text: # Copyright 2015 - Huawei Technologies Co. Ltd
  # Copyright 2015 - StackStorm, Inc.
  # Copyright 2016 - Brocade Communications Systems, Inc.
  #
  #    Licensed under the Apache License, Version 2.0 (the "License");
  #    you may not use this file except in compliance with the License.
  #    You may obtain a copy of the License at
  #
  #        http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS,
  #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  #    See the License for the specific language governing permissions and
  #    limitations under the License.
  
  from mistral.lang.v2 import workflows
  from mistral.tests.unit.lang.v2 import base as v2_base
  from mistral import utils
  
  
  class TaskSpecValidation(v2_base.WorkflowSpecValidationTestCase):
      def test_type_injection(self):
          tests = [
              ({'type': 'direct'}, False),
              ({'type': 'reverse'}, False)
          ]
  
          for wf_type, expect_error in tests:
              overlay = {'test': wf_type}
              wfs_spec = self._parse_dsl_spec(add_tasks=True,
                                              changes=overlay,
                                              expect_error=expect_error)
  
              if not expect_error:
                  self.assertIsInstance(wfs_spec, workflows.WorkflowListSpec)
                  self.assertEqual(1, len(wfs_spec.get_workflows()))
  
                  wf_spec = wfs_spec.get_workflows()[0]
  
                  self.assertEqual(wf_type['type'], wf_spec.get_type())
  
                  for task in wf_spec.get_tasks():
                      self.assertEqual(task._data['type'], wf_type['type'])
  
      def test_action_or_workflow(self):
          tests = [
              ({'action': 'std.noop'}, False),
              ({'action': 'std.http url="openstack.org"'}, False),
              ({'action': 'std.http url="openstack.org" timeout=10'}, False),
              ({'action': 'std.http url=<% $.url %>'}, False),
              ({'action': 'std.http url=<% $.url %> timeout=<% $.t %>'}, False),
              ({'action': 'std.http url=<% * %>'}, True),
              ({'action': 'std.http url={{ _.url }}'}, False),
              ({'action': 'std.http url={{ _.url }} timeout={{ _.t }}'}, False),
              ({'action': 'std.http url={{ $ }}'}, True),
              ({'workflow': 'test.wf'}, False),
              ({'workflow': 'test.wf k1="v1"'}, False),
              ({'workflow': 'test.wf k1="v1" k2="v2"'}, False),
              ({'workflow': 'test.wf k1=<% $.v1 %>'}, False),
              ({'workflow': 'test.wf k1=<% $.v1 %> k2=<% $.v2 %>'}, False),
              ({'workflow': 'test.wf k1=<% * %>'}, True),
              ({'workflow': 'test.wf k1={{ _.v1 }}'}, False),
              ({'workflow': 'test.wf k1={{ _.v1 }} k2={{ _.v2 }}'}, False),
              ({'workflow': 'test.wf k1={{ $ }}'}, True),
              ({'action': 'std.noop', 'workflow': 'test.wf'}, True),
              ({'action': 123}, True),
              ({'workflow': 123}, True),
              ({'action': ''}, True),
              ({'workflow': ''}, True),
              ({'action': None}, True),
              ({'workflow': None}, True)
          ]
  
          for task, expect_error in tests:
              overlay = {'test': {'tasks': {'task1': task}}}
  
              self._parse_dsl_spec(
                  add_tasks=False,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_inputs(self):
          tests = [
              ({'input': ''}, True),
              ({'input': {}}, True),
              ({'input': None}, True),
              ({'input': {'k1': 'v1'}}, False),
              ({'input': {'k1': '<% $.v1 %>'}}, False),
              ({'input': {'k1': '<% 1 + 2 %>'}}, False),
              ({'input': {'k1': '<% * %>'}}, True),
              ({'input': {'k1': '{{ _.v1 }}'}}, False),
              ({'input': {'k1': '{{ 1 + 2 }}'}}, False),
              ({'input': {'k1': '{{ * }}'}}, True)
          ]
  
          for task_input, expect_error in tests:
              overlay = {'test': {'tasks': {'task1': {'action': 'test.mock'}}}}
  
              utils.merge_dicts(overlay['test']['tasks']['task1'], task_input)
  
