Mailtrap Email Sending

import getMessages from "../getSandboxMessages"; import { sandboxClient } from "../../../client"; jest.mock("../../../client", () => ({ sandboxClient: { testing: { messages: { get: jest.fn(), }, }, }, })); describe("getMessages", () => { const mockMessages = [ { id: 1, from_email: "sender@example.com", to_email: "recipient@example.com", subject: "Test Subject 1", sent_at: "2024-01-01T00:00:00Z", is_read: false, }, { id: 2, from_email: "sender2@example.com", to_email: "recipient@example.com", subject: "Test Subject 2", sent_at: "2024-01-02T00:00:00Z", is_read: true, }, ]; const originalEnv = { ...process.env }; beforeEach(() => { jest.clearAllMocks(); jest.resetModules(); (sandboxClient as any).testing.messages.get.mockResolvedValue(mockMessages); Object.assign(process.env, { MAILTRAP_TEST_INBOX_ID: "123" }); }); afterEach(() => { Object.assign(process.env, originalEnv); }); it("should get messages successfully", async () => { const result = await getMessages({}); expect((sandboxClient as any).testing.messages.get).toHaveBeenCalledWith( 123, undefined ); expect(result).toEqual({ content: [ { type: "text", text: `Found 2 message(s) in sandbox inbox:\n\n• Message ID: 1\n From: sender@example.com\n To: recipient@example.com\n Subject: Test Subject 1\n Sent: 2024-01-01T00:00:00Z\n Read: No\n\n• Message ID: 2\n From: sender2@example.com\n To: recipient@example.com\n Subject: Test Subject 2\n Sent: 2024-01-02T00:00:00Z\n Read: Yes\n`, }, ], }); }); it("should handle empty messages list", async () => { (sandboxClient as any).testing.messages.get.mockResolvedValue([]); const result = await getMessages({}); expect(result).toEqual({ content: [ { type: "text", text: "No messages found in the sandbox inbox.", }, ], }); }); it("should handle null messages response", async () => { (sandboxClient as any).testing.messages.get.mockResolvedValue(null); const result = await getMessages({}); expect(result).toEqual({ content: [ { type: "text", text: "No messages found in the sandbox inbox.", }, ], }); }); it("should handle missing MAILTRAP_TEST_INBOX_ID", async () => { delete process.env.MAILTRAP_TEST_INBOX_ID; const result = await getMessages({}); expect(result.isError).toBe(true); expect(result.content[0].text).toContain( "MAILTRAP_TEST_INBOX_ID environment variable is required" ); }); it("should handle missing sandbox client", async () => { // Mock sandboxClient as null for this test jest.doMock("../../../client", () => ({ sandboxClient: null, })); // Re-import the module to get the mocked version jest.resetModules(); const getMessagesModule = (await import("../getSandboxMessages")).default; const result = await getMessagesModule({}); // Restore the original mock jest.dontMock("../../../client"); jest.resetModules(); expect(result.isError).toBe(true); expect(result.content[0].text).toContain("Sandbox client is not available"); }); it("should handle API errors", async () => { const mockError = new Error("API Error"); (sandboxClient as any).testing.messages.get.mockRejectedValue(mockError); const result = await getMessages({}); expect(result.isError).toBe(true); expect(result.content[0].text).toContain("Failed to get messages"); expect(result.content[0].text).toContain("API Error"); }); it("should pass page parameter to SDK", async () => { await getMessages({ page: 2 }); expect((sandboxClient as any).testing.messages.get).toHaveBeenCalledWith( 123, { page: 2 } ); }); it("should pass last_id parameter to SDK", async () => { await getMessages({ last_id: 100 }); expect((sandboxClient as any).testing.messages.get).toHaveBeenCalledWith( 123, { last_id: 100 } ); }); it("should pass search parameter to SDK", async () => { await getMessages({ search: "test query" }); expect((sandboxClient as any).testing.messages.get).toHaveBeenCalledWith( 123, { search: "test query" } ); }); it("should pass multiple parameters to SDK", async () => { await getMessages({ page: 1, search: "test" }); expect((sandboxClient as any).testing.messages.get).toHaveBeenCalledWith( 123, { page: 1, search: "test" } ); }); it("should pass all parameters to SDK", async () => { await getMessages({ page: 2, last_id: 100, search: "test query" }); expect((sandboxClient as any).testing.messages.get).toHaveBeenCalledWith( 123, { page: 2, last_id: 100, search: "test query" } ); }); });