Electron test runner

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Write Automated Tests for Electron With Spectron, Mocha, and Chai

Electron: run shell commands with arguments Ask Question. Asked 1 year ago. Active 5 months ago. Viewed 2k times. Active Oldest Votes. NullDev NullDev 2, 2 2 gold badges 16 16 silver badges 34 34 bronze badges.

Does it require node installed or just npm dependency? It's a core module.

Electron js Tutorial - 6 - IPC

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Question feed. Stack Overflow works best with JavaScript enabled.The atom test-runner package provides a Test Runner interface for atom. It uses a service to load test runners from other packages. The package use vuejs as libary for rendering components and vuex for state management.

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This descision has been made since atom will drop support for the space-pen library some time. The code is then transpilied with webpack to a single file CommonJS2 module. See the install section.

The test runner looks for a. This is a simple yaml file with the test runner configuration for this project. A example file looks like this:. This example has two test configurations for the not yet existing pytest runner.

electron test runner

The runner key is used to find the corrisponding provider and the name is shown in the list. Everything else is passed into the runner as options. You can install the test runner through the atom package manager.

Or clone this repository and run yarn or npm install. In order debug the changes you'll just have to run webpack in scanner mode and reload atom once your changes are saved.

For example: webpack --config webpack. Alternatively you can use the runner in the test-runner-vunit package as an example. You can report bugs or feature requests at the project page. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

electron test runner

Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away. Repo Bugs Versions License Flag as spam or malicious. Design The package use vuejs as libary for rendering components and vuex for state management. Configuration file The test runner looks for a.

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I think this package is bad news.In the last tutorial, we learnt about how we can save collections and send POST requests. The requests that we used in the previous tutorial had just a single request.

In the real world, when we work we get huge amount of different requests and responses.

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For example, if we work as a centralized library for many other libraries at different locations, we need to keep track of every book everywhere. We need to have a list of every book in our system then how do we know if we have a particular book or not and at which library it is available? When we work in collections, we run many requests together, these can be as large as around requests running simultaneously.

How do we manage to see that every request run successfully? Or which one did not give response? These all things we will learn in this tutorial. In this tutorial we will focus on two most important things in postman. Here, we test our request for whatever we need to know about the request.

For example, if I need to know whether my request gave a status code of or not. This can be managed in Postman. Also, there is no bound on running the test on one request.

One request can be passed through multiple tests and all of them can be seen simultaneously. There is one thing to remember though. A test does not run always. A test runs only when the request was successful. If there has been no response for the fact that your request was not correct, we cannot run tests through it. Also, you need to know that tests are written in Javascript in Postman.

Both the methods are used in Postman today and both the methods uses javascript as the base language. JavaScript method is the older method whereas functional method is the new method. But since you need to know both, we will introduce you to the functional method. Click on send and look at the test results tab in the response box. The result says that our test passed. This means that we were checking if we get as a status code and in this request, we got it.

Save the request in MyFirstCollection inside Myfolder. As we learnt earlier, we can use multiple tests on a single request and all those tests are displayed in the response box simultaneously. We will perform multiple tests on the same request that we used above.

Write the following code inside the test editor.New languages and frameworks are always pushing the envelope when it comes to developing software applications. While older technologies may have well-established test automation tools, newer languages and frameworks may lack some of these features, making it challenging for developers to get up-to-speed with Agile best practices. Electron is a great example of a platform that can make testing difficult by merging web and desktop paradigms.

Fortunately, new testing frameworks are making it easier than ever to handle these new scenarios, including tools like TestComplete. Let's take a look at how Electron apps are conventionally tested, as well as how to test them with TestComplete. Using Chromium and Node. The renderer process takes a web page and renders it into a window with a native feel and a very high level of compatibility with standards.

In addition, the main process can access the native graphical user interface through a series of Electron modules, which makes it possible to interact with the underlying operating system.

electron test runner

The only downside is that these applications involve more overhead than the purely native applications, which means that they may have a bit slower performance and some other limitations. These companies and many other developers are drawn to the framework for its ease of use, ability to deploy across platforms and the familiar use of JavaScript, HTML and CSS to create user interfaces. The testing platform sets up and tears down your Electron application and allows it to be test-driven remotely with full support for Electron APIs, as well as compatibility with testing libraries like Mocha, Jasmine, AVA and Chai.

Spectron tests can be written in the same way as conventional JavaScript integration tests. For example, you can easily chain together asynchronous operations and assertions using standard Promises and use common testing libraries like Mocha. Using command APIyou can even add additional helpers specific to your app to minimize code duplication.

Continuous integration is a bit more challenging since it requires a display driver, which must be installed and configured to launch the application. For instance, Jenkins CI users must install the Xvfb plugin to add a display driver in order for the tests to run successfully. However, CircleCI and some others already have display drivers setup by default.

A typical Electron testing workflow with Spectron might involve developers writing unit tests in a conventional TDD fashion and then writing integration tests to verify that the acceptance criteria are met before approving a feature to deploy. Spectron, Mocha, Jasmine and other code-based test frameworks are great for developers, but they can quickly become complex.

Test engineers that aren't familiar with specific languages e. JavaScript or frameworks e. Mocha might struggle to get up-to-speed, and these learning curves can cut into test and development time. SmartBear's TestComplete is an automated UI testing tool that makes it quick and easy to create, maintain and execute functional tests across desktop, web and mobile applications.

