1 files changed, 24 insertions, 0 deletions
diff --git a/spec/frontend/vue_shared/components/entity_select/utils_spec.js b/spec/frontend/vue_shared/components/entity_select/utils_spec.js
new file mode 100644
index 00000000000..9aa1baf204e
--- /dev/null
+++ b/spec/frontend/vue_shared/components/entity_select/utils_spec.js
@@ -0,0 +1,24 @@
+import { groupsPath } from '~/vue_shared/components/entity_select/utils';
+
+describe('entity_select utils', () => {
+  describe('groupsPath', () => {
+    it.each`
+      groupsFilter           | parentGroupID | expectedPath
+      ${undefined}           | ${undefined}  | ${'/api/:version/groups.json'}
+      ${undefined}           | ${1}          | ${'/api/:version/groups.json'}
+      ${'descendant_groups'} | ${1}          | ${'/api/:version/groups/1/descendant_groups'}
+      ${'subgroups'}         | ${1}          | ${'/api/:version/groups/1/subgroups'}
+    `(
+      'returns $expectedPath with groupsFilter = $groupsFilter and parentGroupID = $parentGroupID',
+      ({ groupsFilter, parentGroupID, expectedPath }) => {
+        expect(groupsPath(groupsFilter, parentGroupID)).toBe(expectedPath);
+      },
+    );
+  });
+
+  it('throws if groupsFilter is passed but parentGroupID is undefined', () => {
+    expect(() => {
+      groupsPath('descendant_groups');
+    }).toThrow('Cannot use groupsFilter without a parentGroupID');
+  });
+});