[](https://pypi.org/project/pytest-parametrized/)
[](https://pepy.tech/project/pytest-parametrized)
[](https://github.com/coady/pytest-parametrized/actions/workflows/build.yml)
[](https://codecov.io/gh/coady/pytest-parametrized/)
[](https://github.com/coady/pytest-parametrized/actions/workflows/github-code-scanning/codeql)
[](https://github.com/astral-sh/ruff)
[Pytest](https://pytest.org/) decorator for parametrizing tests with default iterables, providing alternative syntax for [pytest.mark.parametrize](https://docs.pytest.org/en/latest/how-to/parametrize.html).
# Usage
Decorate tests with iterable default values. Other fixtures can still be used as normal.
## functions
```python
from parametrized import parametrized
@parametrized
def test(..., name=values):
"""test single parametrized arg with each value"""
@parametrized.zip
def test(name=values, name1=values1, ...):
"""test parametrized args with zipped values"""
@parametrized.product
def test(name=values, name1=values1, ...):
"""test parametrized args with cartesian product of values"""
```
Zip before and after example:
```python
@pytest.mark.parametrize("test_input,expected", [
("3+5", 8),
("2+4", 6),
("6*9", 42),
])
def test_eval(test_input, expected):
assert eval(test_input) == expected
@parametrized.zip
def test_eval(test_input=["3+5", "2+4", "6*9"], expected=[8, 6, 42]):
assert eval(test_input) == expected
```
Product before and after example:
```python
@pytest.mark.parametrize("x", [0, 1])
@pytest.mark.parametrize("y", [2, 3])
def test_foo(x, y):
pass
@parametrized.product
def test_foo(x=[0, 1], y=[2, 3]):
pass
```
`pytest.param` is supported for single values or `.product`.
## fixtures
[Parametrized fixtures](https://docs.pytest.org/en/latest/how-to/fixtures.html#fixture-parametrize) which simply return their param.
```python
fixture_name = parametrized.fixture(*params, **kwargs)
```
Before and after example:
```python
@pytest.fixture(params=[0, 1], ids=["spam", "ham"])
def a(request):
return request.param
a = parametrized.fixture(0, 1, ids=["spam", "ham"])
```
# Installation
```console
% pip install pytest-parametrized
```
# Tests
100% branch coverage.
```console
% pytest [--cov]
```
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"description": "[](https://pypi.org/project/pytest-parametrized/)\n\n[](https://pepy.tech/project/pytest-parametrized)\n\n[](https://github.com/coady/pytest-parametrized/actions/workflows/build.yml)\n[](https://codecov.io/gh/coady/pytest-parametrized/)\n[](https://github.com/coady/pytest-parametrized/actions/workflows/github-code-scanning/codeql)\n[](https://github.com/astral-sh/ruff)\n\n[Pytest](https://pytest.org/) decorator for parametrizing tests with default iterables, providing alternative syntax for [pytest.mark.parametrize](https://docs.pytest.org/en/latest/how-to/parametrize.html).\n\n# Usage\nDecorate tests with iterable default values. Other fixtures can still be used as normal.\n\n## functions\n```python\nfrom parametrized import parametrized\n\n@parametrized\ndef test(..., name=values):\n \"\"\"test single parametrized arg with each value\"\"\"\n\n@parametrized.zip\ndef test(name=values, name1=values1, ...):\n \"\"\"test parametrized args with zipped values\"\"\"\n\n@parametrized.product\ndef test(name=values, name1=values1, ...):\n \"\"\"test parametrized args with cartesian product of values\"\"\"\n```\n\nZip before and after example:\n```python\n@pytest.mark.parametrize(\"test_input,expected\", [\n (\"3+5\", 8),\n (\"2+4\", 6),\n (\"6*9\", 42),\n])\ndef test_eval(test_input, expected):\n assert eval(test_input) == expected\n\n@parametrized.zip\ndef test_eval(test_input=[\"3+5\", \"2+4\", \"6*9\"], expected=[8, 6, 42]):\n assert eval(test_input) == expected\n```\n\nProduct before and after example:\n```python\n@pytest.mark.parametrize(\"x\", [0, 1])\n@pytest.mark.parametrize(\"y\", [2, 3])\ndef test_foo(x, y):\n pass\n\n@parametrized.product\ndef test_foo(x=[0, 1], y=[2, 3]):\n pass\n```\n\n`pytest.param` is supported for single values or `.product`.\n\n## fixtures\n[Parametrized fixtures](https://docs.pytest.org/en/latest/how-to/fixtures.html#fixture-parametrize) which simply return their param.\n\n```python\nfixture_name = parametrized.fixture(*params, **kwargs)\n```\n\nBefore and after example:\n```python\n@pytest.fixture(params=[0, 1], ids=[\"spam\", \"ham\"])\ndef a(request):\n return request.param\n\na = parametrized.fixture(0, 1, ids=[\"spam\", \"ham\"])\n```\n\n# Installation\n```console\n% pip install pytest-parametrized\n```\n\n# Tests\n100% branch coverage.\n\n```console\n% pytest [--cov]\n```\n",
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