[WIP] JsonSchema Validation

package.json

@@ -17,13 +17,15 @@
     "moment": "^2.27.0",
     "prettier": "^2.0.5",
     "shelljs": "^0.8.4",
-    "simple-git": "^2.31.0"
+    "simple-git": "^2.31.0",
+    "yargs": "^17.0.1"
   },
   "description": "",
   "main": "main.js",
   "scripts": {
     "labgen": "node main.js",
     "validate-lab-descriptor": "node validateDescriptor.js",
+    "validate-schema": "node validation/validate.js",
     "build-ds-exp": "node exp.js --env=testing ../",
     "build-exp": "node exp.js --env=testing ../"
   },

validation/schema-map.json

@@ -0,0 +1,4 @@
+{
+    "posttest.json": "./schemas/quizv2Schema.json",
+    "pretest.json" : "./schemas/quizv2Schema.json"
+}

validation/validate.js

@@ -0,0 +1,65 @@
+const Ajv = require("ajv");
+const path = require("path");
+const schemaMap = require("./schema-map.json");
+
+const argv = require("yargs")(process.argv.slice(2))
+  .scriptName("validate")
+  .usage("$0 [args]")
+  .option("files", {
+    type: "array",
+    desc: "One or more files for validation",
+    demandOption: true,
+  }).check((argv) => {
+    if(argv.files.length === 0){
+        throw new Error('Empty Argument: Filenames cannot be empty');
+    }
+  })
+  .option("schema-map", {
+    type: "string",
+    desc: "The schema map file",
+  }).alias({
+    help: 'h',
+    version: 'v',
+    files: 'f',
+    schemaMap: 's',
+  }).argv;
+console.log(argv);
+
+let validateSchema = (input = "1", schema = "1") => {
+  console.log("validating " + input + " against " + schema);
+  console.log("You got validated");
+};
+
+module.exports.validateSchema = validateSchema;
+
+/**
+ * node validation/validate.js <jsonpath> <schema path>
+ */
+if (require.main === module) {
+  let json = "";
+  let schema = "";
+  console.log(process.argv.length);
+  switch (process.argv.length) {
+    case 2:
+      console.log("validating all");
+      validateSchema();
+      break;
+    case 3:
+      json = process.argv[2];
+      json = json.replace("/", "\\");
+      let n = json.lastIndexOf("\\");
+      let jsonKey = json.substring(n + 1);
+      console.log(json, n);
+      schema = schemaMap[jsonKey];
+      console.log(schema);
+      validateSchema(json, schema);
+      break;
+    case 4:
+      json = path.resolve(process.argv[2]);
+      schema = path.resolve(process.argv[3]);
+      validateSchema(json, schema);
+      break;
+    default:
+      console.log("Error");
+  }
+}