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Jürgen Edelbluth 2022-08-14 20:01:28 +00:00
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# Test Reports
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3.10.6
3.9.13
3.8.13
3.11-dev

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Copyright Juergen Edelbluth and other contributors, https://juergen.rocks/
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# pytest-csv-params
A pytest plugin to parametrize tests by CSV files.
## Requirements
- Python 3.8, 3.9 or 3.10
- pytest >= 7.1
There's no operating system dependend code in this plugin, so it should run anywhere where pytest runs.
## Installation
Simply install it with pip...
```bash
pip install pytest-csv-plugin
```
... or poetry ...
```bash
poetry add --dev pytest-csv-plugin
```
## Usage
Simply decorate your test method with `@csv_params` and the following parameters:
| Parameter | Type | Description | Example |
|--------------|--------------------------|-----------------------------------------------------------|-------------------------------------|
| `data_file` | `str` | The CSV file to use, relative or absolute path | `/var/testdata/test1.csv` |
| `base_dir` | `str` (optional) | Directory to look up relative CSV files (see `data_file`) | `join(dirname(__file__), "assets")` |
| `id_col` | `str` (optional) | Column name of the CSV that contains test case IDs | `ID#` |
| `dialect` | `csv.Dialect` (optional) | CSV Dialect definition (see [1]) | `csv.excel_tab` |
| `data_casts` | `dict` (optional) | Cast Methods for the CSV Data (see "Data Casting" below) | `{ "a": int, "b": float }` |
[1] [Python CSV Documentation](https://docs.python.org/3/library/csv.html#dialects-and-formatting-parameters)
### Data Casting
When data is read from CSV, they are always parsed as `str`. If you need them in other formats, you can set a method that should be called with the value.
These methods can also be lambdas, and are also good for further transformations.
#### Data Casting Example
```python
from pytest_csv_params.decorator import csv_params
def normalize(x: str) -> str:
return x.strip().upper()
@csv_params(
data_file="/test/data.csv",
data_casts={
"col_x": normalize,
"col_y": float,
},
)
def test_something(col_x, col_y):
# Test something...
...
```
### CSV Format
The default CSV format is:
- `\r\n` as line ending
- All non-numeric fields are surrounded by "
- If you need a " in the value, use "" (double quote)
- Fields are separated by comma (",")
#### Example CSV
```text
"ID#", "part_a", "part_b", "expected_result"
"first", 1, 2, 3
"second", 3, 4, 7
"third", 10, 11, 21
```
### Usage Example
This example uses the CSV example from above.
```python
from pytest_csv_params.decorator import csv_params
@csv_params(
data_file="/data/test-lib/cases/addition.csv",
id_col="#ID",
data_casts={
"part_a": int,
"part_b": int,
"expected_result": int,
},
)
def test_addition(part_a, part_b, expected_result):
assert part_a + part_b == expected_result
```
## Contributing
### Build and test
You need [Poetry](https://python-poetry.org/) in order to build this project.
Tests are implemented with `pytest`, and `tox` is used to orchestrate them for the supported python versions.
- Checkout this repo
- Run `poetry install`
- Run `poetry run tox` (for all supported python versions) or `poetry run pytest` (for your current version)
### Bugs etc.
Please send your issues to `csv-params_issues` (at) `jued.de`. Please include the following:
- Plugin Version used
- Pytest version
- Python version with operating system
It would be great if you could include example code that clarifies your issue.
### Pull Requests
Pull requests are always welcome. Since this Gitea instance is not open to public, just send an e-mail to discuss options.
## License
Code is under MIT license. See [LICENCE.txt](./LICENSE.txt) for details.

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_ptcsvp/__init__.py Normal file
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_ptcsvp/configure.py Normal file
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"""
Pytest Plugin Configuration
"""
from _ptcsvp.plugin import Plugin
def pytest_configure(config, plugin_name="csv_params"):
"""
Register our Plugin
"""
config.pluginmanager.register(Plugin(config), f"{plugin_name}_plugin")
def pytest_unconfigure(config, plugin_name="csv_params"):
"""
Remove our Plugin
"""
config.pluginmanager.unregister(f"{plugin_name}_plugin")

