def test_depth_limit(LineMatcher, tracer_impl, depth):
buff = StringIO()
from sample7 import one
tracer = tracer_impl()
predicate = When(Q(depth_lt=depth), CallPrinter(stream=buff))
try:
tracer.trace(predicate)
one()
finally:
tracer.stop()
output = buff.getvalue()
lm = LineMatcher(output.splitlines())
lm.fnmatch_lines([
"* call => one()",
"* line for i in range(1): # one",
"* line two()",
"* call => two()",
"* return <= two: None",
"* line for i in range(1): # one",
"* return <= one: None",
])
if depth < 3:
assert 'three' not in output
if depth < 4:
assert 'four' not in output
if depth < 5:
assert 'five' not in output
def test_stack_printer(LineMatcher):
buff = StringIO()
with trace(Q(function="five", action=StackPrinter(stream=buff))):
from sample7 import one
one()
output = buff.getvalue()
lm = LineMatcher(output.splitlines())
lm.fnmatch_lines([
"*sample7.py:30:five <= no frames available (detached=True)",
])
def test_stack_printer_2(LineMatcher):
buff = StringIO()
with trace(Q(function="five", action=StackPrinter(limit=2, stream=buff))):
from sample7 import one
one()
output = buff.getvalue()
lm = LineMatcher(output.splitlines())
lm.fnmatch_lines([
"*sample7.py:??:five <= tests/sample7.py:??:four <= tests/sample7.py:??:three <= tests/sample7.py:??:two <= tests/sample7.py:?:one <= tests/test_integration.py:???:test_stack_printer*",
])
def test_from_predicate_line_no_predicate(LineMatcher):
buff = StringIO()
from sample7 import one
with trace(From(Q(fullsource_has='in_five')), action=CallPrinter(stream=buff)):
one()
output = buff.getvalue()
lm = LineMatcher(output.splitlines())
lm.fnmatch_lines([
"* line * for i in range(1): # five",
"* line * return i",
])
assert 'four' not in output
assert 'three' not in output
assert 'two' not in output
assert 'one' not in output
def test_from_predicate(LineMatcher):
buff = StringIO()
from sample7 import one
with trace(From(Q(function='five'), CallPrinter(stream=buff))):
one()
output = buff.getvalue()
lm = LineMatcher(output.splitlines())
lm.fnmatch_lines([
"* call => five()",
"* line for i in range(1): # five",
"* line return i",
"* return <= five: 0",
])
assert 'four' not in output
assert 'three' not in output
assert 'two' not in output
assert 'one' not in output
def test_from_predicate_with_subpredicate(LineMatcher):
buff = StringIO()
from sample7 import one
with trace(From(Q(source_has='# two'), Q(depth_lt=1)), action=CallPrinter(stream=buff)):
one()
output = buff.getvalue()
lm = LineMatcher(output.splitlines())
lm.fnmatch_lines([
'* line for i in range(1): # two',
'* line three()',
'* call => three()',
'* return <= three: None',
'* line for i in range(1): # two',
])
assert 'five' not in output
assert 'four' not in output
assert 'one()' not in output
assert '# one' not in output
assert len(lm.lines) == 5
def test_backlog(LineMatcher, stack):
buff = StringIO()
from sample7args import one
with trace(Backlog(fullsource_has='return i',
size=19,
stack=stack,
vars=False,
action=DebugCallPrinter(
' ['
'backlog'
']', stream=buff)).filter(~Q(function='six')),
action=DebugCallPrinter(stream=buff)):
one()
one(
) # make sure Backlog is reusable (doesn't have storage side-effects)
output = buff.getvalue()
import re
print(re.sub(r'([\[\]])', r'[\1]', output))
# print(output)
lm = LineMatcher(output.splitlines())
lm.fnmatch_lines([
"depth=0 calls=-1 *sample7args.py:* call => one(a=?, b=?, c=?) [[]backlog[]]",
"depth=1 calls=?? *sample7args.py:* line two() [[]backlog[]]",
"depth=1 calls=?? *sample7args.py:* call => two(a=?, b=?, c=?) [[]backlog[]]",
"depth=2 calls=?? *sample7args.py:* line for i in range(1): # two [[]backlog[]]",
"depth=2 calls=?? *sample7args.py:* line a = b = c[[]'side'[]] = 'effect' [[]backlog[]]",
"depth=2 calls=?? *sample7args.py:* line three() [[]backlog[]]",
"depth=2 calls=?? *sample7args.py:* call => three(a=?, b=?, c=?) [[]backlog[]]",
"depth=3 calls=?? *sample7args.py:* line for i in range(1): # three [[]backlog[]]",
"depth=3 calls=?? *sample7args.py:* line a = b = c[[]'side'[]] = 'effect' [[]backlog[]]",
"depth=3 calls=?? *sample7args.py:* line four() [[]backlog[]]",
"depth=3 calls=?? *sample7args.py:* call => four(a=?, b=?, c=?) [[]backlog[]]",
"depth=4 calls=?? *sample7args.py:* line for i in range(1): # four [[]backlog[]]",
"depth=4 calls=?? *sample7args.py:* line a = b = c[[]'side'[]] = 'effect' [[]backlog[]]",
"depth=4 calls=?? *sample7args.py:* line five() [[]backlog[]]",
"depth=4 calls=?? *sample7args.py:* call => five(a=?, b=?, c=?) [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line six() [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line six() [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line six() [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line a = b = c[[]'side'[]] = in_five = 'effect' [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line for i in range(1): # five [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line return i # five",
"depth=4 calls=?? *sample7args.py:* return <= five: 0",
"depth=0 calls=-1 *sample7args.py:* call => one(a=?, b=?, c=?) [[]backlog[]]",
"depth=1 calls=?? *sample7args.py:* line two() [[]backlog[]]",
"depth=1 calls=?? *sample7args.py:* call => two(a=?, b=?, c=?) [[]backlog[]]",
"depth=2 calls=?? *sample7args.py:* line for i in range(1): # two [[]backlog[]]",
"depth=2 calls=?? *sample7args.py:* line a = b = c[[]'side'[]] = 'effect' [[]backlog[]]",
"depth=2 calls=?? *sample7args.py:* line three() [[]backlog[]]",
"depth=2 calls=?? *sample7args.py:* call => three(a=?, b=?, c=?) [[]backlog[]]",
"depth=3 calls=?? *sample7args.py:* line for i in range(1): # three [[]backlog[]]",
"depth=3 calls=?? *sample7args.py:* line a = b = c[[]'side'[]] = 'effect' [[]backlog[]]",
"depth=3 calls=?? *sample7args.py:* line four() [[]backlog[]]",
"depth=3 calls=?? *sample7args.py:* call => four(a=?, b=?, c=?) [[]backlog[]]",
"depth=4 calls=?? *sample7args.py:* line for i in range(1): # four [[]backlog[]]",
"depth=4 calls=?? *sample7args.py:* line a = b = c[[]'side'[]] = 'effect' [[]backlog[]]",
"depth=4 calls=?? *sample7args.py:* line five() [[]backlog[]]",
"depth=4 calls=?? *sample7args.py:* call => five(a=?, b=?, c=?) [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line six() [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line six() [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line six() [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line a = b = c[[]'side'[]] = in_five = 'effect' [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line for i in range(1): # five [[]backlog[]]",
"depth=5 calls=?? *sample7args.py:* line return i # five",
"depth=4 calls=?? *sample7args.py:* return <= five: 0",
])
