refactor: optimize the classification of test cases

Author: 9romise

tests/resolve.test.ts

@@ -0,0 +1,46 @@
+import path from 'node:path'
+import { cwd } from 'node:process'
+import { fileURLToPath } from 'node:url'
+import { describe, expect, it } from 'vitest'
+import { resolve } from '../../src'
+
+const __filename = fileURLToPath(import.meta.url)
+
+function expectResolve(source: string, found: boolean | string) {
+  it(`${source} => ${found}`, () => {
+    const result = resolve(source, __filename)
+    if (typeof found === 'string') {
+      expect(result.path).toBe(path.resolve(cwd(), found))
+    } else {
+      expect(result.found).toBe(found)
+    }
+  })
+}
+
+describe('builtin', () => {
+  expectResolve('path', true)
+  expectResolve('node:path', true)
+})
+
+describe('modules', () => {
+  expectResolve('vitest', true)
+  expectResolve('lodash', false)
+})
+
+describe('relative', () => {
+  expectResolve('../../.gitignore', true)
+  expectResolve('../../package.json', true)
+  expectResolve('../../README.md', true)
+  expectResolve('../../.github/dependabot.yml', true)
+  expectResolve('../../vitest.config.ts', true)
+  expectResolve('../../vitest.config', true)
+  expectResolve('../../src/index', 'src/index.ts')
+  expectResolve('../../src', 'src/index.ts')
+
+  expectResolve('../inexistent.ts', false)
+})
+
+describe('alias', () => {
+  expectResolve('@/index.ts', true)
+  expectResolve('@/index', true)
+})