}),

).rejects.toThrow(/produced too much output/);

});

it("counts surrogate pairs as one character when capping failed command output", async () => {

const child = createMockChild();

spawnMock.mockImplementationOnce(() => {

queueMicrotask(() => {

child.stderr.emit("data", "a🙂");

child.closeWith(1);

});

return child;

});

await expect(

runCliCommand({

commandSummary: "qmd query test",

spawnInvocation: { command: "qmd", argv: ["query", "test", "--json"] },

env: process.env,

cwd: tempDir,

maxOutputChars: 2,

}),

).rejects.toThrow(/🙂/);

});

});

maxChars: number,

): { text: string; truncated: boolean } {

const appended = current + chunk;

if (appended.length <= maxChars) {

const chars = Array.from(appended);

if (chars.length <= maxChars) {

return { text: appended, truncated: false };

}

return { text: appended.slice(-maxChars), truncated: true };

return { text: chars.slice(-maxChars).join(""), truncated: true };

}

function formatQmdAvailabilityError(err: unknown): string {