1 files changed, 72 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/ceph/dashboard/mds-summary.pipe.spec.ts b/src/pybind/mgr/dashboard/frontend/src/app/ceph/dashboard/mds-summary.pipe.spec.ts
new file mode 100644
index 000000000..c62b35c54
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/ceph/dashboard/mds-summary.pipe.spec.ts
@@ -0,0 +1,72 @@
+import { TestBed } from '@angular/core/testing';
+
+import { configureTestBed } from '~/testing/unit-test-helper';
+import { MdsSummaryPipe } from './mds-summary.pipe';
+
+describe('MdsSummaryPipe', () => {
+  let pipe: MdsSummaryPipe;
+
+  configureTestBed({
+    providers: [MdsSummaryPipe]
+  });
+
+  beforeEach(() => {
+    pipe = TestBed.inject(MdsSummaryPipe);
+  });
+
+  it('create an instance', () => {
+    expect(pipe).toBeTruthy();
+  });
+
+  it('transforms with 0 active and 2 standy', () => {
+    const payload = {
+      standbys: [{ name: 'a' }],
+      filesystems: [{ mdsmap: { info: [{ state: 'up:standby-replay' }] } }]
+    };
+    const expected = [
+      { class: 'popover-info', content: '0 active', titleText: '1 standbyReplay' },
+      { class: 'card-text-line-break', content: '', titleText: '' },
+      { class: 'popover-info', content: '2 standby', titleText: 'standby daemons: a' }
+    ];
+
+    expect(pipe.transform(payload)).toEqual(expected);
+  });
+
+  it('transforms with 1 active and 1 standy', () => {
+    const payload = {
+      standbys: [{ name: 'b' }],
+      filesystems: [{ mdsmap: { info: [{ state: 'up:active', name: 'a' }] } }]
+    };
+    const expected = [
+      { class: 'popover-info', content: '1 active', titleText: 'active daemon: a' },
+      { class: 'card-text-line-break', content: '', titleText: '' },
+      { class: 'popover-info', content: '1 standby', titleText: 'standby daemons: b' }
+    ];
+    expect(pipe.transform(payload)).toEqual(expected);
+  });
+
+  it('transforms with 0 filesystems', () => {
+    const payload: Record<string, any> = {
+      standbys: [0],
+      filesystems: []
+    };
+    const expected = [{ class: 'popover-info', content: 'no filesystems', titleText: '' }];
+
+    expect(pipe.transform(payload)).toEqual(expected);
+  });
+
+  it('transforms without filesystem', () => {
+    const payload = { standbys: [{ name: 'a' }] };
+    const expected = [
+      { class: 'popover-info', content: '1 up', titleText: '' },
+      { class: 'card-text-line-break', content: '', titleText: '' },
+      { class: 'popover-info', content: 'no filesystems', titleText: 'standby daemons: a' }
+    ];
+
+    expect(pipe.transform(payload)).toEqual(expected);
+  });
+
+  it('transforms without value', () => {
+    expect(pipe.transform(undefined)).toBe('');
+  });
+});