              self._parse_dsl_spec(
                  add_tasks=False,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_with_items(self):
          tests = [
              ({'with-items': ''}, True),
              ({'with-items': []}, True),
              ({'with-items': ['']}, True),
              ({'with-items': None}, True),
              ({'with-items': 12345}, True),
              ({'with-items': 'x in y'}, True),
              ({'with-items': '<% $.y %>'}, True),
              ({'with-items': 'x in <% $.y %>'}, False),
              ({'with-items': ['x in [1, 2, 3]']}, False),
              ({'with-items': ['x in <% $.y %>']}, False),
              ({'with-items': ['x in <% $.y %>', 'i in [1, 2, 3]']}, False),
              ({'with-items': ['x in <% $.y %>', 'i in <% $.j %>']}, False),
              ({'with-items': ['x in <% * %>']}, True),
              ({'with-items': ['x in <% $.y %>', 'i in <% * %>']}, True),
              ({'with-items': '{{ _.y }}'}, True),
              ({'with-items': 'x in {{ _.y }}'}, False),
              ({'with-items': ['x in [1, 2, 3]']}, False),
              ({'with-items': ['x in {{ _.y }}']}, False),
              ({'with-items': ['x in {{ _.y }}', 'i in [1, 2, 3]']}, False),
              ({'with-items': ['x in {{ _.y }}', 'i in {{ _.j }}']}, False),
              ({'with-items': ['x in {{ * }}']}, True),
              ({'with-items': ['x in {{ _.y }}', 'i in {{ * }}']}, True)
          ]
  
          for with_item, expect_error in tests:
              overlay = {'test': {'tasks': {'get': with_item}}}
  
              self._parse_dsl_spec(
                  add_tasks=True,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_publish(self):
          tests = [
              ({'publish': ''}, True),
              ({'publish': {}}, True),
              ({'publish': None}, True),
              ({'publish': {'k1': 'v1'}}, False),
              ({'publish': {'k1': '<% $.v1 %>'}}, False),
              ({'publish': {'k1': '<% 1 + 2 %>'}}, False),
              ({'publish': {'k1': '<% * %>'}}, True),
              ({'publish': {'k1': '{{ _.v1 }}'}}, False),
              ({'publish': {'k1': '{{ 1 + 2 }}'}}, False),
              ({'publish': {'k1': '{{ * }}'}}, True)
          ]
  
          for output, expect_error in tests:
              overlay = {'test': {'tasks': {'task1': {'action': 'test.mock'}}}}
  
              utils.merge_dicts(overlay['test']['tasks']['task1'], output)
  
              self._parse_dsl_spec(
                  add_tasks=False,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_publish_on_error(self):
          tests = [
              ({'publish-on-error': ''}, True),
              ({'publish-on-error': {}}, True),
              ({'publish-on-error': None}, True),
              ({'publish-on-error': {'k1': 'v1'}}, False),
              ({'publish-on-error': {'k1': '<% $.v1 %>'}}, False),
              ({'publish-on-error': {'k1': '<% 1 + 2 %>'}}, False),
              ({'publish-on-error': {'k1': '<% * %>'}}, True),
              ({'publish-on-error': {'k1': '{{ _.v1 }}'}}, False),
              ({'publish-on-error': {'k1': '{{ 1 + 2 }}'}}, False),
              ({'publish-on-error': {'k1': '{{ * }}'}}, True)
          ]
  
          for output, expect_error in tests:
              overlay = {'test': {'tasks': {'task1': {'action': 'test.mock'}}}}
  
              utils.merge_dicts(overlay['test']['tasks']['task1'], output)
  
