diff --git a/objects/Submission.mjs b/objects/Submission.mjs
index 21e3613..7578f7d 100644
--- a/objects/Submission.mjs
+++ b/objects/Submission.mjs
@@ -1,8 +1,43 @@
 import Entity from "./Entity.mjs";
+import dataValidation from "./dataValidation.mjs";
 
 export default class Submission extends Entity{
+    set _story_id(prop){
+        if(prop){
+            if(!Number.isInteger(prop)){throw new TypeError("story_id must be an integer")}
+            this.story_id=prop
+        }
+    }
+    set _pub_id(prop){
+        if(prop){
+            if(!Number.isInteger(prop)){throw new TypeError("pub_id must be an integer")}
+            this.pub_id=prop
+        }
+    }
+    set _response_id(prop){
+        if(prop){
+            if(!Number.isInteger(prop)){throw new TypeError("response_id must be an integer")}
+            this.response_id=prop
+        }
+    }
+    set _date_submitted(prop){
+        if(prop){
+            if(!dataValidation.dateStringIsValid(prop)){throw new TypeError("response_id must be a valid date in YYYY-MM-DD format")}
+            this.date_submitted=prop
+        }
+    }
+    set _date_responded(prop){
+        if(prop){
+            if(!dataValidation.dateStringIsValid(prop)){throw new TypeError("date_responded must be a valid date in YYYY-MM-DD format")}
+            this.date_responded=prop
+        }
+    }
     constructor(data){
         super(data)
-
+        this._story_id=data?.story_id
+        this._pub_id=data?.pub_id
+        this._response_id=data?.response_id
+        this._date_submitted=data?.date_submitted
+        this._date_responded=data?.date_responded
     }
 }
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diff --git a/test/Submission.test.mjs b/test/Submission.test.mjs
index f975326..667ce3b 100644
--- a/test/Submission.test.mjs
+++ b/test/Submission.test.mjs
@@ -6,5 +6,43 @@ import { testDb as db } from "../db.mjs";
 import Submission from "../objects/Submission.mjs"
 chai.use(chaiAsPromised)
 describe("testing Submission object",function(){
-    it("should throw if passed invalid")
+    it("should throw if passed invalid story_id", function(){
+        expect(()=>{new Submission({story_id:"string"})}).to.throw(TypeError)
+        expect(()=>{new Submission({story_id:[]})}).to.throw(TypeError)
+        expect(()=>{new Submission({story_id:{}})}).to.throw(TypeError)
+    })
+    it("should throw if passed invalid pub_id", function(){
+        expect(()=>{new Submission({pub_id:"string"})}).to.throw(TypeError)
+        expect(()=>{new Submission({pub_id:[]})}).to.throw(TypeError)
+        expect(()=>{new Submission({pub_id:{}})}).to.throw(TypeError)
+        
+    })
+    it("should throw if passed invalid response_id", function(){
+        expect(()=>{new Submission({response_id:"string"})}).to.throw(TypeError)
+        expect(()=>{new Submission({response_id:[]})}).to.throw(TypeError)
+        expect(()=>{new Submission({response_id:{}})}).to.throw(TypeError)
+    })
+    it("should throw if passed invalid date_submitted", function(){
+        expect(()=>{new Submission({date_submitted:"01-01-9999"})}).to.throw(TypeError)
+        expect(()=>{new Submission({date_submitted:"not even a date"})}).to.throw(TypeError)
+        expect(()=>{new Submission({date_submitted:{}})}).to.throw(TypeError)
+        
+    })
+    it("should throw if passed invalid date_resonded", function(){
+        expect(()=>{new Submission({date_responded:"01-01-9999"})}).to.throw(TypeError)
+        expect(()=>{new Submission({date_responded:"not even a date"})}).to.throw(TypeError)
+        expect(()=>{new Submission({date_responded:{}})}).to.throw(TypeError)
+    })
+    it("should create an object with enumerable props equal to it's input if passed correct data", function(){
+        const goodData = {
+            pub_id:1,
+            story_id:1,
+            response_id:1,
+            date_submitted:'1999-01-01',
+            date_responded: '1999-01-02'
+        }
+        const submission = new Submission(goodData)
+        expect(submission).to.eql(goodData)
+    })
+    
 })
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