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test: add tests for generics used with function scoped types
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‎generics_test.go

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@@ -134,6 +134,22 @@ func TestParseGenericsPackageAlias(t *testing.T) {
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assert.Equal(t, string(expected), string(b))
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}
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func TestParseGenericsFunctionScoped(t *testing.T) {
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t.Parallel()
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searchDir := "testdata/generics_function_scoped"
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expected, err := os.ReadFile(filepath.Join(searchDir, "expected.json"))
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assert.NoError(t, err)
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p := New()
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err = p.ParseAPI(searchDir, mainAPIFile, defaultParseDepth)
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assert.NoError(t, err)
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b, err := json.MarshalIndent(p.swagger, "", " ")
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assert.NoError(t, err)
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assert.Equal(t, string(expected), string(b))
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}
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func TestParametrizeStruct(t *testing.T) {
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pd := PackagesDefinitions{
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packages: make(map[string]*PackageDefinitions),

‎testdata/generics_function_scoped/api/api.go

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package api
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import (
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"net/http"
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"github.com/swaggo/swag/testdata/generics_function_scoped/types"
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)
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// @Summary Generic Response
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// @Produce json
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// @Success 200 {object} types.GenericResponse[api.GetGeneric.User]
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// @Success 201 {object} types.GenericResponse[api.GetGeneric.Post]
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// @Router / [get]
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func GetGeneric(w http.ResponseWriter, r *http.Request) {
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type User struct {
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Username int `json:"username"`
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Email string `json:"email"`
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}
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type Post struct {
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Slug int `json:"slug"`
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Title string `json:"title"`
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}
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_ = types.GenericResponse[any]{}
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}
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// @Summary Generic Response With Custom Type Names
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// @Produce json
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// @Success 200 {object} types.GenericResponse[api.GetGenericRenamed.User]
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// @Success 201 {object} types.GenericResponse[api.GetGenericRenamed.Post]
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// @Router /renamed [get]
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func GetGenericRenamed(w http.ResponseWriter, r *http.Request) {
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type User struct {
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Username int `json:"username"`
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Email string `json:"email"`
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} // @Name RenamedUserData
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type Post struct {
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Slug int `json:"slug"`
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Title string `json:"title"`
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} // @Name RenamedPostData
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_ = types.GenericResponse[any]{}
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}
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// @Summary Multiple Generic Response
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// @Produce json
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// @Success 200 {object} types.GenericMultiResponse[api.GetGenericMulti.MyStructA, api.GetGenericMulti.MyStructB]
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// @Success 201 {object} types.GenericMultiResponse[api.GetGenericMulti.MyStructB, api.GetGenericMulti.MyStructA]
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// @Router /multi [get]
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func GetGenericMulti(w http.ResponseWriter, r *http.Request) {
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type MyStructA struct {
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SomeFieldA string `json:"some_field_a"`
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}
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type MyStructB struct {
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SomeFieldB string `json:"some_field_b"`
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}
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_ = types.GenericMultiResponse[any, any]{}
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}
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// @Summary Multiple Generic Response With Custom Type Names
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// @Produce json
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// @Success 200 {object} types.GenericMultiResponse[api.GetGenericMultiRenamed.MyStructA, api.GetGenericMultiRenamed.MyStructB]
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// @Success 201 {object} types.GenericMultiResponse[api.GetGenericMultiRenamed.MyStructB, api.GetGenericMultiRenamed.MyStructA]
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// @Router /multi-renamed [get]
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func GetGenericMultiRenamed(w http.ResponseWriter, r *http.Request) {
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type MyStructA struct {
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SomeFieldA string `json:"some_field_a"`
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} // @Name NameForMyStructA
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type MyStructB struct {
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SomeFieldB string `json:"some_field_b"`
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} // @Name NameForMyStructB
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_ = types.GenericMultiResponse[any, any]{}
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}

