Method teardown_exact

src/_pytest/runner.py:513–538

Teardown the current stack up until reaching nodes that nextitem also descends from. When nextitem is None (meaning we're at the last item), the entire stack is torn down.

(self, nextitem: Optional[Item])

        self.stack[node][0].append(finalizer)

    def teardown_exact(self, nextitem: Optional[Item]) -> None:
        """Teardown the current stack up until reaching nodes that nextitem
        also descends from.

        When nextitem is None (meaning we're at the last item), the entire
        stack is torn down.
        """
        needed_collectors = nextitem and nextitem.listchain() or []
        exc = None
        while self.stack:
            if list(self.stack.keys()) == needed_collectors[: len(self.stack)]:
                break
            node, (finalizers, _) = self.stack.popitem()
            while finalizers:
                fin = finalizers.pop()
                try:
                    fin()
                except TEST_OUTCOME as e:
                    # XXX Only first exception will be seen by user,
                    #     ideally all should be reported.
                    if exc is None:
                        exc = e
        if exc:
            raise exc
        if nextitem is None:
            assert not self.stack


def collect_one_node(collector: Collector) -> CollectReport: