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How to use nvme_function_validation method in lisa

Best Python code snippet using lisa_python

nvme.py

...83        requirement=simple_requirement(84            supported_features=[Nvme],85        ),86    )87    def nvme_function_validation(self, node: Node) -> None:88        nvme = node.features[Nvme]89        nvme_namespaces = nvme.get_namespaces()90        nvme_cli = node.tools[Nvmecli]91        cat = node.tools[Cat]92        mount = node.tools[Mount]93        for namespace in nvme_namespaces:94            # 1. Get the number of errors from nvme-cli before operations.95            error_count_before_operations = nvme_cli.get_error_count(namespace)96            # 2. Create a partition, filesystem and mount it.97            _format_mount_disk(node, namespace, FileSystem.ext4)98            # 3. Create a txt file on the partition, content is 'TestContent'.99            mount_point = namespace.rpartition("/")[-1]100            cmd_result = node.execute(101                f"echo TestContent > {mount_point}/testfile.txt", shell=True, sudo=True...

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