return("initialize", config)187        self._no_variants = sum(self._variant_plugins.map_method_with_return("__len__"))188    def is_parsed(self):189        """190        Reports whether the varianter was already parsed191        """192        return self._no_variants is not None193    def to_str(self, summary=0, variants=0, **kwargs):194        """195        Return human readable representation196        The summary/variants accepts verbosity where 0 means do not display197        at all and maximum is up to the plugin.198        :param summary: How verbose summary to output (int)199        :param variants: How verbose list of variants to output (int)200        :param kwargs: Other free-form arguments201        :rtype: str202        """203        if self._no_variants == 0:  # No variants204            return ""205        out = [item for item in self._variant_plugins.map_method_with_return("to_str",206                                                                             summary,207                                                                             variants,208                                                                             **kwargs)209               if item]210        return "\n\n".join(out)211    def get_number_of_tests(self, test_suite):212        """213        :return: overall number of tests * number of variants214        """215        # Currently number of tests is symmetrical216        if self._no_variants:217            return len(test_suite) * self._no_variants218        else:219            return len(test_suite)220    def dump(self):221        """222        Dump the variants in loadable-state223        This is lossy representation which takes all yielded variants and224        replaces the list of nodes with TreeNodeEnvOnly representations::225            [{'path': path,226              'variant_id': variant_id,227              'variant': dump_tree_nodes(original_variant)},228             {'path': [str, str, ...],229              'variant_id': str,230              'variant': [(str, [(str, str, object), ...])],231             {'path': ['/run/*'],232              'variant_id': 'cat-26c0'233              'variant': [('/pig/cat',234                           [('/pig', 'ant', 'fox'),235                            ('/pig/cat', 'dog', 'bee')])]}236             ...]237        where `dump_tree_nodes` looks like::238            [(node.path, environment_representation),239             (node.path, [(path1, key1, value1), (path2, key2, value2), ...]),240             ('/pig/cat', [('/pig', 'ant', 'fox')])241        :return: loadable Varianter representation242        """243        if not self.is_parsed():244            raise NotImplementedError("Dumping Varianter state before "245                                      "multiplexation is not supported.")246        return dump_ivariants(self.itertests)247    def load(self, state):248        """249        Load the variants state250        Current implementation supports loading from a list of loadable251        variants. It replaces the VariantDispatcher with fake implementation252        which reports the loaded (and initialized) variants.253        :param state: loadable Varianter representation254        """255        self.debug = False256        self.node_class = tree.TreeNode257        self._variant_plugins = FakeVariantDispatcher(state)258        self._no_variants = sum(self._variant_plugins.map_method_with_return("__len__"))259    def itertests(self):260        """...

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