ci(pytest): move to class plugin

conftest.py

@@ -147,18 +147,39 @@ def pytest_addoption(parser: pytest.Parser) -> None:
     )
 
 
-@pytest.hookimpl(tryfirst=True)
-def pytest_sessionstart(session: Session) -> None:
-    if session.config.option.target:
-        session.config.option.target = session.config.getoption('target').lower()
+_idf_pytest_embedded_key = pytest.StashKey['IdfPytestEmbedded']
 
 
-@pytest.hookimpl(tryfirst=True)
-def pytest_collection_modifyitems(config: Config, items: List[Function]) -> None:
-    target = config.getoption('target', None)  # use the `build` dir
-    if not target:
-        return
+def pytest_configure(config: Config) -> None:
+    config.stash[_idf_pytest_embedded_key] = IdfPytestEmbedded(
+        target=config.getoption('target'),
+        sdkconfig=config.getoption('sdkconfig'),
+    )
+    config.pluginmanager.register(config.stash[_idf_pytest_embedded_key])
 
+
+def pytest_unconfigure(config: Config) -> None:
+    _pytest_embedded = config.stash.get(_idf_pytest_embedded_key, None)
+    if _pytest_embedded:
+        del config.stash[_idf_pytest_embedded_key]
+        config.pluginmanager.unregister(_pytest_embedded)
+
+
+class IdfPytestEmbedded:
+
+    def __init__(self, target: Optional[str] = None, sdkconfig: Optional[str] = None):
+        # CLI options to filter the test cases
+        self.target = target
+        self.sdkconfig = sdkconfig
+
+    @pytest.hookimpl(tryfirst=True)
+    def pytest_sessionstart(self, session: Session) -> None:
+        if self.target:
+            self.target = self.target.lower()
+            session.config.option.target = self.target
+
+    @pytest.hookimpl(tryfirst=True)
+    def pytest_collection_modifyitems(self, items: List[Function]) -> None:
         # sort by file path and callspec.config
         # implement like this since this is a limitation of pytest, couldn't get fixture values while collecting
         # https://github.com/pytest-dev/pytest/discussions/9689
@@ -182,19 +203,19 @@ def pytest_collection_modifyitems(config: Config, items: List[Function]) -> None
                     item.add_marker(_target)
 
         # filter all the test cases with "--target"
-    items[:] = [item for item in items if target in item_marker_names(item)]
+        if self.target:
+            items[:] = [item for item in items if self.target in item_marker_names(item)]
 
         # filter all the test cases with cli option "config"
-    if config.getoption('sdkconfig'):
+        if self.sdkconfig:
             items[:] = [
                 item
                 for item in items
-            if _get_param_config(item) == config.getoption('sdkconfig')
+                if _get_param_config(item) == self.sdkconfig
             ]
 
-
-@pytest.hookimpl(trylast=True)
-def pytest_runtest_teardown(item: Function) -> None:
+    @pytest.hookimpl(trylast=True)
+    def pytest_runtest_teardown(self, item: Function) -> None:
         """
         Format the test case generated junit reports
         """