Allow downgrading app versions

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

src/behaviours/update-app/downgrading-version-update.test.ts

@@ -0,0 +1,88 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import type { ApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
+import { getApplicationBuilder } from "../../renderer/components/test-utils/get-application-builder";
+import electronUpdaterIsActiveInjectable from "../../main/electron-app/features/electron-updater-is-active.injectable";
+import publishIsConfiguredInjectable from "../../main/update-app/publish-is-configured.injectable";
+import type { AsyncFnMock } from "@async-fn/jest";
+import asyncFn from "@async-fn/jest";
+import type { CheckForPlatformUpdates } from "../../main/update-app/check-for-platform-updates/check-for-platform-updates.injectable";
+import checkForPlatformUpdatesInjectable from "../../main/update-app/check-for-platform-updates/check-for-platform-updates.injectable";
+import checkForUpdatesInjectable from "../../main/update-app/check-for-updates/check-for-updates.injectable";
+import selectedUpdateChannelInjectable from "../../main/update-app/selected-update-channel.injectable";
+import type { DiContainer } from "@ogre-tools/injectable";
+import appVersionInjectable from "../../common/get-configuration-file-model/app-version/app-version.injectable";
+import { updateChannels } from "../../main/update-app/update-channels";
+
+describe("downgrading version update", () => {
+  let applicationBuilder: ApplicationBuilder;
+  let checkForPlatformUpdatesMock: AsyncFnMock<CheckForPlatformUpdates>;
+  let mainDi: DiContainer;
+
+  beforeEach(() => {
+    jest.useFakeTimers();
+
+    applicationBuilder = getApplicationBuilder();
+
+    applicationBuilder.beforeApplicationStart(({ mainDi }) => {
+      checkForPlatformUpdatesMock = asyncFn();
+
+      mainDi.override(
+        checkForPlatformUpdatesInjectable,
+        () => checkForPlatformUpdatesMock,
+      );
+
+      mainDi.override(electronUpdaterIsActiveInjectable, () => true);
+      mainDi.override(publishIsConfiguredInjectable, () => true);
+    });
+
+    mainDi = applicationBuilder.dis.mainDi;
+  });
+
+  [
+    {
+      updateChannel: updateChannels.latest,
+      appVersion: "4.0.0-beta",
+      downgradeIsAllowed: true,
+    },
+    {
+      updateChannel: updateChannels.beta,
+      appVersion: "4.0.0-beta",
+      downgradeIsAllowed: false,
+    },
+    {
+      updateChannel: updateChannels.beta,
+      appVersion: "4.0.0-beta.1",
+      downgradeIsAllowed: false,
+    },
+    {
+      updateChannel: updateChannels.alpha,
+      appVersion: "4.0.0-beta",
+      downgradeIsAllowed: true,
+    },
+    {
+      updateChannel: updateChannels.alpha,
+      appVersion: "4.0.0-alpha",
+      downgradeIsAllowed: false,
+    },
+  ].forEach(({ appVersion, updateChannel, downgradeIsAllowed }) => {
+    it(`given application version "${appVersion}" and update channel "${updateChannel.id}", when checking for updates, can${downgradeIsAllowed ? "": "not"} downgrade`, async () => {
+      mainDi.override(appVersionInjectable, () => appVersion);
+
+      await applicationBuilder.render();
+
+      const selectedUpdateChannel = mainDi.inject(selectedUpdateChannelInjectable);
+
+      selectedUpdateChannel.setValue(updateChannel.id);
+
+      const checkForUpdates = mainDi.inject(checkForUpdatesInjectable);
+
+      checkForUpdates();
+
+      expect(checkForPlatformUpdatesMock).toHaveBeenCalledWith(expect.any(Object), { allowDowngrade: downgradeIsAllowed });
+    });
+  });
+
+});

src/behaviours/update-app/installing-update.test.ts

@@ -93,6 +93,7 @@ describe("installing update", () => {
       it('checks for updates from "latest" update channel', () => {
         expect(checkForPlatformUpdatesMock).toHaveBeenCalledWith(
           updateChannels.latest,
+          { allowDowngrade: true },
         );
       });
 
@@ -247,6 +248,7 @@ describe("installing update", () => {
 
             expect(checkForPlatformUpdatesMock).toHaveBeenCalledWith(
               updateChannels.beta,
+              { allowDowngrade: true },
             );
           });
         });
@@ -272,6 +274,7 @@ describe("installing update", () => {
       it('checks updates from update channel "alpha"', () => {
         expect(checkForPlatformUpdatesMock).toHaveBeenCalledWith(
           updateChannels.alpha,
+          { allowDowngrade: true },
         );
       });
 
@@ -298,6 +301,7 @@ describe("installing update", () => {
         it('checks updates from update channel "beta"', () => {
           expect(checkForPlatformUpdatesMock).toHaveBeenCalledWith(
             updateChannels.beta,
+            { allowDowngrade: true },
           );
         });
 
@@ -324,6 +328,7 @@ describe("installing update", () => {
           it('finally checks updates from update channel "latest"', () => {
             expect(checkForPlatformUpdatesMock).toHaveBeenCalledWith(
               updateChannels.latest,
+              { allowDowngrade: true },
             );
           });