Data Sampler: Test send_report

Author: janezd

Orange/widgets/data/owdatasampler.py

@@ -336,7 +336,9 @@ def send_report(self):
         elif self.sampling_type == self.CrossValidation:
             tpe = f"{self.number_of_folds}-fold cross-validation " \
                   f"without subset #{self.selectedFold}"
-        else:
+        elif self.sampling_type == self.Bootstrap:
+            tpe = "Bootstrap"
+        else:  # pragma: no cover
             tpe = "Undefined"  # should not come here at all
         if self.stratify:
             tpe += ", stratified (if possible)"

Orange/widgets/data/tests/test_owdatasampler.py

@@ -192,6 +192,39 @@ def test_cv_output_migration(self):
         self.assertEqual(len(self.get_output(w.Outputs.data_sample)), 15)
         self.assertEqual(len(self.get_output(w.Outputs.remaining_data)), 135)
 
+    def test_send_report(self):
+        w = self.widget
+        self.send_signal(w.Inputs.data, self.iris)
+
+        w.stratify = True
+        w.use_seed = True
+
+        self.select_sampling_type(0)
+        w.commit()
+        w.send_report()
+
+        self.select_sampling_type(1)
+        w.sampleSizeNumber = 1
+        w.commit()
+        w.send_report()
+
+        w.sampleSizeNumber = 10
+        w.replacement = False
+        w.commit()
+        w.send_report()
+
+        w.replacement = True
+        w.commit()
+        w.send_report()
+
+        self.select_sampling_type(2)
+        w.commit()
+        w.send_report()
+
+        self.select_sampling_type(3)
+        w.commit()
+        w.send_report()
+
 
 if __name__ == "__main__":
     unittest.main()