test: revamp sysfs tree dump test

In order to extend the sysfs tree dump tests, let's improve it.

Signed-off-by: Daniel Wagner <[email protected]>

Author: dwsuse

test/meson.build

@@ -108,5 +108,5 @@ subdir('ioctl')
 subdir('nbft')
 
 if json_c_dep.found()
-  subdir('sysfs')
+    subdir('sysfs')
 endif

…data/nvme-sysfs-tw-carbon-6.8.0-rc1+.out test/sysfs/data/tree-pcie.outtest/sysfs/data/nvme-sysfs-tw-carbon-6.8.0-rc1+.out renamed to test/sysfs/data/tree-pcie.out test/sysfs/data/nvme-sysfs-tw-carbon-6.8.0-rc1+.out renamed to test/sysfs/data/tree-pcie.out

@@ -7,30 +7,30 @@
 
 diff = find_program('diff', required : false)
 if diff.found()
-    sysfs_tree_print = executable(
-        'sysfs-tree-print',
-        ['sysfs.c'],
+    tree_dump = executable(
+        'test-tree-dump',
+        ['tree-dump.c'],
         dependencies: libnvme_dep,
         include_directories: [incdir],
     )
 
-    sysfs_files= [
-        'nvme-sysfs-tw-carbon-6.8.0-rc1+'
+    tree_data = [
+        'tree-pcie',
     ]
 
-    sysfs_tree_diff = find_program('sysfs-tree-diff.sh')
+    tree_diff = find_program('tree-diff.sh')
 
-    foreach t_file : sysfs_files
+    foreach t_file : tree_data
         test(
-            'sysfs',
-            sysfs_tree_diff,
+            t_file,
+            tree_diff,
             args : [
                 meson.current_build_dir(),
-                sysfs_tree_print.full_path(),
+                tree_dump.full_path(),
                 files('data'/t_file + '.tar.xz'),
                 files('data'/t_file + '.out'),
             ],
-            depends : sysfs_tree_print,
+            depends : tree_dump,
         )
     endforeach
 endif

…a/nvme-sysfs-tw-carbon-6.8.0-rc1+.tar.xz test/sysfs/data/tree-pcie.tar.xztest/sysfs/data/nvme-sysfs-tw-carbon-6.8.0-rc1+.tar.xz renamed to test/sysfs/data/tree-pcie.tar.xz test/sysfs/data/nvme-sysfs-tw-carbon-6.8.0-rc1+.tar.xz renamed to test/sysfs/data/tree-pcie.tar.xz

@@ -0,0 +1,22 @@
+#!/bin/bash -e
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+BUILD_DIR=$1
+TREE_DUMP=$2
+SYSFS_INPUT=$3
+EXPECTED_OUTPUT=$4
+
+TEST_NAME="$(basename -s .tar.xz ${SYSFS_INPUT})"
+TEST_DIR="${BUILD_DIR}/${TEST_NAME}"
+ACTUAL_OUTPUT="${TEST_DIR}.out"
+
+rm -rf "${TEST_DIR}"
+mkdir "${TEST_DIR}"
+tar -x -f "${SYSFS_INPUT}" -C "${TEST_DIR}"
+
+LIBNVME_SYSFS_PATH="${TEST_DIR}" \
+LIBNVME_HOSTNQN=nqn.2014-08.org.nvmexpress:uuid:ce4fee3e-c02c-11ee-8442-830d068a36c6 \
+LIBNVME_HOSTID=ce4fee3e-c02c-11ee-8442-830d068a36c6 \
+"${TREE_DUMP}" > "${ACTUAL_OUTPUT}" || echo "test failed"
+
+diff -u "${EXPECTED_OUTPUT}" "${ACTUAL_OUTPUT}"

test/sysfs/meson.build

@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/**
+ * This file is part of libnvme.
+ * Copyright (c) 2024 Daniel Wagner, SUSE LLC
+ */
+
+#include <string.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <libnvme.h>
+
+static bool tree_dump(void)
+{
+	bool pass = false;
+	nvme_root_t r;
+	int err;
+
+	r = nvme_create_root(stdout, LOG_ERR);
+	if (!r)
+		return false;
+
+	err = nvme_scan_topology(r, NULL, NULL);
+	if (err) {
+		if (errno != ENOENT)
+			goto out;
+	}
+
+	if (nvme_dump_tree(r))
+		goto out;
+	printf("\n");
+
+	pass = true;
+
+out:
+	nvme_free_tree(r);
+	return pass;
+}
+
+int main(int argc, char *argv[])
+{
+	bool pass = true;
+
+	pass = tree_dump();
+	fflush(stdout);
+
+	exit(pass ? EXIT_SUCCESS : EXIT_FAILURE);
+}