Mock RuntimeDeps for testing.
Provides a fully controllable runtime implementation for unit tests.
Consumer projects can extend MockRuntime with project-specific helpers
(e.g. setup_mock_tx_config) that stay local.
5 declarations
(args?: string[]): MockRuntime Create a mock RuntimeDeps for testing.
argsCLI arguments
string[][]MockRuntime MockRuntime with controllable state
const runtime = create_mock_runtime(['apply', 'tx.ts']);
runtime.mock_env.set('HOME', '/home/test');
runtime.mock_fs.set('/home/test/.app/config.json', '{}');
await some_function(runtime);
assert.strictEqual(runtime.command_calls.length, 1);
assert.deepStrictEqual(runtime.exit_calls, [0]);Error thrown when mock runtime.exit() is called.
Tests can catch this to verify exit behavior.
Errorcodetype number
constructortype new (code: number): MockExitError
codenumberMockRuntime Mock RuntimeDeps with observable state for assertions.
mock_envMock environment variables.
Map<string, string>mock_fsMock file system (path -> content).
Map<string, string>mock_dirsMock directories that exist.
Set<string>exit_callsExit calls recorded (exit codes).
Array<number>command_callsCommands executed.
Array<{cmd: string; args: Array<string>}>command_inherit_callsCommands executed with inherit.
Array<{cmd: string; args: Array<string>}>stdout_writesStdout writes recorded.
Array<string>mock_command_resultsMock command results (cmd -> result).
Map<string, CommandResult>stdin_bufferStdin buffer for input simulation.
Uint8Array | null(runtime: MockRuntime): void Reset a mock runtime to initial state.
runtimeMockRuntime to reset
void (runtime: MockRuntime, input: string): void Set stdin buffer for simulating user input.
runtimeMockRuntime to configure
inputstring to provide as stdin input
stringvoid