133 lines
4.1 KiB
TypeScript
133 lines
4.1 KiB
TypeScript
import { describe, expect, test } from "bun:test";
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import {
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emailCoreBlocks,
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renderEmail,
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validateAmpEmail,
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validateMjml,
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importMjml,
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type EmailRenderBundle,
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} from "../src/index.ts";
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import type { BlockDocument } from "@wrnexus/blocks";
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const document: BlockDocument = {
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schemaVersion: 1,
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kind: "email",
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meta: { subject: "Welcome", preheader: "Preview", lang: "en" },
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theme: { tokens: {} },
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root: {
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id: "root",
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type: "layout.email-document",
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version: 1,
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props: { width: "600", background: "#f3f4f6" },
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styles: {},
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slots: {
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content: [
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{
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id: "section",
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type: "layout.section",
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version: 1,
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props: { background: "#ffffff", padding: "24px" },
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styles: {},
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slots: {
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content: [
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{
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id: "heading",
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type: "content.heading",
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version: 1,
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props: { text: "Hello <world>", level: "1" },
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styles: {},
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slots: {},
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},
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{
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id: "button",
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type: "content.button",
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version: 1,
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props: { label: "Open", href: "https://example.com/" },
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styles: {},
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slots: {},
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},
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],
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},
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},
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],
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},
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},
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};
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describe("email renderer", () => {
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test("renders deterministic HTML, text, AMP, and MJML", async () => {
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const first = await renderEmail(document, { amp: true, mjml: true });
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const second = await renderEmail(document, { amp: true, mjml: true });
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expect(first).toEqual(second);
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expect(first.ok).toBe(true);
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if (!first.ok) return;
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const value: EmailRenderBundle = first.value;
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expect(value.parts.html.content).toContain("Hello <world>");
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expect(value.parts.html.content).toContain("color:#111827");
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expect(value.parts.text.content).toContain("Hello <world>");
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expect(value.parts.amp?.validation.valid).toBe(true);
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expect(value.exports?.mjml).toContain("<mjml>");
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});
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test("validates AMP output", async () => {
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expect((await validateAmpEmail("<html></html>")).valid).toBe(false);
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});
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test("compiles only allowlisted semantic styles", async () => {
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const styled = structuredClone(document);
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styled.root.slots.content[0]!.slots.content[0]!.styles = {
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color: { base: "#123456" },
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textAlign: { base: "center" },
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padding: { base: "12px 8px" },
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backgroundColor: { base: "red;position:fixed" },
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};
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const rendered = await renderEmail(styled);
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expect(rendered.ok).toBe(true);
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if (!rendered.ok) return;
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expect(rendered.value.parts.html.content).toContain(
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"color:#123456;padding:12px 8px;text-align:center",
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);
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expect(rendered.value.parts.html.content).not.toContain("position:fixed");
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});
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test("rejects unsafe MJML and imports supported content", () => {
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expect(
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importMjml("<mjml><mj-body><mj-raw>x</mj-raw></mj-body></mjml>", {
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id: () => crypto.randomUUID(),
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subject: "x",
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}).ok,
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).toBe(false);
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let n = 0;
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const imported = importMjml(
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"<mjml><mj-body><mj-section><mj-column><mj-text>Hello</mj-text></mj-column></mj-section></mj-body></mjml>",
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{ id: () => `n${++n}`, subject: "Imported" },
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);
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expect(imported.ok).toBe(true);
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});
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test("strict MJML validation catches invalid nesting", async () => {
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expect(
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(await validateMjml("<mjml><mj-body><mj-text>x</mj-text></mj-body></mjml>")).length,
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).toBeGreaterThan(0);
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});
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test("ships the complete marketing block pack", () => {
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expect(emailCoreBlocks.map((block) => block.manifest.type)).toEqual(
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expect.arrayContaining([
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"content.video",
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"content.social",
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"content.countdown",
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"content.survey",
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"content.feed-item",
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"commerce.product",
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]),
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);
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for (const block of emailCoreBlocks) {
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expect(block.textRenderer).toBeFunction();
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expect(block.renderers?.emailHtml).toBeFunction();
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expect(block.renderers?.ampEmail).toBeFunction();
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expect(block.renderers?.mjml).toBeFunction();
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}
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});
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});
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