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thiagojacintothiagojacinto
committedDec 10, 2023
feat: settings to use remote webdrivers on containers
1 parent 478b210 commit f071c5c

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‎Makefile

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# shell colors
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COLOUR_GREEN=\033[0;32m
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COLOUR_RED=\033[0;31m
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COLOUR_BLUE=\033[0;34m
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COLOUR_END=\033[0m
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se-docker-up: #starts the docker containers set by containers/compose.yaml file:
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@echo "$(COLOUR_GREEN)UP Docker containers set by compose file ...$(COLOUR_END)"
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docker compose -f containers/compose.yaml up -d
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se-docker-down: #terminates the docker containers set by containers/compose.yaml file:
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@echo "$(COLOUR_RED)DOWN Docker containers set by compose file ...$(COLOUR_END)"
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docker compose -f containers/compose.yaml down
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se-docker-run-tests: #Running tests for Firefox, Chrome and Edge browsers from docker containers
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@echo "$(COLOUR_BLUE)Running tests for Firefox, Chrome and Edge browsers from docker containers ...$(COLOUR_END)"
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docker compose -f containers/compose.yaml exec python sh -c "SELENIUM_HOST=chrome pytest -vx --use-browser remote & SELENIUM_HOST=firefox pytest -vx --use-browser remote & SELENIUM_HOST=edge pytest -vx --use-browser remote"
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se-docker-run-tests-firefox: #Running tests for Firefox browser from docker containers
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@echo "$(COLOUR_BLUE)Running tests for Firefox browser from docker containers ...$(COLOUR_END)"
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docker compose -f containers/compose.yaml exec python sh -c "SELENIUM_HOST=firefox pytest -vx --use-browser remote"
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se-docker-run-tests-chrome: #Running tests for Chrome browser from docker containers
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@echo "$(COLOUR_BLUE)Running tests for Chrome browser from docker containers ...$(COLOUR_END)"
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docker compose -f containers/compose.yaml exec python sh -c "SELENIUM_HOST=chrome pytest -vx --use-browser remote "
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se-docker-run-tests-edge: #Running tests for Edge browser from docker containers
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@echo "$(COLOUR_BLUE)Running tests for Edge browser from docker containers ...$(COLOUR_END)"
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docker compose -f containers/compose.yaml exec python sh -c "SELENIUM_HOST=edge pytest -vx --use-browser remote"
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#: #########################################
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#: ############ Help - Makefile ############
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#: #########################################
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help: # list all Makefile commands
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@echo "$(COLOUR_BLUE)These are all the avalaible commands ...$(COLOUR_END)"
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@echo ""
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@grep ': #' Makefile

‎README.md

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@@ -10,6 +10,8 @@ Automated tests using Python flavor of the Selenium framework.
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- [Expected output of test run](#expected-output-of-test-run)
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- [Selecting a specific browser](#selecting-a-specific-browser)
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- [Set a default browser to run a specific test](#set-a-default-browser-to-run-a-specific-test)
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- [Using `pytest` parametrize option to repeat test on different browsers](#using-pytest-parametrize-option-to-repeat-test-on-different-browsers)
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- [Using containers to run tests](#using-containers-to-run-tests)
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# How to install
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...
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```
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The test above will be run using the Firefox browser and this mark takes precedence over the CLI argument `--use-browser`, if it is passed.
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The test above will be run using the Firefox browser and this mark takes precedence over the CLI argument `--use-browser`, if it is passed.
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## Using `pytest` parametrize option to repeat test on different browsers
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It's useful to use the powers of `pytest` framework to handle situations where the specific test case should be run against a variety of different browsers. A way to make it works it's by using `pytest.mark.parametrize` fixture, as the example below:
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```python
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@pytest.mark.parametrize(
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(""), [
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pytest.param(id="default"),
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pytest.param(id="firefox", marks=pytest.mark.FORCE_BROWSER("edge")),
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pytest.param(id="firefox", marks=pytest.mark.FORCE_BROWSER("chrome"))
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]
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)
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def test_successfully_run_with_edge_chrome_and_default_config(...):
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...
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```
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The way the example above works is by only applying:
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- an _ID_: to be displayed on the pytest output;
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- the custom `FORCE_BROWSER` mark: to force the use of the specified browser.
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## Using containers to run tests
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To rapidly set a development environment, using Docker to run containers is a valid alternative. Documentation for `docker-selenium` is set on the [project official repository](https://github.com/SeleniumHQ/docker-selenium) and it might be a good idea to take some time to read it.
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The first steps are condensed on this [Makefile](Makefile), and you could start with the `make help` command to see the basics to: put containers UP or DOWN with Docker, then execute the tests on this infrastructure. All containers configuration are disposed on [compose.yaml](containers/compose.yaml)
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```sh
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make help
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# > These are all the avalaible commands ...
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make se-docker-up # starts the docker containers set by containers/compose.yaml file
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make se-docker-run-tests #Running tests for Firefox, Chrome and Edge browsers from docker containers
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make se-docker-down # terminates the docker containers set by containers/compose.yaml file
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```

