/**
* Copyright 2010 Google Inc.
*
* 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 com.google.diffable.config;
import static org.easymock.EasyMock.*;
import java.util.Properties;
import org.apache.log4j.Logger;
import org.junit.Test;
import com.google.inject.Guice;
import static org.junit.Assert.*;
public class TestBaseModule {
private Properties props;
private MessageProvider provider =
new MessageProvider("com/google/diffable/bundles/");
@Test
public void testDefaultsNoProps() {
BaseModule module = new BaseModule();
ModuleTestInterface instance =
Guice.createInjector(module).getInstance(ModuleTestInterface.class);
assertTrue(instance instanceof DefaultImplementation);
assertEquals("Default", instance.getInjectedValue());
}
@Test
public void testDefaultImplementationModifiedValue() {
props = new Properties();
props.put("InjectedValue", "Modified");
BaseModule module = new BaseModule(props);
ModuleTestInterface instance =
Guice.createInjector(module).getInstance(ModuleTestInterface.class);
assertTrue(instance instanceof DefaultImplementation);
assertEquals("Modified", instance.getInjectedValue());
}
@Test
public void testOverrideImplementationDefaultValue() {
props = new Properties();
props.put("com.google.diffable.config.ModuleTestInterface",
"com.google.diffable.config.OverrideImplementation");
BaseModule module = new BaseModule(props);
ModuleTestInterface instance =
Guice.createInjector(module).getInstance(ModuleTestInterface.class);
assertTrue(instance instanceof OverrideImplementation);
assertEquals("Override", instance.getInjectedValue());
}
@Test
public void testOverrideImplementationOverrideValue() {
props = new Properties();
props.put("InjectedValue", "Modified");
props.put("com.google.diffable.config.ModuleTestInterface",
"com.google.diffable.config.OverrideImplementation");
BaseModule module = new BaseModule(props);
ModuleTestInterface instance =
Guice.createInjector(module).getInstance(ModuleTestInterface.class);
assertTrue(instance instanceof OverrideImplementation);
assertEquals("Modified", instance.getInjectedValue());
}
@Test
public void testOverrideClassNotFound() {
props = new Properties();
props.put("com.google.diffable.config.ModuleTestInterface",
"com.google.diffable.config.DoesntExist");
Logger mockLogger = createMock(Logger.class);
String error = String.format(
provider.getMessage(
"ErrorMessages", "module.classnotfound"),
"com.google.diffable.config.DoesntExist",
"com.google.diffable.config.ModuleTestInterface");
mockLogger.error(error);
replay(mockLogger);
BaseModule module = new BaseModule(props);
module.setLogger(mockLogger);
Guice.createInjector(module).getInstance(ModuleTestInterface.class);
}
@Test
public void testOverrideDoesntImplement() {
props = new Properties();
props.put("com.google.diffable.config.ModuleTestInterface",
"com.google.diffable.config.TestBaseModule");
Logger mockLogger = createMock(Logger.class);
String error = String.format(
provider.getMessage(
"ErrorMessages", "module.notimplemented"),
"com.google.diffable.config.TestBaseModule",
"com.google.diffable.config.ModuleTestInterface");
mockLogger.error(error);
replay(mockLogger);
BaseModule module = new BaseModule(props);
module.setLogger(mockLogger);
Guice.createInjector(module).getInstance(ModuleTestInterface.class);
}
}