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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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.elasticsearch.common.util.concurrent;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import java.util.Collections;
public class ThreadContextTests extends ESTestCase {
public void testStashContext() {
Settings build = Settings.builder().put("request.headers.default", "1").build();
ThreadContext threadContext = new ThreadContext(build);
threadContext.putHeader("foo", "bar");
threadContext.putTransient("ctx.foo", new Integer(1));
assertEquals("bar", threadContext.getHeader("foo"));
assertEquals(new Integer(1), threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
try (ThreadContext.StoredContext ctx = threadContext.stashContext()) {
assertNull(threadContext.getHeader("foo"));
assertNull(threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
}
assertEquals("bar", threadContext.getHeader("foo"));
assertEquals(new Integer(1), threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
}
public void testStoreContext() {
Settings build = Settings.builder().put("request.headers.default", "1").build();
ThreadContext threadContext = new ThreadContext(build);
threadContext.putHeader("foo", "bar");
threadContext.putTransient("ctx.foo", new Integer(1));
assertEquals("bar", threadContext.getHeader("foo"));
assertEquals(new Integer(1), threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
ThreadContext.StoredContext storedContext = threadContext.newStoredContext();
threadContext.putHeader("foo.bar", "baz");
try (ThreadContext.StoredContext ctx = threadContext.stashContext()) {
assertNull(threadContext.getHeader("foo"));
assertNull(threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
}
assertEquals("bar", threadContext.getHeader("foo"));
assertEquals(new Integer(1), threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
assertEquals("baz", threadContext.getHeader("foo.bar"));
if (randomBoolean()) {
storedContext.restore();
} else {
storedContext.close();
}
assertEquals("bar", threadContext.getHeader("foo"));
assertEquals(new Integer(1), threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
assertNull(threadContext.getHeader("foo.bar"));
}
public void testCopyHeaders() {
Settings build = Settings.builder().put("request.headers.default", "1").build();
ThreadContext threadContext = new ThreadContext(build);
threadContext.copyHeaders(Collections.<String,String>emptyMap().entrySet());
threadContext.copyHeaders(Collections.<String,String>singletonMap("foo", "bar").entrySet());
assertEquals("bar", threadContext.getHeader("foo"));
}
public void testAccessClosed() throws IOException {
Settings build = Settings.builder().put("request.headers.default", "1").build();
ThreadContext threadContext = new ThreadContext(build);
threadContext.putHeader("foo", "bar");
threadContext.putTransient("ctx.foo", new Integer(1));
threadContext.close();
try {
threadContext.getHeader("foo");
fail();
} catch (IllegalStateException ise) {
assertEquals("threadcontext is already closed", ise.getMessage());
}
try {
threadContext.putTransient("foo", new Object());
fail();
} catch (IllegalStateException ise) {
assertEquals("threadcontext is already closed", ise.getMessage());
}
try {
threadContext.putHeader("boom", "boom");
fail();
} catch (IllegalStateException ise) {
assertEquals("threadcontext is already closed", ise.getMessage());
}
}
public void testSerialize() throws IOException {
Settings build = Settings.builder().put("request.headers.default", "1").build();
ThreadContext threadContext = new ThreadContext(build);
threadContext.putHeader("foo", "bar");
threadContext.putTransient("ctx.foo", new Integer(1));
BytesStreamOutput out = new BytesStreamOutput();
threadContext.writeTo(out);
try (ThreadContext.StoredContext ctx = threadContext.stashContext()) {
assertNull(threadContext.getHeader("foo"));
assertNull(threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
threadContext.readHeaders(StreamInput.wrap(out.bytes()));
assertEquals("bar", threadContext.getHeader("foo"));
assertNull(threadContext.getTransient("ctx.foo"));
}
assertEquals("bar", threadContext.getHeader("foo"));
assertEquals(new Integer(1), threadContext.getTransient("ctx.foo"));
assertEquals("1", threadContext.getHeader("default"));
}
}
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