test: improve coverage

jest.setup.ts

@@ -27,27 +27,43 @@ const templateApp = async (
 export default async () => {
   await fs.remove(appsDir);
   await fs.mkdirp(appsDir);
-  await templateApp('Asar.app', 'arm64', async (appPath) => {
+  await templateApp('Arm64Asar.app', 'arm64', async (appPath) => {
     await fs.copy(
       path.resolve(asarsDir, 'app.asar'),
       path.resolve(appPath, 'Contents', 'Resources', 'app.asar'),
     );
   });
 
+  // contains `extra-file.txt`
+  await templateApp('Arm64AsarExtraFile.app', 'arm64', async (appPath) => {
+    await fs.copy(
+      path.resolve(asarsDir, 'app2.asar'),
+      path.resolve(appPath, 'Contents', 'Resources', 'app.asar'),
+    );
+  });
+
   await templateApp('X64Asar.app', 'x64', async (appPath) => {
     await fs.copy(
       path.resolve(asarsDir, 'app.asar'),
       path.resolve(appPath, 'Contents', 'Resources', 'app.asar'),
     );
   });
 
-  await templateApp('NoAsar.app', 'arm64', async (appPath) => {
+  await templateApp('Arm64NoAsar.app', 'arm64', async (appPath) => {
     await fs.copy(
       path.resolve(asarsDir, 'app'),
       path.resolve(appPath, 'Contents', 'Resources', 'app'),
     );
   });
 
+  // contains `extra-file.txt`
+  await templateApp('Arm64NoAsarExtraFile.app', 'arm64', async (appPath) => {
+    await fs.copy(
+      path.resolve(asarsDir, 'app2'),
+      path.resolve(appPath, 'Contents', 'Resources', 'app'),
+    );
+  });
+
   await templateApp('X64NoAsar.app', 'x64', async (appPath) => {
     await fs.copy(
       path.resolve(asarsDir, 'app'),

test/asar-utils.spec.ts

@@ -8,11 +8,13 @@ const appsPath = path.resolve(__dirname, 'fixtures', 'apps');
 describe('asar-utils', () => {
   describe('detectAsarMode', () => {
     it('should correctly detect an asar enabled app', async () => {
-      expect(await detectAsarMode(path.resolve(appsPath, 'Asar.app'))).toBe(AsarMode.HAS_ASAR);
+      expect(await detectAsarMode(path.resolve(appsPath, 'Arm64Asar.app'))).toBe(AsarMode.HAS_ASAR);
     });
 
     it('should correctly detect an app without an asar', async () => {
-      expect(await detectAsarMode(path.resolve(appsPath, 'NoAsar.app'))).toBe(AsarMode.NO_ASAR);
+      expect(await detectAsarMode(path.resolve(appsPath, 'Arm64NoAsar.app'))).toBe(
+        AsarMode.NO_ASAR,
+      );
     });
   });
 

test/file-utils.spec.ts

@@ -10,8 +10,8 @@ describe('file-utils', () => {
     let noAsarFiles: AppFile[];
 
     beforeAll(async () => {
-      asarFiles = await getAllAppFiles(path.resolve(appsPath, 'Asar.app'));
-      noAsarFiles = await getAllAppFiles(path.resolve(appsPath, 'NoAsar.app'));
+      asarFiles = await getAllAppFiles(path.resolve(appsPath, 'Arm64Asar.app'));
+      noAsarFiles = await getAllAppFiles(path.resolve(appsPath, 'Arm64NoAsar.app'));
     });
 
     it('should correctly identify plist files', async () => {

test/fixtures/asars/app2/extra-file.txt

@@ -0,0 +1 @@
+erick was here!

test/fixtures/asars/app2/index.js

@@ -0,0 +1,2 @@
+console.log('I am an app.asar', process.arch);
+process.exit(0);

test/fixtures/asars/app2/package.json

@@ -0,0 +1,4 @@
+{
+  "name": "app",
+  "main": "index.js"
+}

test/index.spec.ts

@@ -2,9 +2,10 @@ import { spawn } from '@malept/cross-spawn-promise';
 import * as fs from 'fs-extra';
 import * as path from 'path';
 
-import { makeUniversalApp } from '../src/index';
+import { makeUniversalApp } from '../dist/cjs/index';
 
 const appsPath = path.resolve(__dirname, 'fixtures', 'apps');
+const appsOutPath = path.resolve(__dirname, 'fixtures', 'apps', 'out');
 
 async function ensureUniversal(app: string) {
   const exe = path.resolve(app, 'Contents', 'MacOS', 'Electron');
@@ -14,27 +15,147 @@ async function ensureUniversal(app: string) {
   expect(result2).toContain('x64');
 }
 
