Move dateTickFormat to separate module

1 files changed, 40 insertions, 0 deletions

diff --git a/spec/javascripts/lib/utils/tick_formats_spec.js b/spec/javascripts/lib/utils/tick_formats_spec.js
new file mode 100644
index 00000000000..283989b4fc8
--- /dev/null
+++ b/spec/javascripts/lib/utils/tick_formats_spec.js
@@ -0,0 +1,40 @@
+import { dateTickFormat, initDateFormats } from '~/lib/utils/tick_formats';
+
+import { setLanguage } from '../../helpers/locale_helper';
+
+describe('tick formats', () => {
+  describe('dateTickFormat', () => {
+    beforeAll(() => {
+      setLanguage('de');
+      initDateFormats();
+    });
+
+    afterAll(() => {
+      setLanguage(null);
+    });
+
+    it('returns year for first of January', () => {
+      const tick = dateTickFormat(new Date('2001-01-01'));
+
+      expect(tick).toBe('2001');
+    });
+
+    it('returns month for first of February', () => {
+      const tick = dateTickFormat(new Date('2001-02-01'));
+
+      expect(tick).toBe('Februar');
+    });
+
+    it('returns day and month for second of February', () => {
+      const tick = dateTickFormat(new Date('2001-02-02'));
+
+      expect(tick).toBe('2. Feb.');
+    });
+
+    it('ignores time', () => {
+      const tick = dateTickFormat(new Date('2001-02-02 12:34:56'));
+
+      expect(tick).toBe('2. Feb.');
+    });
+  });
+});