service/src/test/java/org/apache/griffin/core/metric/MetricServiceImplTest.java

/*
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distributed with this work for additional information
regarding copyright ownership.  The ASF 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
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specific language governing permissions and limitations
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package org.apache.griffin.core.metric;

import static org.apache.griffin.core.util.EntityMocksHelper.createGriffinJob;
import static org.apache.griffin.core.util.EntityMocksHelper.createGriffinMeasure;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.mockito.BDDMockito.given;

import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.griffin.core.exception.GriffinException;
import org.apache.griffin.core.job.entity.AbstractJob;
import org.apache.griffin.core.job.entity.JobInstanceBean;
import org.apache.griffin.core.job.entity.LivySessionStates;
import org.apache.griffin.core.job.repo.JobInstanceRepo;
import org.apache.griffin.core.job.repo.JobRepo;
import org.apache.griffin.core.measure.entity.Measure;
import org.apache.griffin.core.measure.repo.MeasureRepo;
import org.apache.griffin.core.metric.model.Metric;
import org.apache.griffin.core.metric.model.MetricValue;
import org.apache.griffin.core.util.JsonUtil;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Matchers;
import org.mockito.Mock;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
public class MetricServiceImplTest {

    @InjectMocks
    private MetricServiceImpl service;

    @Mock
    private MeasureRepo<Measure> measureRepo;
    @Mock
    private JobRepo<AbstractJob> jobRepo;
    @Mock
    private MetricStoreImpl metricStore;
    @Mock
    private JobInstanceRepo jobInstanceRepo;

    @Autowired
    private Environment env;

    @Before
    public void setup() {
    }

    @Test
    public void test() {
        Environment e = env;
        System.out.println(env
                .getProperty("spring.datasource.driver - class -name "));
    }

    @Test
    public void testGetAllMetricsSuccess() throws Exception {
        Measure measure = createGriffinMeasure("measureName");
        measure.setId(1L);
        AbstractJob job = createGriffinJob();
        MetricValue value = new MetricValue("jobName", 1L, new HashMap<>());
        given(jobRepo.findByDeleted(false)).willReturn(Collections
                .singletonList(job));
        given(measureRepo.findByDeleted(false)).willReturn(Collections
                .singletonList(measure));
        given(metricStore.getMetricValues(Matchers.anyString(),
                Matchers.anyInt(), Matchers.anyInt(),
                Matchers.anyLong()))
                .willReturn(Collections.singletonList(value));

        Map<String, List<Metric>> metricMap = service.getAllMetrics();
        assertEquals(metricMap.get("measureName").get(0).getName(), "jobName");
    }

    @Test(expected = GriffinException.ServiceException.class)
    public void testGetAllMetricsFailureWithException() throws Exception {
        Measure measure = createGriffinMeasure("measureName");
        measure.setId(1L);
        AbstractJob job = createGriffinJob();
        given(jobRepo.findByDeleted(false)).willReturn(Collections
                .singletonList(job));
        given(measureRepo.findByDeleted(false)).willReturn(Collections
                .singletonList(measure));
        given(metricStore.getMetricValues(Matchers.anyString(),
                Matchers.anyInt(), Matchers.anyInt(),
                Matchers.anyLong()))
                .willThrow(new IOException());

        service.getAllMetrics();
    }

    @Test
    public void testGetMetricValuesSuccess() throws IOException {
        MetricValue value = new MetricValue("jobName", 1L, new HashMap<>());
        given(metricStore.getMetricValues(Matchers.anyString(),
                Matchers.anyInt(), Matchers.anyInt(),
                Matchers.anyLong()))
                .willReturn(Collections.singletonList(value));

        List<MetricValue> values = service.getMetricValues("jobName", 0, 300,
                0);
        assertEquals(values.size(), 1);
        assertEquals(values.get(0).getName(), "jobName");
    }

