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device-mapper-multipath/0007-multipath-tools-tests-add-tests-for-get_user_friendl.patch
Benjamin Marzinski e5eddaae1a device-mapper-multipath-0.9.6-1 
Update to the head of the upstream staging branch
Rename redhat patches
  * Previous patches 0001-0012 are now patches 0041-0052
Add 0053-RH-Add-mpathcleanup.patch
  * add mpathcleanup program
2023-09-22 15:29:43 -05:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@suse.com>
Date: Wed, 23 Aug 2023 22:57:29 +0200
Subject: [PATCH] multipath-tools tests: add tests for
get_user_friendly_alias()
Signed-off-by: Martin Wilck <mwilck@suse.com>
Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
tests/alias.c | 441 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 441 insertions(+)
diff --git a/tests/alias.c b/tests/alias.c
index 11f209e0..7e443b06 100644
--- a/tests/alias.c
+++ b/tests/alias.c
@@ -81,6 +81,35 @@ int __wrap_dm_get_uuid(const char *name, char *uuid, int uuid_len)
return ret;
}
+#define TEST_FDNO 1234
+#define TEST_FPTR ((FILE *) 0xaffe)
+
+int __wrap_open_file(const char *file, int *can_write, const char *header)
+{
+ int cw = mock_type(int);
+
+ *can_write = cw;
+ return TEST_FDNO;
+}
+
+FILE *__wrap_fdopen(int fd, const char *mode)
+{
+ assert_int_equal(fd, TEST_FDNO);
+ return TEST_FPTR;
+}
+
+int __wrap_fflush(FILE *f)
+{
+ assert_ptr_equal(f, TEST_FPTR);
+ return 0;
+}
+
+int __wrap_fclose(FILE *f)
+{
+ assert_ptr_equal(f, TEST_FPTR);
+ return 0;
+}
+
/* strbuf wrapper for the old format_devname() */
static int __format_devname(char *name, int id, size_t len, const char *prefix)
{
@@ -399,6 +428,22 @@ static void mock_self_alias(const char *alias, const char *wwid)
}
#define USED_STR(alias_str, wwid_str) wwid_str ": alias '" alias_str "' already taken, reselecting alias\n"
+#define NOMATCH_STR(alias_str) ("No matching alias [" alias_str "] in bindings file.\n")
+#define FOUND_STR(alias_str, wwid_str) \
+ "Found matching wwid [" wwid_str "] in bindings file." \
+ " Setting alias to " alias_str "\n"
+#define FOUND_ALIAS_STR(alias_str, wwid_str) \
+ "Found matching alias [" alias_str "] in bindings file." \
+ " Setting wwid to " wwid_str "\n"
+#define NOMATCH_WWID_STR(wwid_str) ("No matching wwid [" wwid_str "] in bindings file.\n")
+#define NEW_STR(alias_str, wwid_str) ("Created new binding [" alias_str "] for WWID [" wwid_str "]\n")
+#define EXISTING_STR(alias_str, wwid_str) ("Use existing binding [" alias_str "] for WWID [" wwid_str "]\n")
+#define ALLOC_STR(alias_str, wwid_str) ("Allocated existing binding [" alias_str "] for WWID [" wwid_str "]\n")
+#define BINDING_STR(alias_str, wwid_str) (alias_str " " wwid_str "\n")
+#define BOUND_STR(alias_str, wwid_str) ("alias "alias_str " already bound to wwid " wwid_str ", cannot reuse")
+#define ERR_STR(alias_str, wwid_str) ("ERROR: old alias [" alias_str "] for wwid [" wwid_str "] is used by other map\n")
