patman: hide the 'test' command unless test data is available

Some tests would fail when the test data is not available, so it
doesn't make much sense to expose the action when patman is running
outside of the u-boot git checkout.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxim Cournoyer <maxim.cournoyer@savoirfairelinux.com>

2 files changed, 10 insertions, 3 deletions

diff --git a/tools/patman/__main__.py b/tools/patman/__main__.py
index 2a2a7ea..70968f6 100755
--- a/tools/patman/__main__.py
+++ b/tools/patman/__main__.py
@@ -20,6 +20,7 @@ if __name__ == "__main__":
 
 # Our modules
 from patman import control
+from patman import func_test
 from patman import gitutil
 from patman import project
 from patman import settings
@@ -95,9 +96,11 @@ send.add_argument('--smtp-server', type=str,
 
 send.add_argument('patchfiles', nargs='*')
 
-test_parser = subparsers.add_parser('test', help='Run tests')
-test_parser.add_argument('testname', type=str, default=None, nargs='?',
-                         help="Specify the test to run")
+# Only add the 'test' action if the test data files are available.
+if os.path.exists(func_test.TEST_DATA_DIR):
+    test_parser = subparsers.add_parser('test', help='Run tests')
+    test_parser.add_argument('testname', type=str, default=None, nargs='?',
+                             help="Specify the test to run")
 
 status = subparsers.add_parser('status',
                                help='Check status of patches in patchwork')
diff --git a/tools/patman/patman.rst b/tools/patman/patman.rst
index 8c5c9cc..ff4c8b3 100644
--- a/tools/patman/patman.rst
+++ b/tools/patman/patman.rst
@@ -680,6 +680,10 @@ them:
 
     $ tools/patman/patman test
 
+Note that since the test suite depends on data files only available in
+the git checkout, the `test` command is hidden unless `patman` is
+invoked from the U-Boot git repository.
+
 Error handling doesn't always produce friendly error messages - e.g.
 putting an incorrect tag in a commit may provide a confusing message.