test(preset): add test cases for getHostPkgAlias util

packages/preset-dumi/src/utils/fixtures/alias-normal/package.json

@@ -0,0 +1,3 @@
+{
+  "name": "normal"
+}

packages/preset-dumi/src/utils/getHostPkgAlias.test.ts

@@ -0,0 +1,22 @@
+import path from 'path';
+import getHostPkgAlias from './getHostPkgAlias';
+
+describe('getHostPkgAlias', () => {
+  it('get normal pkg alias', () => {
+    const pkgPath = path.join(__dirname, 'fixtures/alias-normal');
+    const { name: pkgName } = require(path.join(pkgPath, 'package.json'));
+
+    expect(getHostPkgAlias({ cwd: pkgPath })).toEqual([[pkgName, pkgPath]]);
+  });
+
+  it('get lerna pkg alias', () => {
+    const alias = getHostPkgAlias({ cwd: path.join(__dirname, '../../../../') });
+
+    expect(alias.map(([name]) => name)).toEqual([
+      '@umijs/create-dumi-app',
+      '@umijs/create-dumi-lib',
+      'dumi',
+      '@umijs/preset-dumi',
+    ]);
+  });
+});