Merge pull request #28 from karanshah81295/cypress_json_not_found

Adding validation to check if cypress.json is present at the cypress_proj_dir and a valid json.

Author: karanshah-browserstack

bin/helpers/capabilityHelper.js

@@ -1,5 +1,7 @@
 const logger = require("./logger").winstonLogger,
-  Constants = require("./constants");
+  Constants = require("./constants"),
+  fs = require('fs'),
+  path = require('path');
 
 const caps = (bsConfig, zip) => {
   return new Promise(function (resolve, reject) {
@@ -91,6 +93,15 @@ const validate = (bsConfig) => {
 
     if(!bsConfig.run_settings.cypress_proj_dir) reject(Constants.validationMessages.EMPTY_SPEC_FILES);
 
+    if (!fs.existsSync(path.join(bsConfig.run_settings.cypress_proj_dir, 'cypress.json'))) reject(Constants.validationMessages.CYPRESS_JSON_NOT_FOUND + bsConfig.run_settings.cypress_proj_dir);
+
+    try{
+      let cypressJson = fs.readFileSync(path.join(bsConfig.run_settings.cypress_proj_dir, 'cypress.json'))
+      JSON.parse(cypressJson)
+    }catch(error){
+      reject(Constants.validationMessages.INVALID_CYPRESS_JSON)
+    }
+    
     resolve(Constants.validationMessages.VALIDATED);
   });
 }

bin/helpers/constants.js

@@ -24,6 +24,8 @@ const validationMessages = {
   NOT_VALID: "browerstack.json is not valid",
   NOT_VALID_JSON: "browerstack.json is not a valid json",
   INVALID_EXTENSION: "Invalid files, please remove these files and try again.",
+  CYPRESS_JSON_NOT_FOUND: "cypress.json file is not found at cypress_proj_dir path ",
+  INVALID_CYPRESS_JSON: "cypress.json is not a valid json"
 };
 
 const cliMessages = {