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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from mozpack.errors import (
errors,
ErrorMessage,
AccumulatedErrors,
)
import unittest
import mozunit
import sys
from cStringIO import StringIO
class TestErrors(object):
def setUp(self):
errors.out = StringIO()
errors.ignore_errors(False)
def tearDown(self):
errors.out = sys.stderr
def get_output(self):
return [l.strip() for l in errors.out.getvalue().splitlines()]
class TestErrorsImpl(TestErrors, unittest.TestCase):
def test_plain_error(self):
errors.warn('foo')
self.assertRaises(ErrorMessage, errors.error, 'foo')
self.assertRaises(ErrorMessage, errors.fatal, 'foo')
self.assertEquals(self.get_output(), ['Warning: foo'])
def test_ignore_errors(self):
errors.ignore_errors()
errors.warn('foo')
errors.error('bar')
self.assertRaises(ErrorMessage, errors.fatal, 'foo')
self.assertEquals(self.get_output(), ['Warning: foo', 'Warning: bar'])
def test_no_error(self):
with errors.accumulate():
errors.warn('1')
def test_simple_error(self):
with self.assertRaises(AccumulatedErrors):
with errors.accumulate():
errors.error('1')
self.assertEquals(self.get_output(), ['Error: 1'])
def test_error_loop(self):
with self.assertRaises(AccumulatedErrors):
with errors.accumulate():
for i in range(3):
errors.error('%d' % i)
self.assertEquals(self.get_output(),
['Error: 0', 'Error: 1', 'Error: 2'])
def test_multiple_errors(self):
with self.assertRaises(AccumulatedErrors):
with errors.accumulate():
errors.error('foo')
for i in range(3):
if i == 2:
errors.warn('%d' % i)
else:
errors.error('%d' % i)
errors.error('bar')
self.assertEquals(self.get_output(),
['Error: foo', 'Error: 0', 'Error: 1',
'Warning: 2', 'Error: bar'])
def test_errors_context(self):
with self.assertRaises(AccumulatedErrors):
with errors.accumulate():
self.assertEqual(errors.get_context(), None)
with errors.context('foo', 1):
self.assertEqual(errors.get_context(), ('foo', 1))
errors.error('a')
with errors.context('bar', 2):
self.assertEqual(errors.get_context(), ('bar', 2))
errors.error('b')
self.assertEqual(errors.get_context(), ('foo', 1))
errors.error('c')
self.assertEqual(self.get_output(), [
'Error: foo:1: a',
'Error: bar:2: b',
'Error: foo:1: c',
])
if __name__ == '__main__':
mozunit.main()
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