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''' |
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Licensed to the Apache Software Foundation (ASF) under one |
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or more contributor license agreements. See the NOTICE file |
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distributed with this work for additional information |
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regarding copyright ownership. The ASF licenses this file |
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to you under the Apache License, Version 2.0 (the |
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"License"); you may not use this file except in compliance |
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with the License. You may obtain a copy of the License at |
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http://www.apache.org/licenses/LICENSE-2.0 |
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Unless required by applicable law or agreed to in writing, |
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software distributed under the License is distributed on an |
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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KIND, either express or implied. See the License for the |
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specific language governing permissions and limitations |
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under the License. |
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''' |
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'''THIS FILE HAS BEEN MODIFIED BY DAVID M. BROWN TO SUPPORT PEP 492''' |
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__author__ = 'Marko A. Rodriguez (http://markorodriguez.com)' |
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from aiogremlin.structure.graph import Graph |
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from gremlin_python.process.traversal import P |
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from gremlin_python.process.traversal import Binding |
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from gremlin_python.process.graph_traversal import __ |
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class TestTraversal: |
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def test_bytecode(self): |
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g = Graph().traversal() |
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bytecode = g.V().out("created").bytecode |
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assert 0 == len(bytecode.bindings.keys()) |
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assert 0 == len(bytecode.source_instructions) |
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assert 2 == len(bytecode.step_instructions) |
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assert "V" == bytecode.step_instructions[0][0] |
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assert "out" == bytecode.step_instructions[1][0] |
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assert "created" == bytecode.step_instructions[1][1] |
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assert 1 == len(bytecode.step_instructions[0]) |
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assert 2 == len(bytecode.step_instructions[1]) |
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## |
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bytecode = g.withSack(1).E().groupCount().by("weight").bytecode |
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assert 0 == len(bytecode.bindings.keys()) |
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assert 1 == len(bytecode.source_instructions) |
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assert "withSack" == bytecode.source_instructions[0][0] |
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assert 1 == bytecode.source_instructions[0][1] |
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assert 3 == len(bytecode.step_instructions) |
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assert "E" == bytecode.step_instructions[0][0] |
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assert "groupCount" == bytecode.step_instructions[1][0] |
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assert "by" == bytecode.step_instructions[2][0] |
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assert "weight" == bytecode.step_instructions[2][1] |
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assert 1 == len(bytecode.step_instructions[0]) |
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assert 1 == len(bytecode.step_instructions[1]) |
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assert 2 == len(bytecode.step_instructions[2]) |
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## |
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bytecode = g.V(('a',[1,2,3])).out(('b','created')).where(__.in_(('c','created'),('d','knows')).count().is_(('e',P.gt(2)))).bytecode |
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assert 'V' == bytecode.step_instructions[0][0] |
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assert 'out' == bytecode.step_instructions[1][0] |
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assert 'where' == bytecode.step_instructions[2][0] |
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assert ('b', 'created') == bytecode.step_instructions[1][1] |
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assert isinstance(hash(bytecode.step_instructions[1][1]),int) |
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def test_P(self): |
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# verify that the order of operations is respected |
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assert "and(eq(a),lt(b))" == str(P.eq("a").and_(P.lt("b"))) |
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assert "and(or(lt(b),gt(c)),neq(d))" == str(P.lt("b").or_(P.gt("c")).and_(P.neq("d"))) |
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assert "and(or(lt(b),gt(c)),or(neq(d),gte(e)))" == str( |
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P.lt("b").or_(P.gt("c")).and_(P.neq("d").or_(P.gte("e")))) |
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def test_anonymous_traversal(self): |
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bytecode = __.__(1).bytecode |
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assert 0 == len(bytecode.bindings.keys()) |
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assert 0 == len(bytecode.source_instructions) |
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assert 1 == len(bytecode.step_instructions) |
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assert "inject" == bytecode.step_instructions[0][0] |
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assert 1 == bytecode.step_instructions[0][1] |
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## |
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bytecode = __.start().bytecode |
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assert 0 == len(bytecode.bindings.keys()) |
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assert 0 == len(bytecode.source_instructions) |
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assert 0 == len(bytecode.step_instructions) |
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goblin-ogm /
aiogremlin
