def test_one_stack_frame(self):
"""Ensure it does nothing when there's only one stack frame"""
stack = '\n'.join([
'random', '#0 0x3 test0', '#1 0x2 test2', '#2 0x1 test1',
'#3 0x0 test0', 'random'
])
self.assertEqual(show.highlight_common_stack_frames(stack), stack)
def test_highlight(self):
"""Ensure it highlights the last 3 lines of the first two crash stacks."""
stack = '\n'.join([
'random', '#0 0x3 test0', '#1 0x2 test2', '#2 0x1 test1',
'#3 0x0 test0', 'random', '#0 0x4 test4', '#1 0x2 test2',
'#2 0x1 test1', '#3 0x0 test0', 'random', '#0 0x5 test5',
'#1 0x2 test2', '#2 0x1 test1', '#3 0x0 test0'
])
expected = '\n'.join([
'random', '#0 0x3 test0', '<b>#1 0x2 test2</b>', '<b>#2 0x1 test1</b>',
'<b>#3 0x0 test0</b>', 'random', '#0 0x4 test4', '<b>#1 0x2 test2</b>',
'<b>#2 0x1 test1</b>', '<b>#3 0x0 test0</b>', 'random', '#0 0x5 test5',
'#1 0x2 test2', '#2 0x1 test1', '#3 0x0 test0'
])
self.assertEqual(show.highlight_common_stack_frames(stack), expected)
