1 files changed, 28 insertions, 0 deletions
diff --git a/spec/frontend/blob/openapi/index_spec.js b/spec/frontend/blob/openapi/index_spec.js
new file mode 100644
index 00000000000..53220809f80
--- /dev/null
+++ b/spec/frontend/blob/openapi/index_spec.js
@@ -0,0 +1,28 @@
+import { SwaggerUIBundle } from 'swagger-ui-dist';
+import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
+import renderOpenApi from '~/blob/openapi';
+
+jest.mock('swagger-ui-dist');
+
+describe('OpenAPI blob viewer', () => {
+  const id = 'js-openapi-viewer';
+  const mockEndpoint = 'some/endpoint';
+
+  beforeEach(() => {
+    setHTMLFixture(`<div id="${id}" data-endpoint="${mockEndpoint}"></div>`);
+    renderOpenApi();
+  });
+
+  afterEach(() => {
+    resetHTMLFixture();
+  });
+
+  it('initializes SwaggerUI with the correct configuration', () => {
+    expect(SwaggerUIBundle).toHaveBeenCalledWith({
+      url: mockEndpoint,
+      dom_id: `#${id}`,
+      deepLinking: true,
+      displayOperationId: true,
+    });
+  });
+});