+#define REUSE_STR(alias_str, wwid_str) ("alias " alias_str " already bound to wwid " wwid_str ", cannot reuse\n")
+#define NOMORE_STR "no more available user_friendly_names\n"
static void mock_failed_alias(const char *alias, char *msg)
{
@@ -421,6 +466,24 @@ static void mock_used_alias(const char *alias, char *msg)
expect_condlog(3, msg);
}
+static void mock_bindings_file(const char *content, int match_line)
+{
+ static char cnt[1024];
+ char *token;
+ int i;
+
+ assert_in_range(strlcpy(cnt, content, sizeof(cnt)), 0, sizeof(cnt) - 1);
+
+ for (token = strtok(cnt, "\n"), i = 0;
+ token && *token;
+ token = strtok(NULL, "\n"), i++) {
+ will_return(__wrap_fgets, token);
+ if (match_line == i)
+ return;
+ }
+ will_return(__wrap_fgets, NULL);
+}
+
static void lb_empty(void **state)
{
int rc;
@@ -1147,6 +1210,382 @@ static int test_allocate_binding(void)
return cmocka_run_group_tests(tests, NULL, NULL);
}
+#define mock_allocate_binding(alias, wwid) \
+ do { \
+ static const char ln[] = BINDING_STR(alias, wwid); \
+ \
+ will_return(__wrap_lseek, 0); \
+ expect_value(__wrap_write, count, strlen(ln)); \
+ expect_string(__wrap_write, buf, ln); \
+ will_return(__wrap_write, strlen(ln)); \
+ expect_condlog(3, NEW_STR(alias, wwid)); \
+ } while (0)
+
+static void gufa_empty_new_rw(void **state) {
+ char *alias;
+
+ will_return(__wrap_open_file, true);
+
+ will_return(__wrap_fgets, NULL);
+ mock_unused_alias("MPATHa");
+ expect_condlog(3, NOMATCH_WWID_STR("WWID0"));
+
+ mock_allocate_binding("MPATHa", "WWID0");
+ alias = get_user_friendly_alias("WWID0", "x", "", "MPATH", false);
+ assert_string_equal(alias, "MPATHa");
+ free(alias);
+}
+
+static void gufa_empty_new_ro_1(void **state) {
+ char *alias;
+ will_return(__wrap_open_file, false);
+ will_return(__wrap_fgets, NULL);
+ mock_unused_alias("MPATHa");
+ expect_condlog(3, NOMATCH_WWID_STR("WWID0"));
+
+ alias = get_user_friendly_alias("WWID0", "x", "", "MPATH", false);
+ assert_ptr_equal(alias, NULL);
+}
+
+static void gufa_empty_new_ro_2(void **state) {
+ char *alias;
+
+ will_return(__wrap_open_file, true);
+
+ will_return(__wrap_fgets, NULL);
+ mock_unused_alias("MPATHa");
+ expect_condlog(3, NOMATCH_WWID_STR("WWID0"));
+
+ alias = get_user_friendly_alias("WWID0", "x", "", "MPATH", true);
+ assert_ptr_equal(alias, NULL);
+}
+
+static void gufa_match_a_unused(void **state) {
+ char *alias;
+
+ will_return(__wrap_open_file, true);
+
+ will_return(__wrap_fgets, BINDING_STR("MPATHa", "WWID0"));
+ expect_condlog(3, FOUND_STR("MPATHa", "WWID0"));
+ mock_unused_alias("MPATHa");
+
+ alias = get_user_friendly_alias("WWID0", "x", "", "MPATH", true);
+ assert_string_equal(alias, "MPATHa");
+ free(alias);
+}
+
+static void gufa_match_a_self(void **state) {
+ char *alias;
+
+ will_return(__wrap_open_file, true);
+
+ will_return(__wrap_fgets, BINDING_STR("MPATHa", "WWID0"));
+ expect_condlog(3, FOUND_STR("MPATHa", "WWID0"));
+ mock_self_alias("MPATHa", "WWID0");
+
+ alias = get_user_friendly_alias("WWID0", "x", "", "MPATH", true);
