mirror of
https://github.com/python/cpython.git
synced 2025-07-24 11:44:31 +00:00
bpo-32416: Refactor tests for the f_lineno setter and add new tests. (#4991)
This commit is contained in:
Serhiy Storchaka
GitHub
parent
13a6c098c2
commit
53f9135667
1 changed files with 426 additions and 269 deletions
|
|
@ -5,6 +5,19 @@ import unittest
|
|||
import sys
|
||||
import difflib
|
||||
import gc
|
||||
from functools import wraps
|
||||
|
||||
class tracecontext:
|
||||
"""Contex manager that traces its enter and exit."""
|
||||
def __init__(self, output, value):
|
||||
self.output = output
|
||||
self.value = value
|
||||
|
||||
def __enter__(self):
|
||||
self.output.append(self.value)
|
||||
|
||||
def __exit__(self, *exc_info):
|
||||
self.output.append(-self.value)
|
||||
|
||||
# A very basic example. If this fails, we're in deep trouble.
|
||||
def basic():
|
||||
|
|
@ -541,14 +554,12 @@ class RaisingTraceFuncTestCase(unittest.TestCase):
|
|||
# command (aka. "Set next statement").
|
||||
|
||||
class JumpTracer:
|
||||
"""Defines a trace function that jumps from one place to another,
|
||||
with the source and destination lines of the jump being defined by
|
||||
the 'jump' property of the function under test."""
|
||||
"""Defines a trace function that jumps from one place to another."""
|
||||
|
||||
def __init__(self, function):
|
||||
def __init__(self, function, jumpFrom, jumpTo):
|
||||
self.function = function
|
||||
self.jumpFrom = function.jump[0]
|
||||
self.jumpTo = function.jump[1]
|
||||
self.jumpFrom = jumpFrom
|
||||
self.jumpTo = jumpTo
|
||||
self.done = False
|
||||
|
||||
def trace(self, frame, event, arg):
|
||||
|
|
@ -564,194 +575,6 @@ class JumpTracer:
|
|||
self.done = True
|
||||
return self.trace
|
||||
|
||||
# The first set of 'jump' tests are for things that are allowed:
|
||||
|
||||
def jump_simple_forwards(output):
|
||||
output.append(1)
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
|
||||
jump_simple_forwards.jump = (1, 3)
|
||||
jump_simple_forwards.output = [3]
|
||||
|
||||
def jump_simple_backwards(output):
|
||||
output.append(1)
|
||||
output.append(2)
|
||||
|
||||
jump_simple_backwards.jump = (2, 1)
|
||||
jump_simple_backwards.output = [1, 1, 2]
|
||||
|
||||
def jump_out_of_block_forwards(output):
|
||||
for i in 1, 2:
|
||||
output.append(2)
|
||||
for j in [3]: # Also tests jumping over a block
|
||||
output.append(4)
|
||||
output.append(5)
|
||||
|
||||
jump_out_of_block_forwards.jump = (3, 5)
|
||||
jump_out_of_block_forwards.output = [2, 5]
|
||||
|
||||
def jump_out_of_block_backwards(output):
|
||||
output.append(1)
|
||||
for i in [1]:
|
||||
output.append(3)
|
||||
for j in [2]: # Also tests jumping over a block
|
||||
output.append(5)
|
||||
output.append(6)
|
||||
output.append(7)
|
||||
|
||||
jump_out_of_block_backwards.jump = (6, 1)
|
||||
jump_out_of_block_backwards.output = [1, 3, 5, 1, 3, 5, 6, 7]
|
||||
|
||||
def jump_to_codeless_line(output):
|
||||
output.append(1)
|
||||
# Jumping to this line should skip to the next one.
|
||||
output.append(3)
|
||||
|
||||
jump_to_codeless_line.jump = (1, 2)
|
||||
jump_to_codeless_line.output = [3]
|
||||
|
||||
def jump_to_same_line(output):
|
||||
output.append(1)
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
|
||||
jump_to_same_line.jump = (2, 2)
|
||||
jump_to_same_line.output = [1, 2, 3]
