Imported Upstream version 16.04
[deb_dpdk.git] / app / test / test_kvargs.c
diff --git a/app/test/test_kvargs.c b/app/test/test_kvargs.c
new file mode 100644 (file)
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+/*
+ * Copyright 2014 6WIND S.A.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the
+ *   distribution.
+ *
+ * - Neither the name of 6WIND S.A. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_kvargs.h>
+
+#include "test.h"
+
+/* incrementd in handler, to check it is properly called once per
+ * key/value association */
+static unsigned count;
+
+/* this handler increment the "count" variable at each call and check
+ * that the key is "check" and the value is "value%d" */
+static int check_handler(const char *key, const char *value,
+       __rte_unused void *opaque)
+{
+       char buf[16];
+
+       /* we check that the value is "check" */
+       if (strcmp(key, "check"))
+               return -1;
+
+       /* we check that the value is "value$(count)" */
+       snprintf(buf, sizeof(buf), "value%d", count);
+       if (strncmp(buf, value, sizeof(buf)))
+               return -1;
+
+       count ++;
+       return 0;
+}
+
+/* test a valid case */
+static int test_valid_kvargs(void)
+{
+       struct rte_kvargs *kvlist;
+       const char *args;
+       const char *valid_keys_list[] = { "foo", "check", NULL };
+       const char **valid_keys;
+
+       /* empty args is valid */
+       args = "";
+       valid_keys = NULL;
+       kvlist = rte_kvargs_parse(args, valid_keys);
+       if (kvlist == NULL) {
+               printf("rte_kvargs_parse() error");
+               goto fail;
+       }
+       rte_kvargs_free(kvlist);
+
+       /* first test without valid_keys */
+       args = "foo=1234,check=value0,check=value1";
+       valid_keys = NULL;
+       kvlist = rte_kvargs_parse(args, valid_keys);
+       if (kvlist == NULL) {
+               printf("rte_kvargs_parse() error");
+               goto fail;
+       }
+       /* call check_handler() for all entries with key="check" */
+       count = 0;
+       if (rte_kvargs_process(kvlist, "check", check_handler, NULL) < 0) {
+               printf("rte_kvargs_process() error\n");
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       if (count != 2) {
+               printf("invalid count value %d after rte_kvargs_process(check)\n",
+                       count);
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       count = 0;
+       /* call check_handler() for all entries with key="unexistant_key" */
+       if (rte_kvargs_process(kvlist, "unexistant_key", check_handler, NULL) < 0) {
+               printf("rte_kvargs_process() error\n");
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       if (count != 0) {
+               printf("invalid count value %d after rte_kvargs_process(unexistant_key)\n",
+                       count);
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       /* count all entries with key="foo" */
+       count = rte_kvargs_count(kvlist, "foo");
+       if (count != 1) {
+               printf("invalid count value %d after rte_kvargs_count(foo)\n",
+                       count);
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       /* count all entries */
+       count = rte_kvargs_count(kvlist, NULL);
+       if (count != 3) {
+               printf("invalid count value %d after rte_kvargs_count(NULL)\n",
+                       count);
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       /* count all entries with key="unexistant_key" */
+       count = rte_kvargs_count(kvlist, "unexistant_key");
+       if (count != 0) {
+               printf("invalid count value %d after rte_kvargs_count(unexistant_key)\n",
+                       count);
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       rte_kvargs_free(kvlist);
+
+       /* second test using valid_keys */
+       args = "foo=droids,check=value0,check=value1,check=wrong_value";
+       valid_keys = valid_keys_list;
+       kvlist = rte_kvargs_parse(args, valid_keys);
+       if (kvlist == NULL) {
+               printf("rte_kvargs_parse() error");
+               goto fail;
+       }
+       /* call check_handler() on all entries with key="check", it
+        * should fail as the value is not recognized by the handler */
+       if (rte_kvargs_process(kvlist, "check", check_handler, NULL) == 0) {
+               printf("rte_kvargs_process() is success bu should not\n");
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       count = rte_kvargs_count(kvlist, "check");
+       if (count != 3) {
+               printf("invalid count value %d after rte_kvargs_count(check)\n",
+                       count);
+               rte_kvargs_free(kvlist);
+               goto fail;
+       }
+       rte_kvargs_free(kvlist);
+
+       return 0;
+
+ fail:
+       printf("while processing <%s>", args);
+       if (valid_keys != NULL && *valid_keys != NULL) {
+               printf(" using valid_keys=<%s", *valid_keys);
+               while (*(++valid_keys) != NULL)
+                       printf(",%s", *valid_keys);
+               printf(">");
+       }
+       printf("\n");
+       return -1;
+}
+
+/* test several error cases */
+static int test_invalid_kvargs(void)
+{
+       struct rte_kvargs *kvlist;
+       /* list of argument that should fail */
+       const char *args_list[] = {
+               "wrong-key=x",     /* key not in valid_keys_list */
+               "foo=1,foo=",      /* empty value */
+               "foo=1,,foo=2",    /* empty key/value */
+               "foo=1,foo",       /* no value */
+               "foo=1,=2",        /* no key */
+               ",=",              /* also test with a smiley */
+               NULL };
+       const char **args;
+       const char *valid_keys_list[] = { "foo", "check", NULL };
+       const char **valid_keys = valid_keys_list;
+
+       for (args = args_list; *args != NULL; args++) {
+
+               kvlist = rte_kvargs_parse(*args, valid_keys);
+               if (kvlist != NULL) {
+                       printf("rte_kvargs_parse() returned 0 (but should not)\n");
+                       rte_kvargs_free(kvlist);
+                       goto fail;
+               }
+               return 0;
+       }
+
+ fail:
+       printf("while processing <%s>", *args);
+       if (valid_keys != NULL && *valid_keys != NULL) {
+               printf(" using valid_keys=<%s", *valid_keys);
+               while (*(++valid_keys) != NULL)
+                       printf(",%s", *valid_keys);
+               printf(">");
+       }
+       printf("\n");
+       return -1;
+}
+
+static int
+test_kvargs(void)
+{
+       printf("== test valid case ==\n");
+       if (test_valid_kvargs() < 0)
+               return -1;
+       printf("== test invalid case ==\n");
+       if (test_invalid_kvargs() < 0)
+               return -1;
+       return 0;
+}
+
+static struct test_command kvargs_cmd = {
+       .command = "kvargs_autotest",
+       .callback = test_kvargs,
+};
+REGISTER_TEST_COMMAND(kvargs_cmd);