Cascade different refactorings to eliminate global shared state from app paths

Co-authored-by: Mikko Aspiala <mikko.aspiala@gmail.com>

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

src/test-utils/get-dis-for-unit-testing.ts

@@ -0,0 +1,36 @@
+/**
+ * Copyright (c) 2021 OpenLens Authors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+import { getDiForUnitTesting as getRendererDi } from "../renderer/components/getDiForUnitTesting";
+import { getDiForUnitTesting as getMainDi } from "../main/getDiForUnitTesting";
+import { overrideIpcBridge } from "./override-ipc-bridge";
+
+export const getDisForUnitTesting = ({ doGeneralOverrides } = { doGeneralOverrides: false }) => {
+  const rendererDi = getRendererDi({ doGeneralOverrides });
+  const mainDi = getMainDi({ doGeneralOverrides });
+
+  overrideIpcBridge({ rendererDi, mainDi });
+
+  return {
+    rendererDi,
+    mainDi,
+    runSetups: () => Promise.all([rendererDi.runSetups(), mainDi.runSetups()]),
+  };
+};

src/test-utils/override-ipc-bridge.ts

@@ -0,0 +1,82 @@
+/**
+ * Copyright (c) 2021 OpenLens Authors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+import type { DependencyInjectionContainer } from "@ogre-tools/injectable";
+import type { Channel } from "../common/ipc-channel/channel";
+import getValueFromRegisteredChannelInjectable from "../renderer/components/app-paths/get-value-from-registered-channel/get-value-from-registered-channel.injectable";
+import registerChannelInjectable from "../main/app-paths/register-channel/register-channel.injectable";
+import asyncFn from "@async-fn/jest";
+
+export const overrideIpcBridge = ({
+  rendererDi,
+  mainDi,
+}: {
+  rendererDi: DependencyInjectionContainer;
+  mainDi: DependencyInjectionContainer;
+}) => {
+  const fakeChannelMap = new Map<
+    Channel<any>,
+    { promise: Promise<any>; resolve: (arg0: any) => Promise<void> }
+  >();
+
+  const mainIpcRegistrations = {
+    set: <TChannel extends Channel<TInstance>, TInstance>(
+      key: TChannel,
+      callback: () => TChannel["_template"],
+    ) => {
+      if (!fakeChannelMap.has(key)) {
+        const mockInstance = asyncFn();
+
+        fakeChannelMap.set(key, {
+          promise: mockInstance(),
+          resolve: mockInstance.resolve,
+        });
+      }
+
+      return fakeChannelMap.get(key).resolve(callback);
+    },
+
+    get: <TChannel extends Channel<TInstance>, TInstance>(key: TChannel) => {
+      if (!fakeChannelMap.has(key)) {
+        const mockInstance = asyncFn();
+
+        fakeChannelMap.set(key, {
+          promise: mockInstance(),
+          resolve: mockInstance.resolve,
+        });
+      }
+
+      return fakeChannelMap.get(key).promise;
+    },
+  };
+
+  rendererDi.override(
+    getValueFromRegisteredChannelInjectable,
+    () => async (channel) => {
+      const callback = await mainIpcRegistrations.get(channel);
+
+      return callback();
+    },
+  );
+
+  mainDi.override(registerChannelInjectable, () => (channel, callback) => {
+    mainIpcRegistrations.set(channel, callback);
+  });
+};