Implement randomized schema test#227
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Pull Request Overview
This PR implements a randomized schema testing framework that generates random STEF schemas and validates the code generation pipeline. It also fixes several bugs discovered during the implementation.
- Adds a new
TestRandomizedSchematest that generates random schemas using a configurable seed for reproducibility - Fixes template logic for handling enum types in arrays and multimap SetKey methods
- Adds schema pretty-printing functionality to help debug failing test cases
Reviewed Changes
Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| stefc/templates/go/multimap.go.tmpl | Fixes conditional logic for generating SetKey method based on primitive types |
| stefc/templates/go/array.go.tmpl | Adds enum support in CopyFromSlice and fixes storage type conversion in mutateRandom |
| stefc/generator/testdata/enum_array.stef | Adds test data file for enum array functionality |
| stefc/generator/generator_test.go | Implements randomized schema generator and test infrastructure |
| stefc/generator/compileschema.go | Improves type resolution for arrays and adds enum validation |
| go/pkg/schema/schema_prettyprint_test.go | Adds comprehensive tests for schema pretty-printing functionality |
| go/pkg/schema/schema.go | Implements PrettyPrint method for converting schemas back to SDL format |
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maheshkanote
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@tigrannajaryan this is interesting way of verifying the stef schemas.
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Resolves #183 This adds a new TestRandomizedSchema that generates a schema using random number generator, then compiles and runs the tests for the schema. The new test revealed a number of bugs. I fixed a few of the smaller ones. There are more bugs, but I don't want to overload this PR. For now TestRandomizedSchema does not fail the build when it finds a buggy schema, but merely logs it. After this PR is merged I will fix every failing schema one by one.
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Resolves #183
This adds a new TestRandomizedSchema that generates a schema using random number generator, then compiles and runs the tests for the schema.
The new test revealed a number of bugs. I fixed a few of the smaller ones. There are more bugs but I don't want to overload this PR. For now TestRandomizedSchema does not fail the build when it finds a buggy schema, but merely logs it. After this PR is merged I will fix every failing schema one by one.