              self._parse_dsl_spec(
                  add_tasks=False,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_policies(self):
          tests = [
              ({'retry': {'count': 3, 'delay': 1}}, False),
              ({'retry': {
                  'continue-on': '<% 1 %>', 'delay': 2,
                  'break-on': '<% 1 %>', 'count': 2
              }}, False),
              ({'retry': {
                  'count': 3, 'delay': 1, 'continue-on': '<% 1 %>'
              }}, False),
              ({'retry': {'count': '<% 3 %>', 'delay': 1}}, False),
              ({'retry': {'count': '<% * %>', 'delay': 1}}, True),
              ({'retry': {'count': 3, 'delay': '<% 1 %>'}}, False),
              ({'retry': {'count': 3, 'delay': '<% * %>'}}, True),
              ({'retry': {
                  'continue-on': '{{ 1 }}', 'delay': 2,
                  'break-on': '{{ 1 }}', 'count': 2
              }}, False),
              ({'retry': {
                  'count': 3, 'delay': 1, 'continue-on': '{{ 1 }}'
              }}, False),
              ({'retry': {'count': '{{ 3 }}', 'delay': 1}}, False),
              ({'retry': {'count': '{{ * }}', 'delay': 1}}, True),
              ({'retry': {'count': 3, 'delay': '{{ 1 }}'}}, False),
              ({'retry': {'count': 3, 'delay': '{{ * }}'}}, True),
              ({'retry': {'count': -3, 'delay': 1}}, True),
              ({'retry': {'count': 3, 'delay': -1}}, True),
              ({'retry': {'count': '3', 'delay': 1}}, True),
              ({'retry': {'count': 3, 'delay': '1'}}, True),
              ({'retry': 'count=3 delay=1 break-on=<% false %>'}, False),
              ({'retry': 'count=3 delay=1 break-on={{ false }}'}, False),
              ({'retry': 'count=3 delay=1'}, False),
              ({'retry': 'coun=3 delay=1'}, True),
              ({'retry': None}, True),
              ({'wait-before': 1}, False),
              ({'wait-before': '<% 1 %>'}, False),
              ({'wait-before': '<% * %>'}, True),
              ({'wait-before': '{{ 1 }}'}, False),
              ({'wait-before': '{{ * }}'}, True),
              ({'wait-before': -1}, True),
              ({'wait-before': 1.0}, True),
              ({'wait-before': '1'}, True),
              ({'wait-after': 1}, False),
              ({'wait-after': '<% 1 %>'}, False),
              ({'wait-after': '<% * %>'}, True),
              ({'wait-after': '{{ 1 }}'}, False),
              ({'wait-after': '{{ * }}'}, True),
              ({'wait-after': -1}, True),
              ({'wait-after': 1.0}, True),
              ({'wait-after': '1'}, True),
              ({'timeout': 300}, False),
              ({'timeout': '<% 300 %>'}, False),
              ({'timeout': '<% * %>'}, True),
              ({'timeout': '{{ 300 }}'}, False),
              ({'timeout': '{{ * }}'}, True),
              ({'timeout': -300}, True),
              ({'timeout': 300.0}, True),
              ({'timeout': '300'}, True),
              ({'pause-before': False}, False),
              ({'pause-before': '<% False %>'}, False),
              ({'pause-before': '<% * %>'}, True),
              ({'pause-before': '{{ False }}'}, False),
              ({'pause-before': '{{ * }}'}, True),
              ({'pause-before': 'False'}, True),
              ({'concurrency': 10}, False),
              ({'concurrency': '<% 10 %>'}, False),
              ({'concurrency': '<% * %>'}, True),
              ({'concurrency': '{{ 10 }}'}, False),
              ({'concurrency': '{{ * }}'}, True),
              ({'concurrency': -10}, True),
              ({'concurrency': 10.0}, True),
              ({'concurrency': '10'}, True)
          ]
  
          for policy, expect_error in tests:
              overlay = {'test': {'tasks': {'get': policy}}}
  
              self._parse_dsl_spec(
                  add_tasks=True,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_direct_transition(self):
          tests = [
              ({'on-success': ['email']}, False),
              ({'on-success': [{'email': '<% 1 %>'}]}, False),
              ({'on-success': [{'email': '<% 1 %>'}, 'echo']}, False),
              ({'on-success': [{'email': '<% $.v1 in $.v2 %>'}]}, False),
              ({'on-success': [{'email': '<% * %>'}]}, True),
              ({'on-success': [{'email': '{{ 1 }}'}]}, False),
              ({'on-success': [{'email': '{{ 1 }}'}, 'echo']}, False),
              ({'on-success': [{'email': '{{ _.v1 in _.v2 }}'}]}, False),
              ({'on-success': [{'email': '{{ * }}'}]}, True),
              ({'on-success': 'email'}, False),
              ({'on-success': None}, True),
              ({'on-success': ['']}, True),
              ({'on-success': []}, True),
              ({'on-success': ['email', 'email']}, True),
              ({'on-success': ['email', 12345]}, True),
              ({'on-error': ['email']}, False),
              ({'on-error': [{'email': '<% 1 %>'}]}, False),
              ({'on-error': [{'email': '<% 1 %>'}, 'echo']}, False),
              ({'on-error': [{'email': '<% $.v1 in $.v2 %>'}]}, False),
              ({'on-error': [{'email': '<% * %>'}]}, True),
              ({'on-error': [{'email': '{{ 1 }}'}]}, False),
              ({'on-error': [{'email': '{{ 1 }}'}, 'echo']}, False),
              ({'on-error': [{'email': '{{ _.v1 in _.v2 }}'}]}, False),
              ({'on-error': [{'email': '{{ * }}'}]}, True),
              ({'on-error': 'email'}, False),
              ({'on-error': None}, True),
              ({'on-error': ['']}, True),
              ({'on-error': []}, True),
              ({'on-error': ['email', 'email']}, True),
              ({'on-error': ['email', 12345]}, True),
              ({'on-complete': ['email']}, False),
              ({'on-complete': [{'email': '<% 1 %>'}]}, False),
              ({'on-complete': [{'email': '<% 1 %>'}, 'echo']}, False),
              ({'on-complete': [{'email': '<% $.v1 in $.v2 %>'}]}, False),
              ({'on-complete': [{'email': '<% * %>'}]}, True),
              ({'on-complete': [{'email': '{{ 1 }}'}]}, False),
              ({'on-complete': [{'email': '{{ 1 }}'}, 'echo']}, False),
              ({'on-complete': [{'email': '{{ _.v1 in _.v2 }}'}]}, False),
              ({'on-complete': [{'email': '{{ * }}'}]}, True),
              ({'on-complete': 'email'}, False),
              ({'on-complete': None}, True),
              ({'on-complete': ['']}, True),
              ({'on-complete': []}, True),
              ({'on-complete': ['email', 'email']}, True),
              ({'on-complete': ['email', 12345]}, True)
          ]
  
