/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017-2018 Amdocs
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
package org.onap.aai.sa.rest;

import static org.junit.Assert.assertTrue;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.File;
import java.io.IOException;
import org.junit.Test;

public class DocumentSchemaTest {

    private final String SIMPLE_DOC_SCHEMA_JSON = "src/test/resources/json/simpleDocument.json";
    private final String NESTED_DOC_SCHEMA_JSON = "src/test/resources/json/nested-document.json";


    /**
     * This test validates that we convert document definitions back and forth between json strings and POJOs without
     * any loss of data.
     *
     * @throws com.fasterxml.jackson.core.JsonParseException
     * @throws com.fasterxml.jackson.databind.JsonMappingException
     * @throws IOException
     */
    @Test
    public void simpleDocSchemaFromJsonFileTest() throws com.fasterxml.jackson.core.JsonParseException,
            com.fasterxml.jackson.databind.JsonMappingException, IOException {

        // Import our json format document schema from a file.
        File schemaFile = new File(SIMPLE_DOC_SCHEMA_JSON);
        String fileString = TestUtils.readFileToString(schemaFile);

        // Unmarshall that to a Java POJO
        ObjectMapper mapper = new ObjectMapper();
        DocumentSchema docSchema = mapper.readValue(schemaFile, DocumentSchema.class);

        // Now, for the purposes of comparison, produce a JSON string from
        // our Java object.
        String jsonString = mapper.writeValueAsString(docSchema);

        // Assert that the raw JSON that we read from the file matches the marshalled
        // JSON we generated from our Java object (ie: validate that we didn't lose
        // anything going in either direction).
        assertTrue("Marshalled object does not match the original json source that produced it",
                fileString.equals(jsonString));
    }

    //
    // /**
    // * This test validates that we convert document definitions back and
    // * forth between json strings and POJOs without any loss of data in
    // * the case of document schemas which contain nested fields.
    // *
    // * @throws com.fasterxml.jackson.core.JsonParseException
    // * @throws com.fasterxml.jackson.databind.JsonMappingException
    // * @throws IOException
    // */

    @Test
    public void nestedDocSchemaFromJsonFileTest() throws JsonParseException, JsonMappingException, IOException {

        // Import our json format document schema from a file.
        File schemaFile = new File(NESTED_DOC_SCHEMA_JSON);
        String fileString = TestUtils.readFileToString(schemaFile);

        // Unmarshall that to a Java POJO
        ObjectMapper mapper = new ObjectMapper();
        DocumentSchema docSchema = mapper.readValue(schemaFile, DocumentSchema.class);

        String jsonString = mapper.writeValueAsString(docSchema);

        // Assert that the raw JSON that we read from the file matches the marshalled
        // JSON we generated from our Java object (ie: validate that we didn't lose
        // anything going in either direction).
        assertTrue("Marshalled object does not match the original json source that produced it",
                fileString.equals(jsonString));
    }
}