1 files changed, 74 insertions, 0 deletions
diff --git a/spec/frontend/lib/utils/forms_spec.js b/spec/frontend/lib/utils/forms_spec.js
new file mode 100644
index 00000000000..cac17235f0d
--- /dev/null
+++ b/spec/frontend/lib/utils/forms_spec.js
@@ -0,0 +1,74 @@
+import { serializeForm } from '~/lib/utils/forms';
+
+describe('lib/utils/forms', () => {
+  const createDummyForm = inputs => {
+    const form = document.createElement('form');
+
+    form.innerHTML = inputs
+      .map(({ type, name, value }) => {
+        let str = ``;
+        if (type === 'select') {
+          str = `<select name="${name}">`;
+          value.forEach(v => {
+            if (v.length > 0) {
+              str += `<option value="${v}"></option> `;
+            }
+          });
+          str += `</select>`;
+        } else {
+          str = `<input type="${type}" name="${name}" value="${value}" checked/>`;
+        }
+        return str;
+      })
+      .join('');
+
+    return form;
+  };
+
+  describe('serializeForm', () => {
+    it('returns an object of key values from inputs', () => {
+      const form = createDummyForm([
+        { type: 'text', name: 'foo', value: 'foo-value' },
+        { type: 'text', name: 'bar', value: 'bar-value' },
+      ]);
+
+      const data = serializeForm(form);
+
+      expect(data).toEqual({
+        foo: 'foo-value',
+        bar: 'bar-value',
+      });
+    });
+
+    it('works with select', () => {
+      const form = createDummyForm([
+        { type: 'select', name: 'foo', value: ['foo-value1', 'foo-value2'] },
+        { type: 'text', name: 'bar', value: 'bar-value1' },
+      ]);
+
+      const data = serializeForm(form);
+
+      expect(data).toEqual({
+        foo: 'foo-value1',
+        bar: 'bar-value1',
+      });
+    });
+
+    it('works with multiple inputs of the same name', () => {
+      const form = createDummyForm([
+        { type: 'checkbox', name: 'foo', value: 'foo-value3' },
+        { type: 'checkbox', name: 'foo', value: 'foo-value2' },
+        { type: 'checkbox', name: 'foo', value: 'foo-value1' },
+        { type: 'text', name: 'bar', value: 'bar-value2' },
+        { type: 'text', name: 'bar', value: 'bar-value1' },
+      ]);
+
+      const data = serializeForm(form);
+
+      expect(data).toEqual({
+        foo: ['foo-value3', 'foo-value2', 'foo-value1'],
+        bar: ['bar-value2', 'bar-value1'],
+      });
+    });
+  });
+});