chore: import upstream snapshot with attribution

internal/contracts/openapi_schema_test.go

@@ -0,0 +1,76 @@
+package contracts
+
+import "testing"
+
+func TestOpenAPI_YAML_RequestResponseAndStatus(t *testing.T) {
+	src := []byte(`openapi: 3.0.0
+info:
+  title: Users
+  version: "1.0"
+paths:
+  /users:
+    post:
+      summary: Create user
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/CreateUserReq'
+      responses:
+        '201':
+          description: Created
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/UserResp'
+        '400':
+          description: Bad request
+components:
+  schemas:
+    CreateUserReq:
+      type: object
+    UserResp:
+      type: object
+`)
+	cs := (&OpenAPIExtractor{}).Extract("api/users.yaml", src, nil, nil)
+	c := findContract(t, cs, "http::POST::/users", RoleProvider)
+
+	assertMetaString(t, c, "request_type", "CreateUserReq")
+	assertMetaString(t, c, "response_type", "UserResp")
+	assertMetaInts(t, c, "status_codes", []int{201, 400})
+	assertMetaString(t, c, "schema_source", "extracted")
+}
+
+func TestOpenAPI_YAML_NoBodies_SchemaSourceNone(t *testing.T) {
+	src := []byte(`openapi: 3.0.0
+paths:
+  /health:
+    get:
+      responses:
+        '200':
+          description: OK
+`)
+	cs := (&OpenAPIExtractor{}).Extract("api/health.yaml", src, nil, nil)
+	c := findContract(t, cs, "http::GET::/health", RoleProvider)
+	assertMetaString(t, c, "schema_source", "none")
+	assertMetaInts(t, c, "status_codes", []int{200})
+}
+
+func TestOpenAPI_JSON_RequestResponse(t *testing.T) {
+	src := []byte(`{
+  "openapi": "3.0.0",
+  "paths": {
+    "/users": {
+      "post": {
+        "requestBody": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/CreateUserReq" } } } },
+        "responses": { "201": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/UserResp" } } } } }
+      }
+    }
+  }
+}`)
+	cs := (&OpenAPIExtractor{}).Extract("api/users.json", src, nil, nil)
+	c := findContract(t, cs, "http::POST::/users", RoleProvider)
+	assertMetaString(t, c, "request_type", "CreateUserReq")
+	assertMetaString(t, c, "response_type", "UserResp")
+}