mcp-remote/tests/deno-open_test.ts

113 lines
4 KiB
TypeScript

import { assertEquals, assertRejects } from "std/assert/mod.ts";
import { describe, it, beforeEach, afterEach } from "std/testing/bdd.ts";
import { assertSpyCalls, spy, type Spy } from "std/testing/mock.ts";
import open from "../src/lib/deno-open.ts";
// Define the expected structure returned by the mocked Deno.Command
interface MockCommandOutput {
spawn: () => { status: Promise<{ success: boolean; code: number }> };
}
describe("deno-open", () => {
let originalDenoCommand: typeof Deno.Command;
// Use a specific type for the spy
let commandSpy: Spy<
(command: string, options?: { args?: string[] }) => MockCommandOutput
>;
beforeEach(() => {
// Save original Deno.Command
originalDenoCommand = Deno.Command;
});
afterEach(() => {
// Restore original Deno.Command
(Deno.Command as unknown) = originalDenoCommand;
});
it("calls the correct command on macOS", async () => {
// Save original OS detection
const originalOs = Deno.build.os;
try {
// Mock OS detection - pretend we're on macOS
Object.defineProperty(Deno.build, "os", { value: "darwin", configurable: true });
// Mock Deno.Command implementation
const mockSpawn = { status: Promise.resolve({ success: true, code: 0 }) };
const mockCommandConstructor = () => ({ spawn: () => mockSpawn });
commandSpy = spy(mockCommandConstructor);
(Deno.Command as unknown) = commandSpy;
// Call open
const url = "https://example.com";
await open(url);
// Verify the spy was called with correct arguments
assertSpyCalls(commandSpy, 1);
assertEquals(commandSpy.calls[0].args[0], "open");
assertEquals((commandSpy.calls[0].args[1] as { args: string[] }).args[0], url);
} finally {
// Restore original OS detection
Object.defineProperty(Deno.build, "os", { value: originalOs, configurable: true });
}
});
it("calls the correct command on Windows", async () => {
// Save original OS detection
const originalOs = Deno.build.os;
try {
// Mock OS detection - pretend we're on Windows
Object.defineProperty(Deno.build, "os", { value: "windows", configurable: true });
// Mock Deno.Command implementation
const mockSpawn = { status: Promise.resolve({ success: true, code: 0 }) };
const mockCommandConstructor = () => ({ spawn: () => mockSpawn });
commandSpy = spy(mockCommandConstructor);
(Deno.Command as unknown) = commandSpy;
// Call open
const url = "https://example.com";
await open(url);
// Verify the spy was called with correct arguments
assertSpyCalls(commandSpy, 1);
assertEquals(commandSpy.calls[0].args[0], "cmd");
assertEquals((commandSpy.calls[0].args[1] as { args: string[] }).args[0], "/c");
assertEquals((commandSpy.calls[0].args[1] as { args: string[] }).args[1], "start");
assertEquals((commandSpy.calls[0].args[1] as { args: string[] }).args[2], "");
assertEquals((commandSpy.calls[0].args[1] as { args: string[] }).args[3], url);
} finally {
// Restore original OS detection
Object.defineProperty(Deno.build, "os", { value: originalOs, configurable: true });
}
});
it("throws error on command failure", async () => {
// Save original OS detection
const originalOs = Deno.build.os;
try {
// Mock OS detection
Object.defineProperty(Deno.build, "os", { value: "darwin", configurable: true });
// Mock Deno.Command to return failure
const mockSpawn = { status: Promise.resolve({ success: false, code: 1 }) };
const mockCommandConstructor = () => ({ spawn: () => mockSpawn });
commandSpy = spy(mockCommandConstructor);
(Deno.Command as unknown) = commandSpy;
// Call open and expect it to throw
await assertRejects(
() => open("https://example.com"),
Error,
"Failed to open"
);
assertSpyCalls(commandSpy, 1);
} finally {
// Restore original OS detection
Object.defineProperty(Deno.build, "os", { value: originalOs, configurable: true });
}
});
});