|
||||
|
||||
# Tests jumping within a finally block, and over one.
|
||||
def jump_in_nested_finally(output):
|
||||
try:
|
||||
output.append(2)
|
||||
finally:
|
||||
output.append(4)
|
||||
try:
|
||||
output.append(6)
|
||||
finally:
|
||||
output.append(8)
|
||||
output.append(9)
|
||||
|
||||
jump_in_nested_finally.jump = (4, 9)
|
||||
jump_in_nested_finally.output = [2, 9]
|
||||
|
||||
def jump_infinite_while_loop(output):
|
||||
output.append(1)
|
||||
while 1:
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
|
||||
jump_infinite_while_loop.jump = (3, 4)
|
||||
jump_infinite_while_loop.output = [1, 3]
|
||||
|
||||
# The second set of 'jump' tests are for things that are not allowed:
|
||||
|
||||
def no_jump_too_far_forwards(output):
|
||||
try:
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
except ValueError as e:
|
||||
output.append('after' in str(e))
|
||||
|
||||
no_jump_too_far_forwards.jump = (3, 6)
|
||||
no_jump_too_far_forwards.output = [2, True]
|
||||
|
||||
def no_jump_too_far_backwards(output):
|
||||
try:
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
except ValueError as e:
|
||||
output.append('before' in str(e))
|
||||
|
||||
no_jump_too_far_backwards.jump = (3, -1)
|
||||
no_jump_too_far_backwards.output = [2, True]
|
||||
|
||||
# Test each kind of 'except' line.
|
||||
def no_jump_to_except_1(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except:
|
||||
e = sys.exc_info()[1]
|
||||
output.append('except' in str(e))
|
||||
|
||||
no_jump_to_except_1.jump = (2, 3)
|
||||
no_jump_to_except_1.output = [True]
|
||||
|
||||
def no_jump_to_except_2(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except ValueError:
|
||||
e = sys.exc_info()[1]
|
||||
output.append('except' in str(e))
|
||||
|
||||
no_jump_to_except_2.jump = (2, 3)
|
||||
no_jump_to_except_2.output = [True]
|
||||
|
||||
def no_jump_to_except_3(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except ValueError as e:
|
||||
output.append('except' in str(e))
|
||||
|
||||
no_jump_to_except_3.jump = (2, 3)
|
||||
no_jump_to_except_3.output = [True]
|
||||
|
||||
def no_jump_to_except_4(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except (ValueError, RuntimeError) as e:
|
||||
output.append('except' in str(e))
|
||||
|
||||
no_jump_to_except_4.jump = (2, 3)
|
||||
no_jump_to_except_4.output = [True]
|
||||
|
||||
def no_jump_forwards_into_block(output):
|
||||
try:
|
||||
output.append(2)
|
||||
for i in 1, 2:
|
||||
output.append(4)
|
||||
except ValueError as e:
|
||||
output.append('into' in str(e))
|
||||
|
||||
no_jump_forwards_into_block.jump = (2, 4)
|
||||
no_jump_forwards_into_block.output = [True]
|
||||
|
||||
def no_jump_backwards_into_block(output):
|
||||
try:
|
||||
for i in 1, 2:
|
||||
output.append(3)
|
||||
output.append(4)
|
||||
except ValueError as e:
|
||||
output.append('into' in str(e))
|
||||
|
||||
no_jump_backwards_into_block.jump = (4, 3)
|
||||
no_jump_backwards_into_block.output = [3, 3, True]
|
||||
|
||||
def no_jump_into_finally_block(output):
|
||||
try:
|
||||
try:
|
||||
output.append(3)
|
||||
x = 1
|
||||
finally:
|
||||
output.append(6)
|
||||
except ValueError as e:
|
||||
output.append('finally' in str(e))
|
||||
|
||||
no_jump_into_finally_block.jump = (4, 6)
|
||||
no_jump_into_finally_block.output = [3, 6, True] # The 'finally' still runs
|
||||
|
||||
def no_jump_out_of_finally_block(output):
|
||||
try:
|
||||
try:
|
||||
output.append(3)
|
||||
finally:
|
||||
output.append(5)
|
||||
output.append(6)
|
||||
except ValueError as e:
|
||||
output.append('finally' in str(e))
|
||||
|
||||
no_jump_out_of_finally_block.jump = (5, 1)
|
||||
no_jump_out_of_finally_block.output = [3, True]
