Keploy

What is Keploy?

Keploy is an open-source tool that helps developers by automatically generating API test cases and data mocks. Its main goal is to make testing much easier and faster, aiming to help you reach 90% test coverage in just minutes. It is a way to capture how your application talks to other services and turn those conversations into ready-to-use test cases and data stubs. This really helps tackle common headaches like writing tons of manual tests, dealing with complicated dependencies, or trying to recreate tricky production issues for debugging. With Keploy, you can record network interactions, set up automated scenarios, and easily fit it into your existing development workflow, which speeds things up considerably. It’s packed with features like generating tests and stubs, finding and removing duplicate tests, and integrating smoothly into team environments. Big names like Pixis, Instaastro, Amazon, and Reliance already trust Keploy for their testing needs.

Who created Keploy?

Keploy was actually started by someone who was an executive member at Maruti Suzuki, according to a testimonial. The platform first launched on October 18, 2021. As we mentioned, it’s an open-source tool designed to generate API test cases and data mocks, really helping developers get to that 90% test coverage mark quickly. Keploy’s mission is to simplify testing, solve those common software development headaches, and make it easier for team members to work together. It’s earned recognition from industry leaders like Pixis, Instaastro, and Amazon, and it also offers a lively community and good technical support.

What is Keploy used for?

Keploy is incredibly versatile and can help with a lot of different testing tasks:

• End-to-End Testing: It makes setting up and running full end-to-end tests much simpler.
• Rapid Test Coverage: You can achieve up to 90% test coverage in just minutes, which is a huge time saver.
• Traffic to Tests: It converts real user traffic into usable test cases and data stubs.
• Simplified Testing: The whole testing process becomes much more straightforward.
• Automating Scenarios: You can automate various testing scenarios with ease.
• Capturing Interactions: It records network interactions so you can see exactly what’s happening.
• Better Collaboration: It helps teams work together more effectively on testing.
• Team Environment Features: It includes security and administrative features perfect for team settings.
• Challenging Dependencies: It can even help you test applications with complex dependencies by sharing them and seeing if Keploy can generate tests. If it can’t, there’s a $100 reward!
• Developer Empowerment: It streamlines testing, improves coverage, and helps developers build better software faster.
• Smart Testing: The motto is ‘Test smart - Build better.’
• Data Replication: You can replicate data from virtually any source.
• Reducing Manual Work: It cuts down on the need for manual test writing.
• Solving Dependency Chaos: It helps manage and simplify complex dependencies.
• Handling Scattered Environments: It works well even when test environments are spread out.
• Recording Complex Flows: It can record and replay intricate, distributed API flows as mocks and stubs.
• Finding Redundancies: It identifies tests that aren’t adding value to your coverage and removes them.
• CI/CD Integration: You can merge Keploy’s test coverage with your unit testing libraries for combined coverage gating in your CI/CD pipelines.
• Code-less Integration: Start recording test cases with zero coding required.
• API Call Conversion: It turns API calls directly into test cases with associated data mocks.
• Automated Test Generation: It simplifies testing by capturing network interactions and generating automated tests.
• Duplicate Test Removal: It automatically finds and removes duplicate tests.
• AI-Powered Coverage: It leverages artificial intelligence to help developers achieve 90% test coverage quickly.
• Workflow Integration: You can capture network interactions, automate scenarios, and seamlessly integrate Keploy into your existing workflows.
• Team Collaboration: Features like test and stub generation, deduplication, and native integration enhance team collaboration.
• Golang & Databases: It’s particularly helpful for Golang projects using Postgres and Redis, quickly identifying and fixing issues by replaying real user interactions.
• Realistic Test Data: Use it for unit testing complex systems with realistic test data.
• Automating & Capturing: It’s great for automating scenarios and capturing network interactions.
• Improving Coverage: Finding and removing duplicate tests is key to enhancing test coverage.
• CI/CD Compatibility: Works with JUnit, PyTest, Jest, and Go-Test in CI/CD for combined test coverage gating.
• Business Value: It adds significant business value, as seen with companies like Maruti Suzuki.

Who is Keploy for?

Keploy is designed for:

• Senior Software Engineers
• Staff Engineers
• Executive Members

How to use Keploy?

Using Keploy is pretty straightforward. Just follow these steps:

1. Installation: First, you’ll need to get the Keploy agent set up on your local machine. You can do this easily by running this command in your terminal: curl --silent -O -L https://keploy.io/install.sh && source install.sh

2. Recording Test Cases:

   • To start recording, you’ll launch your application with Keploy. This is how it converts your API calls into test cases and mocks/stubs.
   • As your app runs, make the API calls you want to test. Keploy will capture all these interactions.
   • The command you’ll use for this is keploy record -c CMD_TO_RUN_APP. Just replace CMD_TO_RUN_APP with the actual command you use to start your application.

3. Testing:

   • When you’re ready to test, you can actually turn off services like your Database, Redis, or Kafka. Keploy doesn’t need them to run tests.
   • To start the testing process, use the command keploy test -c CMD_TO_RUN_APP --delay 10C.

By following these steps, you can really take advantage of Keploy’s features. It helps streamline your testing, makes capturing network interactions easy, and automates test generation. Keploy is all about improving your test coverage and making your development process smoother. If you need more details or help, the official Keploy documentation and community resources are great places to look.