Playwrightとpytestを使用しWebアプリのエンド ツー エンドのテストができるライブラリ「pytest-playwright」のインストールについて解説しています。
「pytest-playwright（https://github.com/microsoft/playwright-pytest）」は、Playwright用のPytestプラグインで、Webアプリのエンド ツー エンドのテストが行えます。
■Python
今回のPythonのバージョンは、「3.8.5」を使用しています。（Windows10）（pythonランチャーでの確認）
■pytest-playwrightをインストールする
pytest-playwrightをインストールを行いますが、今回はpipを経由してインストールを行うので、まずWindowsのコマンドプロンプトを起動します。
pip install pytest-playwright
起動後、上記のコマンドを入力し、Enterキーを押します。
なお、今回は、pythonランチャーを使用しており、Python Version 3.8.5にインストールを行うために、バージョンの切り替えを行います。
py -3.8 -m pip install pytest-playwright
切り替えるために、上記のコマンドを入力し、Enterキーを押します。
Defaulting to user installation because normal site-packages is not writeable Collecting pytest-playwright Downloading pytest_playwright-0.3.0-py3-none-any.whl (10 kB) Requirement already satisfied: playwright>=1.18 in c:\users\user_\appdata\roaming\python\python38\site-packages (from pytest-playwright) (1.27.1) Requirement already satisfied: python-slugify in c:\users\user_\appdata\roaming\python\python38\site-packages (from pytest-playwright) (6.1.2) Collecting pytest-base-url Downloading pytest_base_url-2.0.0-py3-none-any.whl (4.6 kB) Collecting pytest Downloading pytest-7.2.0-py3-none-any.whl (316 kB) ---------------------------------------- 316.8/316.8 kB 1.5 MB/s eta 0:00:00 Requirement already satisfied: typing-extensions in c:\users\user_\appdata\roaming\python\python38\site-packages (from playwright>=1.18->pytest-playwright) (4.4.0) Requirement already satisfied: greenlet==1.1.3 in c:\users\user_\appdata\roaming\python\python38\site-packages (from playwright>=1.18->pytest-playwright) (1.1.3) Requirement already satisfied: pyee==8.1.0 in c:\users\user_\appdata\roaming\python\python38\site-packages (from playwright>=1.18->pytest-playwright) (8.1.0) Collecting attrs>=19.2.0 Using cached attrs-22.1.0-py2.py3-none-any.whl (58 kB) Collecting pluggy<2.0,>=0.12 Using cached pluggy-1.0.0-py2.py3-none-any.whl (13 kB) Collecting tomli>=1.0.0 Using cached tomli-2.0.1-py3-none-any.whl (12 kB) Collecting exceptiongroup>=1.0.0rc8 Downloading exceptiongroup-1.0.0-py3-none-any.whl (12 kB) Requirement already satisfied: colorama in c:\users\user_\appdata\roaming\python\python38\site-packages (from pytest->pytest-playwright) (0.4.5) Collecting packaging Using cached packaging-21.3-py3-none-any.whl (40 kB) Collecting iniconfig Using cached iniconfig-1.1.1-py2.py3-none-any.whl (5.0 kB) Requirement already satisfied: requests>=2.9 in c:\users\user_\appdata\roaming\python\python38\site-packages (from pytest-base-url->pytest-playwright) (2.28.1) Requirement already satisfied: text-unidecode>=1.3 in c:\users\user_\appdata\roaming\python\python38\site-packages (from python-slugify->pytest-playwright) (1.3) Requirement already satisfied: urllib3<1.27,>=1.21.1 in c:\users\user_\appdata\roaming\python\python38\site-packages (from requests>=2.9->pytest-base-url->pytest-playwright) (1.26.12) Requirement already satisfied: charset-normalizer<3,>=2 in c:\users\user_\appdata\roaming\python\python38\site-packages (from requests>=2.9->pytest-base-url->pytest-playwright) (2.1.1) Requirement already satisfied: certifi>=2017.4.17 in c:\users\user_\appdata\roaming\python\python38\site-packages (from requests>=2.9->pytest-base-url->pytest-playwright) (2022.9.24) Requirement already satisfied: idna<4,>=2.5 in c:\users\user_\appdata\roaming\python\python38\site-packages (from requests>=2.9->pytest-base-url->pytest-playwright) (3.4) Collecting pyparsing!=3.0.5,>=2.0.2 Using cached pyparsing-3.0.9-py3-none-any.whl (98 kB) Installing collected packages: iniconfig, tomli, pyparsing, pluggy, exceptiongroup, attrs, packaging, pytest, pytest-base-url, pytest-playwright Successfully installed attrs-22.1.0 exceptiongroup-1.0.0 iniconfig-1.1.1 packaging-21.3 pluggy-1.0.0 pyparsing-3.0.9 pytest-7.2.0 pytest-base-url-2.0.0 pytest-playwright-0.3.0 tomli-2.0.1
Enterキーを押すと、インストールが開始され、上記のように「Successfully installed」と表示されます。これが表示されれば、pytest-playwrightが正常にインストールされたことになります。
なお、今回はpytest-playwrightのバージョン0.3.0をインストールしました。
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