InfluxMetricConverterTest.java

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package org.jmxtrans.agent.influxdb;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;

import java.util.ArrayList;
import java.util.Arrays;

import org.junit.Test;

/**
 * @author Kristoffer Erlandsson
 */
public class InfluxMetricConverterTest {

    private static final ArrayList<InfluxTag> EMPTY_TAG_LIST = new ArrayList<InfluxTag>();

    @Test
    public void noExtraTags() throws Exception {
        InfluxMetric converted = InfluxMetricConverter.convertToInfluxMetric("foo", 1, EMPTY_TAG_LIST, 2l);
        InfluxMetric expected = new InfluxMetric("foo", EMPTY_TAG_LIST, 1, 2l);
        assertThat(converted, equalTo(expected));
    }

    @Test
    public void tagsInMetricName() throws Exception {
        InfluxMetric converted = InfluxMetricConverter.convertToInfluxMetric("foo,tag1=tagValue1", 1, EMPTY_TAG_LIST, 2l);
        InfluxMetric expected = new InfluxMetric("foo", Arrays.asList(new InfluxTag("tag1", "tagValue1")), 1, 2l);
        assertThat(converted, equalTo(expected));
    }

    @Test
    public void tagsWithSpacesInMetricName() throws Exception {
        InfluxMetric converted = InfluxMetricConverter.convertToInfluxMetric("foo,tag1 =tagValue1 , tag2 = tagValue2",
                1, EMPTY_TAG_LIST, 2l);
        InfluxMetric expected = new InfluxMetric("foo",
                Arrays.asList(new InfluxTag("tag1", "tagValue1"), new InfluxTag("tag2", "tagValue2")), 1, 2l);
        assertThat(converted, equalTo(expected));
    }

    @Test
    public void additionalTags() throws Exception {
        InfluxMetric converted = InfluxMetricConverter.convertToInfluxMetric("foo,tag1=tagValue1", 1,
                Arrays.asList(new InfluxTag("additionalTag", "value")), 2l);
        InfluxMetric expected = new InfluxMetric("foo",
                Arrays.asList(new InfluxTag("additionalTag", "value"), new InfluxTag("tag1", "tagValue1")), 1, 2l);
        assertThat(converted, equalTo(expected));
    }

    @Test
    public void toInfluxFormat() throws Exception {
        InfluxMetric metric = new InfluxMetric("foo",
                Arrays.asList(new InfluxTag("tag", "value"), new InfluxTag("tag2", "value2")), 1.0, 2123l);
        assertThat(metric.toInfluxFormat(), equalTo("foo,tag=value,tag2=value2 value=1.0 2123"));
    }

    @Test
    public void toInfluxFormatInteger() throws Exception {
        InfluxMetric metric = new InfluxMetric("foo", EMPTY_TAG_LIST, 1, 2123l);
        assertThat(metric.toInfluxFormat(), equalTo("foo value=1i 2123"));
    }

    /**
     * A very big float will get formatted with an exponent
     * See https://github.com/jmxtrans/jmxtrans-agent/issues/91
     */
    @Test
    public void toInfluxFormatBigFloat() throws Exception {
        InfluxMetric metric = new InfluxMetric("foo", EMPTY_TAG_LIST, 123_456_789.012_345, 2123l);
        assertThat(metric.toInfluxFormat(), equalTo("foo value=123456789.012345 2123"));
    }

    @Test
    public void toInfluxFormatLong() throws Exception {
        InfluxMetric metric = new InfluxMetric("foo", EMPTY_TAG_LIST, 1l, 2123l);
        assertThat(metric.toInfluxFormat(), equalTo("foo value=1i 2123"));
    }
}