@Test

  /**

   *

   * Steps:

   * 1. Generate new Schema_registry with some example schemas.

   * 2. Construct schemaDataMAnager and generate RelayDevConfigs for the example DB.

   * 3. Open the newly generated json file containing physical-sources config and de-serialize to construct a physicalSourcesConfig object

   * 4. Ensure physicalSourcesConfig object have expected source configurations.

   *

   * @throws Exception

   */

  public void testDevRelaySrcConfigGen()

    throws Exception

  {

    // Schema

    String[] personSchema = { "{\"type\":\"record\",\"name\":\"Person\",\"namespace\":\"com.linkedin.events.example\",\"fields\":[{\"name\":\"txn\",\"type\":[\"long\",\"null\"],\"meta\":\"dbFieldName=TXN;dbFieldPosition=0;\"},{\"name\":\"key\",\"type\":[\"long\",\"null\"],\"meta\":\"dbFieldName=KEY;dbFieldPosition=1;\"},{\"name\":\"firstName\",\"type\":[\"string\",\"null\"],\"meta\":\"dbFieldName=FIRST_NAME;dbFieldPosition=2;\"},{\"name\":\"lastName\",\"type\":[\"string\",\"null\"],\"meta\":\"dbFieldName=LAST_NAME;dbFieldPosition=3;\"},{\"name\":\"birthDate\",\"type\":[\"long\",\"null\"],\"meta\":\"dbFieldName=BIRTH_DATE;dbFieldPosition=4;\"},{\"name\":\"deleted\",\"type\":[\"string\",\"null\"],\"meta\":\"dbFieldName=DELETED;dbFieldPosition=5;\"}],\"meta\":\"dbFieldName=sy$person;\"}"};

    String[] addressSchema = { "{\"type\":\"record\",\"name\":\"Address\",\"namespace\":\"com.linkedin.events.example\",\"fields\":[{\"name\":\"txn\",\"type\":[\"long\",\"null\"],\"meta\":\"dbFieldName=TXN;dbFieldPosition=0;\"},{\"name\":\"key\",\"type\":[\"long\",\"null\"],\"meta\":\"dbFieldName=KEY;dbFieldPosition=1;\"},{\"name\":\"addressLine1\",\"type\":[\"string\",\"null\"],\"meta\":\"dbFieldName=ADDRESS_LINE_1;dbFieldPosition=2;\"},{\"name\":\"addressLine2\",\"type\":[\"string\",\"null\"],\"meta\":\"dbFieldName=ADDRESS_LINE_2;dbFieldPosition=3;\"},{\"name\":\"zipCode\",\"type\":[\"long\",\"null\"],\"meta\":\"dbFieldName=ZIP_CODE;dbFieldPosition=4;\"},{\"name\":\"deleted\",\"type\":[\"string\",\"null\"],\"meta\":\"dbFieldName=DELETED;dbFieldPosition=5;\"}],\"meta\":\"dbFieldName=sy$address;\"}"};

    // Index Schema registry contents

    String[] indexContents = { "com.linkedin.events.example.person.avsc",

                               "com.linkedin.events.example.address.avsc"};

    // Meta-Data contents

    String[] idNameMapContents = {

                                  "1:com.linkedin.events.example.person",

                                  "2:com.linkedin.events.example.address"};

    String[] dbToSrcMapContents = { "{",

                                   "  \"example\" : [ \"com.linkedin.events.example.Address\", \"com.linkedin.events.example.Person\" ]",

                                   "}"

                                 };

    File schemaDir = FileUtils.createTempDir("dir_testDevRelaySrcConfigGen");

    String dbToSrcFile1 = schemaDir.getAbsolutePath() + "/physical_logical_src_map.json";

    String idNameMapFile1 = schemaDir.getAbsolutePath() + "/idToName.map";

    String indexRegistry = schemaDir.getAbsolutePath() + "/index.schemas_registry";

    String personSchemaFile = schemaDir.getAbsolutePath() + "/com.linkedin.events.example.person.1.avsc";

    String addressSchemaFile = schemaDir.getAbsolutePath() + "/com.linkedin.events.example.address.1.avsc";

    FileUtils.storeLinesToTempFile(dbToSrcFile1, dbToSrcMapContents);

    FileUtils.storeLinesToTempFile(idNameMapFile1, idNameMapContents);

    FileUtils.storeLinesToTempFile(indexRegistry, indexContents);

    FileUtils.storeLinesToTempFile(personSchemaFile, personSchema);

    FileUtils.storeLinesToTempFile(addressSchemaFile, addressSchema);

    SchemaMetaDataManager mgr = new SchemaMetaDataManager(schemaDir.getAbsolutePath());

    String uri = "jdbc:oracle:thin:liar/liar@devdb:DB";

    List<String> exampleSrcs = Arrays.asList("com.linkedin.events.example.person", "com.linkedin.events.example.address");

    DevRelayConfigGenerator.generateRelayConfig(schemaDir.getAbsolutePath(), "example", uri, schemaDir.getAbsolutePath(), exampleSrcs, mgr);

    File f = new File(schemaDir.getAbsolutePath() + "/sources-example.json");

    Assert.assertTrue( f.exists(),"Physical Src Config file present?");

    BufferedReader r = new BufferedReader(new FileReader(f));

    String json = r.readLine();

    PhysicalSourceConfig config = PhysicalSourceConfig.fromString(json);

    config.checkForNulls();

    Assert.assertEquals(config.getUri(), uri);

    Assert.assertEquals(config.getName(), "example");

    List<LogicalSourceConfig> srcs = config.getSources();

    Assert.assertEquals(srcs.size(),2 );

    Assert.assertEquals(srcs.get(0).getId(), 1);

    Assert.assertEquals(srcs.get(0).getName(), "com.linkedin.events.example.person");

    Assert.assertEquals(srcs.get(0).getUri(), "example.sy$person");

    Assert.assertEquals(srcs.get(1).getId(), 2);

    Assert.assertEquals(srcs.get(1).getName(), "com.linkedin.events.example.address");

    Assert.assertEquals(srcs.get(1).getUri(), "example.sy$address");

  }

}