          for transition, expect_error in tests:
              overlay = {'test': {'tasks': {}}}
  
              utils.merge_dicts(overlay['test']['tasks'], {'get': transition})
  
              self._parse_dsl_spec(
                  add_tasks=True,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_direct_transition_advanced_schema(self):
          tests = [
              ({'on-success': {'publish': {'var1': 1234}}}, True),
              ({'on-success': {'publish': {'branch': {'var1': 1234}}}}, False),
              (
                  {
                      'on-success': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          }
                      }
                  },
                  False
              ),
              (
                  {
                      'on-success': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': '<% * %>'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          }
                      }
                  },
                  True
              ),
              (
                  {
                      'on-success': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': 'email'
                      }
                  },
                  False
              ),
              (
                  {
                      'on-success': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': ['email']
                      }
                  },
                  False
              ),
              (
                  {
                      'on-success': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% 1 %>'}]
                      }
                  },
                  False
              ),
              (
                  {
                      'on-success': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% $.v1 and $.v2 %>'}]
                      }
                  },
                  False
              ),
              (
                  {
                      'on-success': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% * %>'}]
                      }
                  },
                  True
              ),
              ({'on-success': {'next': [{'email': '<% $.v1 %>'}]}}, False),
              ({'on-success': {'next': 'email'}}, False),
              ({'on-success': {'next': ['email']}}, False),
              ({'on-success': {'next': [{'email': 'email'}]}}, True),
              ({'on-error': {'publish': {'var1': 1234}}}, True),
              ({'on-error': {'publish': {'branch': {'var1': 1234}}}}, False),
              (
                  {
                      'on-error': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          }
                      }
                  },
                  False
              ),
              (
                  {
                      'on-error': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': '<% * %>'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          }
                      }
                  },
                  True
              ),
              (
                  {
                      'on-error': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': 'email'
                      }
                  },
                  False
              ),
              (
                  {
                      'on-error': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': ['email']
                      }
                  },
                  False
              ),
              (
                  {
                      'on-error': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% 1 %>'}]
                      }
                  },
                  False
              ),
              (
                  {
                      'on-error': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% $.v1 and $.v2 %>'}]
                      }
                  },
                  False
              ),
              (
                  {
                      'on-error': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% * %>'}]
                      }
                  },
                  True
              ),
              ({'on-error': {'next': [{'email': '<% $.v1 %>'}]}}, False),
              ({'on-error': {'next': 'email'}}, False),
              ({'on-error': {'next': ['email']}}, False),
              ({'on-error': {'next': [{'email': 'email'}]}}, True),
              ({'on-complete': {'publish': {'var1': 1234}}}, True),
              ({'on-complete': {'publish': {'branch': {'var1': 1234}}}}, False),
              (
                  {
                      'on-complete': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          }
                      }
                  },
                  False
              ),
              (
                  {
                      'on-complete': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': '<% * %>'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          }
                      }
                  },
                  True
              ),
              (
                  {
                      'on-complete': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': 'email'
                      }
                  },
                  False
              ),
              (
                  {
                      'on-complete': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': ['email']
                      }
                  },
                  False
              ),
              (
                  {
                      'on-complete': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% 1 %>'}]
                      }
                  },
                  False
              ),
              (
                  {
                      'on-complete': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% $.v1 and $.v2 %>'}]
                      }
                  },
                  False
              ),
              (
                  {
                      'on-complete': {
                          'publish': {
                              'branch': {'var1': 1234},
                              'global': {'global_var1': 'val'},
                              'atomic': {'atomic_var1': '<% my_func() %>'}
                          },
                          'next': [{'email': '<% * %>'}]
                      }
                  },
                  True
              ),
              ({'on-complete': {'next': [{'email': '<% $.v1 %>'}]}}, False),
              ({'on-complete': {'next': 'email'}}, False),
              ({'on-complete': {'next': ['email']}}, False),
              ({'on-complete': {'next': [{'email': 'email'}]}}, True)
          ]
  