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"""
Parametrize a test function by CSV file
"""
import csv
from pathlib import Path
from typing import List, Optional, TypedDict
import pytest
from pytest_csv_params.dialect import CsvParamsDefaultDialect
from pytest_csv_params.exception import (
CsvParamsDataFileInaccessible,
CsvParamsDataFileInvalid,
CsvParamsDataFileNotFound,
)
from pytest_csv_params.types import BaseDir, CsvDialect, DataCastDict, DataFile, IdColName
class TestCaseParameters(TypedDict):
"""
Type for Test Case
"""
test_id: Optional[str]
data: List
def read_csv(base_dir: BaseDir, data_file: DataFile, dialect: CsvDialect):
"""
Get Data from CSV
"""
if data_file is None:
raise CsvParamsDataFileInvalid("Data file is None") from None
csv_file = Path(data_file)
if not csv_file.is_absolute():
if base_dir is not None:
csv_file = Path(base_dir) / csv_file
if not csv_file.exists() or not csv_file.is_file():
raise CsvParamsDataFileNotFound(f"Cannot find file: {str(csv_file)}") from None
csv_lines = []
try:
with open(csv_file, newline="", encoding="utf-8") as csv_file_handle:
csv_reader = csv.reader(csv_file_handle, dialect=dialect)
for row in csv_reader:
csv_lines.append(row)
except IOError as err: # pragma: no cover
raise CsvParamsDataFileInaccessible(f"Unable to read file: {str(csv_file)}") from err
except csv.Error as err:
raise CsvParamsDataFileInvalid("Invalid data") from err
return csv_lines
def add_parametrization(
base_dir: BaseDir = None,
data_file: DataFile = None,
id_col: IdColName = None,
data_casts: DataCastDict = None,
dialect: CsvDialect = CsvParamsDefaultDialect,
):
"""
Get data from the files and add things to the tests
"""
csv_lines = read_csv(base_dir, data_file, dialect)
if len(csv_lines) < 2:
raise CsvParamsDataFileInvalid("File does not contain a single data row") from None
id_index = -1
headers = csv_lines.pop(0)
if id_col is not None:
try:
id_index = headers.index(id_col)
del headers[id_index]
except ValueError as err:
raise CsvParamsDataFileInvalid(f"Cannot find ID column '{id_col}'") from err
if len(headers) == 0:
raise CsvParamsDataFileInvalid("File seems only to have IDs") from None
data: List[TestCaseParameters] = []
for data_line in csv_lines:
line = list(map(str, data_line))
if len(line) == 0:
continue
test_id = None
if id_index >= 0:
test_id = line.pop(id_index)
if len(headers) != len(line):
raise CsvParamsDataFileInvalid("Header and Data length mismatch") from None
if data_casts is not None:
for index, header in enumerate(headers):
caster = data_casts.get(header, None)
if caster is not None:
line[index] = caster(str(line[index]))
data.append(
{
"test_id": test_id,
"data": line,
}
)
id_data = None
if id_col is not None:
id_data = [tc_data["test_id"] for tc_data in data]
return pytest.mark.parametrize(headers, [tc_data["data"] for tc_data in data], ids=id_data)

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"""
The main Plugin implementation
"""
class Plugin: # pylint: disable=too-few-public-methods
"""
Plugin Class
"""
def __init__(self, config):
"""
Hold the pytest config
"""
self.config = config

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_ptcsvp/version.py Normal file
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"""
Check Version Information
"""
import sys
from attr.exceptions import PythonTooOldError
from packaging.version import parse
def check_python_version(min_version=(3, 8)):
"""
Check if the current version is at least 3.8
"""
if sys.version_info < min_version:
raise PythonTooOldError(f"At least Python {'.'.join(map(str, min_version))} required")
def check_pytest_version(min_version=(7, 1)):
"""
Check if the current version is at least 7.1
"""
from pytest import __version__ as pytest_version # pylint: disable=import-outside-toplevel
pytest_min_version = ".".join(map(str, min_version))
parsed_min_version = parse(pytest_min_version)
parsed_actual_version = parse(pytest_version)
if parsed_actual_version < parsed_min_version:
raise RuntimeError(f"At least Pytest {pytest_min_version} required")

