test: add config dump test

These test infrastructure tests the nvme_dump_config interfacce.

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

Author: dwsuse

test/config/config-diff.sh

@@ -0,0 +1,24 @@
+#!/bin/bash -e
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+BUILD_DIR=$1
+CONFIG_DUMP=$2
+SYSDIR_INPUT=$3
+CONFIG_JSON=$4
+EXPECTED_OUTPUT=$5
+
+ACTUAL_OUTPUT="${BUILD_DIR}"/$(basename "${EXPECTED_OUTPUT}")
+
+TEST_NAME="$(basename -s .tar.xz $SYSDIR_INPUT)"
+TEST_DIR="$BUILD_DIR/$TEST_NAME"
+
+rm -rf "${TEST_DIR}"
+mkdir "${TEST_DIR}"
+tar -x -f "${SYSDIR_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 \
+"${CONFIG_DUMP}" "${CONFIG_JSON}" > "${ACTUAL_OUTPUT}" || echo "test failed"
+
+diff -u "${EXPECTED_OUTPUT}" "${ACTUAL_OUTPUT}"

test/config/config-dump.c

@@ -0,0 +1,53 @@
+// 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 config_dump(const char *file)
+{
+	bool pass = false;
+	nvme_root_t r;
+	int err;
+
+	r = nvme_create_root(stderr, LOG_ERR);
+	if (!r)
+		return false;
+
+	err = nvme_scan_topology(r, NULL, NULL);
+	if (err) {
+		if (errno != ENOENT)
+			goto out;
+	}
+
+	err = nvme_read_config(r, file);
+	if (err)
+		goto out;
+
+	err = nvme_dump_config(r);
+	if (err)
+		goto out;
+
+	pass = true;
+
+out:
+	nvme_free_tree(r);
+	return pass;
+}
+
+int main(int argc, char *argv[])
+{
+	bool pass = true;
+
+	config_dump(argv[1]);
+	fflush(stdout);
+
+	exit(pass ? EXIT_SUCCESS : EXIT_FAILURE);
+}

test/config/data/config-pcie.json

@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of libnvme.
+# Copyright (c) 2024 SUSE LLC.
+#
+# Authors: Daniel Wagner <[email protected]>
+
+diff = find_program('diff', required : false)
+if diff.found()
+    config_dump = executable(
+        'test-config-dump',
+        ['config-dump.c'],
+        dependencies: libnvme_dep,
+        include_directories: [incdir],
+    )
+
+    config_data = [
+        'config-pcie',
+    ]
+
+    config_diff = find_program('config-diff.sh')
+
+    foreach t_file : config_data
+        test(
+            t_file,
+            config_diff,
+            args : [
+                meson.current_build_dir(),
+                config_dump.full_path(),
+                files('data'/t_file + '.tar.xz'),
+                files('data'/t_file + '.json'),
+                files('data'/t_file + '.out'),
+            ],
+            depends : config_dump,
+        )
+    endforeach
+endif

test/config/data/config-pcie.out

@@ -109,4 +109,5 @@ subdir('nbft')
 
 if json_c_dep.found()
     subdir('sysfs')
+    subdir('config')
 endif