How to use pytestpm method in Pytest

Best Python code snippet using pytest

test_pluginmanager.py

Source: test_pluginmanager.py Github

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...3import os4from _pytest.config import get_config, PytestPluginManager5from _pytest.main import EXIT_NOTESTSCOLLECTED6@pytest.fixture7def pytestpm():8 return PytestPluginManager()9class TestPytestPluginInteractions:10 def test_addhooks_conftestplugin(self, testdir):11 testdir.makepyfile(newhooks="""12 def pytest_myhook(xyz):13 "new hook"14 """)15 conf = testdir.makeconftest("""16 import sys ; sys.path.insert(0, '.')17 import newhooks18 def pytest_addhooks(pluginmanager):19 pluginmanager.addhooks(newhooks)20 def pytest_myhook(xyz):21 return xyz + 1...

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If the reason you're checking is so you can do something like if file_exists: open_it(), it's safer to use a try around the attempt to open it. Checking and then opening risks the file being deleted or moved or something between when you check and when you try to open it.

If you're not planning to open the file immediately, you can use os.path.isfile

Return True if path is an existing regular file. This follows symbolic links, so both islink() and isfile() can be true for the same path.

import os.path
os.path.isfile(fname) 

if you need to be sure it's a file.

Starting with Python 3.4, the pathlib module offers an object-oriented approach (backported to pathlib2 in Python 2.7):

from pathlib import Path

my_file = Path("/path/to/file")
if my_file.is_file():
    # file exists

To check a directory, do:

if my_file.is_dir():
    # directory exists

To check whether a Path object exists independently of whether is it a file or directory, use exists():

if my_file.exists():
    # path exists

You can also use resolve(strict=True) in a try block:

try:
    my_abs_path = my_file.resolve(strict=True)
except FileNotFoundError:
    # doesn't exist
else:
    # exists
https://stackoverflow.com/questions/82831/how-do-i-check-whether-a-file-exists-without-exceptions

Blogs

Check out the latest blogs from LambdaTest on this topic:

Test Automation Using Pytest and Selenium WebDriver

This article is a part of our Content Hub. For more in-depth resources, check out our content hub on Selenium pytest Tutorial.

How To Speed Up Selenium Test Cases Execution?

The primary intent of Selenium test automation is to expedite the testing process. In the majority of the cases, automation tests using Selenium perform exceptionally better than the manual counterparts. However, there might be possibilities to speed up Selenium tests using Selenium test automation best practices to its truest potential. I have come across umpteen cases in my career where there was potential to speed up selenium tests.

Selenium Webdriver Java Tutorial – Guide for Beginners

Automation testing at first may sound like a nightmare especially when you have been into the manual testing business for quite long. Looking at the pace with which the need for automation testing is arising, it has become inevitable for website testers to deep dive into the automation river and starts swimming. To become a pro swimmer it takes time, similar is the case with becoming a successful automation tester. It requires knowledge & deep understanding of numerous automation tools & frameworks. As a beginner in automation testing, you may be looking forward to grabbing your hands on an open-source testing framework. After doing so the question that arises is what next? How do I go about using the open-source tool, framework, or platform, & I am here to help you out in that regard. Today, we will be looking at one of the most renowned open-source automation testing frameworks known as Selenium. In this Selenium Java tutorial, I will demonstrate a Selenium login example with Java to help you automate the login process.

PyTest Tutorial – Python Selenium Test in Parallel

This article is a part of our Content Hub. For more in-depth resources, check out our content hub on Selenium Python Tutorial and Selenium pytest Tutorial.

Pytest Tutorial

Looking for an in-depth tutorial around pytest? LambdaTest covers the detailed pytest tutorial that has everything related to the pytest, from setting up the pytest framework to automation testing. Delve deeper into pytest testing by exploring advanced use cases like parallel testing, pytest fixtures, parameterization, executing multiple test cases from a single file, and more.

Chapters

  1. What is pytest
  2. Pytest installation: Want to start pytest from scratch? See how to install and configure pytest for Python automation testing.
  3. Run first test with pytest framework: Follow this step-by-step tutorial to write and run your first pytest script.
  4. Parallel testing with pytest: A hands-on guide to parallel testing with pytest to improve the scalability of your test automation.
  5. Generate pytest reports: Reports make it easier to understand the results of pytest-based test runs. Learn how to generate pytest reports.
  6. Pytest Parameterized tests: Create and run your pytest scripts while avoiding code duplication and increasing test coverage with parameterization.
  7. Pytest Fixtures: Check out how to implement pytest fixtures for your end-to-end testing needs.
  8. Execute Multiple Test Cases: Explore different scenarios for running multiple test cases in pytest from a single file.
  9. Stop Test Suite after N Test Failures: See how to stop your test suite after n test failures in pytest using the @pytest.mark.incremental decorator and maxfail command-line option.

YouTube

Skim our below pytest tutorial playlist to get started with automation testing using the pytest framework.

https://www.youtube.com/playlist?list=PLZMWkkQEwOPlcGgDmHl8KkXKeLF83XlrP

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