Merge pull request #158 from percy/PPLT-2089/poa-cache-js

Making Caching for PoA

percy/percyOnAutomate.js

@@ -4,6 +4,7 @@ const utils = require('@percy/sdk-utils');
 // Collect client and environment information
 const sdkPkg = require('../package.json');
 const CLIENT_INFO = `${sdkPkg.name}/${sdkPkg.version}`;
+const { Cache } = require('./util/cache');
 
 let clientWdPkg = null;
 try {
@@ -29,8 +30,12 @@ module.exports = async function percyOnAutomate(driver, name, options) {
     // This AppiumDriver has a property of driver which contains the original driver
     // Hence to access the capabilities of original driver adding this fix
     // Also, note that driverWrapper.getCapabilities() returns only few capabilities and not all
-    const capabilities = driver.type === 'wd' ? await driver.getCapabilities() : driver.driver.capabilities;
-    const commandExecutorUrl = driver.commandExecutorUrl;
+    const capabilities = await Cache.withCache(Cache.capabilities, sessionId, async () => {
+      return driver.type === 'wd' ? await driver.getCapabilities() : driver.driver.capabilities;
+    });
+    const commandExecutorUrl = await Cache.withCache(Cache.commandExecutorUrl, sessionId, async () => {
+      return driver.commandExecutorUrl;
+    });
 
     /* istanbul ignore next */
     if (options) {

percy/util/cache.js

@@ -7,6 +7,9 @@ class Cache {
   // Common stores, const, dont modify outside
   static caps = 'caps';
   static systemBars = 'systemBars';
+  static capabilities = 'capabilities';
+  static sessionCapabilities = 'session_capabilites';
+  static commandExecutorUrl = 'command_executor_url';
 
   // maintainance
   static lastTime = Date.now();