bodhi-ci: add an option to run only selected tests

Signed-off-by: Aurélien Bompard <aurelien@bompard.org>

devel/ci/bodhi_ci/cli.py

@@ -84,6 +84,10 @@ def _set_concurrency(ctx, param, value):
 failfast_option = click.option(
     '--failfast', '-x', is_flag=True, callback=_set_context, expose_value=False,
     help='Exit immediately upon error.')
+onlytests_option = click.option(
+    '--only-tests', '-k', metavar="EXPRESSION", callback=_set_context, expose_value=False,
+    help='only run tests which match the given substring expression. '
+         'See the pytest documentation for the -k option for details.')
 no_build_option = click.option(
     '--no-build', is_flag=True, callback=_set_context, expose_value=False,
     help='Do not run docker build if the image already exists.')
@@ -187,6 +191,7 @@ def pre_commit(ctx, releases):
 @concurrency_option
 @container_runtime_option
 @failfast_option
+@onlytests_option
 @no_build_option
 @releases_option
 @modules_option
@@ -232,6 +237,7 @@ def integration_build(ctx, releases):
 @concurrency_option
 @container_runtime_option
 @failfast_option
+@onlytests_option
 @no_build_option
 @releases_option
 @archive_path_option

devel/ci/bodhi_ci/constants.py

@@ -4,6 +4,7 @@
 import os
 import uuid
 
+
 CONTAINER_NAME = 'bodhi-ci'
 # We label the containers we run so it's easy to find them when we run _stop_all_jobs() at the end.
 # UUID is used so that one bodhi-ci process does not stop jobs started by a different one.
@@ -16,6 +17,7 @@
     concurrency=multiprocessing.cpu_count(),
     container_runtime='docker',
     failfast=False,
+    only_tests=None,
     init=True,
     # If True, we will try to skip running any builds if suitable builds already exist.
     no_build=False,

devel/ci/bodhi_ci/integration.py

@@ -191,6 +191,8 @@ def __init__(self, *args, **kwargs):
         self._popen_kwargs["env"]["CONTAINER_RUNTIME"] = self.options["container_runtime"]
         if self.options["failfast"]:
             self._command.append('-x')
+        if self.options["only_tests"]:
+            self._command.extend(['-k', self.options["only_tests"]])
         if self.options["archive"]:
             self._command.append(
                 f'--junit-xml={self.options["archive_path"]}/'

devel/ci/bodhi_ci/unit.py

@@ -44,6 +44,8 @@ def __init__(self, *args, **kwargs):
         pytest_flags = '--junit-xml=nosetests.xml -v tests'
         if self.options["failfast"]:
             pytest_flags += ' -x'
+        if self.options["only_tests"]:
+            pytest_flags += f' -k {self.options["only_tests"]}'
 
         modules = " ".join(self.options["modules"])