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Azure DevOps

1.9K
2.1K
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Jest

4.2K
2.5K
+ 1
167
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Azure DevOps vs Jest: What are the differences?

Azure DevOps: Services for teams to share code, track work, and ship software. Azure DevOps provides unlimited private Git hosting, cloud build for continuous integration, agile planning, and release management for continuous delivery to the cloud and on-premises. Includes broad IDE support; Jest: Painless JavaScript Unit Testing. Jest provides you with multiple layers on top of Jasmine.

Azure DevOps and Jest are primarily classified as "Project Management" and "Javascript Testing Framework" tools respectively.

Some of the features offered by Azure DevOps are:

  • Agile Tools: kanban boards, backlogs, scrum boards
  • Reporting: dashboards, widgets, Power BI
  • Git: free private repositories, pull requests

On the other hand, Jest provides the following key features:

  • Familiar Approach: Built on top of the Jasmine test framework, using familiar expect(value).toBe(other) assertions
  • Mock by Default: Automatically mocks CommonJS modules returned by require(), making most existing code testable
  • Short Feedback Loop: DOM APIs are mocked and tests run in parallel via a small node.js command line utility

"Complete and powerful" is the primary reason why developers consider Azure DevOps over the competitors, whereas "Open source" was stated as the key factor in picking Jest.

Jest is an open source tool with 26.4K GitHub stars and 3.57K GitHub forks. Here's a link to Jest's open source repository on GitHub.

Airbnb, Facebook, and Instagram are some of the popular companies that use Jest, whereas Azure DevOps is used by Schlumberger, Poq, and simplement-e. Jest has a broader approval, being mentioned in 273 company stacks & 161 developers stacks; compared to Azure DevOps, which is listed in 79 company stacks and 68 developer stacks.

Decisions about Azure DevOps and Jest
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Jest
Cypress

As we all know testing is an important part of any application. To assist with our testing we are going to use both Cypress and Jest. We feel these tools complement each other and will help us get good coverage of our code. We will use Cypress for our end to end testing as we've found it quite user friendly. Jest will be used for our unit tests because we've seen how many larger companies use it with great success.

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Postman will be used to do integration testing with the backend API we create. It offers a clean interface to create many requests, and you can even organize these requests into collections. It helps to test the backend API first to make sure it's working before using it in the front-end. Jest can also be used for testing and is already embedded into React. Not only does it offer unit testing support in javascript, it can also do snapshot testing for the front-end to make sure components are rendering correctly. Enzyme is complementary to Jest and offers more functions such as shallow rendering. UnitTest will be used for Python testing as it is simple, has a lot of functionality and already built in with python. Sentry will be used for keeping track of errors as it is also easily integratable with Heroku because they offer it as an add-on. LogDNA will be used for tracking logs which are not errors and is also a Heroku add-on. Its good to have a separate service to record logs, monitor, track and even fix errors in real-time so our application can run more smoothly.

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Pros of Azure DevOps
Pros of Jest
  • 49
    Complete and powerful
  • 29
    Huge extension ecosystem
  • 26
    Azure integration
  • 25
    One Stop Shop For Build server, Project Mgt, CDCI
  • 25
    Flexible and powerful
  • 15
    Everything I need. Simple and intuitive UI
  • 13
    Support Open Source
  • 8
    Integrations
  • 7
    GitHub Integration
  • 6
    One 4 all
  • 6
    Project Mgmt Features
  • 5
    Crap
  • 5
    Runs in the cloud
  • 5
    Cost free for Stakeholders
  • 3
    Agent On-Premise(Linux - Windows)
  • 2
    Aws integration
  • 2
    Jenkins Integration
  • 1
    GCP Integration
  • 35
    Open source
  • 31
    Mock by default makes testing much simpler
  • 22
    Testing React Native Apps
  • 19
    Parallel test running
  • 15
    Fast
  • 13
    Bundled with JSDOM to enable DOM testing
  • 7
    Out of the box code coverage
  • 7
    Mock by default screws up your classes, breaking tests
  • 6
    One stop shop for unit testing
  • 6
    Promise support
  • 3
    Great documentation
  • 1
    Built in watch option with interactive filtering menu
  • 1
    Preset support
  • 1
    Assert Library Included
  • 0
    Can be used for BDD

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Cons of Azure DevOps
Cons of Jest
  • 6
    Still dependant on C# for agents
  • 4
    Capacity across cross functional teams not visibile
  • 4
    Half Baked
  • 3
    Not a requirements management tool
  • 3
    Poor Jenkins integration
  • 3
    Many in devops disregard MS altogether
  • 3
    Jack of all trades, master of none
  • 3
    Documentation
  • 3
    Ambiguous configuration
  • 2
    Multiple error messages for same error
  • 2
    Difficult to run single test/describe/file
  • 2
    Ambiguous
  • 2
    Many bugs still not fixed months/years after reporting
  • 2
    Difficult
  • 1
    Bugged
  • 1
    Reporter is too general
  • 1
    BeforeAll timing out makes all passing tests fail
  • 1
    Unstable
  • 1
    Bad docs
  • 1
    Still does't support .mjs files natively
  • 1
    Can't fail beforeAll to abort tests
  • 0
    Interaction with watch mode on terminal

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What is Azure DevOps?

Azure DevOps provides unlimited private Git hosting, cloud build for continuous integration, agile planning, and release management for continuous delivery to the cloud and on-premises. Includes broad IDE support.

What is Jest?

Jest provides you with multiple layers on top of Jasmine.

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What companies use Azure DevOps?
What companies use Jest?
See which teams inside your own company are using Azure DevOps or Jest.
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What tools integrate with Jest?

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What are some alternatives to Azure DevOps and Jest?
Jenkins
In a nutshell Jenkins CI is the leading open-source continuous integration server. Built with Java, it provides over 300 plugins to support building and testing virtually any project.
GitHub
GitHub is the best place to share code with friends, co-workers, classmates, and complete strangers. Over three million people use GitHub to build amazing things together.
AWS CodePipeline
CodePipeline builds, tests, and deploys your code every time there is a code change, based on the release process models you define.
Jira
Jira's secret sauce is the way it simplifies the complexities of software development into manageable units of work. Jira comes out-of-the-box with everything agile teams need to ship value to customers faster.
Visual Studio
Visual Studio is a suite of component-based software development tools and other technologies for building powerful, high-performance applications.
See all alternatives