Added tests and removed unnecessary imports

Author: lenatr99

orangecontrib/single_cell/tests/test_owspatialautocorrelation.py

@@ -0,0 +1,50 @@
+import unittest
+from Orange.data import Table
+from Orange.widgets.tests.base import WidgetTest
+from orangecontrib.single_cell.widgets.owspatialautocorrelation import OWSpatialAutocorrelation
+from Orange.widgets.utils.concurrent import TaskState
+
+
+class TestOWSpatialAutocorrelation(WidgetTest):
+    def setUp(self):
+        self.widget = self.create_widget(OWSpatialAutocorrelation)
+        
+    def test_input_data(self):
+        data = Table("iris")
+        self.widget.set_data(data)
+        self.assertEqual(self.widget.data, data)
+
+    def test_feature_selection(self):
+        data = Table("iris")
+        self.widget.set_data(data)
+        self.widget.feature_x_combo.setCurrentIndex(1)
+        self.widget.feature_y_combo.setCurrentIndex(2)
+        self.assertEqual(self.widget.feature_x, "sepal width")
+        self.assertEqual(self.widget.feature_y, "petal length")
+
+    def test_method_selection(self):
+        self.widget.method = "Geary C"
+        self.assertEqual(self.widget.method, "Geary C")
+
+    def test_k_neighbors_input(self):
+        self.widget.k_input.setText("10")
+        self.widget._on_k_changed()
+        self.assertEqual(self.widget.k_neighbors, 10)
+
+    def test_auto_commit(self):
+        self.widget.auto_commit = False
+        self.assertFalse(self.widget.auto_commit)
+
+    def test_calculate(self):
+        data = Table("iris")
+        self.widget.set_data(data)
+        self.widget.feature_x_combo.setCurrentIndex(0)
+        self.widget.feature_y_combo.setCurrentIndex(1)
+        self.widget.k_input.setText("5")
+        self.widget._on_k_changed()
+        self.widget.calculate(TaskState())
+        self.assertIsNotNone(self.widget.adjacency_matrix)
+
+
+if __name__ == "__main__":
+    unittest.main()

orangecontrib/single_cell/widgets/owspatialautocorrelation.py

@@ -5,11 +5,11 @@
 
 from AnyQt.QtCore import Qt
 from AnyQt.QtGui import QIntValidator
-from AnyQt.QtWidgets import QApplication, QComboBox, QVBoxLayout, QWidget, QLineEdit
+from AnyQt.QtWidgets import QApplication, QComboBox, QLineEdit
 
 from Orange.data import Table, ContinuousVariable
 from Orange.widgets import gui
-from Orange.widgets.settings import ContextSetting, Setting, DomainContextHandler
+from Orange.widgets.settings import Setting, DomainContextHandler
 from Orange.widgets.widget import Input, Output, Msg, OWWidget
 from Orange.preprocess import score
 from Orange.widgets.utils.concurrent import ConcurrentWidgetMixin, TaskState