chore: migrate test cases from Chai to Jest

test/e2e/render-file.spec.ts

@@ -0,0 +1,55 @@
+import { Liquid } from '../..'
+import { resolve } from 'path'
+
+describe('#renderFile()', function () {
+  const root = resolve(__dirname, '../stub/root')
+  const views = resolve(__dirname, '../stub/views')
+  let engine: Liquid
+  beforeEach(function () {
+    engine = new Liquid({
+      root,
+      extname: '.html'
+    })
+  })
+  it('should render file', async function () {
+    const html = await engine.renderFile(resolve(root, 'foo.html'), {})
+    return expect(html).toBe('foo')
+  })
+  it('should find files without extname', async function () {
+    var engine = new Liquid({ root })
+    const html = await engine.renderFile(resolve(root, 'bar'), {})
+    return expect(html).toBe('bar')
+  })
+  it('should accept relative path', async function () {
+    const html = await engine.renderFile('foo.html')
+    return expect(html).toBe('foo')
+  })
+  it('should traverse root array', async function () {
+    engine = new Liquid({
+      root: ['/boo', root],
+      extname: '.html'
+    })
+    const html = await engine.renderFile('foo.html')
+    return expect(html).toBe('foo')
+  })
+  it('should default root to cwd', async function () {
+    engine = new Liquid()
+    const html = await engine.renderFile('package.json')
+    return expect(html).toContain('"name": "liquidjs"')
+  })
+  it('should render file with context', async function () {
+    const html = await engine.renderFile(resolve(views, 'name.html'), { name: 'harttle' })
+    return expect(html).toBe('My name is harttle.')
+  })
+  it('should use default extname', async function () {
+    const html = await engine.renderFile(resolve(root, 'foo'))
+    return expect(html).toBe('foo')
+  })
+  it('should throw with lookup list when file not exist', function () {
+    engine = new Liquid({
+      root: ['/boo', '/root/'],
+      extname: '.html'
+    })
+    return expect(engine.renderFile('/not/exist.html')).rejects.toThrow(/Failed to lookup "\/not\/exist.html" in "\/boo,\/root\/"/)
+  })
+})