sdk/src/test/java/com/google/cloud/dataflow/sdk/options/DataflowWorkerLoggingOptionsTest.java

/*
 * Copyright (C) 2015 Google 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.google.cloud.dataflow.sdk.options;

import static com.google.cloud.dataflow.sdk.options.DataflowWorkerLoggingOptions.Level.WARN;
import static org.junit.Assert.assertEquals;

import com.google.cloud.dataflow.sdk.options.DataflowWorkerLoggingOptions.WorkerLogLevelOverrides;
import com.google.common.collect.ImmutableMap;

import com.fasterxml.jackson.databind.ObjectMapper;

import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link DataflowWorkerLoggingOptions}. */
@RunWith(JUnit4.class)
public class DataflowWorkerLoggingOptionsTest {
  private static final ObjectMapper MAPPER = new ObjectMapper();
  @Rule public ExpectedException expectedException = ExpectedException.none();

  @Test
  public void testWorkerLogLevelOverrideWithInvalidLogLevel() {
    expectedException.expect(IllegalArgumentException.class);
    expectedException.expectMessage("Unsupported log level");
    WorkerLogLevelOverrides.from(ImmutableMap.of("Name", "FakeLevel"));
  }

  @Test
  public void testWorkerLogLevelOverrideForClass() throws Exception {
    assertEquals("{\"org.junit.Test\":\"WARN\"}",
        MAPPER.writeValueAsString(
            new WorkerLogLevelOverrides().addOverrideForClass(Test.class, WARN)));
  }

  @Test
  public void testWorkerLogLevelOverrideForPackage() throws Exception {
    assertEquals("{\"org.junit\":\"WARN\"}",
        MAPPER.writeValueAsString(
            new WorkerLogLevelOverrides().addOverrideForPackage(Test.class.getPackage(), WARN)));
  }

  @Test
  public void testWorkerLogLevelOverrideForName() throws Exception {
    assertEquals("{\"A\":\"WARN\"}",
        MAPPER.writeValueAsString(
            new WorkerLogLevelOverrides().addOverrideForName("A", WARN)));
  }

  @Test
  public void testSerializationAndDeserializationOf() throws Exception {
    String testValue = "{\"A\":\"WARN\"}";
    assertEquals(testValue,
        MAPPER.writeValueAsString(
            MAPPER.readValue(testValue, WorkerLogLevelOverrides.class)));
  }
}