Add unit test for source config deprecations

x-pack/plugins/infra/server/deprecations.test.ts

@@ -0,0 +1,86 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { getInfraDeprecationsFactory } from './deprecations';
+
+describe('Infra plugin deprecations', () => {
+  describe('Source configuration deprecations', () => {
+    test('returns no deprecations when all fields are set to the default values', async () => {
+      const sources = {
+        getAllSourceConfigurations: () => [
+          {
+            configuration: {
+              name: 'Default',
+              fields: {
+                timestamp: '@timestamp',
+                tiebreaker: '_doc',
+                container: 'container.id',
+                host: 'host.name',
+                pod: 'kubernetes.pod.uid',
+              },
+            },
+          },
+          {
+            configuration: {
+              name: 'Alternate',
+              fields: {
+                timestamp: '@timestamp',
+                tiebreaker: '_doc',
+                container: 'container.id',
+                host: 'host.name',
+                pod: 'kubernetes.pod.uid',
+              },
+            },
+          },
+        ],
+      };
+      const getDeprecations = getInfraDeprecationsFactory(sources as any);
+      const deprecations = await getDeprecations({} as any);
+      expect(deprecations.length).toBe(0);
+    });
+  });
+  test('returns expected deprecations when some fields are not set to default values in one or more source configurations', async () => {
+    const sources = {
+      getAllSourceConfigurations: () => [
+        {
+          configuration: {
+            name: 'Default',
+            fields: {
+              timestamp: 'not-@timestamp',
+              tiebreaker: '_doc',
+              container: 'not-container.id',
+              host: 'host.name',
+              pod: 'not-kubernetes.pod.uid',
+            },
+          },
+        },
+        {
+          configuration: {
+            name: 'Alternate',
+            fields: {
+              timestamp: 'not-@timestamp',
+              tiebreaker: 'not-_doc',
+              container: 'container.id',
+              host: 'not-host.name',
+              pod: 'kubernetes.pod.uid',
+            },
+          },
+        },
+      ],
+    };
+    const getDeprecations = getInfraDeprecationsFactory(sources as any);
+    const deprecations = await getDeprecations({} as any);
+    expect(deprecations.length).toBe(5);
+    expect(
+      deprecations.map((d) =>
+        d.title.replace(/Source configuration field "(.*)" is deprecated./, '$1')
+      )
+    ).toEqual(
+      expect.arrayContaining(['timestamp', 'tiebreaker', 'container ID', 'host name', 'pod ID'])
+    );
+  });
+});