MultiSearchTemplateRequestTests.java

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 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.script.mustache;

import org.elasticsearch.action.search.MultiSearchRequest;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.script.ScriptType;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.StreamsUtils;
import org.elasticsearch.test.rest.FakeRestRequest;

import static org.hamcrest.Matchers.arrayContaining;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.nullValue;

public class MultiSearchTemplateRequestTests extends ESTestCase {

    public void testParseRequest() throws Exception {
        byte[] data = StreamsUtils.copyToBytesFromClasspath("/org/elasticsearch/script/mustache/simple-msearch-template.json");
        RestRequest restRequest = new FakeRestRequest.Builder(xContentRegistry())
            .withContent(new BytesArray(data), XContentType.JSON).build();

        MultiSearchTemplateRequest request = RestMultiSearchTemplateAction.parseRequest(restRequest, true);

        assertThat(request.requests().size(), equalTo(3));
        assertThat(request.requests().get(0).getRequest().indices()[0], equalTo("test0"));
        assertThat(request.requests().get(0).getRequest().indices()[1], equalTo("test1"));
        assertThat(request.requests().get(0).getRequest().indices(), arrayContaining("test0", "test1"));
        assertThat(request.requests().get(0).getRequest().requestCache(), equalTo(true));
        assertThat(request.requests().get(0).getRequest().preference(), nullValue());
        assertThat(request.requests().get(1).getRequest().indices()[0], equalTo("test2"));
        assertThat(request.requests().get(1).getRequest().indices()[1], equalTo("test3"));
        assertThat(request.requests().get(1).getRequest().types()[0], equalTo("type1"));
        assertThat(request.requests().get(1).getRequest().requestCache(), nullValue());
        assertThat(request.requests().get(1).getRequest().preference(), equalTo("_local"));
        assertThat(request.requests().get(2).getRequest().indices()[0], equalTo("test4"));
        assertThat(request.requests().get(2).getRequest().indices()[1], equalTo("test1"));
        assertThat(request.requests().get(2).getRequest().types()[0], equalTo("type2"));
        assertThat(request.requests().get(2).getRequest().types()[1], equalTo("type1"));
        assertThat(request.requests().get(2).getRequest().routing(), equalTo("123"));
        assertNotNull(request.requests().get(0).getScript());
        assertNotNull(request.requests().get(1).getScript());
        assertNotNull(request.requests().get(2).getScript());

        assertEquals(ScriptType.INLINE, request.requests().get(0).getScriptType());
        assertEquals(ScriptType.INLINE, request.requests().get(1).getScriptType());
        assertEquals(ScriptType.INLINE, request.requests().get(2).getScriptType());
        assertEquals("{\"query\":{\"match_{{template}}\":{}}}", request.requests().get(0).getScript());
        assertEquals("{\"query\":{\"match_{{template}}\":{}}}", request.requests().get(1).getScript());
        assertEquals("{\"query\":{\"match_{{template}}\":{}}}", request.requests().get(2).getScript());
        assertEquals(1, request.requests().get(0).getScriptParams().size());
        assertEquals(1, request.requests().get(1).getScriptParams().size());
        assertEquals(1, request.requests().get(2).getScriptParams().size());
    }

    public void testParseWithCarriageReturn() throws Exception {
        final String content = "{\"index\":[\"test0\", \"test1\"], \"request_cache\": true}\r\n" +
            "{\"inline\": {\"query\" : {\"match_{{template}}\" :{}}}, \"params\": {\"template\": \"all\" } }\r\n";
        RestRequest restRequest = new FakeRestRequest.Builder(xContentRegistry())
            .withContent(new BytesArray(content), XContentType.JSON).build();

        MultiSearchTemplateRequest request = RestMultiSearchTemplateAction.parseRequest(restRequest, true);

        assertThat(request.requests().size(), equalTo(1));
        assertThat(request.requests().get(0).getRequest().indices()[0], equalTo("test0"));
        assertThat(request.requests().get(0).getRequest().indices()[1], equalTo("test1"));
        assertThat(request.requests().get(0).getRequest().indices(), arrayContaining("test0", "test1"));
        assertThat(request.requests().get(0).getRequest().requestCache(), equalTo(true));
        assertThat(request.requests().get(0).getRequest().preference(), nullValue());
        assertNotNull(request.requests().get(0).getScript());
        assertEquals(ScriptType.INLINE, request.requests().get(0).getScriptType());
        assertEquals("{\"query\":{\"match_{{template}}\":{}}}", request.requests().get(0).getScript());
        assertEquals(1, request.requests().get(0).getScriptParams().size());
    }

    public void testMaxConcurrentSearchRequests() {
        MultiSearchTemplateRequest request = new MultiSearchTemplateRequest();
        request.maxConcurrentSearchRequests(randomIntBetween(1, Integer.MAX_VALUE));
        expectThrows(IllegalArgumentException.class, () ->
                request.maxConcurrentSearchRequests(randomIntBetween(Integer.MIN_VALUE, 0)));
    }

}