1 files changed, 44 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/relative-date.pipe.spec.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/relative-date.pipe.spec.ts
new file mode 100644
index 000000000..a12d3c2a1
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/relative-date.pipe.spec.ts
@@ -0,0 +1,44 @@
+import moment from 'moment';
+
+import { RelativeDatePipe } from './relative-date.pipe';
+
+describe('RelativeDatePipe', () => {
+  const pipe = new RelativeDatePipe();
+
+  it('create an instance', () => {
+    expect(pipe).toBeTruthy();
+  });
+
+  it('transforms date into a human readable relative time (1)', () => {
+    const date: Date = moment().subtract(130, 'seconds').toDate();
+    expect(pipe.transform(date)).toBe('2 minutes ago');
+  });
+
+  it('transforms date into a human readable relative time (2)', () => {
+    const date: Date = moment().subtract(65, 'minutes').toDate();
+    expect(pipe.transform(date)).toBe('An hour ago');
+  });
+
+  it('transforms date into a human readable relative time (3)', () => {
+    const date: string = moment().subtract(130, 'minutes').toISOString();
+    expect(pipe.transform(date)).toBe('2 hours ago');
+  });
+
+  it('transforms date into a human readable relative time (4)', () => {
+    const date: string = moment().subtract(30, 'seconds').toISOString();
+    expect(pipe.transform(date, false)).toBe('a few seconds ago');
+  });
+
+  it('transforms date into a human readable relative time (5)', () => {
+    const date: number = moment().subtract(3, 'days').unix();
+    expect(pipe.transform(date)).toBe('3 days ago');
+  });
+
+  it('invalid input (1)', () => {
+    expect(pipe.transform('')).toBe('');
+  });
+
+  it('invalid input (2)', () => {
+    expect(pipe.transform('2011-10-10T10:20:90')).toBe('');
+  });
+});