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docs = ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"]
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tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "mypy (>=0.900,!=0.940)", "pytest-mypy-plugins", "cloudpickle"]
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toml = ["tomli"]
[[package]]
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[[package]]
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test = ["appdirs (==1.4.4)", "pytest-cov (>=2.7)", "pytest-mock (>=3.6)", "pytest (>=6)"]
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spelling = ["pyenchant (>=3.2,<4.0)"]
testutils = ["gitpython (>3)"]
[[package]]
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diagrams = ["railroad-diagrams", "jinja2"]
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bandit = ">=1.4.0"
pytest = ">=3.5.0"
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toml = "*"
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coverage = {version = ">=5.2.1", extras = ["toml"]}
pytest = ">=4.6"
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testing = ["fields", "hunter", "process-tests", "six", "pytest-xdist", "virtualenv"]
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version = "3.0.0"
description = "py.test plugin to check import ordering using isort"
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python-versions = ">=3.6,<4"
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isort = ">=4.0"
pytest = ">=5.0"
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description = "Thin-wrapper around the mock package for easier use with pytest"
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optional = false
python-versions = ">=3.7"
[package.dependencies]
pytest = ">=5.0"
[package.extras]
dev = ["pytest-asyncio", "tox", "pre-commit"]
[[package]]
name = "pytest-pylint"
version = "0.18.0"
description = "pytest plugin to check source code with pylint"
category = "dev"
optional = false
python-versions = ">=3.5"
[package.dependencies]
pylint = ">=2.3.0"
pytest = ">=5.4"
toml = ">=0.7.1"
[[package]]
name = "pyyaml"
version = "6.0"
description = "YAML parser and emitter for Python"
category = "dev"
optional = false
python-versions = ">=3.6"
[[package]]
name = "rich"
version = "12.5.1"
description = "Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal"
category = "dev"
optional = false
python-versions = ">=3.6.3,<4.0.0"
[package.dependencies]
commonmark = ">=0.9.0,<0.10.0"
pygments = ">=2.6.0,<3.0.0"
typing-extensions = {version = ">=4.0.0,<5.0", markers = "python_version < \"3.9\""}
[package.extras]
jupyter = ["ipywidgets (>=7.5.1,<8.0.0)"]
[[package]]
name = "six"
version = "1.16.0"
description = "Python 2 and 3 compatibility utilities"
category = "dev"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
[[package]]
name = "smmap"
version = "5.0.0"
description = "A pure Python implementation of a sliding window memory map manager"
category = "dev"
optional = false
python-versions = ">=3.6"
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tomlkit = []
tox = []
tox-poetry = []
typing-extensions = []
virtualenv = []
wrapt = []

132
pyproject.toml Normal file
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@ -0,0 +1,132 @@
[tool.poetry]
name = "pytest-csv-params"
version = "0.0.1"
description = "Pytest plugin for Test Case Parametrization with CSV files"
authors = ["Juergen Edelbluth <csv_params@jued.de>"]
license = "MIT"
repository = "https://git.codebau.dev/pytest-plugins/pytest-csv-params"
homepage = "https://git.codebau.dev/pytest-plugins/pytest-csv-params"
keywords = [
"py.test", "pytest", "csv", "params", "parametrize", "pytest-plugin",
]
classifiers = [
"Development Status :: 1 - Planning",
"Environment :: Plugins",
"Framework :: Pytest",
"Intended Audience :: Developers",
"License :: OSI Approved :: MIT License",
"Programming Language :: Python :: 3.8",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
"Topic :: Software Development :: Testing",
"Topic :: Software Development :: Quality Assurance",
"Operating System :: POSIX",
"Operating System :: Microsoft :: Windows",
"Operating System :: MacOS :: MacOS X",
"Topic :: Utilities",
]
packages = [
{ include = "_ptcsvp" },
{ include = "pytest_csv_params" },
]
[tool.poetry.urls]
"Issue Tracker" = "https://git.codebau.dev/pytest-plugins/pytest-csv-params/issues"
"Wiki" = "https://git.codebau.dev/pytest-plugins/pytest-csv-params/wiki"
"Releases" = "https://git.codebau.dev/pytest-plugins/pytest-csv-params/releases"
[tool.poetry.plugins."pytest11"]
"pytest-csv-params" = "pytest_csv_params.plugin"
[tool.pytest.ini_options]
addopts = "--black --isort --pylint --pylint-rcfile=.pylintrc --cov --cov-report=term-missing --junitxml=test-reports/pytest_csv_params.xml"
filterwarnings=[
"ignore:.*BlackItem.*:_pytest.warning_types.PytestDeprecationWarning",
"ignore:.*BlackItem.*:_pytest.warning_types.PytestRemovedIn8Warning",
"ignore:.*PyLintFile.*:_pytest.warning_types.PytestRemovedIn8Warning",
"ignore:.*BlackItem.*:_pytest.warning_types.PytestWarning",
"ignore:Using the __implements__ inheritance pattern for BaseReporter is no longer supported. Child classes should only inherit BaseReporter",
"ignore:.*zipimport.*",
"ignore:Creating a LegacyVersion has been deprecated and will be removed in the next major release",
]
junit_family = "xunit2"
junit_logging = "all"
junit_log_passing_tests = true
junit_duration_report = "call"
junit_suite_name = "pytest-csv-params"
bandit_targets = [
"pytest_csv_params",
"_ptcsvp",
]
bandit_recurse = "True"
[tool.coverage]
[tool.coverage.run]
omit = [
"test/*",
"tests/*",
"*/venv/*",
"*/.venv/*",
"*/.tox/*",
"*/pyvenv/*",
"*/JetBrains/*",
"*/virtualenv/*",
"/etc/python*",
"*pip-standalone-pip*",
"*pip-build-env*",
"*/test_plugin_test_multiplication.py",
"*/test_plugin_test_error.py",
]
relative_files = true
[tool.coverage.report]
exclude_lines = [
"pragma: no cover",
"def __repr__",
"if self\\.debug",
"raise AssertionError",
"raise NotImplementedError",
"if __name__ == .__main__.:",
]
[tool.tox]
legacy_tox_ini = """
[tox]
minversion = 3.25.0
envlist = py38,py39,py310
[testenv]
commands =
pytest
"""
[tool.black]
line-length = 120
target-version = ['py38', 'py39', 'py310']
include = '\.pyi?$'
[tool.isort]
line_length = 120
include_trailing_comma = "True"
multi_line_output = 3
[tool.poetry.dependencies]
python = "^3.8"
pytest = "^7.1.2"
[tool.poetry.dev-dependencies]
tox = "^3.25.1"
tox-poetry = "^0.4.1"
pytest-black = "^0.3.12"
pytest-isort = "^3.0.0"
pytest-cov = "^3.0.0"
pytest-pylint = "^0.18.0"
pytest-mock = "^3.8.2"
pytest-clarity = "^1.0.1"
pytest-bandit = "^0.6.1"
[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"

