Fix unit test compilation, remove SyncStandbysDefined tests

SetSyncStandbysDefined and friends are now much simpler; there isn't
really anything interesting to test anymore. We already have an
integration test that covers the operation for the whole cluster.

src/backend/mock.mk

@@ -58,7 +58,6 @@ EXCL_OBJS+=\
 	src/backend/utils/adt/lockfuncs.o \
 	src/backend/utils/adt/mac.o \
 	src/backend/utils/adt/matrix.o \
-	src/backend/utils/adt/misc.o \
 	src/backend/utils/adt/oracle_compat.o \
 	src/backend/utils/adt/pgstatfuncs.o \
 	src/backend/utils/adt/pivot.o \

src/backend/replication/test/gp_replication_test.c

@@ -115,84 +115,6 @@ test_GetMirrorStatus_WALSNDSTATE_STREAMING(void **state)
 	assert_true(response.IsInSync);
 }
 
-void
-test_SetSyncStandbysDefined(void **state)
-{
-	WalSndCtlData data;
-	WalSndCtl = &data;
-	data.sync_standbys_defined = false;
-
-	expect_lwlock(LW_EXCLUSIVE);
-#ifdef USE_ASSERT_CHECKING
-	expect_value(LWLockHeldByMe, lockid, SyncRepLock);
-	will_return(LWLockHeldByMe, true);
-#endif
-
-	/*
-	 * set_gp_replication_config() should only be called once when mirror first
-	 * comes up to set synchronous wal rep state
-	 */
-	expect_string_count(set_gp_replication_config, name, "synchronous_standby_names", 1);
-	expect_string_count(set_gp_replication_config, value, "*", 1);
-	will_be_called(set_gp_replication_config);
-
-	/* simulate first call when mirror first comes up */
-	assert_false(WalSndCtl->sync_standbys_defined);
-	assert_true(SyncRepStandbyNames == NULL);
-	SetSyncStandbysDefined();
-
-	/* relative variables should have updated */
-	assert_true(WalSndCtl->sync_standbys_defined);
-	assert_true(strcmp(SyncRepStandbyNames, "*") == 0);
-
-	expect_lwlock(LW_EXCLUSIVE);
-
-	/* simulate second call after sync state is set which should do nothing */
-	SetSyncStandbysDefined();
-}
-
-void
-test_UnsetSyncStandbysDefined(void **state)
-{
-	int shmqueuenext_calls;
-	WalSndCtlData data;
-	WalSndCtl = &data;
-	data.sync_standbys_defined = true;
-
-	/* mock SHMQueueNext to skip the SyncRepWakeQueue */
-#ifdef USE_ASSERT_CHECKING
-	shmqueuenext_calls = 4;
-#else
-	shmqueuenext_calls = 2;
-#endif
-	expect_any_count(SHMQueueNext, queue, shmqueuenext_calls);
-	expect_any_count(SHMQueueNext, curElem, shmqueuenext_calls);
-	expect_any_count(SHMQueueNext, linkOffset, shmqueuenext_calls);
-	will_return_count(SHMQueueNext, NULL, shmqueuenext_calls);
-
-	expect_lwlock(LW_EXCLUSIVE);
-#ifdef USE_ASSERT_CHECKING
-	expect_value(LWLockHeldByMe, lockid, SyncRepLock);
-	will_return(LWLockHeldByMe, true);
-#endif
-
-	/* unset the GUC in-memory */
-	expect_string_count(set_gp_replication_config, name, "synchronous_standby_names", 1);
-	expect_string_count(set_gp_replication_config, value, "", 1);
-	will_be_called(set_gp_replication_config);
-
-	/* simulate call when primary is in synchronous replication */
-	assert_true(WalSndCtl->sync_standbys_defined);
-	assert_true(strcmp(SyncRepStandbyNames, "*") == 0);
-
-	/* call the function we are testing */
-	UnsetSyncStandbysDefined();
-
-	/* relative variables should have updated */
-	assert_false(WalSndCtl->sync_standbys_defined);
-	assert_true(strcmp(SyncRepStandbyNames, "") == 0);
-}
-
 int
 main(int argc, char* argv[])
 {
@@ -203,9 +125,7 @@ main(int argc, char* argv[])
 		unit_test(test_GetMirrorStatus_WALSNDSTATE_STARTUP),
 		unit_test(test_GetMirrorStatus_WALSNDSTATE_BACKUP),
 		unit_test(test_GetMirrorStatus_WALSNDSTATE_CATCHUP),
-		unit_test(test_GetMirrorStatus_WALSNDSTATE_STREAMING),
-		unit_test(test_SetSyncStandbysDefined),
-		unit_test(test_UnsetSyncStandbysDefined)
+		unit_test(test_GetMirrorStatus_WALSNDSTATE_STREAMING)
 	};
 	return run_tests(tests);
 }