def test_snapshot_group_by_line(self):
snapshot, snapshot2 = create_snapshots()
tb_0 = traceback_lineno('<unknown>', 0)
tb_a_2 = traceback_lineno('a.py', 2)
tb_a_5 = traceback_lineno('a.py', 5)
tb_b_1 = traceback_lineno('b.py', 1)
tb_c_578 = traceback_lineno('c.py', 578)
# stats per file and line
stats1 = snapshot.statistics('lineno')
self.assertEqual(stats1, [
tracemalloc.Statistic(tb_b_1, 66, 1),
tracemalloc.Statistic(tb_a_2, 30, 3),
tracemalloc.Statistic(tb_0, 7, 1),
tracemalloc.Statistic(tb_a_5, 2, 1),
])
# stats per file and line (2)
stats2 = snapshot2.statistics('lineno')
self.assertEqual(stats2, [
tracemalloc.Statistic(tb_a_5, 5002, 2),
tracemalloc.Statistic(tb_c_578, 400, 1),
tracemalloc.Statistic(tb_a_2, 30, 3),
])
# stats diff per file and line
statistics = snapshot2.compare_to(snapshot, 'lineno')
self.assertEqual(statistics, [
tracemalloc.StatisticDiff(tb_a_5, 5002, 5000, 2, 1),
tracemalloc.StatisticDiff(tb_c_578, 400, 400, 1, 1),
tracemalloc.StatisticDiff(tb_b_1, 0, -66, 0, -1),
tracemalloc.StatisticDiff(tb_0, 0, -7, 0, -1),
tracemalloc.StatisticDiff(tb_a_2, 30, 0, 3, 0),
])
def test_snapshot_group_by_file(self):
snapshot, snapshot2 = create_snapshots()
tb_0 = traceback_filename('<unknown>')
tb_a = traceback_filename('a.py')
tb_b = traceback_filename('b.py')
tb_c = traceback_filename('c.py')
# stats per file
stats1 = snapshot.statistics('filename')
self.assertEqual(stats1, [
tracemalloc.Statistic(tb_b, 66, 1),
tracemalloc.Statistic(tb_a, 32, 4),
tracemalloc.Statistic(tb_0, 7, 1),
])
# stats per file (2)
stats2 = snapshot2.statistics('filename')
self.assertEqual(stats2, [
tracemalloc.Statistic(tb_a, 5032, 5),
tracemalloc.Statistic(tb_c, 400, 1),
])
# stats diff per file
diff = snapshot2.compare_to(snapshot, 'filename')
self.assertEqual(diff, [
tracemalloc.StatisticDiff(tb_a, 5032, 5000, 5, 1),
tracemalloc.StatisticDiff(tb_c, 400, 400, 1, 1),
tracemalloc.StatisticDiff(tb_b, 0, -66, 0, -1),
tracemalloc.StatisticDiff(tb_0, 0, -7, 0, -1),
])
def test_snapshot_group_by_traceback(self):
snapshot, snapshot2 = create_snapshots()
tb1 = traceback(('a.py', 2), ('b.py', 4))
tb2 = traceback(('a.py', 5), ('b.py', 4))
tb3 = traceback(('b.py', 1))
tb4 = traceback(('<unknown>', 0))
stats1 = snapshot.statistics('traceback')
self.assertEqual(stats1, [
tracemalloc.Statistic(tb3, 66, 1),
tracemalloc.Statistic(tb1, 30, 3),
tracemalloc.Statistic(tb4, 7, 1),
tracemalloc.Statistic(tb2, 2, 1)
])
tb5 = traceback(('c.py', 578))
stats2 = snapshot2.statistics('traceback')
self.assertEqual(stats2, [
tracemalloc.Statistic(tb2, 5002, 2),
tracemalloc.Statistic(tb5, 400, 1),
tracemalloc.Statistic(tb1, 30, 3)
])
diff = snapshot2.compare_to(snapshot, 'traceback')
self.assertEqual(diff, [
tracemalloc.StatisticDiff(tb2, 5002, 5000, 2, 1),
tracemalloc.StatisticDiff(tb5, 400, 400, 1, 1),
tracemalloc.StatisticDiff(tb3, 0, -66, 0, -1),
tracemalloc.StatisticDiff(tb4, 0, -7, 0, -1),
tracemalloc.StatisticDiff(tb1, 30, 0, 3, 0)
])
self.assertRaises(ValueError,
snapshot.statistics,
'traceback',
cumulative=True)