Parallel unit test runner with coverage support
Project description
unittest-parallel
unittest-parallel is a parallel unit test runner for Python with coverage support.
To run unittest-parallel, specify the directory containing your unit tests with the "-s" argument and your package's top-level directory using the "-t" argument:
unittest-parallel -t . -s tests
By default, unittest-parallel runs unit tests on all CPU cores available.
To run your unit tests with coverage, add either the "--coverage" option (for line coverage) or the "--coverage-branch" for line and branch coverage.
unittest-parallel -t . -s tests --coverage-branch
How it works
unittest-parallel uses Python's built-in unit test discovery to find all test cases in your project. It then runs all test cases in a Python multi-processing pool of the requested size.
Class and Module Fixtures
Python's unittest framework supports class and module fixtures. Use the "--class-fixtures" option to execute class fixtures correctly. Use the "--module-fixtures" option to execute module fixtures correctly. Note that these options reduce the amount of parallelism.
Example output
$ unittest-parallel -v -t src -s src/tests --coverage-branch --coverage-fail-under 100
Running 299 test suites (299 total tests) across 8 processes
test_first_list_then_dict (tests.test_encode.TestDecodeQueryString) ...
test_first_list_then_dict (tests.test_encode.TestDecodeQueryString) ... ok
test_compile_stdin (tests.test_main.TestMain) ...
test_validate_stdin (tests.test_main.TestMain) ...
test_array (tests.test_encode.TestDecodeQueryString) ...
test_array (tests.test_encode.TestDecodeQueryString) ... ok
...
test_simple (tests.test_schema.TestValidateTypeModelTypes) ... ok
test_typedef_unknown_type (tests.test_schema.TestValidateTypeModelTypes) ...
test_typedef_unknown_type (tests.test_schema.TestValidateTypeModelTypes) ... ok
test_struct_empty (tests.test_schema.TestValidateTypeModelTypes) ...
test_struct_empty (tests.test_schema.TestValidateTypeModelTypes) ... ok
----------------------------------------------------------------------
Ran 299 tests in 0.731s
OK
Name Stmts Miss Branch BrPart Cover
----------------------------------------------------------------------
src/schema_markdown/__init__.py 5 0 0 0 100%
src/schema_markdown/__main__.py 2 0 0 0 100%
src/schema_markdown/encode.py 84 0 60 0 100%
src/schema_markdown/main.py 45 0 16 0 100%
src/schema_markdown/parser.py 327 0 186 0 100%
src/schema_markdown/schema.py 275 0 203 0 100%
src/schema_markdown/schema_util.py 150 0 106 0 100%
src/schema_markdown/type_model.py 4 0 0 0 100%
src/tests/__init__.py 0 0 0 0 100%
src/tests/test_encode.py 154 0 0 0 100%
src/tests/test_main.py 191 0 4 0 100%
src/tests/test_parser.py 363 0 0 0 100%
src/tests/test_schema.py 938 0 0 0 100%
----------------------------------------------------------------------
TOTAL 2538 0 575 0 100%
Total coverage is 100.00%
Usage
usage: unittest-parallel [-h] [-v] [-q] [-f] [-b] [-j COUNT]
[--class-fixtures] [--module-fixtures]
[--disable-process-pooling] [-s START] [-p PATTERN]
[-t TOP] [--coverage] [--coverage-branch]
[--coverage-rcfile RCFILE] [--coverage-include PAT]
[--coverage-omit PAT] [--coverage-source SRC]
[--coverage-html DIR] [--coverage-xml FILE]
[--coverage-fail-under MIN]
options:
-h, --help show this help message and exit
-v, --verbose Verbose output
-q, --quiet Quiet output
-f, --failfast Stop on first fail or error
-b, --buffer Buffer stdout and stderr during tests
-j COUNT, --jobs COUNT
The number of test processes (default is 0, all cores)
--class-fixtures One or more TestCase class has a setUpClass method
--module-fixtures One or more test module has a setUpModule method
--disable-process-pooling
Do not reuse processes used to run test suites
unittest options:
-s START, --start-directory START
Directory to start discovery ('.' default)
-p PATTERN, --pattern PATTERN
Pattern to match tests ('test*.py' default)
-t TOP, --top-level-directory TOP
Top level directory of project (defaults to start
directory)
coverage options:
--coverage Run tests with coverage
--coverage-branch Run tests with branch coverage
--coverage-rcfile RCFILE
Specify coverage configuration file
--coverage-include PAT
Include only files matching one of these patterns.
Accepts shell-style (quoted) wildcards.
--coverage-omit PAT Omit files matching one of these patterns. Accepts
shell-style (quoted) wildcards.
--coverage-source SRC
A list of packages or directories of code to be
measured
--coverage-html DIR Generate coverage HTML report
--coverage-xml FILE Generate coverage XML report
--coverage-fail-under MIN
Fail if coverage percentage under min
Development
This project is developed using python-build. It was started using python-template as follows:
template-specialize python-template/template/ unittest-parallel/ -k package unittest-parallel -k name 'Craig A. Hobbs' -k email 'craigahobbs@gmail.com' -k github 'craigahobbs' -k noapi 1
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