@Test public void testMergeWhenConfigurationsIsEmpty() throws Exception { Path schemaUrl = Paths.get(Thread.currentThread().getContextClassLoader().getResource("override/schema.json").toURI()); DataSchema configuraionSchema = new DataSchema(new String(Files.readAllBytes(schemaUrl))); SchemaGenerationAlgorithmFactory factory = new SchemaGenerationAlgorithmFactoryImpl(); SchemaGenerationAlgorithm generator = factory.createSchemaGenerator(configuraionSchema); List<OverrideData> configurations = new ArrayList<>(); OverrideAlgorithm merger = new DefaultOverrideAlgorithm(); BaseData mergeResult = merger.override(null, configurations); Assert.assertNull(mergeResult); }
@Test public void testMergeOf3Configurations() throws Exception { // Create Configuration Schema Path schemaUrl = Paths.get(Thread.currentThread().getContextClassLoader().getResource("override/schema.json").toURI()); DataSchema configuraionSchema = new DataSchema(new String(Files.readAllBytes(schemaUrl))); SchemaGenerationAlgorithmFactory factory = new SchemaGenerationAlgorithmFactoryImpl(); SchemaGenerationAlgorithm generator = factory.createSchemaGenerator(configuraionSchema); BaseSchema baseSchemaString = generator.getBaseSchema(); OverrideSchema overrideSchemaString = generator.getOverrideSchema(); // Create Configuration weight 0 Path configuraionWeight0Path = Paths.get(Thread.currentThread().getContextClassLoader().getResource("override/config_weight_0.json").toURI()); BaseData baseData = new BaseData(baseSchemaString, new String(Files.readAllBytes(configuraionWeight0Path))); // Create Configuration weight 1 Path configuraionWeight1Path = Paths.get(Thread.currentThread().getContextClassLoader().getResource("override/config_weight_1.json").toURI()); OverrideData data1 = new OverrideData(overrideSchemaString, new String(Files.readAllBytes(configuraionWeight1Path))); // Create Configuration weight 2 Path configuraionWeight2Path = Paths.get(Thread.currentThread().getContextClassLoader().getResource("override/config_weight_2.json").toURI()); OverrideData data2 = new OverrideData(overrideSchemaString, new String(Files.readAllBytes(configuraionWeight2Path))); List<OverrideData> configurations = new ArrayList<>(); configurations.add(data1); configurations.add(data2); Path mergedConfiguraionPath = Paths.get(Thread.currentThread().getContextClassLoader().getResource("override/merged_config.json").toURI()); String mergedConfiguraionBody = new String(Files.readAllBytes(mergedConfiguraionPath)); OverrideAlgorithm merger = new DefaultOverrideAlgorithm(); BaseData mergeResult = merger.override(baseData, configurations); GenericAvroConverter<GenericRecord> converter = new GenericAvroConverter<>(baseSchemaString.getRawSchema()); GenericRecord mergeResultGenericRecord = converter.decodeJson(mergeResult.getRawData()); GenericRecord expectedMergedConfiguraionGenericRecord = converter.decodeJson(mergedConfiguraionBody); Assert.assertTrue(mergeResultGenericRecord.equals(expectedMergedConfiguraionGenericRecord)); }
private Pair<BaseData, RawData> mergeConfiguration(String endpointId, String config, ConfigurationSchemaDto configSchema, Pair<BaseData, RawData> mergedConfiguration) throws GetDeltaException { OverrideAlgorithm configurationMerger = configurationOverrideFactory.createConfigurationOverrideAlgorithm(); OverrideSchema overrideSchema = new OverrideSchema(configSchema.getOverrideSchema()); try { LOG.trace("Merging group configuration with configuration: {}", config); BaseData baseData = configurationMerger.override(mergedConfiguration.getV1(), Collections.singletonList(new OverrideData(overrideSchema, config))); JsonNode json = new ObjectMapper().readTree(baseData.getRawData()); AvroUtils.removeUuids(json); RawData rawData = new RawData(new RawSchema(mergedConfiguration.getV2().getSchema().getRawSchema()), json.toString()); return new Pair<>(baseData, rawData); } catch (OverrideException | IOException oe) { LOG.error("[{}] Unexpected exception occurred while merging configuration: ", endpointId, oe); throw new GetDeltaException(oe); } finally { LOG.trace("[{}] getMergedConfiguration.compute end", endpointId); } }
return configurationMerger.override(baseConfig, overrideConfigs);