1996fanrui commented on code in PR #23200: URL: https://github.com/apache/flink/pull/23200#discussion_r1292790559
########## flink-runtime/src/test/java/org/apache/flink/runtime/io/disk/BatchShuffleReadBufferPoolTest.java: ########## @@ -172,20 +171,20 @@ public void testBufferFulfilledByRecycledBuffers() throws Exception { requestThread.join(); } - assertNull(exception.get()); - assertEquals(0, bufferPool.getAvailableBuffers()); - assertEquals(8, buffers.size()); + assertThat(exception.get()).isNull(); + assertThat(bufferPool.getAvailableBuffers()).isEqualTo(0); Review Comment: ```suggestion assertThat(bufferPool.getAvailableBuffers()).isZero(); ``` ########## flink-runtime/src/test/java/org/apache/flink/runtime/io/disk/SpillingBufferTest.java: ########## @@ -196,11 +199,12 @@ public void testWriteReadTooMuchInMemory() throws Exception { int k2 = readRec.f0; String v2 = readRec.f1; - Assert.assertTrue( - "The re-generated and the notifyNonEmpty record do not match.", - k1 == k2 && v1.equals(v2)); + assertThat(k1 == k2 && v1.equals(v2)) + .withFailMessage( + "The re-generated and the notifyNonEmpty record do not match.") + .isTrue(); } - Assert.fail("Read too much, expected EOFException."); + fail("Read too much, expected EOFException."); } catch (EOFException eofex) { Review Comment: Could using the `assertThatThrownBy` instead of `fail` and `catch`? ########## flink-runtime/src/test/java/org/apache/flink/runtime/io/disk/FileChannelManagerImplTest.java: ########## @@ -130,24 +132,27 @@ private void testDirectoriesCleanupOnKill(boolean callerHasHook) throws Exceptio Runtime.getRuntime() .exec("kill " + fileChannelManagerTestProcess.getProcessId()); kill.waitFor(); - assertEquals("Failed to send SIG_TERM to process", 0, kill.exitValue()); + assertThat(kill.exitValue()) + .withFailMessage("Failed to send SIG_TERM to process") + .isEqualTo(0); Review Comment: ```suggestion .isZero(); ``` ########## flink-runtime/src/test/java/org/apache/flink/runtime/io/disk/BatchShuffleReadBufferPoolTest.java: ########## @@ -220,52 +219,52 @@ public void testMultipleThreadRequestAndRecycle() throws Exception { requestThread.join(); } - assertNull(exception.get()); - assertEquals(bufferPool.getNumTotalBuffers(), bufferPool.getAvailableBuffers()); + assertThat(exception.get()).isNull(); + assertThat(bufferPool.getAvailableBuffers()).isEqualTo(bufferPool.getNumTotalBuffers()); } finally { bufferPool.destroy(); } } @Test - public void testDestroy() throws Exception { + void testDestroy() throws Exception { BatchShuffleReadBufferPool bufferPool = createBufferPool(); List<MemorySegment> buffers = bufferPool.requestBuffers(); bufferPool.recycle(buffers); - assertFalse(bufferPool.isDestroyed()); - assertEquals(bufferPool.getNumTotalBuffers(), bufferPool.getAvailableBuffers()); + assertThat(bufferPool.isDestroyed()).isFalse(); + assertThat(bufferPool.getAvailableBuffers()).isEqualTo(bufferPool.getNumTotalBuffers()); buffers = bufferPool.requestBuffers(); - assertEquals( - bufferPool.getNumTotalBuffers() - buffers.size(), bufferPool.getAvailableBuffers()); + assertThat(bufferPool.getAvailableBuffers()) + .isEqualTo(bufferPool.getNumTotalBuffers() - buffers.size()); bufferPool.destroy(); - assertTrue(bufferPool.isDestroyed()); - assertEquals(0, bufferPool.getAvailableBuffers()); + assertThat(bufferPool.isDestroyed()).isTrue(); + assertThat(bufferPool.getAvailableBuffers()).isEqualTo(0); } - @Test(expected = IllegalStateException.class) - public void testRequestBuffersAfterDestroyed() throws Exception { + @Test + void testRequestBuffersAfterDestroyed() throws Exception { BatchShuffleReadBufferPool bufferPool = createBufferPool(); bufferPool.requestBuffers(); bufferPool.destroy(); - bufferPool.requestBuffers(); + assertThatThrownBy(bufferPool::requestBuffers).isInstanceOf(IllegalStateException.class); } @Test - public void testRecycleAfterDestroyed() throws Exception { + void testRecycleAfterDestroyed() throws Exception { BatchShuffleReadBufferPool bufferPool = createBufferPool(); List<MemorySegment> buffers = bufferPool.requestBuffers(); bufferPool.destroy(); bufferPool.recycle(buffers); - assertEquals(0, bufferPool.getAvailableBuffers()); + assertThat(bufferPool.getAvailableBuffers()).isEqualTo(0); Review Comment: ```suggestion assertThat(bufferPool.getAvailableBuffers()).isZero(); ``` ########## flink-runtime/src/test/java/org/apache/flink/runtime/io/disk/BatchShuffleReadBufferPoolTest.java: ########## @@ -220,52 +219,52 @@ public void testMultipleThreadRequestAndRecycle() throws Exception { requestThread.join(); } - assertNull(exception.get()); - assertEquals(bufferPool.getNumTotalBuffers(), bufferPool.getAvailableBuffers()); + assertThat(exception.get()).isNull(); + assertThat(bufferPool.getAvailableBuffers()).isEqualTo(bufferPool.getNumTotalBuffers()); } finally { bufferPool.destroy(); } } @Test - public void testDestroy() throws Exception { + void testDestroy() throws Exception { BatchShuffleReadBufferPool bufferPool = createBufferPool(); List<MemorySegment> buffers = bufferPool.requestBuffers(); bufferPool.recycle(buffers); - assertFalse(bufferPool.isDestroyed()); - assertEquals(bufferPool.getNumTotalBuffers(), bufferPool.getAvailableBuffers()); + assertThat(bufferPool.isDestroyed()).isFalse(); + assertThat(bufferPool.getAvailableBuffers()).isEqualTo(bufferPool.getNumTotalBuffers()); buffers = bufferPool.requestBuffers(); - assertEquals( - bufferPool.getNumTotalBuffers() - buffers.size(), bufferPool.getAvailableBuffers()); + assertThat(bufferPool.getAvailableBuffers()) + .isEqualTo(bufferPool.getNumTotalBuffers() - buffers.size()); bufferPool.destroy(); - assertTrue(bufferPool.isDestroyed()); - assertEquals(0, bufferPool.getAvailableBuffers()); + assertThat(bufferPool.isDestroyed()).isTrue(); + assertThat(bufferPool.getAvailableBuffers()).isEqualTo(0); Review Comment: ```suggestion assertThat(bufferPool.getAvailableBuffers()).isZero(); ``` -- This is an automated message from the Apache Git Service. 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