CallOut

• クラス

  public class ItemCreateHttpCallout {
  
  // コンストラクタ
  public ItemCreateHttpCallout() {
  }
  
  //このメソッドを非同期実行するために、@futureを記述
  @future(callout=true)
  public static void callout(String JSON) {
      System.debug('JSON : ' + JSON);
      wait(3000);
      //HTTPリクエストの作成
      Http http = new Http();
      HttpRequest req = new HttpRequest();
      req.setEndpoint('https://example.com/Prod/hello');
      req.setMethod('POST');
      req.setHeader('Content-Type', 'application/x-www-form-urlencoded');
      req.setHeader('Content-Type', 'application/json');
      req.setHeader('Accept', '*//*');
      req.setHeader('Accept-Encoding', 'gzip, deflate');
      req.setHeader('Accept-Language', 'ja-JP');
      req.setBody(JSON);
      HttpResponse res = http.send(req);
      System.debug(res.getBody());
  
      //レスポンスチェック
      if (res.getStatusCode() == 200) {
          //コールアウト成功
      } else {
          System.debug('Callout failed: ' + res);
      }
  }
  }

• テストクラス

  @isTest(SeeAllData=false)
  private class ItemCreateHttpCalloutTEST {
  @testSetup
  static void setup() {
      System.debug('testMethod : setup');
  }
  
  public class ExampleCalloutMock2 implements HttpCalloutMock{
      public HttpResponse respond(HTTPRequest req){
          HttpResponse res = new HttpResponse();
          res.setStatus('OK');
          res.setStatusCode(200);
          String body = 'TEST';
          res.setBody(body);
          return res;
      }
  }
  
  static testMethod void Test01(){
  
      Test.startTest();
      Test.setMock(HttpCalloutMock.class, new ExampleCalloutMock2());
  
      JSONGenerator gen = JSON.createGenerator(true);
      gen.writeStartObject();
      gen.writeStringField('BBSecToken', 'abcdefg');
      gen.writeEndObject();
  
      ItemCreateHttpCallout.callout(gen.getAsString());
      Test.stopTest();
  }
  }