+// See `jest.setup.ts` for app fixture setup process
 describe('makeUniversalApp', () => {
-  it('should correctly merge two identical asars', async () => {
-    const out = path.resolve(appsPath, 'MergedAsar.app');
-    await makeUniversalApp({
-      x64AppPath: path.resolve(appsPath, 'X64Asar.app'),
-      arm64AppPath: path.resolve(appsPath, 'Asar.app'),
-      outAppPath: out,
+  afterEach(async () => {
+    await fs.emptyDir(appsOutPath);
+  });
+
+  it('throws an error if asar is only detected in one arch', async () => {
+    const out = path.resolve(appsOutPath, 'Error.app');
+    await expect(
+      makeUniversalApp({
+        x64AppPath: path.resolve(appsPath, 'X64Asar.app'),
+        arm64AppPath: path.resolve(appsPath, 'Arm64NoAsar.app'),
+        outAppPath: out,
+      }),
+    ).rejects.toThrow(
+      'Both the x64 and arm64 versions of your application need to have been built with the same asar settings (enabled vs disabled)',
+    );
+  });
+
+  it.todo('works for lipo binary resources');
+
+  describe('force', () => {
+    it('throws an error if `out` bundle already exists and `force` is `false`', async () => {
+      const out = path.resolve(appsOutPath, 'Error.app');
+      await fs.mkdirp(out);
+      await expect(
+        makeUniversalApp({
+          x64AppPath: path.resolve(appsPath, 'X64Asar.app'),
+          arm64AppPath: path.resolve(appsPath, 'Arm64Asar.app'),
+          outAppPath: out,
+        }),
+      ).rejects.toThrow(/The out path ".*" already exists and force is not set to true/);
     });
-    await ensureUniversal(out);
-    // Only a single asar as they were identical
-    expect(
-      (await fs.readdir(path.resolve(out, 'Contents', 'Resources'))).filter((p) =>
-        p.endsWith('asar'),
-      ),
-    ).toEqual(['app.asar']);
-  }, 60000);
+
+    it('packages successfully if `out` bundle already exists and `force` is `true`', async () => {
+      const out = path.resolve(appsOutPath, 'Error.app');
+      await fs.mkdirp(out);
+      await makeUniversalApp({
+        x64AppPath: path.resolve(appsPath, 'X64Asar.app'),
+        arm64AppPath: path.resolve(appsPath, 'Arm64Asar.app'),
+        outAppPath: out,
+        force: true,
+      });
+      await ensureUniversal(out);
+      // Only a single asar as they were identical
+      expect(
+        (await fs.readdir(path.resolve(out, 'Contents', 'Resources'))).filter((p) =>
+          p.endsWith('asar'),
+        ),
+      ).toEqual(['app.asar']);
+    }, 60000);
+  });
+
+  describe('asar mode', () => {
+    it('should correctly merge two identical asars', async () => {
+      const out = path.resolve(appsOutPath, 'MergedAsar.app');
+      await makeUniversalApp({
+        x64AppPath: path.resolve(appsPath, 'X64Asar.app'),
+        arm64AppPath: path.resolve(appsPath, 'Arm64Asar.app'),
+        outAppPath: out,
+      });
+      await ensureUniversal(out);
+      // Only a single asar as they were identical
+      expect(
+        (await fs.readdir(path.resolve(out, 'Contents', 'Resources'))).filter((p) =>
+          p.endsWith('asar'),
+        ),
+      ).toEqual(['app.asar']);
+    }, 60000);
+
+    it('should create a shim if asars are different between architectures', async () => {
+      const out = path.resolve(appsOutPath, 'ShimmedAsar.app');
+      await makeUniversalApp({
+        x64AppPath: path.resolve(appsPath, 'X64Asar.app'),
+        arm64AppPath: path.resolve(appsPath, 'Arm64AsarExtraFile.app'),
+        outAppPath: out,
+      });
+      await ensureUniversal(out);
+      // We have three asars including the arch-agnostic shim
+      expect(
+        (await fs.readdir(path.resolve(out, 'Contents', 'Resources')))
+          .filter((p) => p.endsWith('asar'))
+          .sort(),
+      ).toEqual(['app.asar', 'app-x64.asar', 'app-arm64.asar'].sort());
+    }, 60000);
+
+    it('should merge two different asars when `mergeASARs` is enabled', async () => {
+      const out = path.resolve(appsOutPath, 'MergedAsar.app');
+      await makeUniversalApp({
+        x64AppPath: path.resolve(appsPath, 'X64Asar.app'),
+        arm64AppPath: path.resolve(appsPath, 'Arm64AsarExtraFile.app'),
+        outAppPath: out,
+        mergeASARs: true,
+        singleArchFiles: 'extra-file.txt',
+      });
+      await ensureUniversal(out);
+      // Only a single merged asar
+      expect(
+        (await fs.readdir(path.resolve(out, 'Contents', 'Resources'))).filter((p) =>
+          p.endsWith('asar'),
+        ),
+      ).toEqual(['app.asar']);
+    }, 60000);
+
+    it('throws an error if `mergeASARs` is enabled and `singleArchFiles` is missing a unique file', async () => {
+      const out = path.resolve(appsOutPath, 'Error.app');
+      await expect(
+        makeUniversalApp({
+          x64AppPath: path.resolve(appsPath, 'X64Asar.app'),
+          arm64AppPath: path.resolve(appsPath, 'Arm64AsarExtraFile.app'),
+          outAppPath: out,
+          mergeASARs: true,
+          singleArchFiles: 'bad-rule',
+        }),
+      ).rejects.toThrow(/Detected unique file "extra-file\.txt"/);
+    }, 60000);
+
+    it.todo('should not inject ElectronAsarIntegrity into `infoPlistsToIgnore`');
+  });
+
+  describe('no asar mode', () => {
+    it('should correctly merge two identical app folders', async () => {
+      const out = path.resolve(appsOutPath, 'MergedNoAsar.app');
+      await makeUniversalApp({
+        x64AppPath: path.resolve(appsPath, 'X64NoAsar.app'),
+        arm64AppPath: path.resolve(appsPath, 'Arm64NoAsar.app'),
+        outAppPath: out,
+      });
+      await ensureUniversal(out);
+      // Only a single app folder as they were identical
+      expect(
+        (await fs.readdir(path.resolve(out, 'Contents', 'Resources'))).filter((p) =>
+          p.startsWith('app'),
+        ),
+      ).toEqual(['app']);
+    }, 60000);
+
+    it.todo('should shim two different app folders');
+  });
 
   // TODO: Add tests for
-  // * different asar files
-  // * identical app dirs
-  // * different app dirs
   // * different app dirs with different macho files
   // * identical app dirs with universal macho files
 });