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72 lines
2.7 KiB
Plaintext
72 lines
2.7 KiB
Plaintext
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Running the QtTestLib selftests with Catch2
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===========================================
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Catch2 [1] is a header only test framework that we use to allow
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testing QtTestLib without relying on any part of testlib itself.
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To run the test suite, execute 'make check' or './tst_selftests'
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as normal. This should print:
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===================================================================
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All tests passed (2453 assertions in 5 test cases)
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To run specific tests, first lists the available tests:
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❯ ./tst_selftests -l
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All available test cases:
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Loggers support both old and new style arguments
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Loggers can output to both file and stdout
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Logging to file and stdout at the same time
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All loggers can be enabled at the same time
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Scenario: Test output of the loggers is as expected
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5 test cases
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Then pass the name of the test in quotes as the first argument:
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❯ ./tst_selftests "Loggers support both old and new style arguments"
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Filters: Loggers support both old and new style arguments
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==================================================================
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All tests passed (96 assertions in 1 test case)
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You can find the tests in the sources as individual TEST_CASE
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entries. Note that each of these tests run the tests once per
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logger, and in the case of the test log check also all sub tests,
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so the amount of actual test assertions is much higher than the
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five tests listed above.
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To see what the tests is actually doing, pass the -s option.
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This will result in very verbose output. Each leaf test is
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prefixed with a heading:
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---------------------------------------------------------------
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Given: The QTestLog::TAP logger
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When: Passing arguments with new style
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---------------------------------------------------------------
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You can choose a specific subtest by passing the -c option:
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❯ ./tst_selftests "Scenario: Test output of the loggers is as expected" \
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-c "Given: The QTestLog::Plain logger" \
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-c 'And given: The "skip" subtest'
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It's possible to pass only the first -c options, to e.g. run all
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tests with the Plain logger, but it's unfortunately not possible
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to pass only the last -c option, to run the 'skip' subtest with
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all loggers.
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If a test fails it will print the expected, actual, and difference.
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The test results are also left in a temporary directory for closer
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inspection.
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Add new tests by modifying selftest.pri and CMakeLists.txt, adding
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a new subprogram.
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Generating new test expectations is done using the python script
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in this directory (generate_expected_output.py). In the future this
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will be done with the --rebase option to ./tst_selftest, but this
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is not fleshed out yet.
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[1] https://github.com/catchorg/Catch2
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