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oh-my-pi/packages/coding-agent/test/core/python-executor-streaming.test.ts
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2026-01-24 04:20:19 +01:00

57 lines
2.1 KiB
TypeScript

import { describe, expect, it } from "bun:test";
import { executePythonWithKernel, type PythonKernelExecutor } from "@oh-my-pi/pi-coding-agent/ipy/executor";
import type { KernelExecuteOptions, KernelExecuteResult } from "@oh-my-pi/pi-coding-agent/ipy/kernel";
import { DEFAULT_MAX_BYTES } from "@oh-my-pi/pi-coding-agent/tools/truncate";
class FakeKernel implements PythonKernelExecutor {
private result: KernelExecuteResult;
private onExecute: (options?: KernelExecuteOptions) => Promise<void> | void;
constructor(result: KernelExecuteResult, onExecute: (options?: KernelExecuteOptions) => Promise<void> | void) {
this.result = result;
this.onExecute = onExecute;
}
async execute(_code: string, options?: KernelExecuteOptions): Promise<KernelExecuteResult> {
await this.onExecute(options);
return this.result;
}
}
describe("executePythonWithKernel streaming", () => {
it("truncates large output and tracks totals", async () => {
const largeOutput = "a".repeat(DEFAULT_MAX_BYTES + 128);
const kernel = new FakeKernel(
{ status: "ok", cancelled: false, timedOut: false, stdinRequested: false },
options => options?.onChunk?.(largeOutput),
);
const result = await executePythonWithKernel(kernel, "print('hi')");
expect(result.truncated).toBe(true);
expect(result.output.length).toBeLessThan(largeOutput.length);
expect(result.totalBytes).toBeGreaterThan(result.outputBytes);
});
it("annotates timed out runs", async () => {
const kernel = new FakeKernel({ status: "ok", cancelled: true, timedOut: true, stdinRequested: false }, () => {});
const result = await executePythonWithKernel(kernel, "sleep", { timeoutMs: 2000 });
expect(result.cancelled).toBe(true);
expect(result.exitCode).toBeUndefined();
expect(result.output).toContain("Command timed out after 2 seconds");
});
it("sanitizes ANSI and carriage returns", async () => {
const kernel = new FakeKernel(
{ status: "ok", cancelled: false, timedOut: false, stdinRequested: false },
options => options?.onChunk?.("\u001b[31mhello\r\n"),
);
const result = await executePythonWithKernel(kernel, "print('hello')");
expect(result.output).toBe("hello\n");
});
});