1 files changed, 118 insertions, 0 deletions
diff --git a/src/tests/test-kernel-device-helpers.c b/src/tests/test-kernel-device-helpers.c
new file mode 100644
index 00000000..3cbe1d91
--- /dev/null
+++ b/src/tests/test-kernel-device-helpers.c
@@ -0,0 +1,118 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2021 Aleksander Morgado <aleksander@aleksander.es>
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+#include <string.h>
+#include <stdlib.h>
+#include <locale.h>
+
+#define _LIBMM_INSIDE_MM
+#include <libmm-glib.h>
+
+#include "mm-kernel-device-helpers.h"
+#include "mm-log-test.h"
+
+/*****************************************************************************/
+
+typedef struct {
+    const gchar *pattern;
+    const gchar *str;
+    gboolean     match;
+} StringMatchTest;
+
+static const StringMatchTest string_match_tests[] = {
+    {
+        .pattern = "/sys/devices/pci0000:00/0000:00:1f.6/net/eno1",
+        .str     = "/sys/devices/pci0000:00/0000:00:1f.6/net/eno1",
+        .match   = TRUE,
+    },
+    {
+        .pattern = "/sys/devices/pci0000:00/0000:00:1f.6/net/*",
+        .str     = "/sys/devices/pci0000:00/0000:00:1f.6/net/eno1",
+        .match   = TRUE,
+    },
+    {
+        .pattern = "*MBIM",
+        .str     = "wwan0p1MBIM",
+        .match   = TRUE,
+    },
+    /* Don't match leading extra characters */
+    {
+        .pattern = "/sys/devices/pci0000:00/0000:00:1f.6/net",
+        .str     = "aaaaa/sys/devices/pci0000:00/0000:00:1f.6/net",
+        .match   = FALSE,
+    },
+    /* Don't match trailing extra characters */
+    {
+        .pattern = "/sys/devices/pci0000:00/0000:00:1f.6/net",
+        .str     = "/sys/devices/pci0000:00/0000:00:1f.6/netaaa",
+        .match   = FALSE,
+    },
+    /* The ASTERISK in a pattern given must be treated as a wildcard by
+     * itself, not as "the previous character 0-N times", as the input
+     * pattern is not a regex pattern. */
+    {
+        .pattern = "/sys/devices/pci0000:00/0000:00:1f.6/net/*",
+        .str     = "/sys/devices/pci0000:00/0000:00:1ff6/net",
+        .match   = FALSE,
+    },
+    {
+        .pattern = "/sys/devices/pci0000:00/0000:00:1f.6/net/*",
+        .str     = "/sys/devices/pci0000:00/0000:00:1f.6/netaaa",
+        .match   = FALSE,
+    },
+    /* The DOT in a pattern given must match the exact DOT character,
+     * as the input pattern is not a regex pattern. */
+    {
+        .pattern = "/sys/devices/pci0000:00/0000:00:1f.6/net/eno1",
+        .str     = "/sys/devices/pci0000:00/0000:00:1ff6/net/eno1",
+        .match   = FALSE,
+    },
+};
+
+static void
+test_string_match (void)
+{
+    guint i;
+
+    for (i = 0; i < G_N_ELEMENTS (string_match_tests); i++) {
+        gboolean match;
+
+        match = mm_kernel_device_generic_string_match (string_match_tests[i].str,
+                                                       string_match_tests[i].pattern,
+                                                       NULL);
+        if (match != string_match_tests[i].match)
+            mm_obj_warn (NULL, "string match failure: pattern '%s' should%s match str '%s'",
+                         string_match_tests[i].pattern,
+                         string_match_tests[i].match ? "" : " NOT",
+                         string_match_tests[i].str);
+
+        g_assert_cmpuint (match, ==, string_match_tests[i].match);
+    }
+}
+
+/*****************************************************************************/
+
+int main (int argc, char **argv)
+{
+    setlocale (LC_ALL, "");
+
+    g_test_init (&argc, &argv, NULL);
+
+    g_test_add_func ("/MM/kernel-device-helpers/string-match", test_string_match);
+
+    return g_test_run ();
+}