0
pytest_csv_params/__init__.py Normal file
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6
pytest_csv_params/decorator.py Normal file
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@ -0,0 +1,6 @@
"""
Add CSV Data to test
"""
from _ptcsvp.parametrize import add_parametrization
csv_params = add_parametrization

18
pytest_csv_params/dialect.py Normal file
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@ -0,0 +1,18 @@
"""
CSV Dialects
"""
import csv
class CsvParamsDefaultDialect(csv.Dialect): # pylint: disable=too-few-public-methods
"""
Basic CSV Dialect for most Tests
"""
delimiter = ","
doublequote = True
lineterminator = "\r\n"
quotechar = '"'
quoting = csv.QUOTE_ALL
strict = True
skipinitialspace = True

21
pytest_csv_params/exception.py Normal file
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@ -0,0 +1,21 @@
"""
Exceptions
"""
class CsvParamsDataFileNotFound(FileNotFoundError):
"""
File Not Found
"""
class CsvParamsDataFileInaccessible(IOError):
"""
Cannot Access the File
"""
class CsvParamsDataFileInvalid(ValueError):
"""
CSV Data is somehow invalid
"""

15
pytest_csv_params/plugin.py Normal file
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@ -0,0 +1,15 @@
"""
Pytest Plugin Entrypoint
"""
from _ptcsvp.configure import pytest_configure as _pytest_configure
from _ptcsvp.configure import pytest_unconfigure as _pytest_unconfigure
from _ptcsvp.version import check_pytest_version, check_python_version
# Fist at all, check if the python & pytest version matches
check_python_version()
check_pytest_version()
# Basic config
pytest_configure = _pytest_configure
pytest_unconfigure = _pytest_unconfigure

17
pytest_csv_params/types.py Normal file
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@ -0,0 +1,17 @@
"""
Types to ease the usage of the API
"""
import csv
from typing import Callable, Dict, Optional, Type, TypeVar
T = TypeVar("T")
DataCast = Callable[[str], T]
DataCastDict = Dict[str, DataCast]
BaseDir = Optional[str]
IdColName = Optional[str]
DataFile = str
CsvDialect = Type[csv.Dialect]

