Bug fix browserstack-cypress run without browserstack.json

- Validates the browserstack.json file for given path.
- Prints error message with instruction to create browserstack.json file.

Author: suryart

bin/commands/runs.js

@@ -7,6 +7,7 @@ var config = require('../helpers/config');
 var capabilityHelper = require("../helpers/capabilityHelper");
 var fs = require('fs');
 const Constants = require('../helpers/constants');
+const fileHelpers = require('../helpers/fileHelpers');
 
 module.exports = function run(args) {
   return runCypress(args);
@@ -18,45 +19,51 @@ function deleteZip() {
       logger.log(Constants.userMessages.ZIP_DELETE_FAILED);
     } else {
       logger.log(Constants.userMessages.ZIP_DELETED);
-    }            
+    }
   });
 }
 
 function runCypress(args) {
   let bsConfigPath = process.cwd() + args.cf;
   logger.log(`Reading config from ${args.cf}`);
-  var bsConfig = require(bsConfigPath);
+  fileHelpers.fileExists(bsConfigPath, (configExists) => {
+    if (configExists) {
+      var bsConfig = require(bsConfigPath);
 
-  // Validate browserstack.json
-  capabilityHelper.validate(bsConfig).then(function (validated) {
-    logger.log(validated);
-    // Archive the spec files
-    archiver.archive(bsConfig.run_settings, config.fileName).then(function (data) {
-      // Uploaded zip file
-      zipUploader.zipUpload(bsConfig, config.fileName).then(function (zip) {
-        // Create build
-        build.createBuild(bsConfig, zip).then(function (data) {
-          return;
+      // Validate browserstack.json
+      capabilityHelper.validate(bsConfig).then(function (validated) {
+        logger.log(validated);
+        // Archive the spec files
+        archiver.archive(bsConfig.run_settings, config.fileName).then(function (data) {
+          // Uploaded zip file
+          zipUploader.zipUpload(bsConfig, config.fileName).then(function (zip) {
+            // Create build
+            build.createBuild(bsConfig, zip).then(function (data) {
+              return;
+            }).catch(function (err) {
+              // Build creation failed
+              logger.error(Constants.userMessages.BUILD_FAILED)
+            });
+          }).catch(function (err) {
+            // Zip Upload failed
+            logger.error(err)
+            logger.error(Constants.userMessages.ZIP_UPLOAD_FAILED)
+          }).finally(function () {
+            deleteZip();
+          });
         }).catch(function (err) {
-          // Build creation failed
-          logger.error(Constants.userMessages.BUILD_FAILED)
+          // Zipping failed
+          logger.error(err)
+          logger.error(Constants.userMessages.FAILED_TO_ZIP)
+          deleteZip();
         });
       }).catch(function (err) {
-        // Zip Upload failed
+        // browerstack.json is not valid
         logger.error(err)
-        logger.error(Constants.userMessages.ZIP_UPLOAD_FAILED)
-      }).finally(function () {
-        deleteZip();
+        logger.error(Constants.validationMessages.NOT_VALID)
       });
-    }).catch(function (err) {
-      // Zipping failed
-      logger.error(err)
-      logger.error(Constants.userMessages.FAILED_TO_ZIP)
-      deleteZip();
-    });
-  }).catch(function (err) {
-    // browerstack.json is not valid
-    logger.error(err)
-    logger.error(Constants.validationMessages.NOT_VALID)
+    } else {
+      logger.error('Could not find browserstack.json, you can create it by running `browserstack-cypress init`');
+    }
   });
 }