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[FIX] Select Rows: None on output when no data #2726

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merged 2 commits into from
Nov 10, 2017
Merged

[FIX] Select Rows: None on output when no data #2726

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2d1853a
Select Rows: None on output when no data
jerneju Oct 30, 2017
10eeb95
OWSelectRows: Minor refactoring
janezd Oct 31, 2017
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5 changes: 5 additions & 0 deletions Orange/widgets/data/owselectrows.py
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Original file line number Diff line number Diff line change
Expand Up @@ -530,6 +530,11 @@ def commit(self):
matching_output = remover(matching_output)
non_matching_output = remover(non_matching_output)

if matching_output is not None and not len(matching_output):
matching_output = None
if non_matching_output is not None and not len(non_matching_output):
non_matching_output = None

self.Outputs.matching_data.send(matching_output)
self.Outputs.unmatched_data.send(non_matching_output)

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17 changes: 17 additions & 0 deletions Orange/widgets/data/tests/test_owselectrows.py
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Original file line number Diff line number Diff line change
Expand Up @@ -242,3 +242,20 @@ def widget_with_context(self, domain, conditions):
settings = dict(context_settings=[context])

return self.create_widget(OWSelectRows, settings)

def test_output_filter(self):
"""
None on output when there is no data.
GH-2726
"""
data = Table("iris")[:10]
len_data = len(data)
self.send_signal(self.widget.Inputs.data, data)

self.enterFilter(data.domain[0], "is below", "-1")
self.assertIsNone(self.get_output("Matching Data"))
self.assertEqual(len(self.get_output("Unmatched Data")), len_data)
self.widget.remove_all_button.click()
self.enterFilter(data.domain[0], "is below", "10")
self.assertIsNone(self.get_output("Unmatched Data"))
self.assertEqual(len(self.get_output("Matching Data")), len_data)