0
tests/__init__.py Normal file
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6
tests/assets/test1.csv Normal file
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@ -0,0 +1,6 @@
"#ID", "Animal", "Color"
"A1", "Cat", "Blue"
"A2", "Dog", "Green"
"A3", "Mouse", "Yellow"
"A4", "Bird", "Purple"
"A5", "Cow", "Red"
1 #ID Animal Color
2 A1 Cat Blue
3 A2 Dog Green
4 A3 Mouse Yellow
5 A4 Bird Purple
6 A5 Cow Red

10
tests/assets/test10.csv Normal file
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@ -0,0 +1,10 @@
"#ID", "Animal", "Color"
"A1", "Cat", "Blue"
"A2", "Dog", "Green"
"A3", "Mouse", "Yellow"
"A4", "Bird", "Purple"
"A5", "Cow", "Red"
"A7", "Rat", "Black"
1 #ID Animal Color
2 A1 Cat Blue
3 A2 Dog Green
4 A3 Mouse Yellow
5 A4 Bird Purple
6 A5 Cow Red
7 A7 Rat Black

6
tests/assets/test11.csv Normal file
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@ -0,0 +1,6 @@
"Animal", "Color"
"Cat", "Blue"
"Dog", "Green"
"Mouse", "Yellow"
"Bird", "Purple"
"Cow", "Red"
1 Animal Color
2 Cat Blue
3 Dog Green
4 Mouse Yellow
5 Bird Purple
6 Cow Red

6
tests/assets/test2.csv Normal file
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@ -0,0 +1,6 @@
"#ID", "Animal", "Color"
"A1", "Cat", "Blue"
"A2", "Dog", "Green"
"A3", "Mouse", "Yellow"
"A4", "Bird", "Purple"
"A5", "Cow", "Red", "46"
Can't render this file because it has a wrong number of fields in line 6.

6
tests/assets/test3.csv Normal file
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@ -0,0 +1,6 @@
"#ID", "Animal", "Color", "Number"
"A1", "Cat", "Blue", "44"
"A2", "Dog", "Green", "45"
"A3", "Mouse", "Yellow"
"A4", "Bird", "Purple"
"A5", "Cow", "Red", "46"
Can't render this file because it has a wrong number of fields in line 4.

6
tests/assets/test4.csv Normal file
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@ -0,0 +1,6 @@
"#ID", "Animal", "Color", "Number"
"A1", "Cat", "Blue", "44"
"A2", "Dog", "Green", "45"
"A3", "Mouse", "Yellow"
"A4", "Bird", "Purple
"A5", "Cow", "Red", "46"
Can't render this file because it has a wrong number of fields in line 4.

6
tests/assets/test5.csv Normal file
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@ -0,0 +1,6 @@
"#ID", "Animal", "Color", "Number"
"A1", "Cat", "Blue", "44"
"A2", "Dog", "Green", "45"
"A3", "Mouse", "Yellow"
"A4", "Bird", "Purple"
"A5", "Cow", "Red", 46
Can't render this file because it has a wrong number of fields in line 4.

6
tests/assets/test6.csv Normal file
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@ -0,0 +1,6 @@
"#ID###", "Animal", "Color", "Number"
"A1", "Cat", "Blue", "44"
"A2", "Dog", "Green", "45"
"A3", "Mouse", "Yellow"
"A4", "Bird", "Purple"
"A5", "Cow", "Red", 46
Can't render this file because it has a wrong number of fields in line 4.

1
tests/assets/test7.csv Normal file
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@ -0,0 +1 @@
"#ID", "Animal", "Color", "Number"
1 #ID Animal Color Number

0
tests/assets/test8.csv Normal file
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4
tests/assets/test9.csv Normal file
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@ -0,0 +1,4 @@
"#ID"
"A1"
"A2"
"A3"
1 #ID
2 A1
3 A2
4 A3

5
tests/conftest.py Normal file
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@ -0,0 +1,5 @@
"""
Conftest project global
"""
pytest_plugins = ["pytester"]

0
tests/plugin/__init__.py Normal file
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1
tests/plugin/assets/.gitattributes vendored Normal file
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@ -0,0 +1 @@
*.csv text eol=crlf

4
tests/plugin/assets/bad-test.csv Normal file
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@ -0,0 +1,4 @@
"#ID","word","expected_length"
"Apple_length_5","Apple"
"Banana_length_6","Banana",6
"Kiwi_length_4","Kiwi",4
Can't render this file because it has a wrong number of fields in line 2.

