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fix: schema enum validation #464

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fourcels
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@fourcels fourcels commented Jun 4, 2024

type LockType uint

const (
	NFC LockType = iota + 1
	Bluetooth
)

func (*LockType) Schema(r huma.Registry) *huma.Schema {
	schema := huma.SchemaFromType(r, reflect.TypeOf(0))
	schema.Enum = []any{NFC, Bluetooth}
	return schema
}
{
  "title": "Unprocessable Entity",
  "status": 422,
  "detail": "validation failed",
  "errors": [
    {
      "message": "expected value to be one of \"1, 2\"",
      "location": "body.type",
      "value": 1
    }
  ]
}

Summary by CodeRabbit

  • Bug Fixes
    • Improved validation logic to ensure correct comparison of enum values.

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coderabbitai bot commented Jun 4, 2024

Walkthrough

The change in the validate.go file involves updating the comparison logic within a loop that checks for the presence of a value in a list of enums. The enhancement ensures that the enum value is converted to a string before performing the comparison, improving the accuracy and reliability of the validation process.

Changes

File Change Summary
validate.go Modified comparison logic within the loop to convert the enum value to a string before comparison.

Poem

In the code where enums play,
A string conversion saves the day.
Validation now more true,
Ensures the values pass on through.
🎉 Hooray for changes, hip-hip-hooray! 🎉


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codecov bot commented Jun 4, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.84%. Comparing base (158b076) to head (355b230).

Additional details and impacted files
@@           Coverage Diff           @@
##             main     #464   +/-   ##
=======================================
  Coverage   92.84%   92.84%           
=======================================
  Files          22       22           
  Lines        3761     3762    +1     
=======================================
+ Hits         3492     3493    +1     
  Misses        225      225           
  Partials       44       44           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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Actionable comments posted: 0

Outside diff range and nitpick comments (6)
validate.go (6)

Line range hint 748-748: Undefined type Registry.

Please ensure that the Registry type is defined within the scope of this project or imported correctly.


Line range hint 184-184: Undefined type Schema.

The Schema type is referenced but not defined or imported in this file. Please define it or include the appropriate package.


Line range hint 262-262: Undefined type Registry in multiple locations.

The Registry type is used but not defined or imported. This issue appears in multiple locations and needs to be addressed to ensure the code compiles.

Also applies to: 280-280


Line range hint 162-162: Undefined type ErrorDetail.

The ErrorDetail type is used in error handling but is not defined or imported. This needs to be resolved to properly handle errors.

Also applies to: 172-172


Line range hint 345-345: Undefined types for schema validation.

Several types such as TypeBoolean, TypeNumber, TypeString, TypeArray, and TypeObject are used for schema validation but are not defined or imported. These should be declared or the appropriate packages should be imported.

Also applies to: 350-350, 408-408, 444-444, 477-477


Line range hint 757-757: Undefined function NewMapRegistry.

The function NewMapRegistry is called but not defined or imported in this file. Please ensure it is available within the project's scope.

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 158b076 and 355b230.

Files selected for processing (1)
  • validate.go (1 hunks)
Additional context used
golangci-lint
validate.go

748-748: undefined: Registry


184-184: undefined: Schema


262-262: undefined: Registry


280-280: undefined: Registry


162-162: undefined: ErrorDetail


172-172: undefined: ErrorDetail


345-345: undefined: TypeBoolean


350-350: undefined: TypeNumber


408-408: undefined: TypeString


444-444: undefined: TypeArray


477-477: undefined: TypeObject


757-757: undefined: NewMapRegistry

Additional comments not posted (1)
validate.go (1)

490-492: Ensure consistent enum value comparison by converting to string.

This change aligns with the PR's objective to fix schema enum validation by ensuring that the comparison is done using string representations, which matches the JSON error message expectations.

@ross96D
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ross96D commented Jun 4, 2024

@danielgtaylor i think this issue relates to #438. A good solution on #438 solves the problem here and avoids the use of a fmt.Sprint which allocates and seems a bit hacky

@fourcels fourcels closed this Jun 4, 2024
@codercms
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@danielgtaylor is there any chances to get support for enum types?

type VehicleType string

const (
	VehicleTypeCar     VehicleType = "car"
	VehicleTypeTruck   VehicleType = "truck"
	VehicleTypeSpecial VehicleType = "special"
)

func (*VehicleType) Schema(r huma.Registry) *huma.Schema {
	schema := huma.SchemaFromType(r, reflect.TypeFor[string]()) // always complains that the validation failed
	schema.Enum = []any{VehicleTypeCar, VehicleTypeTruck, VehicleTypeSpecial}
	return schema
}
func (*VehicleType) Schema(r huma.Registry) *huma.Schema {
	schema := huma.SchemaFromType(r, reflect.TypeFor[VehicleType]()) // panics
	schema.Enum = []any{VehicleTypeCar, VehicleTypeTruck, VehicleTypeSpecial}
	return schema
}

Actually enums are quite common in API schemas

@fourcels
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@codercms have a try

func (*VehicleType) Schema(r huma.Registry) *huma.Schema {
	schema := huma.SchemaFromType(r, reflect.TypeFor[string]()) // always complains that the validation failed
	schema.Enum = []any{string(VehicleTypeCar), string(VehicleTypeTruck), string(VehicleTypeSpecial)}
	return schema
}

@codercms
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@fourcels it works, thanks :)

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3 participants