add Go struct and JSON schema sync test#173
add Go struct and JSON schema sync test#173pradhyum6144 wants to merge 1 commit intomodelpack:mainfrom
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Summary of ChangesHello @pradhyum6144, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request introduces an automated mechanism to maintain consistency between Go struct definitions and their JSON schema representations. By adding a new Go test that uses reflection, it ensures that any changes to core Go structs are reflected in the JSON schema, preventing schema drift. The PR also includes a fix for existing discrepancies in the Highlights
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This pull request introduces a valuable test to ensure synchronization between Go structs and their corresponding JSON schema definitions, which is a great step for maintainability. The new test has already proven its worth by identifying and helping fix missing reward and languages fields in the ModelCapabilities schema. However, I've found a logical issue in the test's type-matching function that could cause it to miss certain kinds of schema drift. I've provided a suggestion to correct this, ensuring the test is more robust.
schema/sync_test.go
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| if p.Type != e.typ { | ||
| return false | ||
| } | ||
| if e.format != "" && p.Format != e.format { | ||
| return false | ||
| } | ||
| if e.typ == "array" && e.items != nil && p.Items != nil { | ||
| return matchesExpected(*p.Items, *e.items) | ||
| } | ||
| return true |
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The type matching logic in matchesExpected has a couple of issues that could cause it to incorrectly report a match, undermining the purpose of this test:
- Format Check: The check for
formatis one-sided. It will fail if the Go type expects a format and the schema doesn't have one, but it will incorrectly pass if the schema has a format that the Go type doesn't expect. - Array Items Check: The check for array
itemsis incomplete. If the Go type is an array of a specific type (e.g.,[]string), but the schema just defines"type": "array"without anitemsblock, the function will incorrectly report a match.
This could lead to a false sense of security, as some schema drifts might not be detected. The suggested change corrects both of these issues by ensuring the format matches exactly and by properly validating the presence and type of array items.
if p.Type != e.typ || p.Format != e.format {
return false
}
if e.typ == "array" {
if (p.Items == nil) != (e.items == nil) {
return false // Mismatch: one defines items, the other doesn't.
}
if p.Items != nil { // implies e.items is also not nil
return matchesExpected(*p.Items, *e.items)
}
}
return true
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…schema Signed-off-by: pradhyum6144 <pradhyum314@gmail.com>
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Adds a test that uses Go reflection to automatically detect drift between Go struct fields and JSON schema properties. The test compares all five struct types (Model, ModelDescriptor, ModelConfig, ModelCapabilities, ModelFS) against their schema definitions and reports missing fields, extra properties, or type mismatches. This also fixes the missing reward and languages fields in the ModelCapabilities schema that the test caught. The test runs automatically with go test in CI, so any future struct changes without matching schema updates will be caught immediately.
Closes #91