unit-test: Add ovstest

[sliver-openvswitch.git] / tests / ovstest.c

diff --git a/tests/ovstest.c b/tests/ovstest.c
new file mode 100644 (file)
index 0000000..b8f5bfa
--- /dev/null
+++ b/tests/ovstest.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2014 Nicira, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* The mother of all test programs that links with libopevswitch.la */
+
+#include <config.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <stdlib.h>
+#include "command-line.h"
+#include "ovstest.h"
+#include "util.h"
+
+static struct command *commands = NULL;
+static size_t n_commands = 0;
+static size_t allocated_commands = 0;
+
+static void
+add_command(struct command *cmd)
+{
+    const struct command nil = {NULL, 0, 0, NULL};
+
+    while (n_commands + 1 >= allocated_commands) {
+        commands = x2nrealloc(commands, &allocated_commands,
+                              sizeof *cmd);
+    }
+
+    commands[n_commands] = *cmd;
+    commands[n_commands + 1] = nil;
+    n_commands++;
+}
+
+static void
+list(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+    const struct command *p;
+
+    for(p = commands; p->name != NULL; p++) {
+        printf("%s, %d, %d\n", p->name,p->min_args, p->max_args);
+    }
+}
+
+static void
+add_top_level_commands(void)
+{
+    struct command help_cmd = {"--help", 0, 0, list};
+
+    add_command(&help_cmd);
+}
+
+void
+ovstest_register(const char *test_name, ovstest_func f,
+                  const struct command *sub_commands)
+{
+    struct command test_cmd;
+    int max_args = 0;
+
+    if (sub_commands) {
+        const struct command *p;
+
+        for(p = sub_commands; p->name != NULL; p++) {
+            if (p->max_args > max_args) {
+                max_args = p->max_args;
+            }
+        }
+    }
+    max_args++;  /* adding in the sub program */
+
+    test_cmd.name = test_name;
+    test_cmd.min_args = 1;
+    test_cmd.max_args = max_args;
+    test_cmd.handler = f;
+
+    add_command(&test_cmd);
+}
+
+static void
+cleanup(void)
+{
+    if (allocated_commands) {
+        free(commands);
+    }
+}
+
+int
+main(int argc, char *argv[])
+{
+    set_program_name(argv[0]);
+
+    add_top_level_commands();
+    if (argc > 1) {
+        run_command(argc - 1, argv + 1, commands);
+    }
+    cleanup();
+
+    return 0;
+}