‎testdata/generics_function_scoped/expected.json

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{
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"swagger": "2.0",
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"info": {
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"description": "This is a sample server.",
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"title": "Swagger Example API",
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"contact": {},
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"version": "1.0"
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},
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"host": "localhost:8080",
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"basePath": "/api",
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"paths": {
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"/": {
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"get": {
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"produces": [
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"application/json"
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],
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"summary": "Generic Response",
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"responses": {
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"200": {
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"description": "OK",
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"schema": {
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"$ref": "#/definitions/types.GenericResponse-api_GetGeneric_User"
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}
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},
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"201": {
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"description": "Created",
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"schema": {
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"$ref": "#/definitions/types.GenericResponse-api_GetGeneric_Post"
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}
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}
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}
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}
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},
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"/multi": {
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"get": {
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"produces": [
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"application/json"
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],
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"summary": "Multiple Generic Response",
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"responses": {
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"200": {
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"description": "OK",
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"schema": {
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"$ref": "#/definitions/types.GenericMultiResponse-api_GetGenericMulti_MyStructA-api_GetGenericMulti_MyStructB"
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}
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},
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"201": {
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"description": "Created",
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"schema": {
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"$ref": "#/definitions/types.GenericMultiResponse-api_GetGenericMulti_MyStructB-api_GetGenericMulti_MyStructA"
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}
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}
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}
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}
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},
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"/multi-renamed": {
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"get": {
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"produces": [
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"application/json"
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],
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"summary": "Multiple Generic Response With Custom Type Names",
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"responses": {
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"200": {
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"description": "OK",
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"schema": {
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"$ref": "#/definitions/types.GenericMultiResponse-NameForMyStructA-NameForMyStructB"
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}
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},
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"201": {
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"description": "Created",
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"schema": {
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"$ref": "#/definitions/types.GenericMultiResponse-NameForMyStructB-NameForMyStructA"
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}
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}
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}
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}
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},
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"/renamed": {
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"get": {
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"produces": [
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"application/json"
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],
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"summary": "Generic Response With Custom Type Names",
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"responses": {
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"200": {
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"description": "OK",
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"schema": {
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"$ref": "#/definitions/types.GenericResponse-RenamedUserData"
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}
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},
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"201": {
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"description": "Created",
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"schema": {
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"$ref": "#/definitions/types.GenericResponse-RenamedPostData"
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}
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}
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}
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}
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}
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},
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"definitions": {
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"NameForMyStructA": {
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"type": "object",
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"properties": {
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"some_field_a": {
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"type": "string"
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}
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}
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},
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"NameForMyStructB": {
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"type": "object",
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"properties": {
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"some_field_b": {
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"type": "string"
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}
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}
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},
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"RenamedPostData": {
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"type": "object",
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"properties": {
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"slug": {
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"type": "integer"
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},
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"title": {
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"type": "string"
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}
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}
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},
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"RenamedUserData": {
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"type": "object",
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"properties": {
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"email": {
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"type": "string"
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},
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"username": {
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"type": "integer"
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}
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}
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},
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"api.GetGeneric.Post": {
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"type": "object",
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"properties": {
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"slug": {
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"type": "integer"
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},
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"title": {
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"type": "string"
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}
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}
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},
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"api.GetGeneric.User": {
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"type": "object",
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"properties": {
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"email": {
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"type": "string"
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},
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"username": {
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"type": "integer"
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}
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}
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},
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"api.GetGenericMulti.MyStructA": {
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"type": "object",
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"properties": {
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"some_field_a": {
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"type": "string"
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}
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}
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},
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"api.GetGenericMulti.MyStructB": {
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"type": "object",
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"properties": {
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"some_field_b": {
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"type": "string"
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}
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}
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},
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"types.GenericMultiResponse-NameForMyStructA-NameForMyStructB": {
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"type": "object",
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"properties": {
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"data_t": {
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"$ref": "#/definitions/NameForMyStructA"
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},
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"data_x": {
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"$ref": "#/definitions/NameForMyStructB"
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},
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"status": {
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"type": "string"
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}
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}
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},
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"types.GenericMultiResponse-NameForMyStructB-NameForMyStructA": {
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"type": "object",
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"properties": {
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"data_t": {
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"$ref": "#/definitions/NameForMyStructB"
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},
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"data_x": {
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"$ref": "#/definitions/NameForMyStructA"
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},
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"status": {
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"type": "string"
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}
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}
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},
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"types.GenericMultiResponse-api_GetGenericMulti_MyStructA-api_GetGenericMulti_MyStructB": {
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"type": "object",
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"properties": {
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"data_t": {
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"$ref": "#/definitions/api.GetGenericMulti.MyStructA"
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},
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"data_x": {
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"$ref": "#/definitions/api.GetGenericMulti.MyStructB"
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},
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"status": {
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"type": "string"
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}
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}
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},
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"types.GenericMultiResponse-api_GetGenericMulti_MyStructB-api_GetGenericMulti_MyStructA": {
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"type": "object",
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"properties": {
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"data_t": {
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"$ref": "#/definitions/api.GetGenericMulti.MyStructB"
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},
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"data_x": {
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"$ref": "#/definitions/api.GetGenericMulti.MyStructA"
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},
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"status": {
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"type": "string"
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}
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}
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},
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"types.GenericResponse-RenamedPostData": {
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"type": "object",
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"properties": {
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"data": {
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"$ref": "#/definitions/RenamedPostData"
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},
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"status": {
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"type": "string"
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}
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}
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},
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"types.GenericResponse-RenamedUserData": {
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"type": "object",
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"properties": {
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"data": {
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"$ref": "#/definitions/RenamedUserData"
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},
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"status": {
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"type": "string"
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}
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}
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},
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"types.GenericResponse-api_GetGeneric_Post": {
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"type": "object",
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"properties": {
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"data": {
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"$ref": "#/definitions/api.GetGeneric.Post"
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},
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"status": {
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"type": "string"
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}
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}
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},
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"types.GenericResponse-api_GetGeneric_User": {
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"type": "object",
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"properties": {
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"data": {
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"$ref": "#/definitions/api.GetGeneric.User"
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},
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"status": {
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"type": "string"
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}
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}
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}
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}
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}

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