/**
* Copyright (C) 2012 Ness Computing, 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.nesscomputing.httpclient.guice;
import com.google.inject.Binder;
import com.google.inject.ConfigurationException;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Key;
import com.google.inject.Module;
import com.google.inject.Stage;
import com.google.inject.name.Names;
import org.junit.Assert;
import org.junit.Test;
import com.nesscomputing.config.Config;
import com.nesscomputing.config.ConfigModule;
import com.nesscomputing.httpclient.HttpClient;
import com.nesscomputing.lifecycle.Lifecycle;
import com.nesscomputing.lifecycle.LifecycleStage;
import com.nesscomputing.lifecycle.guice.LifecycleModule;
public class TestGuiceModule
{
private static final Module ENFORCEMENT_MODULE = new Module() {
@Override
public void configure(final Binder binder) {
binder.disableCircularProxies();
binder.requireExplicitBindings();
}
};
@Test
public void testDefault()
{
final Injector injector = Guice.createInjector(Stage.PRODUCTION,
ConfigModule.forTesting(),
ENFORCEMENT_MODULE,
new LifecycleModule(),
new HttpClientModule("test"));
final HttpClient httpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("test")));
Assert.assertNotNull(httpClient);
}
@Test(expected = ConfigurationException.class)
public void testDefaultIsBad()
{
final Injector injector = Guice.createInjector(Stage.PRODUCTION,
ConfigModule.forTesting(),
ENFORCEMENT_MODULE,
new LifecycleModule(),
new HttpClientModule("test"));
injector.getInstance(Key.get(HttpClient.class, Names.named("_some_strange_thing")));
}
@Test
public void testGetNamed()
{
final Injector injector = Guice.createInjector(Stage.PRODUCTION,
ConfigModule.forTesting(),
ENFORCEMENT_MODULE,
new LifecycleModule(),
new HttpClientModule("testing"));
final HttpClient httpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("testing")));
Assert.assertNotNull(httpClient);
}
@Test
public void testMultiple()
{
final Injector injector = Guice.createInjector(Stage.PRODUCTION,
ConfigModule.forTesting(),
ENFORCEMENT_MODULE,
new LifecycleModule(),
new HttpClientModule("testing"),
new HttpClientModule("running"));
final HttpClient testingHttpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("testing")));
final HttpClient runningHttpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("running")));
Assert.assertNotNull(testingHttpClient);
Assert.assertNotNull(runningHttpClient);
Assert.assertFalse(testingHttpClient == runningHttpClient);
}
@Test
public void testMultipleWithLifecycle()
{
final Config config = Config.getFixedConfig("ness.httpclient.user-agent", "default",
"ness.httpclient.testing.user-agent", "testing",
"ness.httpclient.running.user-agent", "running");
final Injector injector = Guice.createInjector(Stage.PRODUCTION,
new ConfigModule(config),
ENFORCEMENT_MODULE,
new LifecycleModule(),
new HttpClientModule("testing"),
new HttpClientModule("running"));
final Lifecycle lifecycle = injector.getInstance(Lifecycle.class);
final HttpClient testingHttpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("testing")));
final HttpClient runningHttpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("running")));
Assert.assertNotNull(testingHttpClient);
Assert.assertNotNull(runningHttpClient);
Assert.assertFalse(testingHttpClient == runningHttpClient);
Assert.assertFalse(testingHttpClient.isStarted());
Assert.assertFalse(runningHttpClient.isStarted());
Assert.assertFalse(testingHttpClient.isStopped());
Assert.assertFalse(runningHttpClient.isStopped());
lifecycle.executeTo(LifecycleStage.START_STAGE);
Assert.assertTrue(testingHttpClient.isStarted());
Assert.assertTrue(runningHttpClient.isStarted());
Assert.assertFalse(testingHttpClient.isStopped());
Assert.assertFalse(runningHttpClient.isStopped());
lifecycle.executeTo(LifecycleStage.STOP_STAGE);
Assert.assertTrue(testingHttpClient.isStarted());
Assert.assertTrue(runningHttpClient.isStarted());
Assert.assertTrue(testingHttpClient.isStopped());
Assert.assertTrue(runningHttpClient.isStopped());
}
@Test
public void testMultipleWithLifecycleAndDefault()
{
final Config config = Config.getFixedConfig("ness.httpclient.user-agent", "default");
final Injector injector = Guice.createInjector(Stage.PRODUCTION,
new ConfigModule(config),
ENFORCEMENT_MODULE,
new LifecycleModule(),
new HttpClientModule("test"),
new HttpClientModule("running"));
final Lifecycle lifecycle = injector.getInstance(Lifecycle.class);
final HttpClient defaultHttpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("test")));
final HttpClient runningHttpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("running")));
Assert.assertNotNull(defaultHttpClient);
Assert.assertNotNull(runningHttpClient);
Assert.assertFalse(defaultHttpClient == runningHttpClient);
Assert.assertFalse(defaultHttpClient.isStarted());
Assert.assertFalse(runningHttpClient.isStarted());
Assert.assertFalse(defaultHttpClient.isStopped());
Assert.assertFalse(runningHttpClient.isStopped());
lifecycle.executeTo(LifecycleStage.START_STAGE);
Assert.assertTrue(defaultHttpClient.isStarted());
Assert.assertTrue(runningHttpClient.isStarted());
Assert.assertFalse(defaultHttpClient.isStopped());
Assert.assertFalse(runningHttpClient.isStopped());
lifecycle.executeTo(LifecycleStage.STOP_STAGE);
Assert.assertTrue(defaultHttpClient.isStarted());
Assert.assertTrue(runningHttpClient.isStarted());
Assert.assertTrue(defaultHttpClient.isStopped());
Assert.assertTrue(runningHttpClient.isStopped());
}
@Test
public void testLifecycle() throws Exception
{
final Injector injector = Guice.createInjector(Stage.PRODUCTION,
ConfigModule.forTesting(),
ENFORCEMENT_MODULE,
new LifecycleModule(),
new HttpClientModule("testing"));
final HttpClient httpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("testing")));
final Lifecycle lifecycle = injector.getInstance(Lifecycle.class);
Assert.assertNotNull(httpClient);
lifecycle.executeTo(LifecycleStage.START_STAGE);
Thread.sleep(1000L);
lifecycle.executeTo(LifecycleStage.STOP_STAGE);
}
@Test
public void testNonstopLifecycle() throws Exception
{
final Injector injector = Guice.createInjector(Stage.PRODUCTION,
ConfigModule.forTesting(),
ENFORCEMENT_MODULE,
new LifecycleModule(),
new HttpClientModule("testing"));
final HttpClient httpClient = injector.getInstance(Key.get(HttpClient.class, Names.named("testing")));
final Lifecycle lifecycle = injector.getInstance(Lifecycle.class);
Assert.assertNotNull(httpClient);
lifecycle.executeTo(LifecycleStage.START_STAGE);
}
}