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parser.test.ts
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import { createParser } from './parser';
import { Logger } from './logger';
class StringLogger implements Logger {
private _log: string[] = [];
error(): void {
throw new Error('Method not implemented.');
}
info(...args: string[]): void {
this._log.push(args.join(', '));
}
debug(): void {
throw new Error('Method not implemented.');
}
print() {
return this._log.join('\n');
}
}
describe('CLI parser result', () => {
it('should parse boolean options', () => {
const parser = createParser({
options: {
opt: {
type: 'boolean',
},
},
commands: {},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql']).options.opt).toBe(false);
expect(parser.parse(['', 'tsgql', '--opt']).options.opt).toBe(true);
expect(parser.parse(['', 'tsgql', '--opt=hoge']).options.opt).toBe(true);
});
it('should parse string options', () => {
const parser = createParser({
options: {
opt: {
type: 'string',
},
},
commands: {},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql']).options.opt).toBe('');
expect(parser.parse(['', 'tsgql', '--opt', 'hoge']).options.opt).toBe('hoge');
expect(parser.parse(['', 'tsgql', '--opt=hoge']).options.opt).toBe('hoge');
});
it('should parse string options with default value', () => {
const parser = createParser({
options: {
opt: {
type: 'string',
defaultValue: 'foo',
},
},
commands: {},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql']).options.opt).toBe('foo');
expect(parser.parse(['', 'tsgql', '--opt', 'hoge']).options.opt).toBe('hoge');
expect(parser.parse(['', 'tsgql', '--opt=hoge']).options.opt).toBe('hoge');
});
it('should parse int options', () => {
const parser = createParser({
options: {
opt: {
type: 'int',
},
},
commands: {},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql']).options.opt).toBe(0);
expect(parser.parse(['', 'tsgql', '--opt', '100']).options.opt).toBe(100);
expect(parser.parse(['', 'tsgql', '--opt=100']).options.opt).toBe(100);
});
it('should parse short options', () => {
const parser = createParser({
options: {
opt: {
alias: 'o',
type: 'boolean',
},
},
commands: {},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql', '-o']).options.opt).toBe(true);
});
it('should provide available commands name', () => {
const parser = createParser({
options: {},
commands: {
hoge: {
description: '',
options: {},
},
foo: {
description: '',
options: {},
},
},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql']).availableCommandNames()).toStrictEqual(['hoge', 'foo']);
});
it('should store given command name if it is not configured', () => {
const parser = createParser({
options: {},
commands: {
hoge: {
description: '',
options: {},
},
},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql', 'piyo']).errors!.unknownCommand).toStrictEqual('piyo');
});
it('should provide command options', () => {
const parser = createParser({
options: {},
commands: {
hoge: {
description: '',
options: {
opt: {
type: 'boolean',
},
},
},
},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql', 'hoge']).command!.hoge!.options.opt).toBe(false);
expect(parser.parse(['', 'tsgql', 'hoge', '--opt']).command!.hoge!.options.opt).toBe(true);
});
it('should provide command arguments', () => {
const parser = createParser({
options: {},
commands: {
hoge: {
description: '',
options: {},
},
},
logger: new StringLogger(),
});
expect(parser.parse(['', 'tsgql', 'hoge', 'foo', 'piyo']).command!.hoge!._).toStrictEqual(['foo', 'piyo']);
});
it('should show global help', () => {
const logger = new StringLogger();
const parser = createParser({
options: {
version: {
alias: '-v',
description: 'Print version',
type: 'boolean',
},
},
commands: {
typegen: {
description: '',
options: {},
},
},
logger,
});
parser.parse(['', 'tsgql']).showHelp();
expect(logger.print()).toMatchSnapshot();
});
it('should show command help', () => {
const logger = new StringLogger();
const parser = createParser({
options: {},
commands: {
typegen: {
description: 'Generate type files.',
options: {
project: {
alias: 'p',
type: 'string',
description: 'Path to tsconfig.json.',
},
},
},
},
logger,
});
parser.parse(['', 'tsgql']).showCommandHelp('typegen');
expect(logger.print()).toMatchSnapshot();
});
});