"slave" -> "worker" for xdist compat

Closes #34.

AUTHORS.rst

@@ -11,3 +11,4 @@ These people have contributed to `pytest-services`, in alphabetical order:
 * `Jason R. Coombs <jaraco@jaraco.com>`_
 * `Joep van Dijken <joepvandijken@github.com>`_
 * `Oleg Pidsadnyi <oleg.pidsadnyi@gmail.com>`_
+* `Zac Hatfield-Dodds <zac@zhd.dev>`_

CHANGES.rst

@@ -1,6 +1,12 @@
 Changelog
 =========
 
+2.1.0
+-----
+
+- #34: Deprecated ``slave_id`` fixture in favor of ``worker_id``,
+  for compatibility with ``pytest-xdist`` 2.
+
 2.0.1
 -----
 

README.rst

@@ -48,9 +48,10 @@ Fixtures
 Infrastructure fixtures
 ***********************
 
-* slave_id
-    Id of the slave if tests are run using pytest-xdist_. It is set to `local` if tests are not run using
+* worker_id
+    Id of the worker if tests are run using pytest-xdist_. It is set to `local` if tests are not run using
     pytest-xdist_ (with `--dist` command line option set to `load`).
+    Has a deprecated alias ``slave_id`` which will be removed in a future version.
 * session_id
     Test session id. Globally unique, and of course also guaranteed to be different for potentially multiple test
     sessions running on same test node via pytest-xdist_.

pytest_services/log.py

@@ -8,8 +8,8 @@
 
 
 @pytest.fixture(scope='session')
-def services_log(slave_id):
-    """A services_logger with the slave id."""
+def services_log(worker_id):
+    """A services_logger with the worker id."""
     handler = None
     for kwargs in (dict(socktype=socket.SOCK_RAW), dict(socktype=socket.SOCK_STREAM), dict()):
         try:
@@ -18,7 +18,7 @@ def services_log(slave_id):
             break
         except (IOError, TypeError):
             pass
-    logger = logging.getLogger('[{slave_id}] {name}'.format(name=__name__, slave_id=slave_id))
+    logger = logging.getLogger('[{worker_id}] {name}'.format(name=__name__, worker_id=worker_id))
     logger.setLevel(logging.DEBUG)
     if handler and workaround_issue_20(handler):
         logger.propagate = 0

pytest_services/service.py

@@ -15,36 +15,43 @@
 
 
 @pytest.fixture(scope='session')
-def run_services(request, slave_id):
+def run_services(request, worker_id):
     """Indicate whether the services should run or not."""
-    return slave_id != 'local' or request.config.option.run_services
+    return worker_id != 'local' or request.config.option.run_services
 
 
 @pytest.fixture(scope='session')
-def slave_id(request):
+def worker_id(request):
     """
-    The id of the slave if tests are run using xdist.
+    The id of the worker if tests are run using xdist.
 
     It is set to `'local'` if tests are not run using xdist.
 
     The id is unique for a test run. An id may clash if there are two workers
     that belong to different test sessions.
 
     """
-    return WRONG_FILE_NAME_CHARS_RE.sub('_', getattr(request.config, 'slaveinput', {}).get('slaveid', 'local'))
+    return WRONG_FILE_NAME_CHARS_RE.sub('_', getattr(request.config, 'workerinput', {}).get('workerid', 'local'))
 
 
 @pytest.fixture(scope='session')
-def session_id(request, slave_id, run_services):
+def slave_id(request, worker_id):
+    msg = "The `slave_id` fixture is deprecated; use `worker_id` instead."
+    warnings.warn(msg, DeprecationWarning)
+    return worker_id
+
+
+@pytest.fixture(scope='session')
+def session_id(request, worker_id, run_services):
     """The test session id.
 
     It is supposed to be globally unique.
 
     """
     # UUID should be enough, other fields are added for the debugging purposes.
-    session_id = '{random}-{slave_id}'.format(
+    session_id = '{random}-{worker_id}'.format(
         random=uuid.uuid4().hex,
-        slave_id=slave_id,
+        worker_id=worker_id,
     )
 
     return session_id