+ assert_string_equal(alias, "MPATHa");
+ free(alias);
+}
+
+static void gufa_match_a_used(void **state) {
+ char *alias;
+
+ will_return(__wrap_open_file, true);
+
+ will_return(__wrap_fgets, BINDING_STR("MPATHa", "WWID0"));
+ expect_condlog(3, FOUND_STR("MPATHa", "WWID0"));
+ mock_used_alias("MPATHa", USED_STR("MPATHa", "WWID0"));
+
+ alias = get_user_friendly_alias("WWID0", "x", "", "MPATH", true);
+ assert_ptr_equal(alias, NULL);
+}
+
+static void gufa_nomatch_a_c(void **state) {
+ char *alias;
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file("MPATHa WWID0\n"
+ "MPATHc WWID2",
+ -1);
+ mock_unused_alias("MPATHb");
+ expect_condlog(3, NOMATCH_WWID_STR("WWID1"));
+
+ mock_allocate_binding("MPATHb", "WWID1");
+
+ alias = get_user_friendly_alias("WWID1", "x", "", "MPATH", false);
+ assert_string_equal(alias, "MPATHb");
+ free(alias);
+}
+
+static void gufa_nomatch_c_a(void **state) {
+ char *alias;
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file("MPATHc WWID2\n"
+ "MPATHa WWID0",
+ -1);
+ mock_unused_alias("MPATHb");
+ expect_condlog(3, NOMATCH_WWID_STR("WWID1"));
+
+ mock_allocate_binding("MPATHb", "WWID1");
+
+ alias = get_user_friendly_alias("WWID1", "x", "", "MPATH", false);
+ assert_string_equal(alias, "MPATHb");
+ free(alias);
+}
+
+static void gufa_nomatch_c_b(void **state) {
+ char *alias;
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file("MPATHc WWID2\n"
+ "MPATHb WWID1\n",
+ -1);
+ mock_unused_alias("MPATHa");
+ expect_condlog(3, NOMATCH_WWID_STR("WWID0"));
+
+ mock_allocate_binding("MPATHa", "WWID0");
+
+ alias = get_user_friendly_alias("WWID0", "x", "", "MPATH", false);
+ assert_string_equal(alias, "MPATHa");
+ free(alias);
+}
+
+static void gufa_nomatch_c_b_used(void **state) {
+ char *alias;
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file("MPATHc WWID2\n"
+ "MPATHb WWID1",
+ -1);
+ mock_used_alias("MPATHa", USED_STR("MPATHa", "WWID4"));
+ expect_condlog(3, NOMATCH_WWID_STR("WWID4"));
+ mock_unused_alias("MPATHd");
+
+ mock_allocate_binding("MPATHd", "WWID4");
+
+ alias = get_user_friendly_alias("WWID4", "x", "", "MPATH", false);
+ assert_string_equal(alias, "MPATHd");
+ free(alias);
+}
+
+static void gufa_nomatch_b_f_a(void **state) {
+ char *alias;
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file("MPATHb WWID1\n"
+ "MPATHf WWID6\n"
+ "MPATHa WWID0\n",
+ -1);
+ expect_condlog(3, NOMATCH_WWID_STR("WWID7"));
+ mock_unused_alias("MPATHg");
+
+ mock_allocate_binding("MPATHg", "WWID7");
+
+ alias = get_user_friendly_alias("WWID7", "x", "", "MPATH", false);
+ assert_string_equal(alias, "MPATHg");
+ free(alias);
+}
+
+static void gufa_old_empty(void **state) {
+ char *alias;
+ will_return(__wrap_open_file, true);
+
+ /* rlookup_binding for ALIAS */
+ will_return(__wrap_fgets, NULL);
+ expect_condlog(3, NOMATCH_STR("MPATHz"));
+
+ /* lookup_binding */
+ will_return(__wrap_fgets, NULL);
+ expect_condlog(3, NOMATCH_WWID_STR("WWID0"));
+
