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Issue #19183: Simplify test_gdb 

repr() is no more platform dependent, SipHash has been fixed
This commit is contained in:
Victor Stinner 2013-11-21 10:25:09 +01:00
parent f4fd257a02
commit a282825bf6
1 changed files with 20 additions and 27 deletions
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47
Lib/test/test_gdb.py
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@ -221,48 +221,41 @@ class PrettyPrintTests(DebuggerTests):
gdb_output = self.get_stack_trace('id(42)')
self.assertTrue(BREAKPOINT_FN in gdb_output)
def get_python_repr(self, val):
args = [sys.executable, '-c', 'print(repr(%a))' % (val,)]
env = os.environ.copy()
env['PYTHONHASHSEED'] = PYTHONHASHSEED
output = subprocess.check_output(args, env=env, universal_newlines=True)
return output.rstrip()
def assertGdbRepr(self, val, exp_repr=None, cmds_after_breakpoint=None):
# Ensure that gdb's rendering of the value in a debugged process
# matches repr(value) in this process:
gdb_repr, gdb_output = self.get_gdb_repr('id(' + ascii(val) + ')',
cmds_after_breakpoint)
if not exp_repr:
exp_repr = self.get_python_repr(val)
exp_repr = repr(val)
self.assertEqual(gdb_repr, exp_repr,
('%r did not equal expected %r; full output was:\n%s'
% (gdb_repr, exp_repr, gdb_output)))
def test_int(self):
'Verify the pretty-printing of various int values'
self.assertGdbRepr(42, '42')
self.assertGdbRepr(0, '0')
self.assertGdbRepr(-7, '-7')
self.assertGdbRepr(1000000000000, '1000000000000')
self.assertGdbRepr(-1000000000000000, '-1000000000000000')
self.assertGdbRepr(42)
self.assertGdbRepr(0)
self.assertGdbRepr(-7)
self.assertGdbRepr(1000000000000)
self.assertGdbRepr(-1000000000000000)
def test_singletons(self):
'Verify the pretty-printing of True, False and None'
self.assertGdbRepr(True, 'True')
self.assertGdbRepr(False, 'False')
self.assertGdbRepr(None, 'None')
self.assertGdbRepr(True)
self.assertGdbRepr(False)
self.assertGdbRepr(None)
def test_dicts(self):
'Verify the pretty-printing of dictionaries'
self.assertGdbRepr({}, '{}')
self.assertGdbRepr({'foo': 'bar'})
self.assertGdbRepr({'foo': 'bar', 'douglas': 42})
self.assertGdbRepr({})
self.assertGdbRepr({'foo': 'bar'}, "{'foo': 'bar'}")
self.assertGdbRepr({'foo': 'bar', 'douglas': 42}, "{'douglas': 42, 'foo': 'bar'}")
def test_lists(self):
'Verify the pretty-printing of lists'
self.assertGdbRepr([], '[]')
self.assertGdbRepr(list(range(5)), '[0, 1, 2, 3, 4]')
self.assertGdbRepr([])
self.assertGdbRepr(list(range(5)))
def test_bytes(self):
'Verify the pretty-printing of bytes'
@ -320,9 +313,9 @@ class PrettyPrintTests(DebuggerTests):
'Verify the pretty-printing of sets'
if (gdb_major_version, gdb_minor_version) < (7, 3):
self.skipTest("pretty-printing of sets needs gdb 7.3 or later")
self.assertGdbRepr(set())
self.assertGdbRepr(set(['a', 'b']))
self.assertGdbRepr(set([4, 5, 6]))
self.assertGdbRepr(set(), 'set()')
self.assertGdbRepr(set(['a', 'b']), "{'a', 'b'}")
self.assertGdbRepr(set([4, 5, 6]), "{4, 5, 6}")
# Ensure that we handle sets containing the "dummy" key value,
# which happens on deletion:
@ -335,9 +328,9 @@ id(s)''')
'Verify the pretty-printing of frozensets'
if (gdb_major_version, gdb_minor_version) < (7, 3):
self.skipTest("pretty-printing of frozensets needs gdb 7.3 or later")
self.assertGdbRepr(frozenset())
self.assertGdbRepr(frozenset(['a', 'b']))
self.assertGdbRepr(frozenset([4, 5, 6]))
self.assertGdbRepr(frozenset(), 'frozenset()')
self.assertGdbRepr(frozenset(['a', 'b']), "frozenset({'a', 'b'})")
self.assertGdbRepr(frozenset([4, 5, 6]), "frozenset({4, 5, 6})")
def test_exceptions(self):
# Test a RuntimeError