#373 test diagrams error message

app/src/components/shared/sharedFilter/FilterHistoryDiagramCard.vue

@@ -2,7 +2,7 @@
     <v-row>
         <v-col cols="12">
             <v-card>
-                <v-card-title>
+                <v-card-title data-testid="CardTitle">
                     {{ title }}
                 </v-card-title>
 
@@ -14,7 +14,7 @@
                         {{ $t("sharedTable.selectedAreaDiagram") }}
                     </div>
                     <v-container class="justify-center" fluid>
-                        <v-alert v-show="showFailAlert" dismissible transition="fade-transition" type="error">
+                        <v-alert v-show="showFailAlert" dismissible transition="fade-transition" data-testid="ErrorMessage" type="error">
                             {{ errorMessage }}
                         </v-alert>
                     </v-container>

app/tests/unit/FilterHistoryDiagramCard.spec.ts

+import {expect} from "chai";
+import {Locales} from "@/i18n/locales";
+import {createLocalVue, mount} from "@vue/test-utils";
+import {setupI18n} from "@/plugins/i18n";
+import vuetify from "@/plugins/vuetify";
+import VueRouter from "vue-router";
+import FilterHistoryDiagramsCard from "@/components/shared/sharedFilter/FilterHistoryDiagramCard.vue";
+
+declare const global: any;
+
+describe("FilterHistoryDiagramsCard.vue", () => {
+    global.requestAnimationFrame = (cb: any) => cb();
+    let wrapper: any = null;
+
+    beforeEach(() => {
+        const localVue = createLocalVue();
+        localVue.use(VueRouter);
+        const router = new VueRouter();
+        const i18n = setupI18n(localVue);
+        i18n.locale = Locales.DE;
+
+        wrapper = mount(FilterHistoryDiagramsCard, {
+            i18n,
+            localVue,
+            vuetify,
+            router,
+            stubs: ["VegaLite"],
+            mocks: {
+                $auth: {
+                    isAuthenticated: true,
+                },
+            },
+            propsData: {
+                title: "InspectionCount",
+                errorMessage: "Error",
+                showFailAlert: true,
+            },
+        });
+    });
+    afterEach(() => {
+        wrapper = null;
+    });
+
+    it("FilterHistoryDiagramCard should show error messages and card-title", () => {
+        expect(wrapper.find("[data-testid='CardTitle']").exists()).to.equal(true);
+        expect(wrapper.find("[data-testid='ErrorMessage']").exists()).to.equal(true);
+        expect(wrapper.vm.$props.errorMessage).to.equal("Error");
+    });
+});