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Document schema resolver duplicate titles behaviour #656

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merged 1 commit into from
Mar 7, 2025

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zorbash
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@zorbash zorbash commented Mar 6, 2025

This PR clarifies and tests the behaviour of SchemaResolved when it encounters schema modules with the same title.
See: #587, #566

It adds the following admonition block:

Screenshot 2025-03-07 at 13 33 12

Alternatives Considered / Future Work

When a schema module we're resolving already exists in components.schemas and its x-struct is different from the module being resolved we can log a warning. This can turn out to be very noisy this library currently logs very little.


new_schemas =
if Map.has_key?(schemas, title) do
schemas
else
{new_schema, schemas} = resolve_schema_modules_from_schema(schema.schema(), schemas)
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We were calling schema/0 twice for no obvious reason.

Comment on lines +74 to +107
"/api/users/{id}/friends" => %PathItem{
get: %Operation{
parameters: [
%OpenApiSpex.Parameter{
name: :id,
in: :path,
schema: %Schema{type: :integer}
}
],
responses: %{
200 => %Response{
description: "Success",
content: %{
"application/json" => %MediaType{
schema: %Schema{
type: :array,
items: OpenApiSpexTest.Schemas.User
}
}
}
}
}
}
}
},
"/api/users/subscribe" => %PathItem{
post: %Operation{
description: "Subscribe to user updates",
operationId: "UserController.subscribe",
requestBody: %RequestBody{
required: true,
content: %{
"application/json" => %MediaType{
schema: OpenApiSpexTest.Schemas.UserSubscribeRequest
},
"/api/users/subscribe" => %PathItem{
post: %Operation{
description: "Subscribe to user updates",
operationId: "UserController.subscribe",
requestBody: %RequestBody{
required: true,
content: %{
"application/json" => %MediaType{
schema: OpenApiSpexTest.Schemas.UserSubscribeRequest
}
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mix format changes.

@zorbash zorbash mentioned this pull request Mar 6, 2025
@zorbash zorbash merged commit 439fadc into master Mar 7, 2025
8 checks passed
@zorbash zorbash deleted the warn-duplicate-schemas branch March 7, 2025 15:50
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