Add latest changes from gitlab-org/gitlab@master

1 files changed, 11 insertions, 0 deletions

diff --git a/spec/frontend/lib/utils/chart_utils_spec.js b/spec/frontend/lib/utils/chart_utils_spec.js
new file mode 100644
index 00000000000..e811b8405fb
--- /dev/null
+++ b/spec/frontend/lib/utils/chart_utils_spec.js
@@ -0,0 +1,11 @@
+import { firstAndLastY } from '~/lib/utils/chart_utils';
+
+describe('Chart utils', () => {
+  describe('firstAndLastY', () => {
+    it('returns the first and last y-values of a given data set as an array', () => {
+      const data = [['', 1], ['', 2], ['', 3]];
+
+      expect(firstAndLastY(data)).toEqual([1, 3]);
+    });
+  });
+});