1 files changed, 43 insertions, 0 deletions
diff --git a/spec/frontend/loading_icon_for_legacy_js_spec.js b/spec/frontend/loading_icon_for_legacy_js_spec.js
new file mode 100644
index 00000000000..46deee555ba
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+++ b/spec/frontend/loading_icon_for_legacy_js_spec.js
@@ -0,0 +1,43 @@
+import { loadingIconForLegacyJS } from '~/loading_icon_for_legacy_js';
+
+describe('loadingIconForLegacyJS', () => {
+  it('sets the correct defaults', () => {
+    const el = loadingIconForLegacyJS();
+
+    expect(el.tagName).toBe('DIV');
+    expect(el.className).toBe('gl-spinner-container');
+    expect(el.querySelector('.gl-spinner-sm')).toEqual(expect.any(HTMLElement));
+    expect(el.querySelector('.gl-spinner-dark')).toEqual(expect.any(HTMLElement));
+    expect(el.querySelector('[aria-label="Loading"]')).toEqual(expect.any(HTMLElement));
+    expect(el.getAttribute('role')).toBe('status');
+  });
+
+  it('renders a span if inline = true', () => {
+    expect(loadingIconForLegacyJS({ inline: true }).tagName).toBe('SPAN');
+  });
+
+  it('can render a different size', () => {
+    const el = loadingIconForLegacyJS({ size: 'lg' });
+
+    expect(el.querySelector('.gl-spinner-lg')).toEqual(expect.any(HTMLElement));
+  });
+
+  it('can render a different color', () => {
+    const el = loadingIconForLegacyJS({ color: 'light' });
+
+    expect(el.querySelector('.gl-spinner-light')).toEqual(expect.any(HTMLElement));
+  });
+
+  it('can render a different aria-label', () => {
+    const el = loadingIconForLegacyJS({ label: 'Foo' });
+
+    expect(el.querySelector('[aria-label="Foo"]')).toEqual(expect.any(HTMLElement));
+  });
+
+  it('can render additional classes', () => {
+    const classes = ['foo', 'bar'];
+    const el = loadingIconForLegacyJS({ classes });
+
+    expect(el.classList).toContain(...classes);
+  });
+});