Hello from MessageBuilder!
+This is the HTML version.
+-
+
- Feature 1 +
- Feature 2 +
- Feature 3 +
Multiple Attachments
Check out the attached files!
", + attachments: [ + { + disposition: "attachment", + filename: "document.txt", + type: "text/plain", + content: textAttachment, + }, + { + disposition: "attachment", + filename: "data.json", + type: "application/json", + content: jsonAttachment, + }, + { + disposition: "attachment", + filename: "sample.pdf", + type: "application/pdf", + content: binaryAttachment, + }, + ], + } as any); + return new Response( + "✅ Email with multiple attachments sent! Check console for all file paths.\n" + ); + } + + // MessageBuilder API: Complex email with multiple recipients (to/cc/bcc) + if (url.pathname === "/send-complex") { + await this.env.LIST_SEND.send({ + from: { name: "David", email: "sender@penalosa.cloud" }, + to: [ + { name: "Recipient One", email: "else@example.com" }, + "something@example.com", + ], + cc: { name: "CC Person", email: "else@example.com" }, + bcc: ["something@example.com"], + subject: "Complex Email Test", + text: "Plain text for email clients that don't support HTML.", + html: ` + + +Complex Email
+This demonstrates:
+-
+
- Multiple TO recipients (with and without names) +
- CC recipient with name +
- BCC recipient +
- Both text and HTML content +
Hello World
", + }), + }); + + expect(await res.text()).toBe("ok"); + expect(res.status).toBe(200); +}); + +test("MessageBuilder with both text and HTML", async () => { + const mf = new Miniflare({ + modules: true, + script: MESSAGE_BUILDER_WORKER, + email: { + send_email: [{ name: "SEND_EMAIL" }], + }, + compatibilityDate: "2025-03-17", + }); + + useDispose(mf); + + const res = await mf.dispatchFetch("http://localhost", { + method: "POST", + body: JSON.stringify({ + from: "sender@example.com", + to: "recipient@example.com", + subject: "Multipart Test", + text: "Plain text", + html: "HTML
", + }), + }); + + expect(await res.text()).toBe("ok"); + expect(res.status).toBe(200); +}); + +test("MessageBuilder with attachments", async () => { + const log = new TestLog(); + const mf = new Miniflare({ + log, + modules: true, + script: MESSAGE_BUILDER_WORKER, + email: { + send_email: [{ name: "SEND_EMAIL" }], + }, + compatibilityDate: "2025-03-17", + }); + + useDispose(mf); + + const res = await mf.dispatchFetch("http://localhost", { + method: "POST", + body: JSON.stringify({ + from: "sender@example.com", + to: "recipient@example.com", + subject: "Attachment Test", + text: "See attachment", + attachments: [ + { + disposition: "attachment", + filename: "test.txt", + type: "text/plain", + content: "base64content", + }, + ], + }), + }); + + expect(await res.text()).toBe("ok"); + expect(res.status).toBe(200); + + await vi.waitFor( + async () => { + const entry = log.logs.find( + ([type, message]) => + type === LogLevel.INFO && + message.includes("send_email binding called with MessageBuilder:") + ); + if (!entry) { + throw new Error("send_email binding log not found"); + } + const message = entry[1]; + + // Verify attachment file path is logged + expect(message).toContain("Attachment (attachment): test.txt ->"); + }, + { timeout: 5_000, interval: 100 } + ); +}); + +test("MessageBuilder log output format snapshot", async () => { + const log = new TestLog(); + const mf = new Miniflare({ + log, + modules: true, + script: MESSAGE_BUILDER_WORKER, + email: { + send_email: [{ name: "SEND_EMAIL" }], + }, + compatibilityDate: "2025-03-17", + }); + + useDispose(mf); + + const res = await mf.dispatchFetch("http://localhost", { + method: "POST", + body: JSON.stringify({ + from: { name: "Alice Sender", email: "alice@example.com" }, + to: ["bob@example.com", "charlie@example.com"], + cc: "team@example.com", + bcc: "boss@example.com", + subject: "Quarterly Report", + text: "Please see the attached quarterly report.", + html: "Quarterly Report
Please see the attached report.
", + attachments: [ + { + disposition: "inline", + contentId: "logo123", + filename: "logo.png", + type: "image/png", + content: "iVBORw0KGgo=", + }, + { + disposition: "attachment", + filename: "report.pdf", + type: "application/pdf", + content: "JVBERi0xLjc=", + }, + ], + }), + }); + + expect(await res.text()).toBe("ok"); + expect(res.status).toBe(200); + + await vi.waitFor( + async () => { + const entry = log.logs.find( + ([type, message]) => + type === LogLevel.INFO && + message.includes("send_email binding called with MessageBuilder:") + ); + if (!entry) { + throw new Error("send_email binding log not found"); + } + const message = entry[1]; + + // Strip ANSI color codes and normalize file paths for snapshot + const cleanMessage = message + .replace(/\x1b\[[0-9;]*m/g, "") + // Replace dynamic file paths with placeholders (Unix and Windows) + .replace( + /(?:[A-Z]:\\|\/)[^\s]*[/\\](email-text|email-html|email-attachment)[/\\][a-f0-9-]+\.(txt|html|png|pdf)/g, + "/$1/[FILE].$2" + ); + + // Snapshot the entire formatted output + expect(cleanMessage).toMatchInlineSnapshot(` + "send_email binding called with MessageBuilder: + From: "Alice Sender"