File size: 3,593 Bytes
84aa3bf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | /**
* @license
* Copyright 2026 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { vi } from 'vitest';
import type {
ShellExecutionHandle,
ShellExecutionResult,
ShellOutputEvent,
ShellExecutionConfig,
} from '@google/gemini-cli-core';
export interface MockShellCommand {
command: string | RegExp;
result: Partial<ShellExecutionResult>;
events?: ShellOutputEvent[];
}
type ShellExecutionServiceExecute = (
commandToExecute: string,
cwd: string,
onOutputEvent: (event: ShellOutputEvent) => void,
abortSignal: AbortSignal,
shouldUseNodePty: boolean,
shellExecutionConfig: ShellExecutionConfig,
) => Promise<ShellExecutionHandle>;
export class MockShellExecutionService {
private static mockCommands: MockShellCommand[] = [];
private static originalExecute: ShellExecutionServiceExecute | undefined;
private static passthroughEnabled = false;
/**
* Registers the original implementation to allow falling back to real shell execution.
*/
static setOriginalImplementation(
implementation: ShellExecutionServiceExecute,
) {
this.originalExecute = implementation;
}
/**
* Enables or disables passthrough to the real implementation when no mock matches.
*/
static setPassthrough(enabled: boolean) {
this.passthroughEnabled = enabled;
}
static setMockCommands(commands: MockShellCommand[]) {
this.mockCommands = commands;
}
static reset() {
this.mockCommands = [];
this.passthroughEnabled = false;
this.writeToPty.mockClear();
this.kill.mockClear();
this.background.mockClear();
this.resizePty.mockClear();
this.scrollPty.mockClear();
}
static async execute(
commandToExecute: string,
cwd: string,
onOutputEvent: (event: ShellOutputEvent) => void,
abortSignal: AbortSignal,
shouldUseNodePty: boolean,
shellExecutionConfig: ShellExecutionConfig,
): Promise<ShellExecutionHandle> {
const mock = this.mockCommands.find((m) =>
typeof m.command === 'string'
? m.command === commandToExecute
: m.command.test(commandToExecute),
);
const pid = Math.floor(Math.random() * 10000);
if (mock) {
if (mock.events) {
for (const event of mock.events) {
onOutputEvent(event);
}
}
const result: ShellExecutionResult = {
rawOutput: Buffer.from(mock.result.output || ''),
output: mock.result.output || '',
exitCode: mock.result.exitCode ?? 0,
signal: mock.result.signal ?? null,
error: mock.result.error ?? null,
aborted: false,
pid,
executionMethod: 'none',
...mock.result,
};
return {
pid,
result: Promise.resolve(result),
};
}
if (this.passthroughEnabled && this.originalExecute) {
return this.originalExecute(
commandToExecute,
cwd,
onOutputEvent,
abortSignal,
shouldUseNodePty,
shellExecutionConfig,
);
}
return {
pid,
result: Promise.resolve({
rawOutput: Buffer.from(''),
output: `Command not found: ${commandToExecute}`,
exitCode: 127,
signal: null,
error: null,
aborted: false,
pid,
executionMethod: 'none',
}),
};
}
static writeToPty = vi.fn();
static isPtyActive = vi.fn(() => false);
static onExit = vi.fn(() => () => {});
static kill = vi.fn();
static background = vi.fn();
static subscribe = vi.fn(() => () => {});
static resizePty = vi.fn();
static scrollPty = vi.fn();
}
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