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How to use verify_dri_node method in lisa

Best Python code snippet using lisa_python

drm.py

Source:drm.py

...51        2. Verify it contains hyperv_drm string in it.52        """,53        priority=2,54    )55    def verify_dri_node(self, node: Node, log: Logger) -> None:56        cat = node.tools[Cat]57        dri_path = "/sys/kernel/debug/dri/0/name"58        dri_name = cat.read(dri_path, sudo=True, force_run=True)59        assert_that(dri_name).described_as(60            "dri node not populated for hyperv_drm"61        ).matches("hyperv_drm")62    @TestCaseMetadata(63        description="""64        This case is to check this patch65        https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=19b5e6659eaf537ebeac90ae30c7df0296fe5ab9   # noqa: E50166        Step,67        1. Get dmesg output.68        2. Check no 'Unable to send packet via vmbus' shown up in dmesg output.69        """,...

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