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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.test.rest.section;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import java.util.List;
import java.util.Map;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.assertThat;
/**
* Represents a length assert section:
* <p>
* - length: { hits.hits: 1 }
*/
public class LengthAssertion extends Assertion {
private static final ESLogger logger = Loggers.getLogger(LengthAssertion.class);
public LengthAssertion(String field, Object expectedValue) {
super(field, expectedValue);
}
@Override
protected void doAssert(Object actualValue, Object expectedValue) {
logger.trace("assert that [{}] has length [{}] (field: [{}])", actualValue, expectedValue, getField());
assertThat("expected value of [" + getField() + "] is not numeric (got [" + expectedValue.getClass() + "]", expectedValue, instanceOf(Number.class));
int length = ((Number) expectedValue).intValue();
if (actualValue instanceof String) {
assertThat(errorMessage(), ((String) actualValue).length(), equalTo(length));
} else if (actualValue instanceof List) {
assertThat(errorMessage(), ((List) actualValue).size(), equalTo(length));
} else if (actualValue instanceof Map) {
assertThat(errorMessage(), ((Map) actualValue).keySet().size(), equalTo(length));
} else {
throw new UnsupportedOperationException("value is of unsupported type [" + safeClass(actualValue) + "]");
}
}
private String errorMessage() {
return "field [" + getField() + "] doesn't have length [" + getExpectedValue() + "]";
}
}