ArtifactConfigReaderTest.java

/*
 * Copyright © 2015 Cask Data, 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 co.cask.cdap.common.conf;

import co.cask.cdap.api.artifact.ArtifactVersion;
import co.cask.cdap.api.plugin.PluginClass;
import co.cask.cdap.api.plugin.PluginPropertyField;
import co.cask.cdap.common.InvalidArtifactException;
import co.cask.cdap.proto.Id;
import co.cask.cdap.proto.artifact.ArtifactRange;
import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.io.Files;
import org.junit.Assert;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

import java.io.BufferedWriter;
import java.io.File;
import java.io.IOException;

/**
 */
public class ArtifactConfigReaderTest {
  private static final ArtifactConfigReader configReader = new ArtifactConfigReader();
  @ClassRule
  public static TemporaryFolder tmpFolder = new TemporaryFolder();

  @Test
  public void testRead() throws IOException, InvalidArtifactException {
    ArtifactConfig validConfig = new ArtifactConfig(
      ImmutableSet.of(
        new ArtifactRange(Id.Namespace.SYSTEM, "a", new ArtifactVersion("1.0.0"), new ArtifactVersion("2.0.0")),
        new ArtifactRange(Id.Namespace.DEFAULT, "b", new ArtifactVersion("1.0.0"), new ArtifactVersion("2.0.0"))
      ),
      ImmutableSet.of(
        new PluginClass("type", "name", "desc", "classname", null, ImmutableMap.of(
          "x", new PluginPropertyField("x", "some field", "int", true),
          "y", new PluginPropertyField("y", "some other field", "string", false)
        ))
      ),
      ImmutableMap.of(
        "k1", "v1",
        "k2", "v2"
      )
    );
    File configFile = new File(tmpFolder.newFolder(), "r1-1.0.0.json");
    try (BufferedWriter writer = Files.newWriter(configFile, Charsets.UTF_8)) {
      writer.write(validConfig.toString());
    }

    Assert.assertEquals(validConfig, configReader.read(Id.Namespace.DEFAULT, configFile));
  }

  @Test(expected = InvalidArtifactException.class)
  public void testInvalidParentNamespace() throws IOException, InvalidArtifactException {
    ArtifactConfig badConfig = new ArtifactConfig(
      ImmutableSet.of(
        new ArtifactRange(Id.Namespace.DEFAULT, "b", new ArtifactVersion("1.0.0"), new ArtifactVersion("2.0.0"))
      ),
      ImmutableSet.<PluginClass>of(),
      ImmutableMap.<String, String>of());
    File configFile = new File(tmpFolder.newFolder(), "r1-1.0.0.json");
    try (BufferedWriter writer = Files.newWriter(configFile, Charsets.UTF_8)) {
      writer.write(badConfig.toString());
    }

    configReader.read(Id.Namespace.SYSTEM, configFile);
  }

  @Test(expected = InvalidArtifactException.class)
  public void testBadJsonSyntax() throws IOException, InvalidArtifactException {
    File configFile = new File(tmpFolder.newFolder(), "r1-1.0.0.json");
    try (BufferedWriter writer = Files.newWriter(configFile, Charsets.UTF_8)) {
      writer.write("I am invalid.");
    }

    configReader.read(Id.Namespace.SYSTEM, configFile);
  }

  @Test(expected = InvalidArtifactException.class)
  public void testMissingPluginFields() throws IOException, InvalidArtifactException {
    File configFile = new File(tmpFolder.newFolder(), "r1-1.0.0.json");
    try (BufferedWriter writer = Files.newWriter(configFile, Charsets.UTF_8)) {
      writer.write("{ \"plugins\": [ { \"name\": \"something\" } ] }");
    }

    configReader.read(Id.Namespace.SYSTEM, configFile);
  }

  @Test(expected = InvalidArtifactException.class)
  public void testMalformedParentArtifact() throws IOException, InvalidArtifactException {
    File configFile = new File(tmpFolder.newFolder(), "r1-1.0.0.json");
    try (BufferedWriter writer = Files.newWriter(configFile, Charsets.UTF_8)) {
      writer.write("{ \"parents\": [ \"r2:[1.0.0,2.0.0) \" ] }");
    }

    configReader.read(Id.Namespace.SYSTEM, configFile);
  }

  @Test(expected = InvalidArtifactException.class)
  public void testBadParentArtifactName() throws IOException, InvalidArtifactException {
    File configFile = new File(tmpFolder.newFolder(), "r1-1.0.0.json");
    try (BufferedWriter writer = Files.newWriter(configFile, Charsets.UTF_8)) {
      writer.write("{ \"parents\": [ \"r!2[1.0.0,2.0.0) \" ] }");
    }

    configReader.read(Id.Namespace.SYSTEM, configFile);
  }

  @Test(expected = InvalidArtifactException.class)
  public void testBadParentArtifactRange() throws IOException, InvalidArtifactException {
    File configFile = new File(tmpFolder.newFolder(), "r1-1.0.0.json");
    try (BufferedWriter writer = Files.newWriter(configFile, Charsets.UTF_8)) {
      writer.write("{ \"parents\": [ \"r2(2.0.0,1.0.0) \" ] }");
    }

    configReader.read(Id.Namespace.SYSTEM, configFile);
  }
}