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/*
* Copyright © 2016-2017 European Support Limited
*
* 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.openecomp.sdc.logging.slf4j;
import org.openecomp.sdc.logging.provider.LoggingContextService;
import org.testng.annotations.Test;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNull;
import static org.testng.Assert.assertTrue;
/**
* @author EVITALIY
* @since 08 Jan 18
*/
public class CallableContextPropagationTest extends BaseContextPropagationTest {
@Test(enabled = ENABLED, dataProvider = PROVIDER)
public void testContextPropagated(LoggingContextService ctx) throws Exception {
String uuid = UUID.randomUUID().toString();
ctx.put(KEY, uuid);
AtomicBoolean complete = new AtomicBoolean(false);
// pass the callable to the context service first
execute(ctx.toCallable(() -> {
assertEquals(ctx.get(KEY), uuid, EXPECT_PROPAGATED_TO_CHILD);
complete.set(true);
return null;
}));
assertEquals(ctx.get(KEY), uuid, EXPECT_RETAINED_IN_CURRENT);
assertTrue(complete.get(), EXPECT_INNER_RUN);
}
@Test(enabled = ENABLED, dataProvider = PROVIDER)
public void testContextReplacement(LoggingContextService ctx) throws Exception {
String innerRandom = UUID.randomUUID().toString();
ctx.put(KEY, innerRandom);
AtomicBoolean innerComplete = new AtomicBoolean(false);
// should run with the context of main thread
Callable inner = ctx.toCallable(() -> {
assertEquals(ctx.get(KEY), innerRandom, EXPECT_PROPAGATED_TO_CHILD);
innerComplete.set(true);
return null;
});
// pushes its own context, but the inner must run with its own context
AtomicBoolean outerComplete = new AtomicBoolean(false);
execute(() -> {
String outerUuid = UUID.randomUUID().toString();
ctx.put(KEY, outerUuid);
inner.call();
assertEquals(ctx.get(KEY), outerUuid, EXPECT_REPLACED_WITH_STORED);
outerComplete.set(true);
return null;
});
assertEquals(ctx.get(KEY), innerRandom, EXPECT_RETAINED_IN_CURRENT);
assertTrue(outerComplete.get(), EXPECT_OUTER_RUN);
assertTrue(innerComplete.get(), EXPECT_INNER_RUN);
}
@Test(enabled = ENABLED, dataProvider = PROVIDER)
public void testContextRemainsEmpty(LoggingContextService ctx) throws Exception {
ctx.remove(KEY);
assertNull(ctx.get(KEY), EXPECT_EMPTY);
final AtomicBoolean complete = new AtomicBoolean(false);
execute(ctx.toCallable(() -> {
assertNull(ctx.get(KEY), EXPECT_EMPTY);
complete.set(true);
return null;
}));
assertNull(ctx.get(KEY), EXPECT_EMPTY);
assertTrue(complete.get(), EXPECT_INNER_RUN);
}
@Test(enabled = ENABLED, dataProvider = PROVIDER)
public void testContextCleanedUp(LoggingContextService ctx) throws Exception {
String innerRandom = UUID.randomUUID().toString();
ctx.put(KEY, innerRandom);
AtomicBoolean innerComplete = new AtomicBoolean(false);
// should run with the context of main thread
Callable inner = ctx.toCallable((() -> {
assertEquals(ctx.get(KEY), innerRandom, EXPECT_PROPAGATED_TO_CHILD);
innerComplete.set(true);
return null;
}));
// pushes its own context, but runs the inner
AtomicBoolean outerComplete = new AtomicBoolean(false);
execute(() -> {
assertNull(ctx.get(KEY), EXPECT_NOT_COPIED);
inner.call();
assertNull(ctx.get(KEY), EXPECT_REMAIN_EMPTY);
outerComplete.set(true);
return null;
});
assertEquals(ctx.get(KEY), innerRandom, EXPECT_RETAINED_IN_PARENT);
assertTrue(outerComplete.get(), EXPECT_OUTER_RUN);
assertTrue(innerComplete.get(), EXPECT_INNER_RUN);
}
@Test(enabled = ENABLED, dataProvider = PROVIDER)
public void testCleanupAfterError(LoggingContextService ctx) throws Exception {
String innerRandom = UUID.randomUUID().toString();
ctx.put(KEY, innerRandom);
// should run with the context of main thread
AtomicBoolean innerComplete = new AtomicBoolean(false);
Callable inner = ctx.toCallable(() -> {
assertEquals(ctx.get(KEY), innerRandom, EXPECT_PROPAGATED_TO_CHILD);
innerComplete.set(true);
throw new IllegalArgumentException();
});
// pushes its own context, but runs the inner callable
AtomicBoolean outerComplete = new AtomicBoolean(false);
AtomicBoolean exceptionThrown = new AtomicBoolean(false);
execute(() -> {
String outerUuid = UUID.randomUUID().toString();
ctx.put(KEY, outerUuid);
assertEquals(ctx.get(KEY), outerUuid, EXPECT_POPULATED);
try {
inner.call();
} catch (IllegalArgumentException e) {
exceptionThrown.set(true);
} finally {
assertEquals(ctx.get(KEY), outerUuid, EXPECT_REVERTED_ON_EXCEPTION);
outerComplete.set(true);
}
return null;
});
assertEquals(ctx.get(KEY), innerRandom, EXPECT_RETAINED_IN_PARENT);
assertTrue(outerComplete.get(), EXPECT_OUTER_RUN);
assertTrue(innerComplete.get(), EXPECT_INNER_RUN);
assertTrue(exceptionThrown.get(), EXPECT_EXCEPTION_FROM_INNER);
}
private void execute(Callable<Object> callable) throws Exception {
ExecutorService executor = Executors.newSingleThreadExecutor();
try {
Future<Object> future = executor.submit(callable);
future.get(10, TimeUnit.SECONDS);
} finally {
executor.shutdown();
}
}
}
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