|
| 1 | +from itertools import chain |
| 2 | +import unittest |
| 3 | +from unittest.mock import Mock |
| 4 | +from queue import Queue |
| 5 | + |
| 6 | +from AnyQt.QtGui import QStandardItem |
| 7 | + |
| 8 | +from Orange.data import Table |
| 9 | +from Orange.widgets.visualize.utils import ( |
| 10 | + VizRankDialog, Result, run_vizrank, QueuedScore |
| 11 | +) |
| 12 | +from Orange.widgets.tests.base import WidgetTest |
| 13 | + |
| 14 | + |
| 15 | +def compute_score(x): |
| 16 | + return (x[0] + 1) / (x[1] + 1) |
| 17 | + |
| 18 | + |
| 19 | +class TestRunner(unittest.TestCase): |
| 20 | + @classmethod |
| 21 | + def setUpClass(cls): |
| 22 | + cls.data = Table("iris") |
| 23 | + |
| 24 | + def test_Result(self): |
| 25 | + res = Result(queue=Queue(), scores=[]) |
| 26 | + self.assertIsInstance(res.queue, Queue) |
| 27 | + self.assertIsInstance(res.scores, list) |
| 28 | + |
| 29 | + def test_run_vizrank(self): |
| 30 | + scores, task = [], Mock() |
| 31 | + # run through all states |
| 32 | + task.is_interruption_requested.return_value = False |
| 33 | + states = [(0, 1), (0, 2), (0, 3), (1, 2), (1, 3), (2, 3)] |
| 34 | + res = run_vizrank(compute_score, chain(states), scores, task) |
| 35 | + |
| 36 | + next_state = self.assertQueueEqual( |
| 37 | + res.queue, [0, 0, 0, 3, 2, 5], compute_score, |
| 38 | + states, states[1:] + [None]) |
| 39 | + self.assertIsNone(next_state) |
| 40 | + res_scores = sorted([compute_score(x) for x in states]) |
| 41 | + self.assertListEqual(res.scores, res_scores) |
| 42 | + self.assertIsNot(scores, res.scores) |
| 43 | + self.assertEqual(task.set_partial_result.call_count, 6) |
| 44 | + |
| 45 | + def test_run_vizrank_interrupt(self): |
| 46 | + scores, task = [], Mock() |
| 47 | + # interrupt calculation in third iteration |
| 48 | + task.is_interruption_requested.side_effect = lambda: \ |
| 49 | + True if task.is_interruption_requested.call_count > 2 else False |
| 50 | + states = [(0, 1), (0, 2), (0, 3), (1, 2), (1, 3), (2, 3)] |
| 51 | + res = run_vizrank(compute_score, chain(states), scores, task) |
| 52 | + |
| 53 | + next_state = self.assertQueueEqual( |
| 54 | + res.queue, [0, 0], compute_score, states[:2], states[1:3]) |
| 55 | + self.assertEqual(next_state, (0, 3)) |
| 56 | + res_scores = sorted([compute_score(x) for x in states[:2]]) |
| 57 | + self.assertListEqual(res.scores, res_scores) |
| 58 | + self.assertIsNot(scores, res.scores) |
| 59 | + self.assertEqual(task.set_partial_result.call_count, 2) |
| 60 | + |
| 61 | + # continue calculation through all states |
| 62 | + task.is_interruption_requested.side_effect = lambda: False |
| 63 | + i = states.index(next_state) |
| 64 | + res = run_vizrank(compute_score, chain(states[i:]), res_scores, task) |
| 65 | + |
| 66 | + next_state = self.assertQueueEqual( |
| 67 | + res.queue, [0, 3, 2, 5], compute_score, states[2:], |
| 68 | + states[3:] + [None]) |
| 69 | + self.assertIsNone(next_state) |
| 70 | + res_scores = sorted([compute_score(x) for x in states]) |
| 71 | + self.assertListEqual(res.scores, res_scores) |
| 72 | + self.assertIsNot(scores, res.scores) |
| 73 | + self.assertEqual(task.set_partial_result.call_count, 6) |
| 74 | + |
| 75 | + def assertQueueEqual(self, queue, positions, f, states, next_states): |
| 76 | + self.assertIsInstance(queue, Queue) |
| 77 | + for qs in (QueuedScore(position=p, score=f(s), state=s, next_state=ns) |
| 78 | + for p, s, ns in zip(positions, states, next_states)): |
| 79 | + result = queue.get_nowait() |
| 80 | + self.assertEqual(result.position, qs.position) |
| 81 | + self.assertEqual(result.state, qs.state) |
| 82 | + self.assertEqual(result.next_state, qs.next_state) |
| 83 | + self.assertEqual(result.score, qs.score) |
| 84 | + next_state = result.next_state |
| 85 | + return next_state |
| 86 | + |
| 87 | + |
| 88 | +class TestVizRankDialog(WidgetTest): |
| 89 | + def test_on_partial_result(self): |
| 90 | + def iterate_states(initial_state): |
| 91 | + if initial_state is not None: |
| 92 | + return chain(states[states.index(initial_state):]) |
| 93 | + return chain(states) |
| 94 | + |
| 95 | + def invoke_on_partial_result(): |
| 96 | + widget.on_partial_result(run_vizrank( |
| 97 | + widget.compute_score, |
| 98 | + widget.iterate_states(widget.saved_state), |
| 99 | + widget.scores, task |
| 100 | + )) |
| 101 | + |
| 102 | + task = Mock() |
| 103 | + states = [(0, 1), (0, 2), (0, 3), (1, 2), (1, 3), (2, 3)] |
| 104 | + |
| 105 | + widget = VizRankDialog(None) |
| 106 | + widget.progressBarInit() |
| 107 | + widget.compute_score = compute_score |
| 108 | + widget.iterate_states = iterate_states |
| 109 | + widget.row_for_state = lambda sc, _: [QStandardItem(str(sc))] |
| 110 | + |
| 111 | + # interrupt calculation in third iteration |
| 112 | + task.is_interruption_requested.side_effect = lambda: \ |
| 113 | + True if task.is_interruption_requested.call_count > 2 else False |
| 114 | + invoke_on_partial_result() |
| 115 | + self.assertEqual(widget.rank_model.rowCount(), 2) |
| 116 | + for row, score in enumerate( |
| 117 | + sorted([compute_score(x) for x in states[:2]])): |
| 118 | + self.assertEqual(widget.rank_model.item(row, 0).text(), str(score)) |
| 119 | + self.assertEqual(widget.saved_progress, 2) |
| 120 | + |
| 121 | + # continue calculation through all states |
| 122 | + task.is_interruption_requested.side_effect = lambda: False |
| 123 | + invoke_on_partial_result() |
| 124 | + self.assertEqual(widget.rank_model.rowCount(), 6) |
| 125 | + for row, score in enumerate( |
| 126 | + sorted([compute_score(x) for x in states])): |
| 127 | + self.assertEqual(widget.rank_model.item(row, 0).text(), str(score)) |
| 128 | + self.assertEqual(widget.saved_progress, 6) |
| 129 | + |
| 130 | + |
| 131 | +if __name__ == "__main__": |
| 132 | + unittest.main() |
0 commit comments