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Implement lazily created sub commands.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| const commander = require('../'); | ||
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| // Test some behaviours of .action not covered in more specific tests. | ||
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| describe('with subCommandBuilder', () => { | ||
| test('when .action called then builder action is executed', () => { | ||
| const actionMock = jest.fn(); | ||
| const program = new commander.Command(); | ||
| program.command('run', 'run description', { | ||
| subCommandBuilder: parent => { | ||
| return parent | ||
| .command('run') | ||
| .action(actionMock); | ||
| } | ||
| }); | ||
| program.parse(['node', 'test', 'run']); | ||
| expect(actionMock).toHaveBeenCalled(); | ||
| }); | ||
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| test('when .action called then builder promised action is executed', () => { | ||
| const actionMock = jest.fn(); | ||
| const program = new commander.Command(); | ||
| program.command('run', 'run description', { | ||
| subCommandBuilder: parent => { | ||
| return Promise.resolve(parent | ||
| .command('run') | ||
| .action(actionMock)); | ||
| } | ||
| }); | ||
| return program.parseAsync(['node', 'test', 'run']).then(() => { | ||
| expect(actionMock).toHaveBeenCalled(); | ||
| }); | ||
| }); | ||
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| test('arguments is resolved and passed to action handler', () => { | ||
| const actionSpy = jest.fn(); | ||
| return new commander.Command() | ||
| .command('run <handler>', 'run description', { | ||
| subCommandBuilder: parent => { | ||
| return Promise.resolve(parent | ||
| .command('run <arg>') | ||
| .action((arg) => { | ||
| expect(arg).toEqual('foo'); | ||
| actionSpy(); | ||
| })); | ||
| } | ||
| }) | ||
| .parseAsync(['node', 'test', 'run', 'foo']).then(() => { | ||
| expect(actionSpy).toHaveBeenCalled(); | ||
| }); | ||
| }); | ||
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| test('options is resolved and passed to action handler', () => { | ||
| const actionSpy = jest.fn(); | ||
| return new commander.Command() | ||
| .command('run <handler>', 'run description', { | ||
| subCommandBuilder: parent => { | ||
| return Promise.resolve(parent | ||
| .command('run') | ||
| .requiredOption('--test-option <val>', 'test value') | ||
| .action(command => { | ||
| expect(command.testOption).toEqual('bar'); | ||
| actionSpy(); | ||
| }) | ||
| ); | ||
| } | ||
| }) | ||
| .parseAsync(['node', 'test', 'run', '--test-option', 'bar']).then(() => { | ||
| expect(actionSpy).toHaveBeenCalled(); | ||
| }); | ||
| }); | ||
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| test('recursive sub command action handler', () => { | ||
| const infoSpy = jest.fn(); | ||
| const runSpy = jest.fn(); | ||
| const runCommandBuilder = parent => { | ||
| return parent.command('run <handler>', 'run description', { | ||
| subCommandBuilder: (parent, _operands, _unknown) => { | ||
| if (_operands && _operands[0] === 'run') { | ||
| runSpy(); | ||
| return runCommandBuilder(parent); | ||
| } | ||
| return Promise.resolve(parent | ||
| .command('info') | ||
| .action(infoSpy) | ||
| ); | ||
| } | ||
| }); | ||
| }; | ||
| return runCommandBuilder(new commander.Command()) | ||
| .parseAsync(['node', 'test', 'run', 'run', 'run', 'run', 'info']).then(() => { | ||
| expect(infoSpy).toHaveBeenCalled(); | ||
| expect(runSpy).toHaveBeenCalledTimes(3); | ||
| }) | ||
| ; | ||
| }); | ||
| }); |