Ben Kietzman created ARROW-8037:
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Summary: [Developer][Integration] Consolidate example JSON and
test/validate uniformly
Key: ARROW-8037
URL: https://issues.apache.org/jira/browse/ARROW-8037
Project: Apache Arrow
Issue Type: Improvement
Components: Integration
Affects Versions: 0.16.0
Reporter: Ben Kietzman
Fix For: 1.0.0
Currently the schema for the integration JSON representation is expressed in
prose only. It should be rewritten using a JSON schema representation and used
to validate generated as well as (checked-in) example JSON. {{jsonschema}}
would work https://python-jsonschema.readthedocs.io/en/stable/validate/
Additionally, languages unit test their JSON parsers/converters against
differing example JSON:
C++ includes some inline
https://github.com/apache/arrow/blob/b0bb6841af91ed2fddc201ca1ff6bedac7629e2e/cpp/src/arrow/ipc/json_integration_test.cc#L317-L346
While Java uses an explicit file
https://github.com/apache/arrow/blob/5b783fe35284c97f6bcf107650ba7cfd66a76750/java/tools/src/test/java/org/apache/arrow/tools/TestIntegration.java#L189
This is brittle and difficult to discover. A single directory of checked-in
example JSON should be assembled, against which all languages should unit test.
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