chore: add e2e test

Author: RomanHotsiy

__tests__/commands.test.ts

@@ -74,6 +74,14 @@ describe('E2E', () => {
       const result = getCommandOutput(args, {}, { testPath });
       await expect(cleanupOutput(result)).toMatchFileSnapshot(join(testPath, 'snapshot_2.txt'));
     });
+
+    test('lint file with constructor property in schema', async () => {
+      const testPath = join(__dirname, 'fixtures/constructor-property');
+      const args = getParams(indexEntryPoint, ['lint', 'openapi.yaml']);
+
+      const result = getCommandOutput(args, {}, { testPath });
+      await expect(cleanupOutput(result)).toMatchFileSnapshot(join(testPath, 'snapshot.txt'));
+    });
   });
 
   describe('zero-config', () => {

__tests__/fixtures/constructor-property/openapi.yaml

@@ -0,0 +1,37 @@
+openapi: 3.0.0
+servers: 
+  - url: http://test.com:3000
+info:
+  title: Test API - Constructor Property
+  version: 1.0.0
+  license:
+    name: MIT
+    url: https://opensource.org/licenses/MIT
+components:
+  schemas:
+    SchemaWithConstructor:
+      type: object
+      properties:
+        id:
+          type: string
+        constructor:  # This is the property we are testing
+          type: object
+          description: "A property named constructor"
+          properties:
+            foo:
+              type: string
+paths:
+  /test:
+    get:
+      summary: Test endpoint
+      security: []
+      operationId: test
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/SchemaWithConstructor' 
+        '400':
+          description: Bad Request

__tests__/fixtures/constructor-property/snapshot.txt

@@ -0,0 +1,8 @@
+
+No configurations were provided -- using built in recommended configuration by default.
+
+validating openapi.yaml...
+openapi.yaml: validated in <test>ms
+
+Woohoo! Your API description is valid. 🎉
+