13
tests/plugin/assets/fruit_test.tpl Normal file
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@ -0,0 +1,13 @@
import pytest
from pytest_csv_params.decorator import csv_params
@csv_params(
id_col="#ID",
data_file=r"{{data_file}}",
data_casts={
"expected_length": int,
}
)
def test_fruits(word, expected_length):
assert len(word) == expected_length

5
tests/plugin/assets/simple-test.csv Normal file
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@ -0,0 +1,5 @@
"#ID","word","expected_length"
"Apple_length_5","Apple",5
"Banana_length_6","Banana",6
"Kiwi_length_4","Kiwi",4
"Peach_wrong_length_10","Peach",10
1 #ID word expected_length
2 Apple_length_5 Apple 5
3 Banana_length_6 Banana 6
4 Kiwi_length_4 Kiwi 4
5 Peach_wrong_length_10 Peach 10

56
tests/plugin/conftest.py Normal file
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@ -0,0 +1,56 @@
"""
Configuration for the tests
... and local Plugins
"""
import subprocess
from os.path import dirname, join
import pytest
def get_csv(csv: str):
"""
Get CSV data
"""
with open(join(dirname(__file__), "assets", f"{csv}.csv"), "rb") as csv_fh:
csv_data = csv_fh.read()
return csv_data.decode("utf-8")
@pytest.fixture(scope="session")
def simple_test_csv():
"""
Provide simple CSV data
"""
return get_csv("simple-test")
@pytest.fixture(scope="session")
def bad_test_csv():
"""
Provide bad CSV data
"""
return get_csv("bad-test")
@pytest.fixture(scope="session")
def simple_fruit_test():
"""
Provide simple test case
"""
with open(join(dirname(__file__), "assets", "fruit_test.tpl"), "rt", encoding="utf-8") as test_fh:
test_data = test_fh.read()
return lambda file: test_data.replace("{{data_file}}", file)
@pytest.fixture(scope="session", autouse=True)
def install_plugin_locally(pytestconfig):
"""
Install the local package
"""
root = pytestconfig.rootpath
_ = subprocess.run(["pip", "install", "-e", "."], shell=True, cwd=root, check=True, capture_output=True)
yield
_ = subprocess.run(
["pip", "uninstall", "-y", "pytest_csv_params"], shell=True, cwd=root, check=True, capture_output=True
)

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tests/plugin/test_plugin.py Normal file
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"""
Just try to call our plugin
"""
def test_plugin_test_multiplication(pytester, simple_test_csv, simple_fruit_test):
"""
Simple Roundtrip Smoke Test
"""
csv_file = str(pytester.makefile(".csv", simple_test_csv).absolute())
pytester.makepyfile(simple_fruit_test(csv_file))
result = pytester.runpytest("-p", "no:bandit")
result.assert_outcomes(passed=3, failed=1)
def test_plugin_test_error(pytester, bad_test_csv, simple_fruit_test):
"""
Simple Error Behaviour Test
"""
csv_file = str(pytester.makefile(".csv", bad_test_csv).absolute())
pytester.makepyfile(simple_fruit_test(csv_file))
result = pytester.runpytest("-p", "no:bandit")
result.assert_outcomes(errors=1)

