test: cases for TagMap

test/integration/liquid/register-tags.ts

@@ -0,0 +1,42 @@
+import { expect } from 'chai'
+import { Liquid } from '../../../src/liquid'
+
+describe('liquid#registerTag()', function () {
+  it('should support render to simple string', async () => {
+    const liquid = new Liquid()
+    liquid.registerTag('simple-string', {
+      render: () => 'B'
+    })
+    const html = await liquid.parseAndRender(`A{% simple-string %}C`)
+    return expect(html).to.equal('ABC')
+  })
+  it('should support async tag render', async () => {
+    const liquid = new Liquid()
+    liquid.registerTag('async-string', {
+      render: async () => 'B'
+    })
+    const html = await liquid.parseAndRender(`A{% async-string %}C`)
+    return expect(html).to.equal('ABC')
+  })
+  it('should have access to ctx in render()', async () => {
+    const liquid = new Liquid()
+    liquid.registerTag('dynamic-string', {
+      render: async (ctx) => ctx.get('c')
+    })
+    const html = await liquid.parseAndRender(`A{% dynamic-string %}C`, {
+      c: 'B'
+    })
+    return expect(html).to.equal('ABC')
+  })
+  it('should have access to tag arguments', async () => {
+    const liquid = new Liquid()
+    liquid.registerTag('argument-reflector', {
+      parse: function (token) { this.variable = token.args.split('=')[1] },
+      render: async function (ctx) { return ctx.get(this.variable) }
+    })
+    const html = await liquid.parseAndRender(`A{% argument-reflector variable=c %}C`, {
+      c: 'B'
+    })
+    return expect(html).to.equal('ABC')
+  })
+})