Exemple #1
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    def test_select_reader(self):
        filename = FileFormat.locate("iris.tab", dataset_dirs)

        # a setting which adds a new qualified name to the reader combo
        no_class = RecentPath(filename, None, None, file_format="not.a.file.reader.class")
        self.widget = self.create_widget(OWFile,
                                         stored_settings={"recent_paths": [no_class]})
        self.widget.load_data()
        len_with_qname = len(self.widget.reader_combo)
        self.assertEqual(self.widget.reader_combo.currentText(), "not.a.file.reader.class")
        self.assertEqual(self.widget.reader, None)

        # select the last option, the same reader
        self.widget.reader_combo.activated.emit(len_with_qname - 1)
        self.assertEqual(len(self.widget.reader_combo), len_with_qname)
        self.assertEqual(self.widget.reader_combo.currentText(), "not.a.file.reader.class")
        self.assertEqual(self.widget.reader, None)

        # select the tab reader
        for i in range(len_with_qname):
            text = self.widget.reader_combo.itemText(i)
            if text.startswith("Tab-separated"):
                break
        self.widget.reader_combo.activated.emit(i)
        self.assertEqual(len(self.widget.reader_combo), len_with_qname - 1)
        self.assertTrue(self.widget.reader_combo.currentText().startswith("Tab-separated"))
        self.assertIsInstance(self.widget.reader, TabReader)

        # select the default reader
        self.widget.reader_combo.activated.emit(0)
        self.assertEqual(len(self.widget.reader_combo), len_with_qname - 1)
        self.assertEqual(self.widget.reader_combo.currentText(), DEFAULT_READER_TEXT)
        self.assertIsInstance(self.widget.reader, TabReader)
Exemple #2
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    def test_select_reader_errors(self):
        filename = FileFormat.locate("iris.tab", dataset_dirs)

        no_class = RecentPath(filename, None, None, file_format="Orange.data.io.ExcelReader")
        self.widget = self.create_widget(OWFile,
                                         stored_settings={"recent_paths": [no_class]})
        self.widget.load_data()
        self.assertIn("Excel", self.widget.reader_combo.currentText())
        self.assertTrue(self.widget.Error.unknown.is_shown())
        self.assertFalse(self.widget.Error.missing_reader.is_shown())
 def test_files_relocated_on_saved_workflow(self):
     tempdir = tempfile.mkdtemp()
     try:
         oiris = FileFormat.locate("iris.tab", dataset_dirs)
         ciris = os.path.join(tempdir, "iris.tab")
         shutil.copy(oiris, ciris)
         with patch("Orange.widgets.widget.OWWidget.workflowEnv",
                    Mock(return_value={"basedir": tempdir})):
             self.load_files(ciris)
             self.assertEqual(self.widget.recent_paths[0].relpath, "iris.tab")
     finally:
         shutil.rmtree(tempdir)
Exemple #4
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 def test_files_relocated_on_saved_workflow(self):
     tempdir = tempfile.mkdtemp()
     try:
         oiris = FileFormat.locate("iris.tab", dataset_dirs)
         ciris = os.path.join(tempdir, "iris.tab")
         shutil.copy(oiris, ciris)
         with patch("Orange.widgets.widget.OWWidget.workflowEnv",
                    Mock(return_value={"basedir": tempdir})):
             self.load_files(ciris)
             self.assertEqual(self.widget.recent_paths[0].relpath,
                              "iris.tab")
     finally:
         shutil.rmtree(tempdir)
    def load_files(self, *files, reader=None):
        files = [FileFormat.locate(name, dataset_dirs) for name in files]

        def open_with_no_specific_format(a, b, c, filters, e):
            return files, filters.split(";;")[0]

        def open_with_specific_format(a, b, c, filters, e):
            return files, format_filter(reader)

        patchfn = open_with_no_specific_format if reader is None else open_with_specific_format

        # pretend that files were chosen in the open dialog
        with patch("AnyQt.QtWidgets.QFileDialog.getOpenFileNames", patchfn):
            self.widget.browse_files()
Exemple #6
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    def load_files(self, *files, reader=None):
        files = [FileFormat.locate(name, dataset_dirs) for name in files]

        def open_with_no_specific_format(a, b, c, filters, e):
            return files, filters.split(";;")[0]

        def open_with_specific_format(a, b, c, filters, e):
            return files, format_filter(reader)

        patchfn = open_with_no_specific_format if reader is None else open_with_specific_format

        # pretend that files were chosen in the open dialog
        with patch("AnyQt.QtWidgets.QFileDialog.getOpenFileNames", patchfn):
            self.widget.browse_files()
 def test_missing_files_do_not_disappear(self):
     tempdir = tempfile.mkdtemp()
     try:
         oiris = FileFormat.locate("iris.tab", dataset_dirs)
         ciris = os.path.join(tempdir, "iris.tab")
         shutil.copy(oiris, ciris)
         self.load_files(ciris)
         settings = self.widget.settingsHandler.pack_data(self.widget)
     finally:
         shutil.rmtree(tempdir)
     self.widget = self.create_widget(OWMultifile, stored_settings=settings)
     assert not os.path.exists(ciris)
     self.assertEqual(1, len(self.widget.recent_paths))
     self.assertTrue(self.widget.Error.file_not_found.is_shown())
     self.assertIsNone(self.get_output(OWMultifile.Outputs.data))
     self.assertEqual("File not found.", self.widget.lb.item(0).toolTip())
     self.assertEqual(Qt.red, self.widget.lb.item(0).foreground())
Exemple #8
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 def test_missing_files_do_not_disappear(self):
     tempdir = tempfile.mkdtemp()
     try:
         oiris = FileFormat.locate("iris.tab", dataset_dirs)
         ciris = os.path.join(tempdir, "iris.tab")
         shutil.copy(oiris, ciris)
         self.load_files(ciris)
         settings = self.widget.settingsHandler.pack_data(self.widget)
     finally:
         shutil.rmtree(tempdir)
     self.widget = self.create_widget(OWMultifile, stored_settings=settings)
     assert not os.path.exists(ciris)
     self.assertEqual(1, len(self.widget.recent_paths))
     self.assertTrue(self.widget.Error.file_not_found.is_shown())
     self.assertIsNone(self.get_output(OWMultifile.Outputs.data))
     self.assertEqual("File not found.", self.widget.lb.item(0).toolTip())
     self.assertEqual(Qt.red, self.widget.lb.item(0).foreground())
Exemple #9
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 def open_dataset(self, name):
     filename = FileFormat.locate(name, dataset_dirs)
     self.widget.add_path(filename)
     self.widget.load_data()
Exemple #10
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 def open_dataset(self, name):
     filename = FileFormat.locate(name, dataset_dirs)
     self.widget.add_path(filename)
     self.widget.load_data()
Exemple #11
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 def load_files(self, *files):
     files = [FileFormat.locate(name, dataset_dirs) for name in files]
     self.widget.load_files(files)
 def locate_dataset(fn):
     return FileFormat.locate(fn, dataset_dirs)