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"""
Test the Parametrization Feature
"""
from os.path import dirname, join
import pytest
from _ptcsvp.parametrize import add_parametrization
from pytest_csv_params.exception import CsvParamsDataFileInvalid, CsvParamsDataFileNotFound
@pytest.mark.parametrize(
["csv_file", "id_col", "result", "ids", "expect_exception", "expect_message"],
[
("test0", "#ID", None, None, CsvParamsDataFileNotFound, None),
(
"test1",
"#ID",
(
["Animal", "Color"],
[
["Cat", "Blue"],
["Dog", "Green"],
["Mouse", "Yellow"],
["Bird", "Purple"],
["Cow", "Red"],
],
),
["A1", "A2", "A3", "A4", "A5"],
None,
None,
),
("test2", "#ID", None, None, CsvParamsDataFileInvalid, "Header and Data length mismatch"),
("test3", "#ID", None, None, CsvParamsDataFileInvalid, "Header and Data length mismatch"),
("test4", "#ID", None, None, CsvParamsDataFileInvalid, "Invalid data"),
("test5", "#ID", None, None, CsvParamsDataFileInvalid, "Header and Data length mismatch"),
("test6", "#ID", None, None, CsvParamsDataFileInvalid, "Cannot find ID column '#ID'"),
("test7", "#ID", None, None, CsvParamsDataFileInvalid, "File does not contain a single data row"),
("test8", "#ID", None, None, CsvParamsDataFileInvalid, "File does not contain a single data row"),
("test9", "#ID", None, None, CsvParamsDataFileInvalid, "File seems only to have IDs"),
("test0", "#ID", None, None, CsvParamsDataFileNotFound, None),
(
"test10",
"#ID",
(
["Animal", "Color"],
[
["Cat", "Blue"],
["Dog", "Green"],
["Mouse", "Yellow"],
["Bird", "Purple"],
["Cow", "Red"],
["Rat", "Black"],
],
),
["A1", "A2", "A3", "A4", "A5", "A7"],
None,
None,
),
(
"test11",
None,
(
["Animal", "Color"],
[
["Cat", "Blue"],
["Dog", "Green"],
["Mouse", "Yellow"],
["Bird", "Purple"],
["Cow", "Red"],
],
),
None,
None,
None,
),
],
)
def test_parametrization(
csv_file, id_col, result, ids, expect_exception, expect_message
): # pylint: disable=too-many-arguments
"""
Test the parametrization method
"""
data_file = join(dirname(__file__), "assets", f"{csv_file}.csv")
if expect_exception:
with pytest.raises(expect_exception) as raised_exception:
add_parametrization(data_file=data_file, id_col=id_col, data_casts={"Number": int})
if expect_message is not None:
assert raised_exception.value.args[0] == expect_message
else:
parameterization = add_parametrization(data_file=data_file, id_col=id_col, data_casts={"Number": int})
assert parameterization is not None
assert isinstance(parameterization, type(pytest.mark.parametrize))
assert parameterization.mark.args == parameterization.args
assert parameterization.args == result
assert parameterization.kwargs.get("ids", None) == ids

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tests/test_read_csv.py Normal file
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"""
Test the reading of the CSV
"""
from os.path import dirname, join
import pytest
from _ptcsvp.parametrize import read_csv
from pytest_csv_params.dialect import CsvParamsDefaultDialect
from pytest_csv_params.exception import CsvParamsDataFileInvalid, CsvParamsDataFileNotFound
@pytest.mark.parametrize(
["csv_file", "base_dir", "expect_lines", "expect_exception", "expect_message"],
[
("test1.csv", join(dirname(__file__), "assets"), 6, None, None),
(join(dirname(__file__), "assets", "test1.csv"), None, 6, None, None),
("test2.csv", join(dirname(__file__), "assets"), 6, None, None),
(join(dirname(__file__), "assets", "test2.csv"), None, 6, None, None),
("test3.csv", join(dirname(__file__), "assets"), 6, None, None),
(join(dirname(__file__), "assets", "test3.csv"), None, 6, None, None),
("test4.csv", join(dirname(__file__), "assets"), -1, CsvParamsDataFileInvalid, "Invalid data"),
(join(dirname(__file__), "assets", "test4.csv"), None, -1, CsvParamsDataFileInvalid, "Invalid data"),
("test5.csv", join(dirname(__file__), "assets"), 6, None, None),
(join(dirname(__file__), "assets", "test5.csv"), None, 6, None, None),
("test-does-not-exist.csv", join(dirname(__file__), "assets"), -1, CsvParamsDataFileNotFound, None),
(join(dirname(__file__), "assets", "does-not-exist.csv"), None, -1, CsvParamsDataFileNotFound, None),
("test-does-not-exist.csv", join(dirname(__file__), "does-not-exist"), -1, CsvParamsDataFileNotFound, None),
(join(dirname(__file__), "does-not-exist", "does-not-exist.csv"), None, -1, CsvParamsDataFileNotFound, None),
("test1.csv", join(dirname(__file__), "does-not-exist"), -1, CsvParamsDataFileNotFound, None),
(join(dirname(__file__), "does-not-exist", "test1.csv"), None, -1, CsvParamsDataFileNotFound, None),
(None, join(dirname(__file__), "assets"), -1, CsvParamsDataFileInvalid, None),
(None, None, -1, CsvParamsDataFileInvalid, None),
],
)
def test_csv_reader(csv_file, base_dir, expect_lines, expect_exception, expect_message):
"""
Test behaviour of the CSV loading
"""
if expect_exception is not None:
with pytest.raises(expect_exception) as raised_exception:
read_csv(base_dir, csv_file, CsvParamsDefaultDialect)
if expect_message is not None:
assert raised_exception.value.args[0] == expect_message
else:
csv_lines = read_csv(base_dir, csv_file, CsvParamsDefaultDialect)
assert len(csv_lines) == expect_lines

