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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { FileCommandLoader } from './FileCommandLoader.js';
import {
Config,
getProjectCommandsDir,
getUserCommandsDir,
} from '@google/gemini-cli-core';
import mock from 'mock-fs';
import { assert } from 'vitest';
import { createMockCommandContext } from '../test-utils/mockCommandContext.js';
describe('FileCommandLoader', () => {
const signal: AbortSignal = new AbortController().signal;
afterEach(() => {
mock.restore();
});
it('loads a single command from a file', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'test.toml': 'prompt = "This is a test prompt"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(1);
const command = commands[0];
expect(command).toBeDefined();
expect(command.name).toBe('test');
const result = await command.action?.(
createMockCommandContext({
invocation: {
raw: '/test',
name: 'test',
args: '',
},
}),
'',
);
if (result?.type === 'submit_prompt') {
expect(result.content).toBe('This is a test prompt');
} else {
assert.fail('Incorrect action type');
}
});
it('loads multiple commands', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'test1.toml': 'prompt = "Prompt 1"',
'test2.toml': 'prompt = "Prompt 2"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(2);
});
it('creates deeply nested namespaces correctly', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
gcp: {
pipelines: {
'run.toml': 'prompt = "run pipeline"',
},
},
},
});
const loader = new FileCommandLoader({
getProjectRoot: () => '/path/to/project',
} as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(1);
expect(commands[0]!.name).toBe('gcp:pipelines:run');
});
it('creates namespaces from nested directories', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
git: {
'commit.toml': 'prompt = "git commit prompt"',
},
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(1);
const command = commands[0];
expect(command).toBeDefined();
expect(command.name).toBe('git:commit');
});
it('overrides user commands with project commands', async () => {
const userCommandsDir = getUserCommandsDir();
const projectCommandsDir = getProjectCommandsDir(process.cwd());
mock({
[userCommandsDir]: {
'test.toml': 'prompt = "User prompt"',
},
[projectCommandsDir]: {
'test.toml': 'prompt = "Project prompt"',
},
});
const loader = new FileCommandLoader({
getProjectRoot: () => process.cwd(),
} as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(1);
const command = commands[0];
expect(command).toBeDefined();
const result = await command.action?.(
createMockCommandContext({
invocation: {
raw: '/test',
name: 'test',
args: '',
},
}),
'',
);
if (result?.type === 'submit_prompt') {
expect(result.content).toBe('Project prompt');
} else {
assert.fail('Incorrect action type');
}
});
it('ignores files with TOML syntax errors', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'invalid.toml': 'this is not valid toml',
'good.toml': 'prompt = "This one is fine"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(1);
expect(commands[0].name).toBe('good');
});
it('ignores files that are semantically invalid (missing prompt)', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'no_prompt.toml': 'description = "This file is missing a prompt"',
'good.toml': 'prompt = "This one is fine"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(1);
expect(commands[0].name).toBe('good');
});
it('handles filename edge cases correctly', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'test.v1.toml': 'prompt = "Test prompt"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
const command = commands[0];
expect(command).toBeDefined();
expect(command.name).toBe('test.v1');
});
it('handles file system errors gracefully', async () => {
mock({}); // Mock an empty file system
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(0);
});
it('uses a default description if not provided', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'test.toml': 'prompt = "Test prompt"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
const command = commands[0];
expect(command).toBeDefined();
expect(command.description).toBe('Custom command from test.toml');
});
it('uses the provided description', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'test.toml': 'prompt = "Test prompt"\ndescription = "My test command"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
const command = commands[0];
expect(command).toBeDefined();
expect(command.description).toBe('My test command');
});
it('should sanitize colons in filenames to prevent namespace conflicts', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'legacy:command.toml': 'prompt = "This is a legacy command"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
expect(commands).toHaveLength(1);
const command = commands[0];
expect(command).toBeDefined();
// Verify that the ':' in the filename was replaced with an '_'
expect(command.name).toBe('legacy_command');
});
describe('Shorthand Argument Processor Integration', () => {
it('correctly processes a command with {{args}}', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'shorthand.toml':
'prompt = "The user wants to: {{args}}"\ndescription = "Shorthand test"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
const command = commands.find((c) => c.name === 'shorthand');
expect(command).toBeDefined();
const result = await command!.action?.(
createMockCommandContext({
invocation: {
raw: '/shorthand do something cool',
name: 'shorthand',
args: 'do something cool',
},
}),
'do something cool',
);
expect(result?.type).toBe('submit_prompt');
if (result?.type === 'submit_prompt') {
expect(result.content).toBe('The user wants to: do something cool');
}
});
});
describe('Default Argument Processor Integration', () => {
it('correctly processes a command without {{args}}', async () => {
const userCommandsDir = getUserCommandsDir();
mock({
[userCommandsDir]: {
'model_led.toml':
'prompt = "This is the instruction."\ndescription = "Default processor test"',
},
});
const loader = new FileCommandLoader(null as unknown as Config);
const commands = await loader.loadCommands(signal);
const command = commands.find((c) => c.name === 'model_led');
expect(command).toBeDefined();
const result = await command!.action?.(
createMockCommandContext({
invocation: {
raw: '/model_led 1.2.0 added "a feature"',
name: 'model_led',
args: '1.2.0 added "a feature"',
},
}),
'1.2.0 added "a feature"',
);
expect(result?.type).toBe('submit_prompt');
if (result?.type === 'submit_prompt') {
const expectedContent =
'This is the instruction.\n\n/model_led 1.2.0 added "a feature"';
expect(result.content).toBe(expectedContent);
}
});
});
});
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