#!/usr/bin/env python3
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import unittest

from ..maintainers import *

YAML_VALID = r"""
maintained:
  status: maintained
  maintainers:
    - John Doe <john.doe@test.gem5.org>
    - Jane Doe <jane.doe@test.gem5.org>

# Test that we can handle a subsystem without maintainers
orphaned:
  desc: Abandoned
  status: orphaned
"""

YAML_MISSING_STATUS = r"""
key:
  maintainers:
    - John Doe <john.doe@test.gem5.org>
"""

YAML_INVALID_STATUS = r"""
key:
  status: invalid_status_name
  maintainers:
    - John Doe <john.doe@test.gem5.org>
"""

YAML_MAINTAINERS_NOT_LIST = r"""
key:
  status: maintained
  maintainers:
"""

class StatusTestSuite(unittest.TestCase):
    """Test cases for maintainers.Status"""

    def test_str_conv(self):
        pairs = [
            ("maintained", Status.MAINTAINED),
            ("orphaned", Status.ORPHANED),
        ]

        for name, value in pairs:
            assert value == Status.from_str(name)
            assert str(value) == name

class MaintainersTestSuite(unittest.TestCase):
    """Test cases for Maintainers"""

    def test_parser_valid(self):
        maint = Maintainers.from_yaml(YAML_VALID)

        subsys = maint['maintained']
        self.assertEqual(subsys.status, Status.MAINTAINED)
        self.assertEqual(subsys.description, '')
        self.assertEqual(subsys.maintainers, [
            ('John Doe', 'john.doe@test.gem5.org'),
            ('Jane Doe', 'jane.doe@test.gem5.org'),
        ])

        subsys = maint['orphaned']
        self.assertEqual(subsys.status, Status.ORPHANED)
        self.assertEqual(subsys.description, 'Abandoned')
        self.assertEqual(subsys.maintainers, [])

    def test_parser_invalid(self):
        with self.assertRaises(MissingFieldException):
            Maintainers.from_yaml(YAML_MISSING_STATUS)

        with self.assertRaises(IllegalValueException):
            Maintainers.from_yaml(YAML_INVALID_STATUS)

        with self.assertRaises(IllegalValueException):
            Maintainers.from_yaml(YAML_MAINTAINERS_NOT_LIST)

if __name__ == '__main__':
    unittest.main()