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The following commit(s) were added to refs/heads/master by this push:
new 1c17c47 Add ConnectionStatus Test Case (#7615)
1c17c47 is described below
commit 1c17c47d979c037d5e72962771348f492579438b
Author: xbkaishui <[email protected]>
AuthorDate: Sun Sep 27 11:35:50 2020 +0800
Add ConnectionStatus Test Case (#7615)
---
.../jdbc/connection/ConnectionStatusTest.java | 106 +++++++++++++++++++++
1 file changed, 106 insertions(+)
diff --git
a/shardingsphere-proxy/shardingsphere-proxy-backend/src/test/java/org/apache/shardingsphere/proxy/backend/communication/jdbc/connection/ConnectionStatusTest.java
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/test/java/org/apache/shardingsphere/proxy/backend/communication/jdbc/connection/ConnectionStatusTest.java
new file mode 100644
index 0000000..2acda4f
--- /dev/null
+++
b/shardingsphere-proxy/shardingsphere-proxy-backend/src/test/java/org/apache/shardingsphere/proxy/backend/communication/jdbc/connection/ConnectionStatusTest.java
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.proxy.backend.communication.jdbc.connection;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.lang.reflect.Field;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+public class ConnectionStatusTest {
+
+ private int numberOfThreads = 10;
+
+ private ExecutorService service;
+
+ private ConnectionStatus connectionStatus;
+
+ private CountDownLatch latch;
+
+ private Field usingField;
+
+ @Before
+ public void setup() throws NoSuchFieldException {
+ connectionStatus = new ConnectionStatus();
+ service = Executors.newFixedThreadPool(numberOfThreads);
+ latch = new CountDownLatch(numberOfThreads);
+ usingField = ConnectionStatus.class.getDeclaredField("isUsing");
+ usingField.setAccessible(true);
+ }
+
+ @Test
+ public void assertSwitchToUsing() throws InterruptedException,
IllegalAccessException {
+ AtomicInteger counter = new AtomicInteger();
+ for (int i = 0; i < numberOfThreads; i++) {
+ service.submit(() -> {
+ connectionStatus.switchToUsing();
+ counter.incrementAndGet();
+ latch.countDown();
+ });
+ }
+ latch.await();
+ assertThat(numberOfThreads, is(counter.get()));
+ assertThat(usingField.getBoolean(connectionStatus), is(true));
+ }
+
+ @Test
+ public void assertSwitchToReleased() throws InterruptedException,
IllegalAccessException {
+ AtomicInteger counter = new AtomicInteger();
+ for (int i = 0; i < numberOfThreads; i++) {
+ service.submit(() -> {
+ connectionStatus.switchToUsing();
+ counter.incrementAndGet();
+ connectionStatus.switchToReleased();
+ counter.decrementAndGet();
+ latch.countDown();
+ });
+ }
+ latch.await();
+ assertThat(counter.get(), is(0));
+ assertThat(usingField.getBoolean(connectionStatus), is(false));
+ }
+
+ @Test
+ public void assertWaitUntilConnectionRelease() throws
InterruptedException, IllegalAccessException {
+ AtomicInteger counter = new AtomicInteger();
+ for (int i = 0; i < numberOfThreads; i++) {
+ service.submit(() -> {
+ connectionStatus.switchToUsing();
+ counter.incrementAndGet();
+ connectionStatus.waitUntilConnectionRelease();
+ counter.decrementAndGet();
+ latch.countDown();
+ });
+ }
+ latch.await(200, TimeUnit.MILLISECONDS);
+ assertThat(counter.get(), is(10));
+ assertThat(usingField.getBoolean(connectionStatus), is(true));
+ connectionStatus.switchToReleased();
+ assertThat(usingField.getBoolean(connectionStatus), is(false));
+ latch.await(300, TimeUnit.MILLISECONDS);
+ assertThat(counter.get(), is(0));
+ }
+}
