1 files changed, 54 insertions, 0 deletions
diff --git a/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/filter.pipe.spec.ts b/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/filter.pipe.spec.ts
new file mode 100644
index 000000000..58d7ff95f
--- /dev/null
+++ b/src/pybind/mgr/dashboard/frontend/src/app/shared/pipes/filter.pipe.spec.ts
@@ -0,0 +1,54 @@
+import { FilterPipe } from './filter.pipe';
+
+describe('FilterPipe', () => {
+  const pipe = new FilterPipe();
+
+  it('create an instance', () => {
+    expect(pipe).toBeTruthy();
+  });
+
+  it('filter words with "foo"', () => {
+    const value = ['foo', 'bar', 'foobar'];
+    const filters = [
+      {
+        value: 'foo',
+        applyFilter: (row: any[], val: any) => {
+          return row.indexOf(val) !== -1;
+        }
+      }
+    ];
+    expect(pipe.transform(value, filters)).toEqual(['foo', 'foobar']);
+  });
+
+  it('filter words with "foo" and "bar"', () => {
+    const value = ['foo', 'bar', 'foobar'];
+    const filters = [
+      {
+        value: 'foo',
+        applyFilter: (row: any[], val: any) => {
+          return row.indexOf(val) !== -1;
+        }
+      },
+      {
+        value: 'bar',
+        applyFilter: (row: any[], val: any) => {
+          return row.indexOf(val) !== -1;
+        }
+      }
+    ];
+    expect(pipe.transform(value, filters)).toEqual(['foobar']);
+  });
+
+  it('filter with no value', () => {
+    const value = ['foo', 'bar', 'foobar'];
+    const filters = [
+      {
+        value: '',
+        applyFilter: () => {
+          return false;
+        }
+      }
+    ];
+    expect(pipe.transform(value, filters)).toEqual(['foo', 'bar', 'foobar']);
+  });
+});