|
||||
|
||||
# This verifies the line-numbers-must-be-integers rule.
|
||||
def no_jump_to_non_integers(output):
|
||||
try:
|
||||
|
|
@ -759,17 +582,6 @@ def no_jump_to_non_integers(output):
|
|||
except ValueError as e:
|
||||
output.append('integer' in str(e))
|
||||
|
||||
no_jump_to_non_integers.jump = (2, "Spam")
|
||||
no_jump_to_non_integers.output = [True]
|
||||
|
||||
def jump_across_with(output):
|
||||
with open(support.TESTFN, "wb") as fp:
|
||||
pass
|
||||
with open(support.TESTFN, "wb") as fp:
|
||||
pass
|
||||
jump_across_with.jump = (1, 3)
|
||||
jump_across_with.output = []
|
||||
|
||||
# This verifies that you can't set f_lineno via _getframe or similar
|
||||
# trickery.
|
||||
def no_jump_without_trace_function():
|
||||
|
|
@ -783,7 +595,7 @@ def no_jump_without_trace_function():
|
|||
raise
|
||||
else:
|
||||
# Something's wrong - the expected exception wasn't raised.
|
||||
raise RuntimeError("Trace-function-less jump failed to fail")
|
||||
raise AssertionError("Trace-function-less jump failed to fail")
|
||||
|
||||
|
||||
class JumpTestCase(unittest.TestCase):
|
||||
|
|
@ -797,61 +609,419 @@ class JumpTestCase(unittest.TestCase):
|
|||
"Expected: " + repr(expected) + "\n" +
|
||||
"Received: " + repr(received))
|
||||
|
||||
def run_test(self, func):
|
||||
tracer = JumpTracer(func)
|
||||
def run_test(self, func, jumpFrom, jumpTo, expected, error=None):
|
||||
tracer = JumpTracer(func, jumpFrom, jumpTo)
|
||||
sys.settrace(tracer.trace)
|
||||
output = []
|
||||
func(output)
|
||||
if error is None:
|
||||
func(output)
|
||||
else:
|
||||
with self.assertRaisesRegex(*error):
|
||||
func(output)
|
||||
sys.settrace(None)
|
||||
self.compare_jump_output(func.output, output)
|
||||
self.compare_jump_output(expected, output)
|
||||
|
||||
def test_01_jump_simple_forwards(self):
|
||||
self.run_test(jump_simple_forwards)
|
||||
def test_02_jump_simple_backwards(self):
|
||||
self.run_test(jump_simple_backwards)
|
||||
def test_03_jump_out_of_block_forwards(self):
|
||||
self.run_test(jump_out_of_block_forwards)
|
||||
def test_04_jump_out_of_block_backwards(self):
|
||||
self.run_test(jump_out_of_block_backwards)
|
||||
def test_05_jump_to_codeless_line(self):
|
||||
self.run_test(jump_to_codeless_line)
|
||||
def test_06_jump_to_same_line(self):
|
||||
self.run_test(jump_to_same_line)
|
||||
def test_07_jump_in_nested_finally(self):
|
||||
self.run_test(jump_in_nested_finally)
|
||||
def test_jump_infinite_while_loop(self):
|
||||
self.run_test(jump_infinite_while_loop)
|
||||
def test_08_no_jump_too_far_forwards(self):
|
||||
self.run_test(no_jump_too_far_forwards)
|
||||
def test_09_no_jump_too_far_backwards(self):
|
||||
self.run_test(no_jump_too_far_backwards)
|
||||
def test_10_no_jump_to_except_1(self):
|
||||
self.run_test(no_jump_to_except_1)
|
||||
def test_11_no_jump_to_except_2(self):
|
||||
self.run_test(no_jump_to_except_2)
|
||||
def test_12_no_jump_to_except_3(self):
|
||||
self.run_test(no_jump_to_except_3)
|
||||
def test_13_no_jump_to_except_4(self):
|
||||
self.run_test(no_jump_to_except_4)
|
||||
def test_14_no_jump_forwards_into_block(self):
|
||||
self.run_test(no_jump_forwards_into_block)
|
||||
def test_15_no_jump_backwards_into_block(self):
|
||||
self.run_test(no_jump_backwards_into_block)
|
||||
def test_16_no_jump_into_finally_block(self):
|
||||
self.run_test(no_jump_into_finally_block)
|
||||
def test_17_no_jump_out_of_finally_block(self):
|
||||
self.run_test(no_jump_out_of_finally_block)
|
||||
def test_18_no_jump_to_non_integers(self):
|
||||
self.run_test(no_jump_to_non_integers)
|
||||
def test_19_no_jump_without_trace_function(self):
|
||||
def jump_test(jumpFrom, jumpTo, expected, error=None):
|
||||
"""Decorator that creates a test that makes a jump
|
||||
from one place to another in the following code.
