openCypher artefacts

openCypher artefacts

Mats Rydberg

[email protected]

opencypher.org | [email protected]

openCypher artefact development • Open source community • Goals • Make it simple to use Cypher in a tool or product • Encourage involvement from external parties

opencypher.org | [email protected]

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Overview • Grammar specification • EBNF • Antlr • Railroad diagrams

• TCK

opencypher.org | [email protected]

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Grammar specification • Portable source format (XML) • Dynamically derived to parsers • EBNF • Antlr • ...

• Railroad diagrams

opencypher.org | [email protected]

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Railroad diagrams

opencypher.org | [email protected]

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TCK (Technology Compatibility Kit) • Written in Cucumber • Grouped into features, each of which consists of a set of independent scenarios • > 800 scenarios • A scenario consists of ordered steps which define the scenario's prerequisites, input, and expected output All existing features present in the openCypher GitHub repository opencypher.org | [email protected]

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TCK, example

opencypher.org | [email protected]

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That's it!

Questions ? opencypher.org | [email protected]