          for transition, expect_error in tests:
              overlay = {'test': {'tasks': {}}}
  
              utils.merge_dicts(overlay['test']['tasks'], {'get': transition})
  
              self._parse_dsl_spec(
                  add_tasks=True,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_join(self):
          tests = [
              ({'join': ''}, True),
              ({'join': None}, True),
              ({'join': 'all'}, False),
              ({'join': 'one'}, False),
              ({'join': 0}, False),
              ({'join': 2}, False),
              ({'join': 3}, True),
              ({'join': '3'}, True),
              ({'join': -3}, True)
          ]
  
          on_success = {'on-success': ['email']}
  
          for join, expect_error in tests:
              overlay = {'test': {'tasks': {}}}
  
              utils.merge_dicts(overlay['test']['tasks'], {'get': on_success})
              utils.merge_dicts(overlay['test']['tasks'], {'echo': on_success})
              utils.merge_dicts(overlay['test']['tasks'], {'email': join})
  
              self._parse_dsl_spec(
                  add_tasks=True,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_requires(self):
          tests = [
              ({'requires': ''}, True),
              ({'requires': []}, True),
              ({'requires': ['']}, True),
              ({'requires': None}, True),
              ({'requires': 12345}, True),
              ({'requires': ['echo']}, False),
              ({'requires': ['echo', 'get']}, False),
              ({'requires': 'echo'}, False),
          ]
  
          for require, expect_error in tests:
              overlay = {'test': {'tasks': {}}}
  
              utils.merge_dicts(overlay['test'], {'type': 'reverse'})
              utils.merge_dicts(overlay['test']['tasks'], {'email': require})
  
              self._parse_dsl_spec(
                  add_tasks=True,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_keep_result(self):
          tests = [
              ({'keep-result': ''}, True),
              ({'keep-result': []}, True),
              ({'keep-result': 'asd'}, True),
              ({'keep-result': None}, True),
              ({'keep-result': 12345}, True),
              ({'keep-result': True}, False),
              ({'keep-result': False}, False),
              ({'keep-result': "<% 'a' in $.val %>"}, False),
              ({'keep-result': '<% 1 + 2 %>'}, False),
              ({'keep-result': '<% * %>'}, True),
              ({'keep-result': "{{ 'a' in _.val }}"}, False),
              ({'keep-result': '{{ 1 + 2 }}'}, False),
              ({'keep-result': '{{ * }}'}, True)
          ]
  
          for keep_result, expect_error in tests:
              overlay = {'test': {'tasks': {}}}
  
              utils.merge_dicts(overlay['test']['tasks'], {'email': keep_result})
  
              self._parse_dsl_spec(
                  add_tasks=True,
                  changes=overlay,
                  expect_error=expect_error
              )
  
      def test_safe_rerurn(self):
          tests = [
              ({'safe-rerun': True}, False),
              ({'safe-rerun': False}, False),
              ({'safe-rerun': '<% false %>'}, False),
              ({'safe-rerun': '<% true %>'}, False),
              ({'safe-rerun': '<% * %>'}, True),
              ({'safe-rerun': None}, True)
          ]
  
          for default, expect_error in tests:
              overlay = {'test': {'task-defaults': {}}}
  
              utils.merge_dicts(overlay['test']['task-defaults'], default)
  
              self._parse_dsl_spec(
                  add_tasks=True,
                  changes=overlay,
                  expect_error=expect_error
              )
  