|
||||
"""
|
||||
def decorator(func):
|
||||
@wraps(func)
|
||||
def test(self):
|
||||
# +1 to compensate a decorator line
|
||||
self.run_test(func, jumpFrom+1, jumpTo+1, expected, error)
|
||||
return test
|
||||
return decorator
|
||||
|
||||
## The first set of 'jump' tests are for things that are allowed:
|
||||
|
||||
@jump_test(1, 3, [3])
|
||||
def test_jump_simple_forwards(output):
|
||||
output.append(1)
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
|
||||
@jump_test(2, 1, [1, 1, 2])
|
||||
def test_jump_simple_backwards(output):
|
||||
output.append(1)
|
||||
output.append(2)
|
||||
|
||||
@jump_test(3, 5, [2, 5])
|
||||
def test_jump_out_of_block_forwards(output):
|
||||
for i in 1, 2:
|
||||
output.append(2)
|
||||
for j in [3]: # Also tests jumping over a block
|
||||
output.append(4)
|
||||
output.append(5)
|
||||
|
||||
@jump_test(6, 1, [1, 3, 5, 1, 3, 5, 6, 7])
|
||||
def test_jump_out_of_block_backwards(output):
|
||||
output.append(1)
|
||||
for i in [1]:
|
||||
output.append(3)
|
||||
for j in [2]: # Also tests jumping over a block
|
||||
output.append(5)
|
||||
output.append(6)
|
||||
output.append(7)
|
||||
|
||||
@jump_test(1, 2, [3])
|
||||
def test_jump_to_codeless_line(output):
|
||||
output.append(1)
|
||||
# Jumping to this line should skip to the next one.
|
||||
output.append(3)
|
||||
|
||||
@jump_test(2, 2, [1, 2, 3])
|
||||
def test_jump_to_same_line(output):
|
||||
output.append(1)
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
|
||||
# Tests jumping within a finally block, and over one.
|
||||
@jump_test(4, 9, [2, 9])
|
||||
def test_jump_in_nested_finally(output):
|
||||
try:
|
||||
output.append(2)
|
||||
finally:
|
||||
output.append(4)
|
||||
try:
|
||||
output.append(6)
|
||||
finally:
|
||||
output.append(8)
|
||||
output.append(9)
|
||||
|
||||
@jump_test(6, 7, [2, 7], (ZeroDivisionError, ''))
|
||||
def test_jump_in_nested_finally_2(output):
|
||||
try:
|
||||
output.append(2)
|
||||
1/0
|
||||
return
|
||||
finally:
|
||||
output.append(6)
|
||||
output.append(7)
|
||||
output.append(8)
|
||||
|
||||
@jump_test(6, 11, [2, 11], (ZeroDivisionError, ''))
|
||||
def test_jump_in_nested_finally_3(output):
|
||||
try:
|
||||
output.append(2)
|
||||
1/0
|
||||
return
|
||||
finally:
|
||||
output.append(6)
|
||||
try:
|
||||
output.append(8)
|
||||
finally:
|
||||
output.append(10)
|
||||
output.append(11)
|
||||
output.append(12)
|
||||
|
||||
@jump_test(3, 4, [1, 4])
|
||||
def test_jump_infinite_while_loop(output):
|
||||
output.append(1)
|
||||
while True:
|
||||
output.append(3)
|
||||
output.append(4)
|
||||
|
||||
@jump_test(2, 3, [1, 3])
|
||||
def test_jump_forwards_out_of_with_block(output):
|
||||
with tracecontext(output, 1):
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
|
||||
@jump_test(3, 1, [1, 2, 1, 2, 3, -2])
|
||||
def test_jump_backwards_out_of_with_block(output):
|
||||
output.append(1)
|
||||
with tracecontext(output, 2):
|
||||
output.append(3)
|
||||
|
||||
@jump_test(2, 5, [5])
