change：

1.写死作业参数，方便测试
add:
1.增加测试类

core/src/main/java/com/alibaba/datax/core/Engine.java

@@ -120,20 +120,22 @@ public class Engine {
         return configuration;
     }
 
-    public static void entry(final String[] args) throws Throwable {
-        Options options = new Options();
-        options.addOption("job", true, "Job config.");
-        options.addOption("jobid", true, "Job unique id.");
-        options.addOption("mode", true, "Job runtime mode.");
+    public static void entry() throws Throwable {
+//        Options options = new Options();
+//        options.addOption("job", true, "Job config.");
+//        options.addOption("jobid", true, "Job unique id.");
+//        options.addOption("mode", true, "Job runtime mode.");
+//
+//        DefaultParser parser = new DefaultParser();
+//        CommandLine cl = parser.parse(options, args);
 
-        DefaultParser parser = new DefaultParser();
-        CommandLine cl = parser.parse(options, args);
-
-        String jobPath = cl.getOptionValue("job");
+        // 指定作业配置json
+        String jobPath = "/Users/huzekang/openSource/DataX/job-sample/oracle2mysql.json";
 
         // 如果用户没有明确指定jobid, 则 datax.py 会指定 jobid 默认值为-1
-        String jobIdString = cl.getOptionValue("jobid");
-        RUNTIME_MODE = cl.getOptionValue("mode");
+        String jobIdString = "-1";
+        // 指定单机还是分布式模式运行
+        RUNTIME_MODE = "standalone";
 
         Configuration configuration = ConfigParser.parse(jobPath);
 
@@ -203,7 +205,7 @@ public class Engine {
         //要断点手动去除idea默认加入的参数才开正常运行
         int exitCode = 0;
         try {
-            Engine.entry(args);
+            Engine.entry();
         } catch (Throwable e) {
             exitCode = 1;
             LOG.error("\n\n经DataX智能分析,该任务最可能的错误原因是:\n" + ExceptionTracker.trace(e));
@@ -222,4 +224,22 @@ public class Engine {
         System.exit(exitCode);
     }
 
+    public static void startJob() {
+        try {
+            Engine.entry();
+        } catch (Throwable e) {
+
+            LOG.error("\n\n经DataX智能分析,该任务最可能的错误原因是:\n" + ExceptionTracker.trace(e));
+
+            if (e instanceof DataXException) {
+                DataXException tempException = (DataXException) e;
+                ErrorCode errorCode = tempException.getErrorCode();
+                if (errorCode instanceof FrameworkErrorCode) {
+                    FrameworkErrorCode tempErrorCode = (FrameworkErrorCode) errorCode;
+                }
+            }
+
+        }
+    }
+
 }

core/src/test/java/Test.java

@@ -0,0 +1,15 @@
+import com.alibaba.datax.core.Engine;
+
+/**
+ * @program: datax-all
+ * @description:
+ * @author: huzekang
+ * @create: 2019-04-17 11:37
+ **/
+public class Test {
+
+    @org.junit.Test
+    public void test() {
+        Engine.startJob();
+    }
+}