1 files changed, 22 insertions, 0 deletions
diff --git a/spec/frontend/pipeline_wizard/validators_spec.js b/spec/frontend/pipeline_wizard/validators_spec.js
new file mode 100644
index 00000000000..1276c642f30
--- /dev/null
+++ b/spec/frontend/pipeline_wizard/validators_spec.js
@@ -0,0 +1,22 @@
+import { Document, parseDocument } from 'yaml';
+import { isValidStepSeq } from '~/pipeline_wizard/validators';
+import { steps as stepsYaml } from './mock/yaml';
+
+describe('prop validation', () => {
+  const steps = parseDocument(stepsYaml).toJS();
+  const getAsYamlNode = (value) => new Document(value).contents;
+
+  it('allows passing yaml nodes to the steps prop', () => {
+    const validSteps = getAsYamlNode(steps);
+    expect(isValidStepSeq(validSteps)).toBe(true);
+  });
+
+  it.each`
+    scenario                     | stepsValue
+    ${'not a seq'}               | ${{ foo: 'bar' }}
+    ${'a step missing an input'} | ${[{ template: 'baz: boo' }]}
+    ${'an empty seq'}            | ${[]}
+  `('throws an error when passing $scenario to the steps prop', ({ stepsValue }) => {
+    expect(isValidStepSeq(stepsValue)).toBe(false);
+  });
+});