run pytest from python script

Published: 21 January 2024
on channel: CodeTwist

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Title: Running Pytest from a Python Script: A Step-by-Step Tutorial
Introduction:
Pytest is a popular testing framework for Python that allows developers to write simple unit tests as well as complex functional tests. While Pytest can be executed from the command line, you may find scenarios where you want to run Pytest from within a Python script. In this tutorial, we'll walk through the process of running Pytest programmatically using a Python script.
Step 1: Install Pytest
Before we begin, make sure you have Pytest installed. If not, you can install it using the following command:
Step 2: Create a Basic Pytest Test
Let's create a simple Pytest test to demonstrate running tests from a Python script. Create a file named test_example.py with the following content:
Step 3: Create the Python Script
Now, create a Python script (e.g., run_tests.py) that will run the Pytest tests programmatically. Use the following code:
Step 4: Run the Python Script
Open a terminal and run the Python script:
You should see Pytest executing the tests and providing detailed output. Adjust the pytest_args list in the script according to your specific requirements, such as specifying directories or additional options.
Conclusion:
In this tutorial, we covered the process of running Pytest from a Python script. This approach is useful when you want to integrate testing into a larger automation framework or execute tests programmatically. Customize the script to suit your project's needs, and consider incorporating it into your continuous integration (CI) pipeline for automated testing.
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