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)
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)
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()
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())
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())
def open_dataset(self, name):
filename = FileFormat.locate(name, dataset_dirs)
self.widget.add_path(filename)
self.widget.load_data()
def open_dataset(self, name):
filename = FileFormat.locate(name, dataset_dirs)
self.widget.add_path(filename)
self.widget.load_data()
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)