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 * the Apache License, Version 2.0 (the "License"); you may
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 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.index.indexing;

import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.IntField;
import org.apache.lucene.document.StringField;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.xcontent.json.JsonXContent;
import org.elasticsearch.index.indexing.IndexingSlowLog.SlowLogParsedDocumentPrinter;
import org.elasticsearch.index.mapper.ParsedDocument;
import org.elasticsearch.test.ESTestCase;

import java.io.IOException;

import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.not;

public class IndexingSlowLogTests extends ESTestCase {
    public void testSlowLogParsedDocumentPrinterSourceToLog() throws IOException {
        BytesReference source = JsonXContent.contentBuilder().startObject().field("foo", "bar").endObject().bytes();
        ParsedDocument pd = new ParsedDocument(new StringField("uid", "test:id", Store.YES), new IntField("version", 1, Store.YES), "id",
                "test", null, 0, -1, null, source, null);

        // Turning off document logging doesn't log source[]
        SlowLogParsedDocumentPrinter p = new SlowLogParsedDocumentPrinter(pd, 10, true, 0);
        assertThat(p.toString(), not(containsString("source[")));

        // Turning on document logging logs the whole thing
        p = new SlowLogParsedDocumentPrinter(pd, 10, true, Integer.MAX_VALUE);
        assertThat(p.toString(), containsString("source[{\"foo\":\"bar\"}]"));

        // And you can truncate the source
        p = new SlowLogParsedDocumentPrinter(pd, 10, true, 3);
        assertThat(p.toString(), containsString("source[{\"f]"));
    }
}