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Python Unit Testing With Pytest 2 - Using Options with Pytest
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In this Python Unit Testing With PyTest video I am going to show you How to use Options with pytest:
How to run cases?
• pytest tests/
• pytest -k match # def test_match():
-k EXPRESSION only run tests which match the given substring expression.
• pytest --showlocals # trace context
• pytest -x # stop on first failure case
• pytest --maxfail=2 # on the second
• pytest -s # enable `print` output
• pytest --durations=5 # list top 5 slowest cases
• pytest --tb=long # default traceback
• pytest --tb=line # oneline
• pytest --tb=short
• pytest --tb=native # Python default traceback
-m MARKEXPR only run tests matching given mark expression.
example: -m 'mark1 and not mark2'.
--markers show markers (builtin, plugin and per-project ones).
-x, --exitfirst exit instantly on first error or failed test.
--maxfail=num exit after first num failures or errors.
What is Unit Testing - According to wikipedia, unit testing is a software testing method by which individual units of source code are tested to determine whether they are fit for use.
Why Unit Test? -
Tests Reduce Bugs in New Features and Existing Features
Tests Are Good Documentation
Tests Reduce the Cost of Change
Faster Debugging
Faster Development
Better Design
Python Testing frameworks
unittest - In the Python Standard Library
nose - Not in the Standard Library. Simpler tests than unittest
pytest - Not in the Python Standard Library.
run with following command:
or
#PythonTutorialforBeginners #ProgrammingKnowledge #PyTest #PythonCourse.
★★★Top Online Courses From ProgrammingKnowledge ★★★
★★★ Online Courses to learn ★★★
★★★ Follow ★★★
DISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. This help support the channel and allows us to continue to make videos like this. Thank you for the support!
How to run cases?
• pytest tests/
• pytest -k match # def test_match():
-k EXPRESSION only run tests which match the given substring expression.
• pytest --showlocals # trace context
• pytest -x # stop on first failure case
• pytest --maxfail=2 # on the second
• pytest -s # enable `print` output
• pytest --durations=5 # list top 5 slowest cases
• pytest --tb=long # default traceback
• pytest --tb=line # oneline
• pytest --tb=short
• pytest --tb=native # Python default traceback
-m MARKEXPR only run tests matching given mark expression.
example: -m 'mark1 and not mark2'.
--markers show markers (builtin, plugin and per-project ones).
-x, --exitfirst exit instantly on first error or failed test.
--maxfail=num exit after first num failures or errors.
What is Unit Testing - According to wikipedia, unit testing is a software testing method by which individual units of source code are tested to determine whether they are fit for use.
Why Unit Test? -
Tests Reduce Bugs in New Features and Existing Features
Tests Are Good Documentation
Tests Reduce the Cost of Change
Faster Debugging
Faster Development
Better Design
Python Testing frameworks
unittest - In the Python Standard Library
nose - Not in the Standard Library. Simpler tests than unittest
pytest - Not in the Python Standard Library.
run with following command:
or
#PythonTutorialforBeginners #ProgrammingKnowledge #PyTest #PythonCourse.
★★★Top Online Courses From ProgrammingKnowledge ★★★
★★★ Online Courses to learn ★★★
★★★ Follow ★★★
DISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. This help support the channel and allows us to continue to make videos like this. Thank you for the support!
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