CodeQL documentation

resolve tests


codeql resolve tests <options>... -- <test|dir>...


[Deep plumbing] Find QL unit tests in given directories.

This plumbing command is responsible for expanding the command-line parameters of subcommands that run QL unit tests, to an actual list of individual .ql and .qlref files to execute.



Each argument is one of:

  • A .ql or .qlref file that defines a test to run.
  • A directory which will be searched recursively for tests to run.

[Advanced] Divide the test cases into M roughly equal-sized slices and process only the Nth of them. This can be used for manual parallelization of the testing process.


[Advanced] Only use queries that can be strongly identified as tests. This mode tries to distinguish between .ql files that define unit tests and .ql files that are meant to be useful queries. This option is used by tools, such as IDEs, that need to identify all unit tests in a directory tree without depending on previous knowledge of how the files in it are arranged.

Within a QL pack whose qlpack.yml declares a tests directory, all .ql files in that directory are considered tests, and .ql files outside it are ignored. In a QL pack that doesn’t declare a tests directory, a .ql file is identified as a test only if it has a corresponding .expected file.

For consistency, .qlref files are limited by the same rules as .ql files even though a .qlref file cannot really be a non-test.


Select output format, either text (default) or json.

Common options

-h, --help

Show this help text.


[Advanced] Give option to the JVM running the command.

(Beware that options containing spaces will not be handled correctly.)

-v, --verbose

Incrementally increase the number of progress messages printed.

-q, --quiet

Incrementally decrease the number of progress messages printed.


[Advanced] Explicitly set the verbosity level to one of errors, warnings, progress, progress+, progress++, progress+++. Overrides -v and -q.


[Advanced] Write detailed logs to one or more files in the given directory, with generated names that include timestamps and the name of the running subcommand.

(To write a log file with a name you have full control over, instead give --log-to-stderr and redirect stderr as desired.)

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