java-design-patterns/cloud-claim-check-pattern/call-usage-app/src/test/java/com/iluwatar/claimcheckpattern/HttpResponseMessageMock.java

/*
 * The MIT License
 * Copyright © 2014-2021 Ilkka Seppälä
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.iluwatar.claimcheckpattern;

import com.microsoft.azure.functions.HttpResponseMessage;
import com.microsoft.azure.functions.HttpStatus;
import com.microsoft.azure.functions.HttpStatusType;
import java.util.HashMap;
import java.util.Map;

/**
 * The mock for HttpResponseMessage, can be used in unit tests to verify if the
 * returned response by HTTP trigger function is correct or not.
 */
public class HttpResponseMessageMock implements HttpResponseMessage {
    private int httpStatusCode;
    private HttpStatusType httpStatus;
    private Object body;
    private Map<String, String> headers;

    public HttpResponseMessageMock(HttpStatusType status, Map<String, String> headers, Object body) {
        this.httpStatus = status;
        this.httpStatusCode = status.value();
        this.headers = headers;
        this.body = body;
    }

    @Override
    public HttpStatusType getStatus() {
        return this.httpStatus;
    }

    @Override
    public int getStatusCode() {
        return httpStatusCode;
    }

    @Override
    public String getHeader(String key) {
        return this.headers.get(key);
    }

    @Override
    public Object getBody() {
        return this.body;
    }

    public static class HttpResponseMessageBuilderMock implements HttpResponseMessage.Builder {
        private Object body;
        private int httpStatusCode;
        private Map<String, String> headers = new HashMap<>();
        private HttpStatusType httpStatus;

        public Builder status(HttpStatus status) {
            this.httpStatusCode = status.value();
            this.httpStatus = status;
            return this;
        }

        @Override
        public Builder status(HttpStatusType httpStatusType) {
            this.httpStatusCode = httpStatusType.value();
            this.httpStatus = httpStatusType;
            return this;
        }

        @Override
        public HttpResponseMessage.Builder header(String key, String value) {
            this.headers.put(key, value);
            return this;
        }

        @Override
        public HttpResponseMessage.Builder body(Object body) {
            this.body = body;
            return this;
        }

        @Override
        public HttpResponseMessage build() {
            return new HttpResponseMessageMock(this.httpStatus, this.headers, this.body);
        }
    }
}