    @Test(expected = GriffinException.ServiceException.class)
    public void testGetMetricValuesFailureWithException() throws IOException {
        given(metricStore.getMetricValues(Matchers.anyString(),
                Matchers.anyInt(), Matchers.anyInt(),
                Matchers.anyLong()))
                .willThrow(new IOException());

        service.getMetricValues("jobName", 0, 300, 0);
    }

    @Test
    public void testAddMetricValuesSuccess() throws IOException {
        Map<String, Object> value = new HashMap<>();
        value.put("total", 10000);
        value.put("matched", 10000);
        List<MetricValue> values = Collections.singletonList(
                new MetricValue("jobName", 1L, value));
        given(metricStore.addMetricValues(values))
                .willReturn(
                        new ResponseEntity(
                                "{\"errors\": false, \"items\": []}",
                                HttpStatus.OK));

        ResponseEntity response = service.addMetricValues(values);
        Map body = JsonUtil.toEntity(response.getBody().toString(), Map.class);

        assertEquals(response.getStatusCode(), HttpStatus.OK);

        assertNotNull(body);

        assertEquals(body.get("errors").toString(), "false");
    }

    @Test(expected = GriffinException.BadRequestException.class)
    public void testAddMetricValuesFailureWithInvalidFormat() {
        List<MetricValue> values = Collections.singletonList(new MetricValue());

        service.addMetricValues(values);
    }

    @Test(expected = GriffinException.ServiceException.class)
    public void testAddMetricValuesFailureWithException() throws IOException {
        Map<String, Object> value = new HashMap<>();
        value.put("total", 10000);
        value.put("matched", 10000);
        List<MetricValue> values = Collections.singletonList(
                new MetricValue("jobName", 1L, value));
        given(metricStore.addMetricValues(values)).willThrow(new IOException());

        service.addMetricValues(values);
    }

    @Test
    public void testDeleteMetricValuesSuccess() throws IOException {

        given(metricStore.deleteMetricValues("metricName"))
                .willReturn(new ResponseEntity("{\"failures\": []}",
                        HttpStatus.OK));

        ResponseEntity response = service.deleteMetricValues("metricName");
        Map body = JsonUtil.toEntity(response.getBody().toString(), Map.class);
        assertEquals(response.getStatusCode(), HttpStatus.OK);
        assertNotNull(body);
        assertEquals(body.get("failures"), Collections.emptyList());
    }

    @Test(expected = GriffinException.ServiceException.class)
    public void testDeleteMetricValuesFailureWithException()
            throws IOException {
        given(metricStore.deleteMetricValues("metricName"))
                .willThrow(new IOException());

        service.deleteMetricValues("metricName");

    }

    @Test
    public void testFindMetricSuccess() throws IOException {
        Long id = 1L;
        String appId = "application";
        MetricValue expectedMetric = new MetricValue(
                "name", 1234L, Collections.singletonMap("applicationId", appId), new HashMap<>());

        given(jobInstanceRepo.findByInstanceId(id))
                .willReturn(new JobInstanceBean(LivySessionStates.State.RUNNING, 12L, 32L, appId));
        given(metricStore.getMetric(appId))
                .willReturn(expectedMetric);
        MetricValue actualMetric = service.findMetric(id);

        assertEquals(expectedMetric, actualMetric);
    }

    @Test(expected = GriffinException.NotFoundException.class)
    public void testFailedToFindJobInstance() throws IOException {
        Long id = 1L;
        given(jobInstanceRepo.findByInstanceId(id))
                .willReturn(null);
        service.findMetric(id);

    }

    @Test(expected = GriffinException.ServiceException.class)
    public void testFindMetricFailure() throws IOException {
        Long id = 1L;
        String appId = "application";

        given(jobInstanceRepo.findByInstanceId(id))
                .willReturn(new JobInstanceBean(LivySessionStates.State.RUNNING, 12L, 32L, appId));
        given(metricStore.getMetric(appId))
                .willThrow(new GriffinException.ServiceException("", new RuntimeException()));
        service.findMetric(id);

    }


}