Building & running the tests

To build all tests:

Linux	OSX	Windows
make debug sudo make installdebug cd build.debug/mtest make	make -f Makefile.osx debug make -f Makefile.osx installdebug cd build.debug/mtest make -f Makefile.osx	mingw32-make -f Makefile.mingw debug mingw32-make -f Makefile.mingw installdebug cd build.debug\mtest mingw32-make -f Makefile.mingw

To run all tests:

ctest

To run only one test (for debugging purposes):

cd libmscore/join/
./tst_join

To see how the CI environment is doing it check .travis.yml and build/run_tests.sh

Note: You need to have diff in your path. For Windows, get a copy of diffutils for Windows.

Test case conventions

Tests are grouped in directories by feature (like libmscore or mxl). In these directories, each subdirectory represents a test suite for a particular sub feature.

The name of a test suite directory should be descriptive. The CPP file for the tests should use the same name as the directory, for example tst_foo.cpp in directory foo. It's good practice to include a README file in a test suite directory.

Test suite CPP files contain one slot per test case. Each file should be called foo-XX with XX being an incrementing count. If a test case uses a file and a ref file, they should be called foo-XX and foo-XX-ref, with the extension .mscx. A test case should not reuse a file from another test case.

To create reference or original files, MuseScore can be run with the -t command line argument and it will save all the files in the session in test mode. Such files do not contain platform or version information and do contain extra data for tracing (for example, they contains pixel level position for beams).

How to write a test case

Import test

Open a short file containing an individual case in one of the formats supported by MuseScore
Save in MuseScore format
Compare with reference file

At first the test will fail because there is no reference file. Open the file created by the test case in MuseScore and try to edit it to be sure it's valid. If the file is valid, save it (without version number) as a reference file.

Object read write

Create a test case for all elements and all properties in each element. See libmscore/note

Create an object
Set a property
Write and read the object
Check if the property has the right value

Action tests

See libmscore/join or libmscore/split for example

Read a score file
Apply an action
Write the file
Compare with a reference
(Undo the action)
(Compare with original file)

Compatibility tests

Most of them are in mtest/libmscore/compat

Read a score file from an older version of MuseScore
Write the file
Compare with a reference file

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