+ mock_allocate_binding("MPATHz", "WWID0");
+ expect_condlog(2, ALLOC_STR("MPATHz", "WWID0"));
+
+ alias = get_user_friendly_alias("WWID0", "x", "MPATHz", "MPATH", false);
+ assert_string_equal(alias, "MPATHz");
+ free(alias);
+}
+
+static void gufa_old_match(void **state) {
+ char *alias;
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file("MPATHb WWID1\n"
+ "MPATHz WWID0",
+ 1);
+ expect_condlog(3, FOUND_ALIAS_STR("MPATHz", "WWID0"));
+
+ alias = get_user_friendly_alias("WWID0", "x", "MPATHz", "MPATH", false);
+ assert_string_equal(alias, "MPATHz");
+ free(alias);
+}
+
+static void gufa_old_match_other(void **state) {
+ char *alias;
+ static const char bindings[] = "MPATHz WWID9";
+
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file(bindings, 0);
+ expect_condlog(3, FOUND_ALIAS_STR("MPATHz", "WWID9"));
+ expect_condlog(0, REUSE_STR("MPATHz", "WWID9"));
+
+ mock_bindings_file(bindings, -1);
+ expect_condlog(3, NOMATCH_WWID_STR("WWID0"));
+ mock_unused_alias("MPATHa");
+
+ mock_allocate_binding("MPATHa", "WWID0");
+
+ alias = get_user_friendly_alias("WWID0", "x", "MPATHz", "MPATH", false);
+ assert_string_equal(alias, "MPATHa");
+ free(alias);
+}
+
+static void gufa_old_match_other_used(void **state) {
+ char *alias;
+ static const char bindings[] = "MPATHz WWID9";
+
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file(bindings, 0);
+ expect_condlog(3, FOUND_ALIAS_STR("MPATHz", "WWID9"));
+ expect_condlog(0, REUSE_STR("MPATHz", "WWID9"));
+
+ mock_bindings_file(bindings, -1);
+ mock_used_alias("MPATHa", USED_STR("MPATHa", "WWID0"));
+ expect_condlog(3, NOMATCH_WWID_STR("WWID0"));
+ mock_unused_alias("MPATHb");
+
+ mock_allocate_binding("MPATHb", "WWID0");
+
+ alias = get_user_friendly_alias("WWID0", "x", "MPATHz", "MPATH", false);
+ assert_string_equal(alias, "MPATHb");
+ free(alias);
+}
+
+static void gufa_old_match_other_wwidmatch(void **state) {
+ char *alias;
+ static const char bindings[] = ("MPATHz WWID9\n"
+ "MPATHc WWID2");
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file(bindings, 0);
+ expect_condlog(3, FOUND_ALIAS_STR("MPATHz", "WWID9"));
+ expect_condlog(0, REUSE_STR("MPATHz", "WWID9"));
+
+ mock_bindings_file(bindings, 1);
+ expect_condlog(3, FOUND_STR("MPATHc", "WWID2"));
+ mock_unused_alias("MPATHc");
+
+ alias = get_user_friendly_alias("WWID2", "x", "MPATHz", "MPATH", false);
+ assert_string_equal(alias, "MPATHc");
+ free(alias);
+}
+
+static void gufa_old_match_other_wwidmatch_used(void **state) {
+ char *alias;
+ static const char bindings[] = ("MPATHz WWID9\n"
+ "MPATHc WWID2");
+
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file(bindings, 0);
+ expect_condlog(3, FOUND_ALIAS_STR("MPATHz", "WWID9"));
+ expect_condlog(0, REUSE_STR("MPATHz", "WWID9"));
+
+ mock_bindings_file(bindings, 1);
+ expect_condlog(3, FOUND_STR("MPATHc", "WWID2"));
+ mock_used_alias("MPATHc", USED_STR("MPATHc", "WWID2"));
+
+ alias = get_user_friendly_alias("WWID2", "x", "MPATHz", "MPATH", false);
