add tests for solaar.py

tests/modules/contrib/test_solaar.py

@@ -0,0 +1,32 @@
+import pytest
+
+import util.cli
+import core.config
+import modules.contrib.solaar
+
+
+@pytest.fixture
+def module():
+    module = modules.contrib.solaar.Module(
+        config=core.config.Config([]),
+        theme=None
+    )
+
+    yield module
+
+
+def test_load_module():
+    __import__("modules.contrib.solaar")
+
+
+def test_with_unknown_code(module, mocker):
+    mocker.patch('util.cli.execute', return_value=(99, 'error'))
+    logger = mocker.patch('logging.error')
+
+    module.update()
+
+    logger.assert_called_with('solaar exited with {}: {}'.format(99, 'error'))
+
+    widget = module.widget()
+    assert module.state(widget) == 'warning'
+    assert module.hidden() == False