tests versuch 2

venv/lib/python3.11/site-packages/_pytest/stepwise.py

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+from typing import List
+from typing import Optional
+from typing import TYPE_CHECKING
+
+import pytest
+from _pytest import nodes
+from _pytest.config import Config
+from _pytest.config.argparsing import Parser
+from _pytest.main import Session
+from _pytest.reports import TestReport
+
+if TYPE_CHECKING:
+    from _pytest.cacheprovider import Cache
+
+STEPWISE_CACHE_DIR = "cache/stepwise"
+
+
+def pytest_addoption(parser: Parser) -> None:
+    group = parser.getgroup("general")
+    group.addoption(
+        "--sw",
+        "--stepwise",
+        action="store_true",
+        default=False,
+        dest="stepwise",
+        help="Exit on test failure and continue from last failing test next time",
+    )
+    group.addoption(
+        "--sw-skip",
+        "--stepwise-skip",
+        action="store_true",
+        default=False,
+        dest="stepwise_skip",
+        help="Ignore the first failing test but stop on the next failing test. "
+        "Implicitly enables --stepwise.",
+    )
+
+
+@pytest.hookimpl
+def pytest_configure(config: Config) -> None:
+    if config.option.stepwise_skip:
+        # allow --stepwise-skip to work on it's own merits.
+        config.option.stepwise = True
+    if config.getoption("stepwise"):
+        config.pluginmanager.register(StepwisePlugin(config), "stepwiseplugin")
+
+
+def pytest_sessionfinish(session: Session) -> None:
+    if not session.config.getoption("stepwise"):
+        assert session.config.cache is not None
+        if hasattr(session.config, "workerinput"):
+            # Do not update cache if this process is a xdist worker to prevent
+            # race conditions (#10641).
+            return
+        # Clear the list of failing tests if the plugin is not active.
+        session.config.cache.set(STEPWISE_CACHE_DIR, [])
+
+
+class StepwisePlugin:
+    def __init__(self, config: Config) -> None:
+        self.config = config
+        self.session: Optional[Session] = None
+        self.report_status = ""
+        assert config.cache is not None
+        self.cache: Cache = config.cache
+        self.lastfailed: Optional[str] = self.cache.get(STEPWISE_CACHE_DIR, None)
+        self.skip: bool = config.getoption("stepwise_skip")
+
+    def pytest_sessionstart(self, session: Session) -> None:
+        self.session = session
+
+    def pytest_collection_modifyitems(
+        self, config: Config, items: List[nodes.Item]
+    ) -> None:
+        if not self.lastfailed:
+            self.report_status = "no previously failed tests, not skipping."
+            return
+
+        # check all item nodes until we find a match on last failed
+        failed_index = None
+        for index, item in enumerate(items):
+            if item.nodeid == self.lastfailed:
+                failed_index = index
+                break
+
+        # If the previously failed test was not found among the test items,
+        # do not skip any tests.
+        if failed_index is None:
+            self.report_status = "previously failed test not found, not skipping."
+        else:
+            self.report_status = f"skipping {failed_index} already passed items."
+            deselected = items[:failed_index]
+            del items[:failed_index]
+            config.hook.pytest_deselected(items=deselected)
+
+    def pytest_runtest_logreport(self, report: TestReport) -> None:
+        if report.failed:
+            if self.skip:
+                # Remove test from the failed ones (if it exists) and unset the skip option
+                # to make sure the following tests will not be skipped.
+                if report.nodeid == self.lastfailed:
+                    self.lastfailed = None
+
+                self.skip = False
+            else:
+                # Mark test as the last failing and interrupt the test session.
+                self.lastfailed = report.nodeid
+                assert self.session is not None
+                self.session.shouldstop = (
+                    "Test failed, continuing from this test next run."
+                )
+
+        else:
+            # If the test was actually run and did pass.
+            if report.when == "call":
+                # Remove test from the failed ones, if exists.
+                if report.nodeid == self.lastfailed:
+                    self.lastfailed = None
+
+    def pytest_report_collectionfinish(self) -> Optional[str]:
+        if self.config.getoption("verbose") >= 0 and self.report_status:
+            return f"stepwise: {self.report_status}"
+        return None
+
+    def pytest_sessionfinish(self) -> None:
+        if hasattr(self.config, "workerinput"):
+            # Do not update cache if this process is a xdist worker to prevent
+            # race conditions (#10641).
+            return
+        self.cache.set(STEPWISE_CACHE_DIR, self.lastfailed)