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How to use record_branch method in hypothesis

Best Python code snippet using hypothesis

coverage.py

...44IN_COVERAGE_TESTS = os.getenv('HYPOTHESIS_INTERNAL_COVERAGE') == 'true'45if IN_COVERAGE_TESTS:46    log = open('branch-check', 'w')47    written = set()48    def record_branch(name, value):49        key = (name, value)50        if key in written:51            return52        written.add(key)53        log.write(54            json.dumps({'name': name, 'value': value})55        )56        log.write('\n')57        log.flush()58    description_stack = []59    @contextmanager60    def check_block(name, depth):61        # We add an extra two callers to the stack: One for the contextmanager62        # function, one for our actual caller, so we want to go two extra63        # stack frames up.64        caller = sys._getframe(depth + 2)65        local_description = '%s at %s:%d' % (66            name,67            pretty_file_name(caller.f_code.co_filename),68            caller.f_lineno,69        )70        try:71            description_stack.append(local_description)72            description = ' in '.join(reversed(description_stack)) + ' passed'73            yield74            record_branch(description, True)75        except:76            record_branch(description, False)77            raise78        finally:79            description_stack.pop()80    @contextmanager81    def check(name):82        with check_block(name, 2):83            yield84    def check_function(f):85        @proxies(f)86        def accept(*args, **kwargs):87            # depth of 2 because of the proxy function calling us.88            with check_block(f.__name__, 2):89                return f(*args, **kwargs)90        return accept...

branchcheck.py

Source: branchcheck.py

...42    return result43if os.getenv('HYPOTHESIS_INTERNAL_BRANCH_CHECK') == 'true':44    log = open('branch-check', 'w')45    written = set()46    def record_branch(name, value):47        key = (name, value)48        if key in written:49            return50        written.add(key)51        log.write(52            json.dumps({'name': name, 'value': value})53        )54        log.write('\n')55        log.flush()56    def check_function(f):57        @proxies(f)58        def accept(*args, **kwargs):59            # 0 is here, 1 is the proxy function, 2 is where we were actually60            # called from.61            caller = sys._getframe(2)62            description = '%s:%d, %s passed' % (63                pretty_file_name(caller.f_code.co_filename),64                caller.f_lineno, f.__name__,65            )66            try:67                result = f(*args, **kwargs)68                record_branch(description, True)69                return result70            except:71                record_branch(description, False)72                raise73        return accept74else:75    def check_function(f):...

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