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https://issues.apache.org/jira/browse/TINKERPOP-2443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17218486#comment-17218486
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Stephen Mallette commented on TINKERPOP-2443:
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the approach i wrote in the issue description falls apart. everything works
right up to the point where variables come into play. when that happens you
can't just run the Gremlin through the ScriptEngine to get the traversal
instance as it will just be annoyed that there is no binding for the variable.
if i fake the binding it will evaluate but i lose the variable which needs to
exist somehow for the test to complete properly. need another way.....
> Improve testing of Translator instances for non-JVM languages with focus on
> Python as a model
> ---------------------------------------------------------------------------------------------
>
> Key: TINKERPOP-2443
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2443
> Project: TinkerPop
> Issue Type: Improvement
> Components: python, test-suite, translator
> Affects Versions: 3.4.8
> Reporter: Stephen Mallette
> Assignee: Stephen Mallette
> Priority: Major
>
> It's easy to test a translator like {{GroovyTranslator}} because it runs on
> the JVM and can hook directly into the standard gremlin-test suite. Off the
> JVM it's a bit harder because you need a way to run the generated code in the
> language environment you generated for. So, for {{PythonTranslator}} we would
> need to hook into the Gherkin tests somehow. I was thinking we could generate
> a python file on builds that runs through the Gherkin tests to produce the
> translated version of the Gremlin. That would become a lookup by the test
> scenario name when executing the Radish tests. In that way we get to test if
> the translated Gremlin compiles and executes natively. That might also rid
> ourselves of the "manual" translation we do now in a piece of code like
> {{feature_steps.py}} which has to string parse Gremlin to produce the
> compliable Python.
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