‎conftest.py

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@@ -26,9 +26,13 @@ def use_browser_option(request):
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"""Fixture to handle the use of argument --use-browser to select"""
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force_browser = request.node.get_closest_marker("FORCE_BROWSER")
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selected_browser = request.config.getoption("--use-browser")
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if force_browser is None:
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selected_browser = request.config.getoption("--use-browser")
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return selected_browser
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elif selected_browser.lower() == "remote":
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pytest.skip(reason="Test to be run on specific browser locally")
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return force_browser.args[0]
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‎containers/compose.yaml

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version: '3'
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services:
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firefox:
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image: selenium/standalone-firefox:4.15.0-20231129
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shm_size: '2gb'
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ports:
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- 4444:4444 # Selenium service
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- 5900:5900 # VNC server
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- 7900:7900 # VNC browser client
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environment:
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- SE_NODE_OVERRIDE_MAX_SESSIONS=true
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- SE_NODE_MAX_SESSIONS=15
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- SE_NODE_SESSION_TIMEOUT=30
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chrome:
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image: selenium/standalone-chrome:4.15.0-20231129
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shm_size: '2gb'
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ports:
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- 4441:4444 # Selenium service
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- 5901:5900 # VNC server
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- 7901:7900 # VNC browser client
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environment:
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- SE_NODE_OVERRIDE_MAX_SESSIONS=true
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- SE_NODE_MAX_SESSIONS=15
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- SE_NODE_SESSION_TIMEOUT=30
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edge:
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image: selenium/standalone-edge:4.15.0-20231129
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shm_size: '2gb'
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ports:
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- 4442:4444 # Selenium service
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- 5902:5900 # VNC server
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- 7902:7900 # VNC browser client
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environment:
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- SE_NODE_OVERRIDE_MAX_SESSIONS=true
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- SE_NODE_MAX_SESSIONS=15
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- SE_NODE_SESSION_TIMEOUT=30
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python:
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image: python:3.11.7-alpine3.18
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volumes:
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- ./../:/test
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working_dir: /test
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command: sh -c "pip install -r requirements-lock.txt && sh"
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tty: true

‎tests/pages/BasePageObject.py

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import os
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from selenium import webdriver
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from selenium.webdriver.firefox.options import Options
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from selenium.webdriver.firefox.options import Options as FirefoxOptions
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from selenium.webdriver.chrome.options import Options as ChromeOptions
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from selenium.webdriver.edge.options import Options as EdgeOptions
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from selenium.webdriver.safari.options import Options as SafariOptions
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class BasePageObject:
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match driver:
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case None:
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new_driver_options = Options()
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new_driver_options = FirefoxOptions()
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new_driver_options.add_argument("-headless")
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self.driver = webdriver.Firefox(new_driver_options)
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case "remote":
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hostname = os.environ.get("SELENIUM_HOST", "selenium")
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match hostname.lower():
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case "chrome":
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new_driver_options = ChromeOptions()
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case "firefox":
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new_driver_options = FirefoxOptions()
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case "edge":
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new_driver_options = EdgeOptions()
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case _:
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new_driver_options = FirefoxOptions()
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self.driver = webdriver.Remote(
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command_executor="http://{}:4444".format(hostname),
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options=new_driver_options,
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keep_alive=True,
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)
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case "firefox":
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self.driver = webdriver.Firefox()
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case "headless-firefox":
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new_driver_options = Options()
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new_driver_options = FirefoxOptions()
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new_driver_options.add_argument("-headless")
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self.driver = webdriver.Firefox(new_driver_options)
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case "chrome":
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self.driver = webdriver.Chrome()
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case "headless-chrome":
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new_driver_options = Options()
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new_driver_options = ChromeOptions()
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new_driver_options.add_argument("-headless")
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self.driver = webdriver.Chrome(new_driver_options)
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case "safari":
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self.driver = webdriver.Safari()
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case "headless-firefox":
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new_driver_options = Options()
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case "headless-safari":
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new_driver_options = SafariOptions()
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new_driver_options.add_argument("-headless")
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self.driver = webdriver.Firefox(new_driver_options)
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case _:

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