|
||||
def test_jump_forwards_out_of_try_finally_block(output):
|
||||
try:
|
||||
output.append(2)
|
||||
finally:
|
||||
output.append(4)
|
||||
output.append(5)
|
||||
|
||||
@jump_test(3, 1, [1, 1, 3, 5])
|
||||
def test_jump_backwards_out_of_try_finally_block(output):
|
||||
output.append(1)
|
||||
try:
|
||||
output.append(3)
|
||||
finally:
|
||||
output.append(5)
|
||||
|
||||
@jump_test(2, 6, [6])
|
||||
def test_jump_forwards_out_of_try_except_block(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except:
|
||||
output.append(4)
|
||||
raise
|
||||
output.append(6)
|
||||
|
||||
@jump_test(3, 1, [1, 1, 3])
|
||||
def test_jump_backwards_out_of_try_except_block(output):
|
||||
output.append(1)
|
||||
try:
|
||||
output.append(3)
|
||||
except:
|
||||
output.append(5)
|
||||
raise
|
||||
|
||||
@jump_test(5, 7, [4, 7, 8])
|
||||
def test_jump_between_except_blocks(output):
|
||||
try:
|
||||
1/0
|
||||
except ZeroDivisionError:
|
||||
output.append(4)
|
||||
output.append(5)
|
||||
except FloatingPointError:
|
||||
output.append(7)
|
||||
output.append(8)
|
||||
|
||||
@jump_test(5, 6, [4, 6, 7])
|
||||
def test_jump_within_except_block(output):
|
||||
try:
|
||||
1/0
|
||||
except:
|
||||
output.append(4)
|
||||
output.append(5)
|
||||
output.append(6)
|
||||
output.append(7)
|
||||
|
||||
@jump_test(8, 11, [1, 3, 5, 11, 12])
|
||||
def test_jump_out_of_complex_nested_blocks(output):
|
||||
output.append(1)
|
||||
for i in [1]:
|
||||
output.append(3)
|
||||
for j in [1, 2]:
|
||||
output.append(5)
|
||||
try:
|
||||
for k in [1, 2]:
|
||||
output.append(8)
|
||||
finally:
|
||||
output.append(10)
|
||||
output.append(11)
|
||||
output.append(12)
|
||||
|
||||
@jump_test(3, 5, [1, 2, 5])
|
||||
def test_jump_out_of_with_assignment(output):
|
||||
output.append(1)
|
||||
with tracecontext(output, 2) \
|
||||
as x:
|
||||
output.append(4)
|
||||
output.append(5)
|
||||
|
||||
@jump_test(3, 6, [1, 6, 8, 9])
|
||||
def test_jump_over_return_in_try_finally_block(output):
|
||||
output.append(1)
|
||||
try:
|
||||
output.append(3)
|
||||
if not output: # always false
|
||||
return
|
||||
output.append(6)
|
||||
finally:
|
||||
output.append(8)
|
||||
output.append(9)
|
||||
|
||||
@jump_test(5, 8, [1, 3, 8, 10, 11, 13])
|
||||
def test_jump_over_break_in_try_finally_block(output):
|
||||
output.append(1)
|
||||
while True:
|
||||
output.append(3)
|
||||
try:
|
||||
output.append(5)
|
||||
if not output: # always false
|
||||
break
|
||||
output.append(8)
|
||||
finally:
|
||||
output.append(10)
|
||||
output.append(11)
|
||||
break
|
||||
output.append(13)
|
||||
|
||||
# The second set of 'jump' tests are for things that are not allowed:
|
||||
|
||||
@jump_test(2, 3, [1], (ValueError, 'after'))
|
||||
def test_no_jump_too_far_forwards(output):
|
||||
output.append(1)
|
||||
output.append(2)
|
||||
|
||||
@jump_test(2, -2, [1], (ValueError, 'before'))
|
||||
def test_no_jump_too_far_backwards(output):
|
||||
output.append(1)
|
||||
output.append(2)
