test_operations.py 3.33 KB
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from mock import MagicMock, patch

from django.test import TestCase

from ..operations import Operation


class OperationTestCase(TestCase):
    def test_activity_created_before_async_job(self):
        class AbortEx(Exception):
            pass

        op = Operation(MagicMock())
        op.activity_code_suffix = 'test'
        op.id = 'test'
        op.async_operation = MagicMock(
            apply_async=MagicMock(side_effect=AbortEx))

        with patch.object(Operation, 'check_precond'):
            with patch.object(Operation, 'create_activity') as create_act:
                try:
                    op.async(system=True)
                except AbortEx:
                    self.assertTrue(create_act.called)

    def test_check_precond_called_before_create_activity(self):
        class AbortEx(Exception):
            pass

        op = Operation(MagicMock())
        op.activity_code_suffix = 'test'
        op.id = 'test'
        with patch.object(Operation, 'create_activity', side_effect=AbortEx):
            with patch.object(Operation, 'check_precond') as chk_pre:
                try:
                    op.call(system=True)
                except AbortEx:
                    self.assertTrue(chk_pre.called)

    def test_auth_check_on_non_system_call(self):
        op = Operation(MagicMock())
        op.activity_code_suffix = 'test'
        op.id = 'test'
        user = MagicMock()
        with patch.object(Operation, 'check_auth') as check_auth:
            with patch.object(Operation, 'check_precond'), \
                    patch.object(Operation, 'create_activity'), \
                    patch.object(Operation, '_exec_op'):
                op.call(user=user)
            check_auth.assert_called_with(user)

    def test_no_auth_check_on_system_call(self):
        op = Operation(MagicMock())
        op.activity_code_suffix = 'test'
        op.id = 'test'
        with patch.object(Operation, 'check_auth', side_effect=AssertionError):
            with patch.object(Operation, 'check_precond'), \
                    patch.object(Operation, 'create_activity'), \
                    patch.object(Operation, '_exec_op'):
                op.call(system=True)
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    def test_no_exception_for_more_arguments_when_operation_takes_kwargs(self):
        class KwargOp(Operation):
            activity_code_suffix = 'test'
            id = 'test'

            def _operation(self, **kwargs):
                pass

        op = KwargOp(MagicMock())
        with patch.object(KwargOp, 'create_activity'), \
                patch.object(KwargOp, '_exec_op'):
            op.call(system=True, foo=42)

    def test_exception_for_unexpected_arguments(self):
        class TestOp(Operation):
            activity_code_suffix = 'test'
            id = 'test'

            def _operation(self):
                pass

        op = TestOp(MagicMock())
        with patch.object(TestOp, 'create_activity'), \
                patch.object(TestOp, '_exec_op'):
            self.assertRaises(TypeError, op.call, system=True, foo=42)

    def test_exception_for_missing_arguments(self):
        class TestOp(Operation):
            activity_code_suffix = 'test'
            id = 'test'

            def _operation(self, foo):
                pass

        op = TestOp(MagicMock())
        with patch.object(TestOp, 'create_activity'):
            self.assertRaises(TypeError, op.call, system=True)