[PATCH v7 8/8] tests/qtest/migration: Add negative tests to validate migration QAPIs

[Het Gala]

Migration QAPI arguments - uri and channels are mutually exhaustive.
Add negative validation tests, one with both arguments present and
one with none present.

Signed-off-by: Het Gala <het.g...@nutanix.com>
Suggested-by: Fabiano Rosas <faro...@suse.de>
Reviewed-by: Fabiano Rosas <faro...@suse.de>
---
 tests/qtest/migration-test.c | 55 +++++++++++++++++++++++++++++++++++-
 1 file changed, 54 insertions(+), 1 deletion(-)

diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 7ea13c8e5b..bd9f4b9dbb 100644
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest/migration-test.c
@@ -1724,7 +1724,7 @@ static void test_precopy_common(MigrateCommon *args)
     }
 
     if (args->result == MIG_TEST_QMP_ERROR) {
-        migrate_qmp_fail(from, args->connect_uri, NULL, "{}");
+        migrate_qmp_fail(from, args->connect_uri, args->connect_uri, "{}");
         goto finish;
     }
 
@@ -2608,6 +2608,55 @@ static void test_validate_uuid_dst_not_set(void)
     do_test_validate_uuid(&args, false);
 }
 
+static void do_test_validate_uri_channel(MigrateCommon *args)
+{
+    QTestState *from, *to;
+
+    if (test_migrate_start(&from, &to, args->listen_uri, &args->start)) {
+        return;
+    }
+
+    /* Wait for the first serial output from the source */
+    wait_for_serial("src_serial");
+
+    /*
+     * 'uri' and 'channels' validation is checked even before the migration
+     * starts.
+     */
+    migrate_qmp_fail(from, args->connect_uri, args->connect_channels, "{}");
+    test_migrate_end(from, to, false);
+}
+
+static void test_validate_uri_channels_both_set(void)
+{
+    MigrateCommon args = {
+        .start = {
+            .hide_stderr = true,
+        },
+        .listen_uri = "defer",
+        .connect_uri = "tcp:127.0.0.1:0",
+        .connect_channels = "[ { 'channel-type': 'main',"
+                            "    'addr': { 'transport': 'socket',"
+                            "              'type': 'inet',"
+                            "              'host': '127.0.0.1',"
+                            "              'port': '0' } } ]",
+    };
+
+    do_test_validate_uri_channel(&args);
+}
+
+static void test_validate_uri_channels_none_set(void)
+{
+    MigrateCommon args = {
+        .start = {
+            .hide_stderr = true,
+        },
+        .listen_uri = "defer",
+    };
+
+    do_test_validate_uri_channel(&args);
+}
+
 /*
  * The way auto_converge works, we need to do too many passes to
  * run this test.  Auto_converge logic is only run once every
@@ -3722,6 +3771,10 @@ int main(int argc, char **argv)
                        test_validate_uuid_src_not_set);
     migration_test_add("/migration/validate_uuid_dst_not_set",
                        test_validate_uuid_dst_not_set);
+    migration_test_add("/migration/validate_uri/channels/both_set",
+                       test_validate_uri_channels_both_set);
+    migration_test_add("/migration/validate_uri/channels/none_set",
+                       test_validate_uri_channels_none_set);
     /*
      * See explanation why this test is slow on function definition
      */
-- 
2.22.3