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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.plugins;
import org.elasticsearch.test.ESTestCase;
import java.util.ArrayList;
import java.util.List;
import static org.hamcrest.Matchers.hasItem;
import static org.hamcrest.Matchers.hasItems;
import static org.hamcrest.Matchers.hasSize;
public class ProgressInputStreamTests extends ESTestCase {
private List<Integer> progresses = new ArrayList<>();
public void testThatProgressListenerIsCalled() throws Exception {
ProgressInputStream is = newProgressInputStream(0);
is.checkProgress(-1);
assertThat(progresses, hasSize(1));
assertThat(progresses, hasItems(100));
}
public void testThatProgressListenerIsCalledOnUnexpectedCompletion() throws Exception {
ProgressInputStream is = newProgressInputStream(2);
is.checkProgress(-1);
assertThat(progresses, hasItems(100));
}
public void testThatProgressListenerReturnsMaxValueOnWrongExpectedSize() throws Exception {
ProgressInputStream is = newProgressInputStream(2);
is.checkProgress(1);
assertThat(progresses, hasItems(50));
is.checkProgress(3);
assertThat(progresses, hasItems(50, 99));
is.checkProgress(-1);
assertThat(progresses, hasItems(50, 99, 100));
}
public void testOneByte() throws Exception {
ProgressInputStream is = newProgressInputStream(1);
is.checkProgress(1);
is.checkProgress(-1);
assertThat(progresses, hasItems(99, 100));
}
public void testOddBytes() throws Exception {
int odd = randomIntBetween(10, 100) * 2 + 1;
ProgressInputStream is = newProgressInputStream(odd);
for (int i = 0; i < odd; i++) {
is.checkProgress(1);
}
is.checkProgress(-1);
assertThat(progresses, hasSize(Math.min(odd + 1, 100)));
assertThat(progresses, hasItem(100));
}
public void testEvenBytes() throws Exception {
int even = randomIntBetween(10, 100) * 2;
ProgressInputStream is = newProgressInputStream(even);
for (int i = 0; i < even; i++) {
is.checkProgress(1);
}
is.checkProgress(-1);
assertThat(progresses, hasSize(Math.min(even + 1, 100)));
assertThat(progresses, hasItem(100));
}
public void testOnProgressCannotBeCalledMoreThanOncePerPercent() throws Exception {
int count = randomIntBetween(150, 300);
ProgressInputStream is = newProgressInputStream(count);
for (int i = 0; i < count; i++) {
is.checkProgress(1);
}
is.checkProgress(-1);
assertThat(progresses, hasSize(100));
}
private ProgressInputStream newProgressInputStream(int expectedSize) {
return new ProgressInputStream(null, expectedSize) {
@Override
public void onProgress(int percent) {
progresses.add(percent);
}
};
}
}
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