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new 4cafbb5 Unit tests added for DataSourceWrapper (#12898)
4cafbb5 is described below
commit 4cafbb5cb68ab01ee77cf47521012127d5f1c345
Author: Ali Kaan Bacı <[email protected]>
AuthorDate: Thu Oct 7 07:39:30 2021 +0300
Unit tests added for DataSourceWrapper (#12898)
* Unit tests added for DataSourceWrapper
* added licence header
* code style fix
* code review fix
Co-authored-by: Ali Kaan BACI <[email protected]>
---
.../common/datasource/DataSourceWrapperTest.java | 118 +++++++++++++++++++++
1 file changed, 118 insertions(+)
diff --git
a/shardingsphere-scaling/shardingsphere-scaling-core/src/test/java/org/apache/shardingsphere/scaling/core/common/datasource/DataSourceWrapperTest.java
b/shardingsphere-scaling/shardingsphere-scaling-core/src/test/java/org/apache/shardingsphere/scaling/core/common/datasource/DataSourceWrapperTest.java
new file mode 100644
index 0000000..d5903d9
--- /dev/null
+++
b/shardingsphere-scaling/shardingsphere-scaling-core/src/test/java/org/apache/shardingsphere/scaling/core/common/datasource/DataSourceWrapperTest.java
@@ -0,0 +1,118 @@
+/*
+ * 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.scaling.core.common.datasource;
+
+import java.io.PrintWriter;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.logging.Logger;
+import javax.sql.DataSource;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public final class DataSourceWrapperTest {
+
+ private static final String CLIENT_USERNAME = "username";
+
+ private static final String CLIENT_PASSWORD = "password";
+
+ private static final int LOGIN_TIMEOUT = 15;
+
+ @Mock(extraInterfaces = AutoCloseable.class)
+ private DataSource dataSource;
+
+ @Mock
+ private Connection connection;
+
+ @Mock
+ private PrintWriter printWriter;
+
+ @Mock
+ private Logger parentLogger;
+
+ @Before
+ public void setUp() throws SQLException {
+ when(dataSource.getConnection()).thenReturn(connection);
+ when(dataSource.getConnection(CLIENT_USERNAME,
CLIENT_PASSWORD)).thenReturn(connection);
+ when(dataSource.getLogWriter()).thenReturn(printWriter);
+ when(dataSource.getLoginTimeout()).thenReturn(LOGIN_TIMEOUT);
+ when(dataSource.isWrapperFor(any())).thenReturn(Boolean.TRUE);
+ when(dataSource.getParentLogger()).thenReturn(parentLogger);
+ }
+
+ @Test
+ public void assertGetConnection() throws SQLException {
+ DataSourceWrapper dataSourceWrapper = new
DataSourceWrapper(dataSource);
+ assertThat(dataSourceWrapper.getConnection(), is(connection));
+ assertThat(dataSourceWrapper.getConnection(CLIENT_USERNAME,
CLIENT_PASSWORD), is(connection));
+ assertGetLogWriter(dataSourceWrapper.getLogWriter());
+ assertGetLoginTimeout(dataSourceWrapper.getLoginTimeout());
+ assertIsWrappedFor(dataSourceWrapper.isWrapperFor(any()));
+ assertGetParentLogger(dataSourceWrapper.getParentLogger());
+ }
+
+ private void assertGetLogWriter(final PrintWriter actual) {
+ assertThat(actual, is(printWriter));
+ }
+
+ private void assertGetLoginTimeout(final int actual) {
+ assertThat(actual, is(LOGIN_TIMEOUT));
+ }
+
+ private void assertIsWrappedFor(final boolean actual) {
+ assertThat(actual, is(Boolean.TRUE));
+ }
+
+ private void assertGetParentLogger(final Logger actual) {
+ assertThat(actual, is(parentLogger));
+ }
+
+ @Test(expected = SQLException.class)
+ public void assertSetLoginTimeoutFailure() throws SQLException {
+ doThrow(new
SQLException("")).when(dataSource).setLoginTimeout(LOGIN_TIMEOUT);
+ new DataSourceWrapper(dataSource).setLoginTimeout(LOGIN_TIMEOUT);
+ }
+
+ @Test(expected = SQLException.class)
+ public void assertSetLogWriterFailure() throws SQLException {
+ doThrow(new
SQLException("")).when(dataSource).setLogWriter(printWriter);
+ new DataSourceWrapper(dataSource).setLogWriter(printWriter);
+ }
+
+ @Test(expected = SQLException.class)
+ public void assertCloseExceptionFailure() throws Exception {
+ doThrow(new Exception("")).when((AutoCloseable) dataSource).close();
+ new DataSourceWrapper(dataSource).close();
+ }
+
+ @Test(expected = SQLException.class)
+ public void assertCloseSQLExceptionFailure() throws Exception {
+ doThrow(new SQLException("")).when((AutoCloseable) dataSource).close();
+ new DataSourceWrapper(dataSource).close();
+ }
+}
