com.jayway.restassured.assertion.JSONAssertion.groovy Maven / Gradle / Ivy

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Java DSL for easy testing of REST services

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/*
 * Copyright 2010 the original author or authors.
 *
 * 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.jayway.restassured.assertion

import net.sf.json.JSONArray
import net.sf.json.JSONNull

/**
 * Created by IntelliJ IDEA.
 * User: johan
 * Date: Oct 23, 2010
 * Time: 2:27:27 PM
 * To change this template use File | Settings | File Templates.
 */
class JSONAssertion implements Assertion {
  String key;
  def getPattern = ~/get\(\d+\)/


  def Object getResult(Object object) {
    Object current = object;
    def keys = key.split("\\.");
    keys.each { key ->
      if(current instanceof JSONArray) {
        current = current?.getAt(key)
      } else if(current instanceof List) {
        current = JSONArray.fromObject(current)
        if(getPattern.matcher(key).matches()) {
          def index = Integer.parseInt(key.substring(4, key.length() - 1));
          current = current?.get(index)
        } else {
          current = current?.getAt(key)
        }
      } else if(current?.has(key)) {
        current = current.get(key)
      } else {
        throw new IllegalArgumentException("$object doesn't contain key $key")
      }
    }

    return convertToJavaArrayIfNeeded(current);
  }

  private Object convertToJavaArrayIfNeeded(current) {
    if (current instanceof JSONArray) {
      current = current.toArray()
    }
    if(current.getClass().isArray()) {
      for(int i = 0; i < current.length; i++) {
        if(current[i] instanceof JSONNull) {
          current[i] = null
        }
      }
    }
    return current


  }

  def String description() {
    return "JSON element"
  }
}