1 files changed, 54 insertions, 0 deletions
diff --git a/spec/frontend/pipeline_editor/components/lint/ci_lint_warnings_spec.js b/spec/frontend/pipeline_editor/components/lint/ci_lint_warnings_spec.js
new file mode 100644
index 00000000000..b441d26c146
--- /dev/null
+++ b/spec/frontend/pipeline_editor/components/lint/ci_lint_warnings_spec.js
@@ -0,0 +1,54 @@
+import { mount } from '@vue/test-utils';
+import { GlAlert, GlSprintf } from '@gitlab/ui';
+import { trimText } from 'helpers/text_helper';
+import CiLintWarnings from '~/pipeline_editor/components/lint/ci_lint_warnings.vue';
+
+const warnings = ['warning 1', 'warning 2', 'warning 3'];
+
+describe('CI lint warnings', () => {
+  let wrapper;
+
+  const createComponent = (limit = 25) => {
+    wrapper = mount(CiLintWarnings, {
+      propsData: {
+        warnings,
+        maxWarnings: limit,
+      },
+    });
+  };
+
+  const findWarningAlert = () => wrapper.find(GlAlert);
+  const findWarnings = () => wrapper.findAll('[data-testid="ci-lint-warning"]');
+  const findWarningMessage = () => trimText(wrapper.find(GlSprintf).text());
+
+  afterEach(() => {
+    wrapper.destroy();
+    wrapper = null;
+  });
+
+  it('displays the warning alert', () => {
+    createComponent();
+
+    expect(findWarningAlert().exists()).toBe(true);
+  });
+
+  it('displays all the warnings', () => {
+    createComponent();
+
+    expect(findWarnings()).toHaveLength(warnings.length);
+  });
+
+  it('shows the correct message when the limit is not passed', () => {
+    createComponent();
+
+    expect(findWarningMessage()).toBe(`${warnings.length} warnings found:`);
+  });
+
+  it('shows the correct message when the limit is passed', () => {
+    const limit = 2;
+
+    createComponent(limit);
+
+    expect(findWarningMessage()).toBe(`${warnings.length} warnings found: showing first ${limit}`);
+  });
+});