|
||||
|
||||
# Test each kind of 'except' line.
|
||||
@jump_test(2, 3, [4], (ValueError, 'except'))
|
||||
def test_no_jump_to_except_1(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except:
|
||||
output.append(4)
|
||||
raise
|
||||
|
||||
@jump_test(2, 3, [4], (ValueError, 'except'))
|
||||
def test_no_jump_to_except_2(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except ValueError:
|
||||
output.append(4)
|
||||
raise
|
||||
|
||||
@jump_test(2, 3, [4], (ValueError, 'except'))
|
||||
def test_no_jump_to_except_3(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except ValueError as e:
|
||||
output.append(4)
|
||||
raise e
|
||||
|
||||
@jump_test(2, 3, [4], (ValueError, 'except'))
|
||||
def test_no_jump_to_except_4(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except (ValueError, RuntimeError) as e:
|
||||
output.append(4)
|
||||
raise e
|
||||
|
||||
@jump_test(1, 3, [], (ValueError, 'into'))
|
||||
def test_no_jump_forwards_into_for_block(output):
|
||||
output.append(1)
|
||||
for i in 1, 2:
|
||||
output.append(3)
|
||||
|
||||
@jump_test(3, 2, [2, 2], (ValueError, 'into'))
|
||||
def test_no_jump_backwards_into_for_block(output):
|
||||
for i in 1, 2:
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
|
||||
@jump_test(2, 4, [], (ValueError, 'into'))
|
||||
def test_no_jump_forwards_into_while_block(output):
|
||||
i = 1
|
||||
output.append(2)
|
||||
while i <= 2:
|
||||
output.append(4)
|
||||
i += 1
|
||||
|
||||
@jump_test(5, 3, [3, 3], (ValueError, 'into'))
|
||||
def test_no_jump_backwards_into_while_block(output):
|
||||
i = 1
|
||||
while i <= 2:
|
||||
output.append(3)
|
||||
i += 1
|
||||
output.append(5)
|
||||
|
||||
@jump_test(1, 3, [], (ValueError, 'into'))
|
||||
def test_no_jump_forwards_into_with_block(output):
|
||||
output.append(1)
|
||||
with tracecontext(output, 2):
|
||||
output.append(3)
|
||||
|
||||
@jump_test(3, 2, [1, 2, -1], (ValueError, 'into'))
|
||||
def test_no_jump_backwards_into_with_block(output):
|
||||
with tracecontext(output, 1):
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
|
||||
@jump_test(1, 3, [], (ValueError, 'into'))
|
||||
def test_no_jump_forwards_into_try_finally_block(output):
|
||||
output.append(1)
|
||||
try:
|
||||
output.append(3)
|
||||
finally:
|
||||
output.append(5)
|
||||
|
||||
@jump_test(5, 2, [2, 4], (ValueError, 'into'))
|
||||
def test_no_jump_backwards_into_try_finally_block(output):
|
||||
try:
|
||||
output.append(2)
|
||||
finally:
|
||||
output.append(4)
|
||||
output.append(5)
|
||||
|
||||
@jump_test(1, 3, [], (ValueError, 'into'))
|
||||
def test_no_jump_forwards_into_try_except_block(output):
|
||||
output.append(1)
|
||||
try:
|
||||
output.append(3)
|
||||
except:
|
||||
output.append(5)
|
||||
raise
|
||||
|
||||
@jump_test(6, 2, [2], (ValueError, 'into'))
|
||||
def test_no_jump_backwards_into_try_except_block(output):
|
||||
try:
|
||||
output.append(2)
|
||||
except:
|
||||
output.append(4)
|
||||
raise
|
||||
output.append(6)
|
||||
|
||||
# 'except' with a variable creates an implicit finally block
|
||||
@jump_test(5, 7, [4], (ValueError, 'into'))
|
||||
def test_no_jump_between_except_blocks_2(output):
|
||||
try:
|
||||
1/0
