cadonna commented on code in PR #12821:
URL: https://github.com/apache/kafka/pull/12821#discussion_r1081170724
##########
streams/src/test/java/org/apache/kafka/streams/processor/internals/StateManagerUtilTest.java:
##########
@@ -187,151 +137,107 @@ public void
testCloseStateManagerThrowsExceptionWhenClean() {
// Thrown stateMgr exception will not be wrapped.
assertEquals("state manager failed to close", thrown.getMessage());
- ctrl.verify();
+ // The unlock logic should still be executed.
+ verify(stateDirectory).unlock(taskId);
}
@Test
public void testCloseStateManagerThrowsExceptionWhenDirty() {
- expect(stateManager.taskId()).andReturn(taskId);
-
- expect(stateDirectory.lock(taskId)).andReturn(true);
-
- stateManager.close();
- expectLastCall().andThrow(new ProcessorStateException("state manager
failed to close"));
-
- stateDirectory.unlock(taskId);
-
- ctrl.checkOrder(true);
- ctrl.replay();
+ when(stateManager.taskId()).thenReturn(taskId);
+ when(stateDirectory.lock(taskId)).thenReturn(true);
+ doThrow(new ProcessorStateException("state manager failed to
close")).when(stateManager).close();
assertThrows(
ProcessorStateException.class,
() -> StateManagerUtil.closeStateManager(
logger, "logPrefix:", false, false, stateManager,
stateDirectory, TaskType.ACTIVE));
- ctrl.verify();
+ verify(stateDirectory).unlock(taskId);
}
@Test
public void testCloseStateManagerWithStateStoreWipeOut() {
- expect(stateManager.taskId()).andReturn(taskId);
- expect(stateDirectory.lock(taskId)).andReturn(true);
-
- stateManager.close();
- expectLastCall();
-
+ final InOrder inOrder = inOrder(stateManager, stateDirectory);
+ when(stateManager.taskId()).thenReturn(taskId);
+ when(stateDirectory.lock(taskId)).thenReturn(true);
// The `baseDir` will be accessed when attempting to delete the state
store.
-
expect(stateManager.baseDir()).andReturn(TestUtils.tempDirectory("state_store"));
-
- stateDirectory.unlock(taskId);
- expectLastCall();
-
- ctrl.checkOrder(true);
- ctrl.replay();
+
when(stateManager.baseDir()).thenReturn(TestUtils.tempDirectory("state_store"));
StateManagerUtil.closeStateManager(logger,
"logPrefix:", false, true, stateManager, stateDirectory,
TaskType.ACTIVE);
- ctrl.verify();
+ inOrder.verify(stateManager).close();
+ inOrder.verify(stateDirectory).unlock(taskId);
+ verifyNoMoreInteractions(stateManager, stateDirectory);
}
@Test
- public void shouldStillWipeStateStoresIfCloseThrowsException() throws
IOException {
+ public void shouldStillWipeStateStoresIfCloseThrowsException() {
final File randomFile = new File("/random/path");
- mockStatic(Utils.class);
-
- expect(stateManager.taskId()).andReturn(taskId);
- expect(stateDirectory.lock(taskId)).andReturn(true);
-
- stateManager.close();
- expectLastCall().andThrow(new ProcessorStateException("Close failed"));
-
- expect(stateManager.baseDir()).andReturn(randomFile);
- Utils.delete(randomFile);
+ when(stateManager.taskId()).thenReturn(taskId);
+ when(stateDirectory.lock(taskId)).thenReturn(true);
+ doThrow(new ProcessorStateException("Close
failed")).when(stateManager).close();
+ when(stateManager.baseDir()).thenReturn(randomFile);
- stateDirectory.unlock(taskId);
- expectLastCall();
+ try (MockedStatic<Utils> utils = mockStatic(Utils.class)) {
+ assertThrows(ProcessorStateException.class, () ->
+ StateManagerUtil.closeStateManager(logger, "logPrefix:",
false, true, stateManager, stateDirectory, TaskType.ACTIVE));
+ }
- ctrl.checkOrder(true);
- ctrl.replay();
-
- replayAll();
-
- assertThrows(ProcessorStateException.class, () ->
- StateManagerUtil.closeStateManager(logger, "logPrefix:", false,
true, stateManager, stateDirectory, TaskType.ACTIVE));
-
- ctrl.verify();
+ verify(stateDirectory).unlock(taskId);
}
@Test
- public void
testCloseStateManagerWithStateStoreWipeOutRethrowWrappedIOException() throws
IOException {
+ public void
testCloseStateManagerWithStateStoreWipeOutRethrowWrappedIOException() {
final File unknownFile = new File("/unknown/path");
- mockStatic(Utils.class);
-
- expect(stateManager.taskId()).andReturn(taskId);
- expect(stateDirectory.lock(taskId)).andReturn(true);
-
- stateManager.close();
- expectLastCall();
-
- expect(stateManager.baseDir()).andReturn(unknownFile);
-
- Utils.delete(unknownFile);
- expectLastCall().andThrow(new IOException("Deletion failed"));
+ final InOrder inOrder = inOrder(stateManager, stateDirectory);
+ when(stateManager.taskId()).thenReturn(taskId);
+ when(stateDirectory.lock(taskId)).thenReturn(true);
+ when(stateManager.baseDir()).thenReturn(unknownFile);
- stateDirectory.unlock(taskId);
- expectLastCall();
+ try (MockedStatic<Utils> utils = mockStatic(Utils.class)) {
+ utils.when(() -> Utils.delete(unknownFile)).thenThrow(new
IOException("Deletion failed"));
- ctrl.checkOrder(true);
- ctrl.replay();
+ final ProcessorStateException thrown = assertThrows(
+ ProcessorStateException.class, () ->
StateManagerUtil.closeStateManager(logger,
+ "logPrefix:", false, true, stateManager,
stateDirectory, TaskType.ACTIVE));
- replayAll();
+ assertEquals(IOException.class, thrown.getCause().getClass());
+ }
- final ProcessorStateException thrown = assertThrows(
- ProcessorStateException.class, () ->
StateManagerUtil.closeStateManager(logger,
- "logPrefix:", false, true, stateManager, stateDirectory,
TaskType.ACTIVE));
-
- assertEquals(IOException.class, thrown.getCause().getClass());
-
- ctrl.verify();
+ inOrder.verify(stateManager).close();
+ inOrder.verify(stateDirectory).unlock(taskId);
+ verifyNoMoreInteractions(stateManager, stateDirectory);
}
@Test
public void shouldNotCloseStateManagerIfUnableToLockTaskDirectory() {
- expect(stateManager.taskId()).andReturn(taskId);
-
- expect(stateDirectory.lock(taskId)).andReturn(false);
-
- stateManager.close();
- expectLastCall().andThrow(new AssertionError("Should not be trying to
close state you don't own!"));
-
- ctrl.checkOrder(true);
- ctrl.replay();
-
- replayAll();
+ final InOrder inOrder = inOrder(stateManager, stateDirectory);
+ when(stateManager.taskId()).thenReturn(taskId);
+ when(stateDirectory.lock(taskId)).thenReturn(false);
StateManagerUtil.closeStateManager(
- logger, "logPrefix:", true, false, stateManager, stateDirectory,
TaskType.ACTIVE);
+ logger, "logPrefix:", true, false, stateManager,
stateDirectory, TaskType.ACTIVE);
+
+ inOrder.verify(stateManager, never()).close();
+ inOrder.verify(stateManager, never()).baseDir();
+ inOrder.verify(stateDirectory, never()).unlock(taskId);
Review Comment:
Looks great!
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