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559d7bb943
...rather than reading input layers directly through GDAL. Benefits include more robust handling of nodata/data type conversions, less code duplication, also being able to take advantage of features in QGIS raster code like handling gain/offset in rasters. (fix #12450) Also, add a choice of output projection to the raster calculator. Previously the output CRS would be taken from the first raster, with no guarantees that the output extent matched the output CRS. This resulted in empty/misplaced rasters. (fix #3649)
QGIS unit tests
Build tests
Make sure that you have enabled building of tests in CMake.
cmake -DENABLE_TESTS=ON ..
Run tests
You can run all tests using make check.
Individual tests can be run using ctest.
For example if the output of make check ends like this:
The following tests FAILED:
77 - PyQgsLocalServer (Failed)
You could re-run the failing test with:
ctest -V -R PyQgsLocalServer
The parameter -V enables verbose mode and -R takes a regular expression as
parameter and will only run matching tests.
Advanced configuration
Postgres
To test the postgres provider you will need to have a database available to
which the postgres provider can connect. This will need to have postgis support
enabled and be available as a service called qgis_test on the machine you run
the tests on.