Category: Testing

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ERROR: Cannot define class using reflection

One of the scenario this error occurs when you have incorrect JAVA SDK. Please install https://www.java.com/en/download/ Make sure its added to your system path by doing echo $PATH.  Verify installation by doing java -version...

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ERROR: connect ECONNREFUSED 0.0.0.0:4444

ECONNREFUSED stands for connection refused by the server.  One of the scenario this error occurs when you try to use the standalone selenium server and java is not installed in your machine.  Please install...

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Stubbing a class without invoking a constructor

You can create Stub instances using sinon.createStubInstance. const sinon = require(‘sinon’); const Foo = require(‘../Foo.js’); const fooStub = sinon.createStubInstance(Foo); fooStub.foo { bar() { returns ‘bar’; } } expect(fooStub.foo.bar()).to.equal(‘bar’);

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Debug mocha using visual studio code

Add the following configuration in your launch.json { “name”: “Run mocha”, “type”: “node”, “request”: “launch”, “program”: “${workspaceRoot}/node_modules/mocha/bin/mocha”, “stopOnEntry”: false, “args”: [ “test/**/*.js”, “–inspect”, “–debug-brk”, “–no-timeouts” ], “cwd”: “${workspaceRoot}”, “runtimeExecutable”: null, “env”: { “NODE_ENV”: “testing”...

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Automate chrome apps

Chrome apps written using webview are different than iFrames because webview is a separate process. With Selenium 2.20 it is possible to automate chrome apps written using webview. driver = webdriver.Chrome(desired_capabilities={‘chromeOptions’:{‘windowTypes’:[‘webview’]}}) driver.get(‘chrome://apps’) wait_for_new_window_to_appear() driver.switch_to.window(driver.window_handles[1])...