npm install cache and messaging

Author: sparsh0204

bin/helpers/constants.js

@@ -38,7 +38,7 @@ const userMessages = {
   NO_NPM_DEPENDENCIES_READ_MORE: "Read more about npm dependencies here: https://www.browserstack.com/docs/automate/cypress/npm-packages. You can suppress this warning by using --disable-npm-warning flag.",
   VALIDATING_CONFIG: "Validating the config",
   UPLOADING_TESTS: "Uploading the tests to BrowserStack",
-  UPLOADING_NPM_PACKAGES: "Uploading npm packages to BrowserStack",
+  UPLOADING_NPM_PACKAGES: "Uploading required node_modules to BrowserStack",
   LOCAL_TRUE: "you will now be able to test localhost / private URLs",
   LOCAL_FALSE: "you won't be able to test localhost / private URLs",
   EXIT_SYNC_CLI_MESSAGE: "Exiting the CLI, but your build is still running. You can use the --sync option to keep getting test updates. You can also use the build-info <build-id> command now.",

bin/helpers/fileHelpers.js

@@ -36,15 +36,15 @@ exports.deleteZip = () => {
   }
 };
 
-exports.deletePackageArchieve = () => {
+exports.deletePackageArchieve = (logging = true) => {
   try {
     delete process.env.CYPRESS_INSTALL_BINARY;
     fs.removeSync(config.packageFileName);
     fs.removeSync(config.packageDirName);
-    logger.info(Constants.userMessages.NPM_DELETED);
+    if (logging) logger.info(Constants.userMessages.NPM_DELETED);
     return 0;
   } catch (err) {
-    logger.info(Constants.userMessages.NPM_DELETE_FAILED);
+    if (logging) logger.info(Constants.userMessages.NPM_DELETE_FAILED);
     return 1;
   }
 };

bin/helpers/packageInstaller.js

@@ -2,15 +2,17 @@
 const npm = require('npm'),
   archiver = require("archiver"),
   path = require('path'),
+  os = require('os'),
   fs = require('fs-extra'),
   fileHelpers = require('./fileHelpers'),
+  logger = require("./logger").winstonLogger,
   Constants = require('./constants'),
   process = require('process'),
   utils = require('./utils');
 
 const setupPackageFolder = (runSettings, directoryPath) => {
   return new Promise(function (resolve, reject) {
-    fileHelpers.deletePackageArchieve();
+    fileHelpers.deletePackageArchieve(false);
     fs.mkdir(directoryPath, function (err) {
       try {
         if (err) {
@@ -51,6 +53,7 @@ const packageInstall = (packageDir) => {
   return new Promise(function (resolve, reject) {
     let savedPrefix = null;
     let npmLoad = Constants.packageInstallerOptions.npmLoad
+    npmLoad["cache"] = fs.mkdtempSync(`${os.tmpdir()}${path.sep}`);
     const installCallback = (err, result) => {
       npm.prefix = savedPrefix;
       if (err) {
@@ -110,6 +113,7 @@ const packageWrappper = (bsConfig, packageDir, packageFile, md5data, instrumentB
     if (md5data.packageUrlPresent || !utils.isTrueString(bsConfig.run_settings.cache_dependencies)) {
       return resolve(obj);
     }
+    logger.info(`Installing required dependencies and building the package to upload to BrowserStack`);
     instrumentBlocks.markBlockStart("packageInstaller.folderSetup");
     return setupPackageFolder(bsConfig.run_settings, packageDir).then((_result) => {
       process.env.CYPRESS_INSTALL_BINARY = 0