def test_tracebacks_for_exceptions(self):
bundle = FluentBundle('en-US', [
FtlResource(dedent_ftl('''
foo = { $arg }
'''),
filename='firstfile.ftl'),
FtlResource(dedent_ftl('''
bar = { $arg }
'''),
filename='secondfile.ftl')
])
# Check what our tracebacks produce if we have an error. This is hard to
# do, since we catch most errors, so we construct a special value that
# will blow up despite our best efforts.
class BadType(FluentNumber, int):
def format(self, locale):
1 / 0
for filename, msg_id, line_number in [("firstfile.ftl", "foo", 2),
("secondfile.ftl", "bar", 3)]:
try:
val, errs = bundle.format(msg_id, {'arg': BadType(0)})
except ZeroDivisionError:
tb = traceback.format_exc()
# We don't get line numbers, but we can at least display the
# source FTL file and function name
self.assertIn(
'File "{0}", line {1}, in {2}'.format(
filename, line_number, msg_id), tb)
else:
self.fail('Expected ZeroDivisionError')
def test_check_messages_junk(self):
bundle = FluentBundle(
'en-US', [FtlResource("unfinished", filename='myfile.ftl')])
checks = bundle.check_messages()
self.assertEqual(len(checks), 1)
check1_name, check1_error = checks[0]
self.assertEqual(check1_name, None)
self.assertEqual(type(check1_error), FluentJunkFound)
self.assertEqual(
check1_error.message,
'Junk found:\n myfile.ftl:1:11: Expected token: "="')
self.assertEqual(check1_error.annotations[0].message,
'Expected token: "="')
def test_check_messages_compile_errors(self):
bundle = FluentBundle('en-US', [
FtlResource(dedent_ftl('''
foo = { -missing }
.bar = { -missing }
'''),
filename='myfile.ftl')
])
checks = bundle.check_messages()
self.assertEqual(len(checks), 2)
check1_name, check1_error = checks[0]
self.assertEqual(check1_name, 'foo')
self.assertEqual(type(check1_error), FluentReferenceError)
self.assertEqual(check1_error.args[0],
'myfile.ftl:2:9: Unknown term: -missing')
check2_name, check2_error = checks[1]
self.assertEqual(check2_name, 'foo.bar')
self.assertEqual(type(check2_error), FluentReferenceError)
self.assertEqual(check2_error.args[0],
'myfile.ftl:3:14: Unknown term: -missing')