mengw15 opened a new issue, #6334:
URL: https://github.com/apache/texera/issues/6334
### Task Summary
`agent-service/src/agent/util/workflow-utils.ts` (codecov ~9.8%) exports
`extractOperatorInputPortSchemaMap(...)`, a pure function (type-only imports)
mapping each input port of an operator to its resolved upstream schema.
`agent-service` uses `bun test`; add a `.spec.ts` next to the file.
### Behavior to cover
- Operator with no input links -> returns `undefined`
- One input port fed by one link -> map is `{ [serializePortIdentity(0,
false)]: <source output schema> }`
- Link whose source operator is absent from `outputSchemas` -> that port's
schema is `undefined`
- Link whose `link.source.portID` fails `parseLogicalOperatorPortID` -> that
source contributes `undefined`
- A link is matched to a port when
`parseLogicalOperatorPortID(link.target.portID).portNumber === portIndex`
- Multiple input ports -> each keyed by its own
`serializePortIdentity(portIndex, false)`
### Task Type
- [ ] Refactor / Cleanup
- [ ] DevOps / Deployment / CI
- [x] Testing / QA
- [ ] Documentation
- [ ] Performance
- [ ] Other
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