With our AI-powered object recognition engine, TestComplete automatically finds dynamic UI elements quickly, easily and accurately — eliminating the need for code-based tests. You can also easily connect TestComplete to your continuous integration ecosystem, including tools like Jenkins, Git and Jira with built-in plugins that make the entire process a breeze. TestComplete even makes it easy to incorporate behavior-driven development BDD into your workflow.

Test cases that are designed and written in Gherkin syntax can be easily converted into automated UI functional tests and maintained with object recognition and record-and-replay technology without the need for additional plugins or integrations.

TestComplete makes it easy to create automated tests for Electron applications since it automatically recognizes web pages that implement the application interface and individual web elements on those pages.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again.

If nothing happens, download the GitHub extension for Visual Studio and try again. A handful of prerequisites, such as git, python, and npm, are required for building Electron itself; these can be found in Platform Prerequisites. From here, you'll need a command-line prompt. On Mac and Linux, this will be a terminal with a shell, e. You can also use these on Windows if you install them, or use built-in tools like Windows' Command Prompt.

Please note that build-tools due to nested dependencies might not work properly in powershell, please use cmd on Windows for optimum results. That command's going to run for awhile. While you're waiting, grab a cup of hot caffeine and read about what your computer is doing:.

Electron's build-tools command is named e. Like nvm and git, you'll invoke e with commands and subcommands. Many choices go into an Electron build:. You can have multiple build configurations and manage them in a way similar to nvm:.

Electron is built on top of Chromium with Electron patches and Node with more Electron patches. A source tree needs to have all of the above and for their versions to be in sync with each other. New build configs are created with e init. It has several command-line options to specify the build configuration, e. See e init --help for in-depth details. This is the name's only purpose, so choose whatever you find easiest to work with — whether it's electronx--testingor chocolate-onion-popsicle.

Each build also needs a root directory.

Running Tests

All the source code and built files will be stored somewhere beneath it. If you want to make multiple build types of the same branch, you can reuse an existing root to share it between build configs.When Cypress is initially run from the Test Runner, you can choose to run Cypress in a select number of browsers including:.

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Cypress automatically detects available browsers on your OS. You can switch the browser in the Test Runner by using the drop down in the top right corner:.

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The Chrome browser is evergreen - meaning it will automatically update itself, sometimes causing a breaking change in your automated tests. We host chromium. The Electron browser is a version of Chromium that comes with Electron.

The Electron browser has the advantage of coming baked into Cypress and does not need to be installed separately. By default, when running cypress run from the CLI, we will launch Electron headlessly. Because Electron is the default browser - it is typically run in CI.

If you are seeing failures in CI, to easily debug them you may want to run locally with the --headed option. To use this command in CI, you need to install the browser you want - or use one of our docker images.

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By default, we will launch Chrome in headed mode. To run Chrome headlessly, you can pass the --headless argument to cypress run. To use this command in CI, you need to install these other browsers - or use one of our docker images. By default, we will launch Firefox in headed mode.

To run Firefox headlessly, you can pass the --headless argument to cypress run. For example, your web application might only be designed to work in a Chrome browser, and not inside the Electron browser. In the plugins file, you can filter the list of browsers passed inside the config object and return the list of browsers you want available for selection during cypress open.

When you open the Test Runner in a project that uses the above modifications to your plugins file, only the Chrome browsers found on the system will display in the list of available browsers. If you return an empty list of browsers or browsers: nullthe default list will be restored automatically. If you have installed a Chromium-based browser like BraveVivaldi you can add them to the list of returned browsers. Here is a plugins file that inserts a local Brave browser into the returned list.

Once selected, the Brave browser is detected using the same approach as any other browser of the chromium family.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

If nothing happens, download GitHub Desktop and try again.

Launching Browsers

If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. Mocha testing in Electron. This project has two main value propositions:. Note if you're using Mac OS X, the path would be to the actual executable and not the app directory e. This runs all tests in your test directory in the main process.

This runs all tests in your test directory in a renderer process. This means that you have access to the entirety of the DOM, web storage, etc. This is because it's actually running in a Chromium process. On Linux, your. You can pass --ignore-gpu-blacklist to Electron to bypass it:. Use the --inspect or --inspect-brk options to enable Electron's debugger.

When using --renderer this will show the test-runner window dev-tools, including a debugger so you do not need to attach a node-inspector.

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Note that the window will close automatically when the tests have finished, therefore this option should be used in combination with debugger statements anywhere in your tests or code. Alternatively, you can use the --interactive option which will keep the window open after your tests have run you can reload the window to run the tests againto give you the opportunity to set breakpoints using the dev-tools inspector.

To debug the main process, you will need to start a node-inspector separately. You can use electron-mocha to collect code coverage data in both Electron's main and renderer processes. To do this, you will need to instrument your code, run the tests on the instrumented code, and save the coverage stats after all tests have finished. For examples, see this thread.

Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. Run Mocha tests in Electron. JavaScript Branch: master. Find file. Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit. Latest commit 4b6f4e6 Mar 14, This project has two main value propositions: You can now easily test any JavaScript app in a real browser Chromium without hassling with PhantomJS or Webdriver.

You can now easily test your Electron apps! You can either run: npm i -g electron and then electron will be added to your path.

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