How to use ensure_topdir method in pytest-cov

Best Python code snippet using pytest-cov

engine.py

Source:engine.py

...23        setattr(obj, attr, copy.copy(backup))24        yield25    finally:26        setattr(obj, attr, backup)27def _ensure_topdir(meth):28    @functools.wraps(meth)29    def ensure_topdir_wrapper(self, *args, **kwargs):30        try:31            original_cwd = os.getcwd()32        except OSError:33            # Looks like it's gone, this is non-ideal because a side-effect will34            # be introduced in the tests here but we can't do anything about it.35            original_cwd = None36        os.chdir(self.topdir)37        try:38            return meth(self, *args, **kwargs)39        finally:40            if original_cwd is not None:41                os.chdir(original_cwd)42    return ensure_topdir_wrapper43class CovController(object):44    """Base class for different plugin implementations."""45    def __init__(self, cov_source, cov_report, cov_config, cov_append, cov_branch, config=None, nodeid=None):46        """Get some common config used by multiple derived classes."""47        self.cov_source = cov_source48        self.cov_report = cov_report49        self.cov_config = cov_config50        self.cov_append = cov_append51        self.cov_branch = cov_branch52        self.config = config53        self.nodeid = nodeid54        self.cov = None55        self.combining_cov = None56        self.data_file = None57        self.node_descs = set()58        self.failed_workers = []59        self.topdir = os.getcwd()60        self.is_collocated = None61    @contextlib.contextmanager62    def ensure_topdir(self):63        original_cwd = os.getcwd()64        os.chdir(self.topdir)65        yield66        os.chdir(original_cwd)67    @_ensure_topdir68    def pause(self):69        self.cov.stop()70        self.unset_env()71    @_ensure_topdir72    def resume(self):73        self.cov.start()74        self.set_env()75    @_ensure_topdir76    def set_env(self):...

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.