update toJSON, add tests, remove unused var

test/src/job.js

@@ -148,11 +148,6 @@ describe('Job Class', function () {
     beforeEach(function () {
       type = 'type2';
       payload = { id: '123' };
-      options = {
-        timeout: 4567,
-        max_attempts: 9,
-      };
-      sinon.spy(client, 'index');
     });
 
     it('should return the job document', function () {
@@ -171,4 +166,37 @@ describe('Job Class', function () {
     });
   });
 
+  describe('toJSON method', function () {
+    beforeEach(function () {
+      type = 'type2';
+      payload = { id: '123' };
+      options = {
+        timeout: 4567,
+        max_attempts: 9,
+        priority: 8,
+      };
+    });
+
+    it('should return false if no elasticsearch document', function () {
+      const job = new Job(client, index, 'test', {});
+      // same tick, document promise has not resolved
+      expect(job.toJSON()).to.equal(false);
+    });
+
+    it('should return the static information about the job', function () {
+      const job = new Job(client, index, type, payload, options);
+      // toJSON is sync, but only works once the document has been written
+      return job.ready.then(() => {
+        const doc = job.toJSON();
+        expect(doc).to.have.property('index', index);
+        expect(doc).to.have.property('type', type);
+        expect(doc).to.have.property('timeout', options.timeout);
+        expect(doc).to.have.property('max_attempts', options.max_attempts);
+        expect(doc).to.have.property('priority', options.priority);
+        expect(doc).to.have.property('id');
+        expect(doc).to.not.have.property('version');
+      });
+    });
+  });
+
 });