[Tests] Remove reference to Twisted Trial

With the move to pytest remove remainings documentation or comments that
refer to Trial.

.gitignore

@@ -10,7 +10,6 @@ docs/source/modules/deluge*.rst
 __pycache__/
 *.py[cod]
 *.tar.*
-_trial_temp
 .tox/
 deluge/i18n/*/
 deluge.pot

deluge/plugins/Stats/deluge_stats/tests/test_stats.py

@@ -6,7 +6,6 @@
 import pytest
 import pytest_twisted
 from twisted.internet import defer
-from twisted.trial import unittest
 
 import deluge.component as component
 from deluge.common import fsize, fspeed
@@ -38,7 +37,7 @@ class TestStatsPlugin:
     def test_client_totals(self):
         plugins = yield client.core.get_available_plugins()
         if 'Stats' not in plugins:
-            raise unittest.SkipTest('WebUi plugin not available for testing')
+            pytest.skip('Stats plugin not available for testing')
 
         totals = yield client.stats.get_totals()
         assert totals['total_upload'] == 0
@@ -51,7 +50,7 @@ class TestStatsPlugin:
     def test_session_totals(self):
         plugins = yield client.core.get_available_plugins()
         if 'Stats' not in plugins:
-            raise unittest.SkipTest('WebUi plugin not available for testing')
+            pytest.skip('Stats plugin not available for testing')
 
         totals = yield client.stats.get_session_totals()
         assert totals['total_upload'] == 0

deluge/plugins/WebUi/deluge_webui/tests/test_plugin_webui.py

@@ -7,7 +7,6 @@
 #
 import pytest
 import pytest_twisted
-from twisted.trial import unittest
 
 import deluge.component as component
 from deluge.core.core import Core
@@ -36,7 +35,7 @@ class TestWebUIPlugin:
 
     def test_enable_webui(self):
         if 'WebUi' not in self.core.get_available_plugins():
-            raise unittest.SkipTest('WebUi plugin not available for testing')
+            pytest.skip('WebUi plugin not available for testing')
 
         d = self.core.enable_plugin('WebUi')
 

deluge/tests/test_transfer.py

@@ -246,7 +246,6 @@ class TestDelugeTransferProtocol:
         assert rencode.dumps(self.msg1) == rencode.dumps(message3)
 
     # Remove underscore to enable test, or run the test directly:
-    # tests $ trial test_transfer.DelugeTransferProtocolTestCase._test_rencode_fail_protocol
     def _test_rencode_fail_protocol(self):
         """
         This test tries to test the protocol that relies on errors from rencode.

deluge/ui/gtk3/gtkui.py

@@ -29,7 +29,7 @@ try:
     # Install twisted reactor, before any other modules import reactor.
     reactor = gtk3reactor.install()
 except ReactorAlreadyInstalledError:
-    # Running unit tests so trial already installed a rector
+    # Running unit tests so already installed a rector
     from twisted.internet import reactor
 
 # isort:imports-firstparty

docs/source/contributing/testing.md

@@ -1,10 +1,6 @@
 # Running tests
 
-Deluge testing is implemented using Trial which is Twisted's testing framework
+Testing uses [PyTest] framework and [PyTest-Twisted] to handle Twisted framework.
-and an extension of Python's unittest.
-
-See Twisted website for documentation on [Twisted Trial](http://twistedmatrix.com/trac/wiki/TwistedTrial)
-and [Writing tests using Trial](http://twistedmatrix.com/documents/current/core/howto/testing.html).
 
 ## Testing
 
@@ -12,16 +8,6 @@ The tests are located in the source folder under `deluge/tests`.
 The tests are run from the project root directory.
 View the unit test coverage at: [deluge-torrent.github.io](http://deluge-torrent.github.io)
 
-### Trial
-
-Here are some examples that show running all the tests through to selecting an
-individual test.
-
-    trial deluge
-    trial deluge.tests.test_client
-    trial deluge.tests.test_client.ClientTestCase
-    trial deluge.tests.test_client.ClientTestCase.test_connect_localclient
-
 ### Pytest
 
     pytest deluge/tests
@@ -41,7 +27,6 @@ All the tests for Deluge can be run using [Tox](https://pypi.python.org/pypi/tox
 ### See available targets:
 
     tox -l
-    py27
     py3
     lint
     docs
@@ -54,11 +39,12 @@ All the tests for Deluge can be run using [Tox](https://pypi.python.org/pypi/tox
 
     tox -e lint
 
-## Travis CI
+## CI
 
-Deluge develop branch is tested automatically by [Travis].
+Deluge develop branch is tested automatically by GitHub actions.
-When creating a pull request (PR) on [github], Travis will automatically run
+
-the unit tests with the code in the PR.
+When creating a pull request (PR) on [github], units tests will be automatically be run.
 
-[travis]: https://travis-ci.org/deluge-torrent/deluge
 [github]: https://github.com/deluge-torrent/deluge/pulls
+[pytest]: https://docs.pytest.org/en/
+[pytest-twisted]: https://github.com/pytest-dev/pytest-twisted

tox.ini

@@ -81,12 +81,6 @@ commands = pytest -m "gtkui" deluge/tests
 [testenv:todo]
 commands = pytest -m "todo" deluge/tests
 
-[testenv:trial]
-setenv = {[testenv]setenv}{:}{toxinidir}/deluge/tests
-commands =
-    python -c "import libtorrent as lt; print(lt.__version__)"
-    python -m twisted.trial --reporter=deluge-reporter deluge.tests
-
 [testenv:plugins]
 setenv = PYTHONPATH = {toxinidir}{:}{toxinidir}/deluge/plugins
 commands =