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/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed 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.springframework.jdbc.datasource;
import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
import java.sql.Connection;
import javax.sql.DataSource;
import org.junit.Before;
import org.junit.Test;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* Tests for {@link DelegatingDataSource}.
*
* @author Phillip Webb
*/
public class DelegatingDataSourceTest {
private DataSource delegate;
private DelegatingDataSource dataSource;
@Before
public void setup() {
this.delegate = mock(DataSource.class);
this.dataSource = new DelegatingDataSource(delegate);
}
@Test
public void shouldDelegateGetConnection() throws Exception {
Connection connection = mock(Connection.class);
given(delegate.getConnection()).willReturn(connection);
assertThat(dataSource.getConnection(), is(connection));
}
@Test
public void shouldDelegateGetConnectionWithUsernameAndPassword() throws Exception {
Connection connection = mock(Connection.class);
String username = "username";
String password = "password";
given(delegate.getConnection(username, password)).willReturn(connection);
assertThat(dataSource.getConnection(username, password), is(connection));
}
@Test
public void shouldDelegateGetLogWriter() throws Exception {
PrintWriter writer = new PrintWriter(new ByteArrayOutputStream());
given(delegate.getLogWriter()).willReturn(writer);
assertThat(dataSource.getLogWriter(), is(writer));
}
@Test
public void shouldDelegateSetLogWriter() throws Exception {
PrintWriter writer = new PrintWriter(new ByteArrayOutputStream());
dataSource.setLogWriter(writer);
verify(delegate).setLogWriter(writer);
}
@Test
public void shouldDelegateGetLoginTimeout() throws Exception {
int timeout = 123;
given(delegate.getLoginTimeout()).willReturn(timeout);
assertThat(dataSource.getLoginTimeout(), is(timeout));
}
@Test
public void shouldDelegateSetLoginTimeoutWithSeconds() throws Exception {
int timeout = 123;
dataSource.setLoginTimeout(timeout);
verify(delegate).setLoginTimeout(timeout);
}
@Test
public void shouldDelegateUnwrapWithoutImplementing() throws Exception {
ExampleWrapper wrapper = mock(ExampleWrapper.class);
given(delegate.unwrap(ExampleWrapper.class)).willReturn(wrapper);
assertThat(dataSource.unwrap(ExampleWrapper.class), is(wrapper));
}
@Test
public void shouldDelegateUnwrapImplementing() throws Exception {
dataSource = new DelegatingDataSourceWithWrapper();
assertThat(dataSource.unwrap(ExampleWrapper.class),
is((ExampleWrapper) dataSource));
}
@Test
public void shouldDelegateIsWrapperForWithoutImplementing() throws Exception {
given(delegate.isWrapperFor(ExampleWrapper.class)).willReturn(true);
assertThat(dataSource.isWrapperFor(ExampleWrapper.class), is(true));
}
@Test
public void shouldDelegateIsWrapperForImplementing() throws Exception {
dataSource = new DelegatingDataSourceWithWrapper();
assertThat(dataSource.isWrapperFor(ExampleWrapper.class), is(true));
}
public static interface ExampleWrapper {
}
private static class DelegatingDataSourceWithWrapper extends DelegatingDataSource
implements ExampleWrapper {
}
}
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