[tests] add pytest for core.widget

see #642

pytests/core/test_widget.py

@@ -0,0 +1,97 @@
+import pytest
+
+import core.widget
+import core.module
+import core.config
+
+
+class SampleModule(core.module.Module):
+    def __init__(self, widgets, config=core.config.Config([]), theme=None):
+        super().__init__(config, theme, widgets)
+        self.states = []
+
+    def update(self):
+        if self.fail:
+            raise Exception(self.error)
+        pass
+
+    def state(self, widget):
+        return self.states
+
+@pytest.fixture
+def widget_a():
+    return core.widget.Widget("some random value")
+
+#class widget(unittest.TestCase):
+#    def setUp(self):
+#        self.someValue = "some random value"
+#        self.someOtherValue = "some different value"
+#        self.callbackReturnValue = "callback return value"
+#        self.someWidget = core.widget.Widget(full_text=self.someValue)
+#        self.someCallback = unittest.mock.MagicMock(
+#            return_value=self.callbackReturnValue
+#        )
+#
+#        self.assertNotEqual(self.someValue, self.someOtherValue)
+
+def test_text_fulltext():
+    widget = core.widget.Widget(full_text="this is some value")
+    assert widget.full_text() == "this is some value"
+
+def test_set_fulltext(widget_a):
+    assert widget_a.full_text() != "new value"
+    widget_a.full_text("new value")
+    assert widget_a.full_text() == "new value"
+
+def test_callable_fulltext(mocker):
+    callback = mocker.MagicMock(return_value="callback returns")
+    widget = core.widget.Widget(full_text=callback)
+    assert widget.full_text() == "callback returns"
+    callback.assert_called_once_with(widget)
+
+def test_set_callable_fulltext(mocker, widget_a):
+    callback = mocker.MagicMock(return_value="this is a test")
+    widget_a.full_text(callback)
+    assert widget_a.full_text() == "this is a test"
+    callback.assert_called_once_with(widget_a)
+
+def test_state_defaults_to_empty(widget_a):
+    assert widget_a.state() == []
+
+def test_single_widget_state(widget_a):
+    widget_a.set("state", "state1")
+    assert widget_a.state() == ["state1"]
+
+def test_multiple_widget_states(widget_a):
+    widget_a.set("state", ["state1", "state2"])
+    assert widget_a.state() == ["state1", "state2"]
+
+def test_widget_module_state(widget_a):
+    module = SampleModule(widgets=widget_a)
+    widget_a.set("state", ["state1", "state2"])
+
+    module.states = "x"
+    assert widget_a.state() == ["state1", "state2", "x"]
+
+    module.states = ["a", "b"]
+    assert widget_a.state() == ["state1", "state2", "a", "b"]
+
+def test_multiple_widget_themes():
+    widget1 = core.widget.Widget(full_text="a")
+    widget2 = core.widget.Widget(full_text="b")
+    widget3 = core.widget.Widget(full_text="c")
+
+    module = SampleModule(widgets=[widget1, widget2, widget3])
+    module.set("theme.test", "1,2,3")
+    module.set("theme.test2", "x")
+
+    assert widget1.theme("test") == "1"
+    assert widget2.theme("test") == "2"
+    assert widget3.theme("test") == "3"
+
+    assert widget1.theme("test2") == "x"
+    assert widget2.theme("test2") == None
+    assert widget3.theme("test2") == None
+
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4