feat: add test for the specific case

Author: AlbinaBlazhko17

tests/e2e/bundle/parameters-reference-to-schemas/openapi.yaml

@@ -0,0 +1,17 @@
+openapi: 3.0.0
+info:
+  title: Sample API
+  version: 1.0.0
+paths:
+  /users:
+    get:
+      operationId: getUsers
+      summary: Get a list of users
+      parameters:
+        - $ref: parameters.yaml#/Param
+      responses:
+        '200':
+          description: A list of users
+          content:
+            application/json:
+              schema: {}

tests/e2e/bundle/parameters-reference-to-schemas/parameters.yaml

@@ -0,0 +1,5 @@
+Param:
+  in: query
+  required: true
+  schema:
+    $ref: schemas.yaml#/Schema

tests/e2e/bundle/parameters-reference-to-schemas/redocly.yaml

@@ -0,0 +1,6 @@
+apis:
+  test-api:
+    root: openapi.yaml
+
+decorators:
+  remove-unused-components: on

tests/e2e/bundle/parameters-reference-to-schemas/schemas.yaml

@@ -0,0 +1,2 @@
+Schema:
+  type: string

tests/e2e/bundle/parameters-reference-to-schemas/snapshot.txt

@@ -0,0 +1,30 @@
+openapi: 3.0.0
+info:
+  title: Sample API
+  version: 1.0.0
+paths:
+  /users:
+    get:
+      operationId: getUsers
+      summary: Get a list of users
+      parameters:
+        - $ref: '#/components/parameters/Param'
+      responses:
+        '200':
+          description: A list of users
+          content:
+            application/json:
+              schema: {}
+components:
+  schemas:
+    Schema:
+      type: string
+  parameters:
+    Param:
+      in: query
+      required: true
+      schema:
+        $ref: '#/components/schemas/Schema'
+
+bundling openapi.yaml using configuration for api 'test-api'...
+📦 Created a bundle for openapi.yaml at stdout <test>ms.

tests/e2e/commands.test.ts

@@ -672,6 +672,16 @@ describe('E2E', () => {
     });
   });
 
+  describe('bundle with parameter, which has reference to schemas', () => {
+    it('should correctly bundle the api and not remove components', async () => {
+      const testPath = join(__dirname, `bundle/parameters-reference-to-schemas`);
+      const args = getParams(indexEntryPoint, ['bundle', '--config=redocly.yaml']);
+
+      const result = getCommandOutput(args, { testPath });
+      await expect(cleanupOutput(result)).toMatchFileSnapshot(join(testPath, 'snapshot.txt'));
+    });
+  });
+
   describe('miscellaneous', () => {
     const folderPath = join(__dirname, 'miscellaneous');