def test_failure(self, mock_parseString, mock_getLogger):
result = parser.parse_rule('test', 'rule text')
self.assertEqual(result, Instructions([Constant(False), set_authz]))
mock_parseString.assert_called_once_with('rule text', parseAll=True)
mock_getLogger.assert_called_once_with('policies')
mock_getLogger.return_value.assert_has_calls([
mock.call.warn("Failed to parse rule 'test': "
"trial error (at char 5), (line:1, col:6)"),
mock.call.warn("Rule line: test rule string"),
mock.call.warn("Location : ^"),
])
def instructions(self):
"""
Retrieve the instructions for the rule.
"""
if self._instructions is None:
# Compile the rule into an Instructions instance; we do
# this lazily to amortize the cost of the compilation,
# then cache that result for efficiency...
self._instructions = parser.parse_rule(self.name, self.text)
return self._instructions
def test_evaluation(self):
errors = 0
for text, variables, expected in self.rules:
try:
insts = parser.parse_rule("test", text, do_raise=True)
except pyparsing.ParseException as exc:
# Print out a description of the unexpected failure
print('')
print("Failure to parse %r: %s" % (text, exc))
print(" Line : %s" % exc.line)
print(" Location: %s^" % (" " * (exc.col - 1)))
errors += 1
continue
# Allocate a context and inhibit error reporting
ctxt = policy.PolicyContext(None, {}, variables)
ctxt.reported = True
try:
with ctxt.push_rule('test'):
insts(ctxt, True)
except Exception as exc:
# Print out a description of the unexpected failure
print('')
print("Failure to evaluate %r: %s" % (text, exc))
errors += 1
continue
# Compare the expected to the actual
if ctxt.stack[-1] != expected:
print('')
print("Failure to evaluate %r: %r != %r" %
(text, ctxt.stack[-1], expected))
errors += 1
if errors > 0:
self.fail("Evaluation failures encountered; see output "
"for information")
def test_parse(self):
errors = 0
for text, expected in self.rules:
try:
result = parser.parse_rule("test", text, do_raise=True)
except pyparsing.ParseException as exc:
if expected is not None:
# Print out a description of the unexpected failure
print('')
print("Failure to parse %r: %s" % (text, exc))
print(" Line : %s" % exc.line)
print(" Location: %s^" % (" " * (exc.col - 1)))
errors += 1
continue
# Compare the expected to the actual
if result != expected:
print('')
print("Failure to parse %r: %r != %r" %
(text, result, expected))
errors += 1
if errors > 0:
self.fail("Parse failures encountered; see output for information")
def test_success(self, mock_parseString, mock_getLogger):
result = parser.parse_rule('test', 'rule text')
self.assertEqual(result, 'success')
mock_parseString.assert_called_once_with('rule text', parseAll=True)
self.assertFalse(mock_getLogger.called)
