Add addExtension helper

Add resetExtensions() fn to helpers/extensions.js

Author: benjaminapetersen

test/integration/features/user_creates_from_url.spec.js

@@ -4,6 +4,7 @@ require('jasmine-beforeall');
 
 const h = require('../helpers');
 const addExtension = require('../helpers/extensions').addExtension;
+const resetExtensions = require('../helpers/extensions').resetExtensions;
 const matchersHelpers = require('../helpers/matchers');
 const projectHelpers = require('../helpers/project');
 const inputsHelpers = require('../helpers/inputs');
@@ -48,6 +49,7 @@ describe('authenticated e2e-user', function() {
 
   afterAll(function() {
     projectHelpers.deleteAllProjects();
+    resetExtensions();
     h.afterAllTeardown();
   });
 

test/integration/helpers/extensions.js

@@ -0,0 +1,69 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+// unfortunately we have to modify the file stored in .tmp/extensions.js
+// since our tests run after grunt does its its copy/build step.
+let filePath = path.join(__dirname, '../../../.tmp', 'scripts');
+let fileName = path.join(filePath, 'extensions.js');
+// a cache of the first read so we can reset easily
+let cacheFileContents;
+
+let read = (fileName, cb) => {
+  return fs.readFile(fileName, 'utf-8', cb);
+};
+
+let write = (fileName, contents, cb) => {
+  return fs.writeFile(fileName, contents, 'utf-8', cb);
+};
+
+// creates a cache of the .tmp/extensions.js file.
+// NOTE: addExtension() will also cache the first file read if it has never yet been cached.
+exports.cacheCurrentExtensions = () => {
+  read(fileName, (readErr, fileContents) => {
+    cacheFileContents = fileContents;
+    if(readErr) {
+      console.log('cacheCurrentExtensions() read error:', readErr);
+      return;
+    }
+  });
+};
+
+// to use: a template literal is probably the easiest way to provide JS to inject into the
+// extensions.js file.  Please wrap in IIFE as addExtension() may be called multiple times &
+// the file contents will be concatenated:
+//    var jsToWrite = `
+//    (function() {
+//      // createFromURL test file ${testTime} // (can use interpolation))
+//      window.OPENSHIFT_CONSTANTS.CREATE_FROM_URL_WHITELIST = ['openshift', 'template-dumpster'];
+//    })();
+//    `;
+// adding to the extension.js file:
+//    addExtension(jsToWrite)
+exports.addExtension = (fileContents) => {
+  read(fileName, (readErr, originalFile) => {
+    if(!cacheFileContents) {
+      cacheFileContents = originalFile;
+    }
+    if(readErr) {
+      console.log('addExtension() read error:', readErr);
+      return;
+    }
+    write(fileName, originalFile + fileContents, (writeErr) => {
+      if(writeErr) {
+        console.log('addExtension() write error:', writeErr);
+        return;
+      }
+    });
+  });
+};
+
+// sets the .tmp/extensions.js file either back to the original contents, or wipes it clean.
+exports.resetExtensions = () => {
+  write(fileName, cacheFileContents || '', (writeErr) => {
+    if(writeErr) {
+      console.log('resetExtensions() write error:', writeErr);
+    }
+  });
+};