# 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 orquesta.tests.unit.composition.native import base


class CyclicWorkflowComposerTest(base.OrchestraWorkflowComposerTest):

    def test_cycle(self):
        wf_name = 'cycle'

        expected_wf_graph = {
            'directed': True,
            'graph': {},
            'nodes': [
                {
                    'id': 'prep'
                },
                {
                    'id': 'task1'
                },
                {
                    'id': 'task2'
                },
                {
                    'id': 'task3'
                }
            ],
            'adjacency': [
                [
                    {
                        'id': 'task1',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task2',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task3',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task1',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() and ctx().count < 2 %>']
                    }
                ]
            ],
            'multigraph': True
        }

        self.assert_compose_to_wf_graph(wf_name, expected_wf_graph)

        expected_wf_ex_graph = {
            'directed': True,
            'graph': {},
            'nodes': [
                {
                    'id': 'prep'
                },
                {
                    'id': 'task1'
                },
                {
                    'id': 'task2'
                },
                {
                    'id': 'task3'
                }
            ],
            'adjacency': [
                [
                    {
                        'id': 'task1',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task2',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task3',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task1',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() and ctx().count < 2 %>']
                    }
                ]
            ],
            'multigraph': True
        }

        self.assert_compose_to_wf_ex_graph(wf_name, expected_wf_ex_graph)

    def test_cycles(self):
        wf_name = 'cycles'

        expected_wf_graph = {
            'directed': True,
            'graph': {},
            'nodes': [
                {
                    'id': 'prep'
                },
                {
                    'id': 'task1'
                },
                {
                    'id': 'task2'
                },
                {
                    'id': 'task3'
                },
                {
                    'id': 'task4'
                },
                {
                    'id': 'task5'
                }
            ],
            'adjacency': [
                [
                    {
                        'id': 'task1',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task2',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task3',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() and not ctx().proceed %>']
                    },
                    {
                        'id': 'task5',
                        'key': 0,
                        'ref': 1,
                        'criteria': ['<% succeeded() and ctx().proceed %>']
                    }
                ],
                [
                    {
                        'id': 'task4',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task2',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task1',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() and ctx().count < 2 %>']
                    }
                ]
            ],
            'multigraph': True
        }

        self.assert_compose_to_wf_graph(wf_name, expected_wf_graph)

        expected_wf_ex_graph = {
            'directed': True,
            'graph': {},
            'nodes': [
                {
                    'id': 'prep'
                },
                {
                    'id': 'task1'
                },
                {
                    'id': 'task2'
                },
                {
                    'id': 'task3'
                },
                {
                    'id': 'task4'
                },
                {
                    'id': 'task5'
                }
            ],
            'adjacency': [
                [
                    {
                        'id': 'task1',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task2',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task3',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() and not ctx().proceed %>']
                    },
                    {
                        'id': 'task5',
                        'key': 0,
                        'ref': 1,
                        'criteria': ['<% succeeded() and ctx().proceed %>']
                    }
                ],
                [
                    {
                        'id': 'task4',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task2',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() %>']
                    }
                ],
                [
                    {
                        'id': 'task1',
                        'key': 0,
                        'ref': 0,
                        'criteria': ['<% succeeded() and ctx().count < 2 %>']
                    }
                ]
            ],
            'multigraph': True
        }

        self.assert_compose_to_wf_ex_graph(wf_name, expected_wf_ex_graph)

    def test_rollback_retry(self):
        wf_name = 'rollback-retry'

        expected_wf_ex_graph = {
            'directed': True,
            'graph': [],
            'nodes': [
                {
                    'id': 'init'
                },
                {
                    'id': 'create'
                },
                {
                    'id': 'rollback'
                },
                {
                    'id': 'check'
                },
                {
                    'id': 'delete'
                }
            ],
            'adjacency': [
                [
                    {
                        'id': 'create',
                        'key': 0,
                        'ref': 0,
                        'criteria': [
                            '<% succeeded() %>'
                        ]
                    },
                    {
                        'id': 'check',
                        'key': 0,
                        'ref': 0,
                        'criteria': [
                            '<% succeeded() %>'
                        ]
                    }
                ],
                [],
                [
                    {
                        'id': 'check',
                        'key': 0,
                        'ref': 0,
                        'criteria': [
                            '<% succeeded() %>'
                        ]
                    }
                ],
                [
                    {
                        'id': 'rollback',
                        'key': 0,
                        'ref': 1,
                        'criteria': [
                            '<% failed() %>'
                        ]
                    },
                    {
                        'id': 'delete',
                        'key': 0,
                        'ref': 0,
                        'criteria': [
                            '<% succeeded() %>'
                        ]
                    }
                ],
                []
            ],
            'multigraph': True
        }

        self.assert_compose_to_wf_ex_graph(wf_name, expected_wf_ex_graph)