|
||||
except ZeroDivisionError:
|
||||
output.append(4)
|
||||
output.append(5)
|
||||
except FloatingPointError as e:
|
||||
output.append(7)
|
||||
output.append(8)
|
||||
|
||||
@jump_test(3, 6, [2, 5, 6], (ValueError, 'finally'))
|
||||
def test_no_jump_into_finally_block(output):
|
||||
try:
|
||||
output.append(2)
|
||||
output.append(3)
|
||||
finally: # still executed if the jump is failed
|
||||
output.append(5)
|
||||
output.append(6)
|
||||
output.append(7)
|
||||
|
||||
@jump_test(1, 5, [], (ValueError, 'finally'))
|
||||
def test_no_jump_into_finally_block_2(output):
|
||||
output.append(1)
|
||||
try:
|
||||
output.append(3)
|
||||
finally:
|
||||
output.append(5)
|
||||
|
||||
@jump_test(5, 1, [1, 3], (ValueError, 'finally'))
|
||||
def test_no_jump_out_of_finally_block(output):
|
||||
output.append(1)
|
||||
try:
|
||||
output.append(3)
|
||||
finally:
|
||||
output.append(5)
|
||||
|
||||
@jump_test(2, 4, [1, 4, 5, -4])
|
||||
def test_jump_across_with(output):
|
||||
output.append(1)
|
||||
with tracecontext(output, 2):
|
||||
output.append(3)
|
||||
with tracecontext(output, 4):
|
||||
output.append(5)
|
||||
|
||||
@jump_test(3, 5, [1, 2, -2], (ValueError, 'into'))
|
||||
def test_jump_across_with_2(output):
|
||||
output.append(1)
|
||||
with tracecontext(output, 2):
|
||||
output.append(3)
|
||||
with tracecontext(output, 4):
|
||||
output.append(5)
|
||||
|
||||
def test_no_jump_to_non_integers(self):
|
||||
self.run_test(no_jump_to_non_integers, 2, "Spam", [True])
|
||||
|
||||
def test_no_jump_without_trace_function(self):
|
||||
# Must set sys.settrace(None) in setUp(), else condition is not
|
||||
# triggered.
|
||||
no_jump_without_trace_function()
|
||||
def test_jump_across_with(self):
|
||||
self.addCleanup(support.unlink, support.TESTFN)
|
||||
self.run_test(jump_across_with)
|
||||
|
||||
def test_20_large_function(self):
|
||||
def test_large_function(self):
|
||||
d = {}
|
||||
exec("""def f(output): # line 0
|
||||
x = 0 # line 1
|
||||
|
|
@ -863,10 +1033,7 @@ class JumpTestCase(unittest.TestCase):
|
|||
output.append(x) # line 1007
|
||||
return""" % ('\n' * 1000,), d)
|
||||
f = d['f']
|
||||
|
||||
f.jump = (2, 1007)
|
||||
f.output = [0]
|
||||
self.run_test(f)
|
||||
self.run_test(f, 2, 1007, [0])
|
||||
|
||||
def test_jump_to_firstlineno(self):
|
||||
# This tests that PDB can jump back to the first line in a
|
||||
|
|
@ -880,8 +1047,7 @@ output.append(4)
|
|||
""", "<fake module>", "exec")
|
||||
class fake_function:
|
||||
__code__ = code
|
||||
jump = (2, 0)
|
||||
tracer = JumpTracer(fake_function)
|
||||
tracer = JumpTracer(fake_function, 2, 0)
|
||||
sys.settrace(tracer.trace)
|
||||
namespace = {"output": []}
|
||||
exec(code, namespace)
|
||||
|
|
@ -889,14 +1055,5 @@ output.append(4)
|
|||
self.compare_jump_output([2, 3, 2, 3, 4], namespace["output"])
|
||||
|
||||
|
||||
def test_main():
|
||||
support.run_unittest(
|
||||
TraceTestCase,
|
||||
SkipLineEventsTraceTestCase,
|
||||
TraceOpcodesTestCase,
|
||||
RaisingTraceFuncTestCase,
|
||||
JumpTestCase
|
||||
)
|
||||
|
||||
if __name__ == "__main__":
|
||||
test_main()
|
||||
unittest.main()
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue