OWImportDocuments: add unittests

orangecontrib/text/widgets/tests/data/sample_txt.txt

@@ -0,0 +1 @@
+This is a test txt file

orangecontrib/text/widgets/tests/test_owimportdocuments.py

@@ -0,0 +1,75 @@
+import os
+import unittest
+
+from Orange.widgets.tests.base import WidgetTest
+from orangecontrib.text.widgets.owimportdocuments import OWImportDocuments
+
+
+class TestOWImportDocuments(WidgetTest):
+    def setUp(self) -> None:
+        self.widget: OWImportDocuments = self.create_widget(OWImportDocuments)
+        path = os.path.join(os.path.dirname(__file__), "data")
+        self.widget.setCurrentPath(path)
+        self.widget.reload()
+        self.wait_until_finished()
+
+    def test_current_path(self):
+        path = os.path.join(os.path.dirname(__file__), "data")
+        self.assertEqual(path, self.widget.currentPath)
+
+    def test_output(self):
+        output = self.get_output(self.widget.Outputs.data)
+        self.assertEqual(4, len(output))
+        self.assertEqual(3, len(output.domain.metas))
+        names = output.get_column_view("name")[0]
+        self.assertListEqual(
+            ["sample_docx", "sample_odt", "sample_pdf", "sample_txt"],
+            sorted(names.tolist()),
+        )
+        texts = output.get_column_view("content")[0]
+        self.assertListEqual(
+            [
+                f"This is a test {x} file"
+                for x in ["docx", "odt", "pdf", "txt"]
+            ],
+            sorted([x.strip() for x in texts.tolist()]),
+        )
+        self.assertEqual("content", output.text_features[0].name)
+
+        skipped_output = self.get_output(self.widget.Outputs.skipped_documents)
+        self.assertEqual(1, len(skipped_output))
+        self.assertEqual(2, len(skipped_output.domain.metas))
+        names = skipped_output.get_column_view("name")[0]
+        self.assertListEqual(
+            ["sample_pdf_corrupted.pdf"],
+            sorted(names.tolist()),
+        )
+
+    def test_could_not_be_read_warning(self):
+        """
+        sample_pdf_corrupted.pdf is corrupted file and cannot be loaded
+        correctly - widget must show the warning
+        """
+        self.assertTrue(self.widget.Warning.read_error.is_shown())
+        self.assertEqual(
+            "One file couldn't be read.",
+            str(self.widget.Warning.read_error),
+        )
+
+    def test_send_report(self):
+        self.widget.send_report()
+
+    def test_info_box(self):
+        self.assertEqual(
+            "4 documents, 1 skipped", self.widget.info_area.text()
+        )
+
+        # empty widget
+        self.widget: OWImportDocuments = self.create_widget(OWImportDocuments)
+        self.assertEqual(
+            "No document set selected", self.widget.info_area.text()
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()