import { expect } from "vitest"
import transformOneImport from './transformOneImport'

describe('transformOneImport', () => {
	const test = 0
	it('should convert default imports', () => {
		const requiredImport = transformOneImport(
			{ start: 0, end: 100 },
			'import bar from "./foo"',
			test
		)
		expect(requiredImport.code).toBe(
			"const foo$0 = require('./foo');const bar = foo$0.default || foo$0;"
		)
	})

	it('should convert named imports', () => {
		const requiredImport = transformOneImport(
			{ start: 0, end: 100 },
			'import { bar } from "./foo"',
			test
		)
		expect(requiredImport.code).toBe("const foo$0 = require('./foo');const bar = foo$0.bar;")
	})

	it('should convert re-named imports', () => {
		const requiredImport = transformOneImport(
			{ start: 0, end: 100 },
			'import { foo as bar } from "./foo"',
			test
		)
		expect(requiredImport.code).toBe("const foo$0 = require('./foo');const bar = foo$0.foo;")
	})

	it('should convert mixed imports', () => {
		const requiredImport = transformOneImport(
			{ start: 0, end: 100 },
			'import baz, { foo as bar } from "./bar"',
			test
		)
		expect(requiredImport.code).toBe(
			"const bar$0 = require('./bar');const baz = bar$0.default || bar$0;const bar = bar$0.foo;"
		)
	})

	it('should convert * as imports', () => {
		const requiredImport = transformOneImport(
			{ start: 0, end: 100 },
			'import * as bar from "./foo"',
			test
		)
		expect(requiredImport.code).toBe(
			"const foo$0 = require('./foo');const bar = foo$0.default || foo$0;"
		)
	})
})