fix(ui): check Welcome's hasDevices only on mount

ui/src/components/User/UserWarning.vue

@@ -4,10 +4,7 @@
     data-test="device-chooser-component"
   />
 
-  <Welcome
-    :has-namespaces
-    data-test="welcome-component"
-  />
+  <Welcome data-test="welcome-component" />
 
   <BillingWarning
     v-model="showBillingWarning"

ui/src/components/Welcome/Welcome.vue

@@ -85,7 +85,7 @@
 </template>
 
 <script setup lang="ts">
-import { computed, ref, watch } from "vue";
+import { computed, onMounted, ref, watch } from "vue";
 import WelcomeFirstScreen from "./WelcomeFirstScreen.vue";
 import WelcomeSecondScreen from "./WelcomeSecondScreen.vue";
 import WelcomeThirdScreen from "./WelcomeThirdScreen.vue";
@@ -106,8 +106,6 @@ interface StepConfig {
   action: () => void | Promise<void>;
 }
 
-const props = defineProps<{ hasNamespaces: boolean }>();
-
 const showDialog = ref(false);
 const authStore = useAuthStore();
 const namespacesStore = useNamespacesStore();
@@ -119,17 +117,14 @@ const firstPendingDevice = ref<IDevice>();
 const pollingTimer = ref<PollingTimer | undefined>(undefined);
 const hasDeviceDetected = ref(false);
 const tenantId = computed(() => namespacesStore.currentNamespace.tenant_id);
+const hasNamespaces = computed(() => namespacesStore.namespaceList.length > 0);
 
 const namespaceHasBeenShown = () => (
   (JSON.parse(localStorage.getItem("namespacesWelcome") ?? "{}") as Record<string, boolean>)[tenantId.value] !== undefined);
 
-const hasDevices = computed(() => (
-  statsStore.stats.registered_devices !== 0
-  || statsStore.stats.pending_devices !== 0
-  || statsStore.stats.rejected_devices !== 0
-));
+const hasDevices = ref(false);
 
-const shouldShowWelcome = computed(() => props.hasNamespaces && !namespaceHasBeenShown() && !hasDevices.value);
+const shouldShowWelcome = computed(() => hasNamespaces.value && !namespaceHasBeenShown() && !hasDevices.value);
 
 watch(shouldShowWelcome, (newValue) => {
   if (!newValue) return;
@@ -203,5 +198,13 @@ const stepConfigs: Record<number, StepConfig> = {
 const currentStepConfig = computed(() => stepConfigs[currentStep.value]);
 const handleConfirm = async () => { await currentStepConfig.value.action(); };
 
+onMounted(() => {
+  hasDevices.value = (
+    statsStore.stats.registered_devices > 0
+    || statsStore.stats.pending_devices > 0
+    || statsStore.stats.rejected_devices > 0
+  );
+});
+
 defineExpose({ currentStep, hasDeviceDetected, showDialog });
 </script>

ui/tests/components/Welcome/Welcome.spec.ts

@@ -1,7 +1,7 @@
 import { createPinia, setActivePinia } from "pinia";
-import { DOMWrapper, flushPromises, mount } from "@vue/test-utils";
+import { DOMWrapper, flushPromises, mount, VueWrapper } from "@vue/test-utils";
 import { createVuetify } from "vuetify";
-import { expect, describe, it, beforeEach, vi } from "vitest";
+import { expect, describe, it, beforeEach, vi, afterEach } from "vitest";
 import Welcome from "@/components/Welcome/Welcome.vue";
 import { SnackbarPlugin } from "@/plugins/snackbar";
 import useNamespacesStore from "@/store/modules/namespaces";
@@ -25,6 +25,7 @@ const mockNamespace = {
 };
 
 describe("Welcome", () => {
+  let wrapper: VueWrapper<InstanceType<typeof Welcome>>;
   const vuetify = createVuetify();
   setActivePinia(createPinia());
   const namespacesStore = useNamespacesStore();
@@ -34,33 +35,37 @@ describe("Welcome", () => {
     vi.spyOn(Storage.prototype, "getItem").mockReturnValue("{}");
     vi.spyOn(Storage.prototype, "setItem");
     namespacesStore.currentNamespace = mockNamespace;
-
+    namespacesStore.namespaceList = [mockNamespace];
     statsStore.stats = {
       registered_devices: 0,
       pending_devices: 0,
       rejected_devices: 0,
       online_devices: 0,
       active_sessions: 0,
     };
+
+    wrapper = mount(Welcome, { global: { plugins: [vuetify, SnackbarPlugin] } });
   });
 
-  const mountWrapper = (hasNamespaces: boolean) => {
-    return mount(Welcome, {
-      global: { plugins: [vuetify, SnackbarPlugin] },
-      props: { hasNamespaces },
-    });
-  };
+  afterEach(() => { wrapper.unmount(); });
 
-  it("Does not render when hasNamespaces is false", async () => {
-    mountWrapper(false);
+  it("Enables 'Next' (confirm) button when the user sets up a device on step 2", async () => {
     await flushPromises();
+
+    wrapper.vm.currentStep = 2;
+    wrapper.vm.hasDeviceDetected = true;
+    wrapper.vm.showDialog = true;
+
+    await flushPromises();
+
     const dialog = new DOMWrapper(document.body);
-    expect(dialog.find('[data-test="welcome-window"]').exists()).toBe(false);
+    const confirmButton = dialog.find('[data-test="confirm-btn"]');
+    expect(confirmButton.exists()).toBe(true);
+    expect((confirmButton.element as HTMLButtonElement).disabled).toBe(false);
   });
 
   it("Does not render when namespace has already been shown", async () => {
     vi.spyOn(Storage.prototype, "getItem").mockReturnValue('{"test-tenant":true}');
-    mountWrapper(true);
 
     await flushPromises();
 
@@ -71,27 +76,16 @@ describe("Welcome", () => {
   it("Does not render when namespace has devices", async () => {
     statsStore.stats.registered_devices = 1;
 
-    mountWrapper(true);
-
     await flushPromises();
 
     const dialog = new DOMWrapper(document.body);
     expect(dialog.find('[data-test="welcome-window"]').exists()).toBe(false);
   });
 
-  it("Enables 'Next' (confirm) button when the user sets up a device on step 2", async () => {
-    const wrapper = mountWrapper(true);
-    await flushPromises();
-
-    wrapper.vm.currentStep = 2;
-    wrapper.vm.hasDeviceDetected = true;
-    wrapper.vm.showDialog = true;
-
+  it("Does not render when hasNamespaces is false", async () => {
+    namespacesStore.namespaceList = [];
     await flushPromises();
-
     const dialog = new DOMWrapper(document.body);
-    const confirmButton = dialog.find('[data-test="confirm-btn"]');
-    expect(confirmButton.exists()).toBe(true);
-    expect((confirmButton.element as HTMLButtonElement).disabled).toBe(false);
+    expect(dialog.find('[data-test="welcome-window"]').exists()).toBe(false);
   });
 });