Add pylint-leaks to test for resource leaks

Author: linuxdaemon

.travis.yml

@@ -13,7 +13,7 @@ install:
 script:
   - "python ./travis/test_json.py"
   - "git diff --diff-filter=d --name-only ${TRAVIS_COMMIT_RANGE} | grep -i '\\.py$' | xargs -r pylint --rcfile=travis/pylintrc"
-  - "py.test . -v --cov . --cov-report term-missing"
+  - "py.test . -R : -v --cov . --cov-report term-missing"
 
 after_success:
   - "coveralls"

tests/core_tests/test_plugin_hooks.py

@@ -26,7 +26,9 @@ def gather_plugins():
 
 
 def load_plugin(plugin_path, monkeypatch):
-    monkeypatch.setattr('cloudbot.plugin.Hook.original_init', Hook.__init__, raising=False)
+    if not hasattr(Hook, "original_init"):
+        monkeypatch.setattr('cloudbot.plugin.Hook.original_init', Hook.__init__, raising=False)
+
     monkeypatch.setattr('cloudbot.plugin.Hook.__init__', patch_hook_init)
 
     monkeypatch.setattr('cloudbot.util.database.metadata', MetaData())

travis/requirements.txt

@@ -2,6 +2,7 @@ pytest
 responses
 pytest-cov
 pytest-pep8
+pytest-leaks
 flake8
 python-coveralls
 pylint