diff --git a/web/src/utils/is-deployment-running.test.ts b/web/src/utils/is-deployment-running.test.ts
new file mode 100644
index 0000000000..d3af9d4f37
--- /dev/null
+++ b/web/src/utils/is-deployment-running.test.ts
@@ -0,0 +1,17 @@
+import { DeploymentStatus } from "~~/model/deployment_pb";
+import { isDeploymentRunning } from "./is-deployment-running";
+
+describe("isDeploymentRunning", () => {
+  it.each([
+    [DeploymentStatus.DEPLOYMENT_PENDING, true],
+    [DeploymentStatus.DEPLOYMENT_PLANNED, true],
+    [DeploymentStatus.DEPLOYMENT_RUNNING, true],
+    [DeploymentStatus.DEPLOYMENT_ROLLING_BACK, true],
+    [DeploymentStatus.DEPLOYMENT_SUCCESS, false],
+    [DeploymentStatus.DEPLOYMENT_FAILURE, false],
+    [DeploymentStatus.DEPLOYMENT_CANCELLED, false],
+    [undefined, false],
+  ])("given status %p, returns %p", (status, expected) => {
+    expect(isDeploymentRunning(status)).toBe(expected);
+  });
+});