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tests/test_version_check.py Normal file
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"""
We are checking the python version for the plugin.
"""
import sys
import pytest
from attr.exceptions import PythonTooOldError
from _ptcsvp.version import check_pytest_version, check_python_version
def build_version(p_version):
"""
Build a Version
"""
elements = []
for v_part in p_version.split("."):
try:
elements.append(int(v_part))
except ValueError:
elements.append(v_part)
return tuple(elements)
@pytest.mark.parametrize(
["p_version", "expect_error"],
[
("3.8", None),
("3.8.1", None),
("3.8.10", None),
("3.8.10.ray.x", None),
("3.9", None),
("3.9.2", None),
("3.9.21", None),
("3.9.21.pre.7", None),
("3.10", None),
("3.10.31", None),
("3.10.31.beta.7", None),
("3.11", None),
("3.11.12", None),
("3.11.12.alpha.4", None),
("3.12", None),
("3.12.22", None),
("3.12.22.final", None),
("3.12.22.final.0", None),
("2.7", (PythonTooOldError, "At least Python 3.8 required")),
("2.7.1", (PythonTooOldError, "At least Python 3.8 required")),
("2.7.9", (PythonTooOldError, "At least Python 3.8 required")),
("2.7.9.final", (PythonTooOldError, "At least Python 3.8 required")),
("2.7.9.final.6", (PythonTooOldError, "At least Python 3.8 required")),
("3.7", (PythonTooOldError, "At least Python 3.8 required")),
("3.7.1", (PythonTooOldError, "At least Python 3.8 required")),
("3.7.final", (PythonTooOldError, "At least Python 3.8 required")),
("3.7.final.6", (PythonTooOldError, "At least Python 3.8 required")),
("3.7.final.6.777", (PythonTooOldError, "At least Python 3.8 required")),
("3.7.3.final.6.777", (PythonTooOldError, "At least Python 3.8 required")),
("3.7.3.7.final.6.777", (PythonTooOldError, "At least Python 3.8 required")),
("3", (PythonTooOldError, "At least Python 3.8 required")),
],
)
def test_python_version(mocker, p_version, expect_error):
"""
Test python versions
"""
mocker.patch.object(sys, "version_info", build_version(p_version))
if expect_error is not None:
with pytest.raises(expect_error[0]) as raised_exc:
check_python_version()
assert raised_exc.value.args[0] == expect_error[1]
else:
check_python_version()
@pytest.mark.parametrize(
["p_version", "expect_error"],
[
("7.1", None),
("7.1.1", None),
("7.1.1.2", None),
("7.1.1.2.3", None),
("7.1.1.455555", None),
("7.1.1.2-145", None),
("7.1.1.090909090990", None),
("7.2", None),
("7.2.5", None),
("7.2.5.6", None),
("7.2.5.6.3333333", None),
("7.2.5.6.333333333.4", None),
("8.0", None),
("8.0.1", None),
("8.0.beta", None),
("8.0.beta.3", None),
("8.0.2.3", None),
("7.0", (RuntimeError, "At least Pytest 7.1 required")),
("7.0.1", (RuntimeError, "At least Pytest 7.1 required")),
("7.0.111111", (RuntimeError, "At least Pytest 7.1 required")),
("7.0.111111.extra", (RuntimeError, "At least Pytest 7.1 required")),
("7.0.111111.extra.git-22", (RuntimeError, "At least Pytest 7.1 required")),
("7", (RuntimeError, "At least Pytest 7.1 required")),
("6", (RuntimeError, "At least Pytest 7.1 required")),
("6.1", (RuntimeError, "At least Pytest 7.1 required")),
("6.1.2", (RuntimeError, "At least Pytest 7.1 required")),
("6.1.2.final", (RuntimeError, "At least Pytest 7.1 required")),
("6.1.2.final.3", (RuntimeError, "At least Pytest 7.1 required")),
],
)
def test_pytest_version(mocker, p_version, expect_error):
"""
Test pytest versions
"""
mocker.patch.object(pytest, "__version__", p_version)
assert pytest.__version__ == p_version
if expect_error is not None:
with pytest.raises(expect_error[0]) as raised_exc:
check_pytest_version()
assert raised_exc.value.args[0] == expect_error[1]
else:
check_pytest_version()