Add some tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/renderer/components/+catalog/__tests__/custom-views.test.ts

@@ -0,0 +1,96 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import type { ConfigurableDependencyInjectionContainer } from "@ogre-tools/injectable";
+import { computed } from "mobx";
+import type React from "react";
+import type { LensRendererExtension } from "../../../../extensions/lens-renderer-extension";
+import rendererExtensionsInjectable from "../../../../extensions/renderer-extensions.injectable";
+import { getDiForUnitTesting } from "../../../getDiForUnitTesting";
+import type { CustomCategoryViewRegistration } from "../custom-views";
+import customCategoryViewsInjectable from "../custom-views.injectable";
+
+describe("Custom Category Views", () => {
+  let di: ConfigurableDependencyInjectionContainer;
+
+  beforeEach(() => {
+    di = getDiForUnitTesting();
+  });
+
+  it("should order items correctly over all extensions", () => {
+    const component1 = (): React.ReactElement => null;
+    const component2 = (): React.ReactElement => null;
+
+    di.override(rendererExtensionsInjectable, () => computed(() => [
+      {
+        customCategoryViews: [
+          {
+            components: {
+              View: component1,
+            },
+            group: "foo",
+            kind: "bar",
+            priority: 100,
+          } as CustomCategoryViewRegistration,
+        ],
+      },
+      {
+        customCategoryViews: [
+          {
+            components: {
+              View: component2,
+            },
+            group: "foo",
+            kind: "bar",
+            priority: 95,
+          } as CustomCategoryViewRegistration,
+        ],
+      },
+    ] as LensRendererExtension[]));
+
+    const customCategoryViews = di.inject(customCategoryViewsInjectable);
+    const { after } = customCategoryViews.get().get("foo").get("bar");
+
+    expect(after[0].View).toBe(component2);
+    expect(after[1].View).toBe(component1);
+  });
+
+  it("should put put priority < 50 items in before", () => {
+    const component1 = (): React.ReactElement => null;
+    const component2 = (): React.ReactElement => null;
+
+    di.override(rendererExtensionsInjectable, () => computed(() => [
+      {
+        customCategoryViews: [
+          {
+            components: {
+              View: component1,
+            },
+            group: "foo",
+            kind: "bar",
+            priority: 40,
+          } as CustomCategoryViewRegistration,
+        ],
+      },
+      {
+        customCategoryViews: [
+          {
+            components: {
+              View: component2,
+            },
+            group: "foo",
+            kind: "bar",
+            priority: 95,
+          } as CustomCategoryViewRegistration,
+        ],
+      },
+    ] as LensRendererExtension[]));
+
+    const customCategoryViews = di.inject(customCategoryViewsInjectable);
+    const { before } = customCategoryViews.get().get("foo").get("bar");
+
+    expect(before[0].View).toBe(component1);
+  });
+});