[PATCH 1/2] qtest/migration-test.c: Add test with compress enabled

[PATCH 1/2] qtest/migration-test.c: Add test with compress enabled

[Lukas Straub]

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There has never been a test for migration with compress enabled.

Add a suitable test, testing with compress-wait-thread = false
too.

iterations = 2 is intentional, so it also tests that no invalid
thread state is left over from the previous iteration.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
---
 tests/qtest/migration-test.c | 67 ++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 3b615b0da9..dbcab2e8ae 100644
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest/migration-test.c
@@ -406,6 +406,41 @@ static void migrate_set_parameter_str(QTestState *who, const char *parameter,
     migrate_check_parameter_str(who, parameter, value);
 }
 
+static long long migrate_get_parameter_bool(QTestState *who,
+                                           const char *parameter)
+{
+    QDict *rsp;
+    int result;
+
+    rsp = wait_command(who, "{ 'execute': 'query-migrate-parameters' }");
+    result = qdict_get_bool(rsp, parameter);
+    qobject_unref(rsp);
+    return !!result;
+}
+
+static void migrate_check_parameter_bool(QTestState *who, const char *parameter,
+                                        int value)
+{
+    int result;
+
+    result = migrate_get_parameter_bool(who, parameter);
+    g_assert_cmpint(result, ==, value);
+}
+
+static void migrate_set_parameter_bool(QTestState *who, const char *parameter,
+                                      int value)
+{
+    QDict *rsp;
+
+    rsp = qtest_qmp(who,
+                    "{ 'execute': 'migrate-set-parameters',"
+                    "'arguments': { %s: %i } }",
+                    parameter, value);
+    g_assert(qdict_haskey(rsp, "return"));
+    qobject_unref(rsp);
+    migrate_check_parameter_bool(who, parameter, value);
+}
+
 static void migrate_ensure_non_converge(QTestState *who)
 {
     /* Can't converge with 1ms downtime + 3 mbs bandwidth limit */
@@ -1524,6 +1559,36 @@ static void test_precopy_unix_xbzrle(void)
     test_precopy_common(&args);
 }
 
+static void *
+test_migrate_compress_start(QTestState *from,
+                          QTestState *to)
+{
+    migrate_set_parameter_int(from, "compress-level", 9);
+    migrate_set_parameter_int(from, "compress-threads", 1);
+    migrate_set_parameter_bool(from, "compress-wait-thread", false);
+    migrate_set_parameter_int(to, "decompress-threads", 1);
+
+    migrate_set_capability(from, "compress", true);
+    migrate_set_capability(to, "compress", true);
+
+    return NULL;
+}
+
+static void test_precopy_unix_compress(void)
+{
+    g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
+    MigrateCommon args = {
+        .connect_uri = uri,
+        .listen_uri = uri,
+
+        .start_hook = test_migrate_compress_start,
+
+        .iterations = 2,
+    };
+
+    test_precopy_common(&args);
+}
+
 static void test_precopy_tcp_plain(void)
 {
     MigrateCommon args = {
@@ -2515,6 +2580,8 @@ int main(int argc, char **argv)
     qtest_add_func("/migration/bad_dest", test_baddest);
     qtest_add_func("/migration/precopy/unix/plain", test_precopy_unix_plain);
     qtest_add_func("/migration/precopy/unix/xbzrle", test_precopy_unix_xbzrle);
+    qtest_add_func("/migration/precopy/unix/compress",
+                   test_precopy_unix_compress);
 #ifdef CONFIG_GNUTLS
     qtest_add_func("/migration/precopy/unix/tls/psk",
                    test_precopy_unix_tls_psk);
-- 
2.30.2


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