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CompositeRetryPolicyTests.java
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/
CompositeRetryPolicyTests.java
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/*
* Copyright 2006-2007 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.retry.policy;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.springframework.retry.RetryContext;
import org.springframework.retry.RetryPolicy;
public class CompositeRetryPolicyTests extends TestCase {
public void testEmptyPolicies() throws Exception {
CompositeRetryPolicy policy = new CompositeRetryPolicy();
RetryContext context = policy.open(null);
assertNotNull(context);
assertTrue(policy.canRetry(context));
}
public void testTrivialPolicies() throws Exception {
CompositeRetryPolicy policy = new CompositeRetryPolicy();
policy.setPolicies(new RetryPolicy[] { new MockRetryPolicySupport(), new MockRetryPolicySupport() });
RetryContext context = policy.open(null);
assertNotNull(context);
assertTrue(policy.canRetry(context));
}
public void testNonTrivialPolicies() throws Exception {
CompositeRetryPolicy policy = new CompositeRetryPolicy();
policy.setPolicies(new RetryPolicy[] { new MockRetryPolicySupport(), new MockRetryPolicySupport() {
public boolean canRetry(RetryContext context) {
return false;
}
} });
RetryContext context = policy.open(null);
assertNotNull(context);
assertFalse(policy.canRetry(context));
}
public void testNonTrivialPoliciesWithThrowable() throws Exception {
CompositeRetryPolicy policy = new CompositeRetryPolicy();
policy.setPolicies(new RetryPolicy[] { new MockRetryPolicySupport(), new MockRetryPolicySupport() {
boolean errorRegistered = false;
public boolean canRetry(RetryContext context) {
return !errorRegistered;
}
public void registerThrowable(RetryContext context, Throwable throwable) {
errorRegistered = true;
}
} });
RetryContext context = policy.open(null);
assertNotNull(context);
assertTrue(policy.canRetry(context));
policy.registerThrowable(context, null);
assertFalse("Should be still able to retry", policy.canRetry(context));
}
public void testNonTrivialPoliciesClose() throws Exception {
final List<String> list = new ArrayList<String>();
CompositeRetryPolicy policy = new CompositeRetryPolicy();
policy.setPolicies(new RetryPolicy[] { new MockRetryPolicySupport() {
public void close(RetryContext context) {
list.add("1");
}
}, new MockRetryPolicySupport() {
public void close(RetryContext context) {
list.add("2");
}
} });
RetryContext context = policy.open(null);
assertNotNull(context);
policy.close(context);
assertEquals(2, list.size());
}
public void testExceptionOnPoliciesClose() throws Exception {
final List<String> list = new ArrayList<String>();
CompositeRetryPolicy policy = new CompositeRetryPolicy();
policy.setPolicies(new RetryPolicy[] { new MockRetryPolicySupport() {
public void close(RetryContext context) {
list.add("1");
throw new RuntimeException("Pah!");
}
}, new MockRetryPolicySupport() {
public void close(RetryContext context) {
list.add("2");
}
} });
RetryContext context = policy.open(null);
assertNotNull(context);
try {
policy.close(context);
fail("Expected RuntimeException");
} catch (RuntimeException e) {
assertEquals("Pah!", e.getMessage());
}
assertEquals(2, list.size());
}
public void testRetryCount() throws Exception {
CompositeRetryPolicy policy = new CompositeRetryPolicy();
policy.setPolicies(new RetryPolicy[] { new MockRetryPolicySupport(), new MockRetryPolicySupport() });
RetryContext context = policy.open(null);
assertNotNull(context);
policy.registerThrowable(context, null);
assertEquals(0, context.getRetryCount());
policy.registerThrowable(context, new RuntimeException("foo"));
assertEquals(1, context.getRetryCount());
assertEquals("foo", context.getLastThrowable().getMessage());
}
public void testParent() throws Exception {
CompositeRetryPolicy policy = new CompositeRetryPolicy();
RetryContext context = policy.open(null);
RetryContext child = policy.open(context);
assertNotSame(child, context);
assertSame(context, child.getParent());
}
public void testOptimistic() throws Exception {
CompositeRetryPolicy policy = new CompositeRetryPolicy();
policy.setOptimistic(true);
policy.setPolicies(new RetryPolicy[] { new MockRetryPolicySupport() {
public boolean canRetry(RetryContext context) {
return false;
}
}, new MockRetryPolicySupport() });
RetryContext context = policy.open(null);
assertNotNull(context);
assertTrue(policy.canRetry(context));
}
}