alibaba/GraphScope

[GIE/tests] Add `PathExpand` test cases for GIE

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#2,882 opened on Jun 14, 2023

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Description

There currently lacks in PathExpand test cases in GIE (e2e), especially that we provide syntactic sugars in PathExpand to denote some complex situations. About the syntactic, you can refer to the Doc: https://graphscope.io/docs/latest/interactive_engine/supported_gremlin_steps#pathexpand

It's thus welcome to add more PathExpand test cases. It's easy to do so, simply prepare the PathExpand case and the expected result (by using Tinkerpop) in: https://github.com/alibaba/GraphScope/blob/main/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/gremlin/integration/suite/standard/IrGremlinQueryTest.java

You can run the test locally according to: https://graphscope.io/docs/latest/interactive_engine/dev_and_test The case will also be verified in the ci workflow.

Contributor guide

Tech stack
javagraphql
Domain
testing
Issue type
test
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
JavaGremlinTinkerPoptest framework experience
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75
Research direction
Start by reading the documentation on PathExpand syntax at https://graphscope.io/docs/latest/interactive engine/supported gremlin steps#pathexpand and examine the existing test file at interactive engine/compiler/src/main/java/com/alibaba/graphscope/gremlin/integration/suite/standard/IrGremlinQueryTest.java. Understand the pattern for adding test cases: prepare the PathExpand query and the expected result using TinkerPop. Follow the local development guide at https://graphscope.io/docs/latest/interactive engine/dev and test to run tests. No existing PRs or comments are present; the issue is open for contribution.