+ assert_ptr_equal(alias, NULL);
+}
+
+static void gufa_old_nomatch_wwidmatch(void **state) {
+ char *alias;
+ static const char bindings[] = "MPATHa WWID0";
+
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file(bindings, -1);
+ expect_condlog(3, NOMATCH_STR("MPATHz"));
+
+ mock_bindings_file(bindings, 0);
+ expect_condlog(3, FOUND_STR("MPATHa", "WWID0"));
+ mock_unused_alias("MPATHa");
+ expect_condlog(3, EXISTING_STR("MPATHa", "WWID0"));
+
+ alias = get_user_friendly_alias("WWID0", "x", "MPATHz", "MPATH", false);
+ assert_string_equal(alias, "MPATHa");
+ free(alias);
+}
+
+static void gufa_old_nomatch_wwidmatch_used(void **state) {
+ char *alias;
+ static const char bindings[] = "MPATHa WWID0";
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file(bindings, -1);
+ expect_condlog(3, NOMATCH_STR("MPATHz"));
+
+ mock_bindings_file(bindings, 0);
+ expect_condlog(3, FOUND_STR("MPATHa", "WWID0"));
+ mock_used_alias("MPATHa", USED_STR("MPATHa", "WWID0"));
+
+ alias = get_user_friendly_alias("WWID0", "x", "MPATHz", "MPATH", false);
+ assert_ptr_equal(alias, NULL);
+}
+
+static void gufa_old_nomatch_nowwidmatch(void **state) {
+ char *alias;
+ static const char bindings[] = "MPATHb WWID1";
+
+ will_return(__wrap_open_file, true);
+
+ mock_bindings_file(bindings, -1);
+ expect_condlog(3, NOMATCH_STR("MPATHz"));
+
+ mock_bindings_file(bindings, -1);
+ expect_condlog(3, NOMATCH_WWID_STR("WWID0"));
+
+ mock_allocate_binding("MPATHz", "WWID0");
+ expect_condlog(2, ALLOC_STR("MPATHz", "WWID0"));
+
+ alias = get_user_friendly_alias("WWID0", "x", "MPATHz", "MPATH", false);
+ assert_string_equal(alias, "MPATHz");
+ free(alias);
+}
+
+static int test_get_user_friendly_alias()
+{
+ const struct CMUnitTest tests[] = {
+ cmocka_unit_test(gufa_empty_new_rw),
+ cmocka_unit_test(gufa_empty_new_ro_1),
+ cmocka_unit_test(gufa_empty_new_ro_2),
+ cmocka_unit_test(gufa_match_a_unused),
+ cmocka_unit_test(gufa_match_a_self),
+ cmocka_unit_test(gufa_match_a_used),
+ cmocka_unit_test(gufa_nomatch_a_c),
+ cmocka_unit_test(gufa_nomatch_c_a),
+ cmocka_unit_test(gufa_nomatch_c_b),
+ cmocka_unit_test(gufa_nomatch_c_b_used),
+ cmocka_unit_test(gufa_nomatch_b_f_a),
+ cmocka_unit_test(gufa_old_empty),
+ cmocka_unit_test(gufa_old_match),
+ cmocka_unit_test(gufa_old_match_other),
+ cmocka_unit_test(gufa_old_match_other_used),
+ cmocka_unit_test(gufa_old_match_other_wwidmatch),
+ cmocka_unit_test(gufa_old_match_other_wwidmatch_used),
+ cmocka_unit_test(gufa_old_nomatch_wwidmatch),
+ cmocka_unit_test(gufa_old_nomatch_wwidmatch_used),
+ cmocka_unit_test(gufa_old_nomatch_nowwidmatch),
+ };
+
+ return cmocka_run_group_tests(tests, NULL, NULL);
+}
+
int main(void)
{
int ret = 0;
@@ -1157,6 +1596,8 @@ int main(void)
ret += test_lookup_binding();
ret += test_rlookup_binding();
ret += test_allocate_binding();
+ ret += test_allocate_binding();
+ ret += test_get_user_friendly_alias();
return ret;
}
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