com.boundary.sdk.metric.MeasurementTest.java Source code

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Here is the source code for com.boundary.sdk.metric.MeasurementTest.java

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// Copyright 2014-2015 Boundary, Inc.
//
// Licensed 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 com.boundary.sdk.metric;

import static org.junit.Assert.*;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Date;

import org.apache.camel.EndpointInject;
import org.apache.camel.Produce;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;

public class MeasurementTest {

    @Produce(uri = "direct:meter-in")
    private ProducerTemplate producerTemplate;

    @EndpointInject(uri = "mock:meter-out")
    private MockEndpoint mockOut;

    private String expectedString;
    private Measurement measure;

    @BeforeClass
    public static void setUpBeforeClass() throws Exception {
    }

    @AfterClass
    public static void tearDownAfterClass() throws Exception {
    }

    @Before
    public void setUp() throws Exception {
        measure = new Measurement();
        expectedString = "DEADBEEF";
    }

    @After
    public void tearDown() throws Exception {
    }

    @Test
    public void testMeasurement() {
        assertEquals("check for empty source", "", measure.getSource());
        assertEquals("check for empty metric", "", measure.getMetric());
        assertNull("check for null timestamp", measure.getTimestamp());
        assertEquals("check for 0 value for measure", 0, measure.getMeasure());
    }

    @Test
    public void testSource() {
        measure.setSource(expectedString);
        assertEquals("check source", expectedString, measure.getSource());
    }

    @Test
    public void testMetric() {
        measure.setMetric(expectedString);
        assertEquals("check metric", expectedString, measure.getMetric());
    }

    @Test
    public void testMeasure() {
        measure.setMeasure(100);
        assertEquals("check measure", 100, measure.getMeasure());
    }

    @Test
    public void testTimestamp() {
        Date now = new Date();
        measure.setTimestamp(now);
        assertEquals("check timestamp", now, measure.getTimestamp());
    }

    @Test
    public void testToString() {
        String s = "{\"source\": \"\",\"metric\": \"\",\"measure\": 0}";
        assertEquals("check to string", s, measure.toString());
    }

    public static Measurement read(String resource) throws URISyntaxException {
        Measurement instance = new Measurement();

        ClassLoader classLoader = instance.getClass().getClassLoader();
        URL url = classLoader.getResource(resource);
        File file = new File(url.toURI());

        ObjectMapper mapper = new ObjectMapper();

        try {
            instance = mapper.readValue(file, Measurement.class);
        } catch (JsonParseException e) {
            e.printStackTrace();
        } catch (JsonMappingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return instance;
    }

    public static void write(OutputStream out, Measurement measurement) {
        ObjectMapper mapper = new ObjectMapper();
        try {
            mapper.writeValue(out, measurement);
        } catch (JsonGenerationException e) {
            e.printStackTrace();
        } catch (JsonMappingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @Test
    public void testFromJson() {

    }

    @Test
    public void testToJson() {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        Measurement measurement = new Measurement();

        measurement.setMeasure(100);
        measurement.setMetric("MY_METRIC");
        measurement.setSource("myhost");
        measurement.setTimestamp(new Date());
        write(out, measurement);
        System.out.println(out);
    }
}