Pytest tutorial – how to test python code

certainly! pytest is a powerful framework for testing python code. it allows for writing simple as well as scalable test cases, and is widely used in both small and large projects. below is a comprehensive tutorial on how to get started with pytest, including installation, basic usage, and advanced features.

### getting started with pytest

#### 1. installation

to install pytest, you can use pip, which is the package installer for python:

#### 2. writing your first test

#### 3. running the tests

to run your tests, navigate to the directory containing your files and execute:

#### 4. understanding test output

when you run the tests, you'll see output indicating which tests passed and which failed. a typical output looks like this:

### advanced features

#### 5. using fixtures

fixtures are a great way to set up preconditions for your tests. they allow you to create reusable test setups.

example of a fixture:

#### 6. parametrizing tests

example:

#### 7. skipping tests

you can skip tests or mark them to run only under certain conditions.

example:

#### 8. running specific tests

you can specify a particular test file or even a specific test function to run:

or to run a specific test function:

#### 9. generating test reports

pytest can generate detailed reports in various formats. to generate an html report, you can install the pytest-html plugin:

then run your tests with the following command:

### conclusion

pytest is a versatile and powerful testing framework that can scale with your projects. this tutorial covered the basics of setti ...

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