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How to use resolve_fixture_function method in Pytest

Best Python code snippet using pytest

fixtures.py

Source:fixtures.py

...778            self.argname,779            self.scope,780            self.baseid,781        )782def resolve_fixture_function(fixturedef, request):783    """Gets the actual callable that can be called to obtain the fixture value, dealing with unittest-specific784    instances and bound methods.785    """786    fixturefunc = fixturedef.func787    if fixturedef.unittest:788        if request.instance is not None:789            # bind the unbound method to the TestCase instance790            fixturefunc = fixturedef.func.__get__(request.instance)791    else:792        # the fixture function needs to be bound to the actual793        # request.instance so that code working with "fixturedef" behaves794        # as expected.795        if request.instance is not None:796            fixturefunc = getimfunc(fixturedef.func)797            if fixturefunc != fixturedef.func:798                fixturefunc = fixturefunc.__get__(request.instance)799    return fixturefunc800def pytest_fixture_setup(fixturedef, request):801    """ Execution of fixture setup. """802    kwargs = {}803    for argname in fixturedef.argnames:804        fixdef = request._get_active_fixturedef(argname)805        result, arg_cache_key, exc = fixdef.cached_result806        request._check_scope(argname, request.scope, fixdef.scope)807        kwargs[argname] = result808    fixturefunc = resolve_fixture_function(fixturedef, request)809    my_cache_key = request.param_index810    try:811        result = call_fixture_func(fixturefunc, request, kwargs)812    except TEST_OUTCOME:813        fixturedef.cached_result = (None, my_cache_key, sys.exc_info())814        raise815    fixturedef.cached_result = (result, my_cache_key, None)816    return result817def _ensure_immutable_ids(ids):818    if ids is None:819        return820    if callable(ids):821        return ids822    return tuple(ids)...

plugin.py

Source:plugin.py

...861            kwargs[argname] = result862        return kwargs863    @staticmethod864    def _pytest_fixturedef_exec(fixturedef: FixtureDef[Any], request: SubRequest, kwargs: Dict[str, Any]):865        fixturefunc = resolve_fixture_function(fixturedef, request)866        my_cache_key = fixturedef.cache_key(request)867        try:868            result = call_fixture_func(fixturefunc, request, kwargs)869        except TEST_OUTCOME:870            exc_info = sys.exc_info()871            assert exc_info[0] is not None872            fixturedef.cached_result = (None, my_cache_key, exc_info)873            raise874        fixturedef.cached_result = (result, my_cache_key, None)875        return result876    @pytest.hookimpl(tryfirst=True)877    def pytest_fixture_setup(self, fixturedef: FixtureDef[Any], request: SubRequest):878        if fixturedef.argname != 'serial':879            return...

provider.py

Source:provider.py

...280                assert fixdef.cached_result is not None281                result, arg_cache_key, exc = fixdef.cached_result282                request._check_scope(argname, request.scope, fixdef.scope)283                kwargs[argname] = result284            fixturefunc = resolve_fixture_function(fixturedef, request)285            # Use the DataProvider instance as the cache key.286            my_cache_key = fixturedef.cache_key(request)287            try:288                provider_data = call_fixture_func(fixturefunc, request, kwargs)289            except TEST_OUTCOME:290                fixturedef.cached_result = (None, my_cache_key, sys.exc_info())291                raise292            # Instantiate BaseProvider subclass here, and store as the fixture result.293            from cfme.utils.providers import get_crud294            result = get_crud(provider_data.key)295            request.param = result296            yield result297            # Store the cached_result after we have yielded to other pytest_fixture_setup methods.298            fixturedef.cached_result = (result, my_cache_key, None)...

conftest.py

Source:conftest.py

...172#     #     result, arg_cache_key, exc = fixdef.cached_result173#     #     request._check_scope(argname, request.scope, fixdef.scope)174#     #     kwargs[argname] = result175#176#     fixturefunc = resolve_fixture_function(fixturedef, request)177#     my_cache_key = fixturedef.cache_key(request)178#     try:179#         result = call_fixture_func(fixturefunc, request, kwargs)180#     except TEST_OUTCOME:181#         exc_info = sys.exc_info()182#         assert exc_info[0] is not None183#         fixturedef.cached_result = (None, my_cache_key, exc_info)184#         raise185#     fixturedef.cached_result = (result, my_cache_key, None)186#     return result187# æ³¨åèªå®ä¹åæ° cmdopt å°éç½®å¯¹è±¡188def pytest_addoption(parser):189    parser.addoption("--xb",190                     action="store",...

Pytest Tutorial

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Chapters

What is pytest
Pytest installation: Want to start pytest from scratch? See how to install and configure pytest for Python automation testing.
Run first test with pytest framework: Follow this step-by-step tutorial to write and run your first pytest script.
Parallel testing with pytest: A hands-on guide to parallel testing with pytest to improve the scalability of your test automation.
Generate pytest reports: Reports make it easier to understand the results of pytest-based test runs. Learn how to generate pytest reports.
Pytest Parameterized tests: Create and run your pytest scripts while avoiding code duplication and increasing test coverage with parameterization.
Pytest Fixtures: Check out how to implement pytest fixtures for your end-to-end testing needs.
Execute Multiple Test Cases: Explore different scenarios for running multiple test cases in pytest from a single file.
Stop Test Suite after N Test Failures: See how to stop your test suite after n test failures in pytest using the @pytest.mark.incremental decorator and maxfail command-line option.