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commands.js
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commands.js
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import path from 'path';
import stripIndent from 'strip-indent';
import execa from 'execa';
import test from 'ava';
import del from 'del';
const build = async fixture => {
const fixturePath = path.join(__dirname, 'fixtures', 'commands', fixture);
await execa('node', [path.join(__dirname, '..', 'cli'), 'build', '--test-mode'], {
cwd: fixturePath
});
// Install Pastel into a fixture folder
await execa('npm', ['install', '../../../../', '--no-save', '--no-bin-links', '--no-package-lock'], {
cwd: fixturePath
});
};
const cli = async (fixture, args = []) => {
const {stdout} = await execa('node', [path.join(__dirname, 'fixtures', 'commands', fixture, 'build', 'cli'), ...args], {
cwd: path.join(__dirname, 'fixtures', 'commands', fixture)
});
return stdout;
};
const cleanup = () => {
return del([
path.join(__dirname, 'fixtures', 'commands', '*', 'build'),
path.join(__dirname, 'fixtures', 'commands', '*', 'node_modules')
]);
};
test.after.always(cleanup);
test('single command', async t => {
await build('single-command');
const output = await cli('single-command');
t.is(output, 'Hello world');
});
test('multiple commands', async t => {
await build('multi-command');
const outputA = await cli('multi-command', ['a']);
const outputB = await cli('multi-command', ['b']);
t.is(outputA, 'Command A');
t.is(outputB, 'Command B');
});
test('flags', async t => {
await build('flags');
const helpOutput = await cli('flags', ['--help']);
t.is(helpOutput, stripIndent(`
cli
Flags command
Options:
--help Show help [boolean]
--version Show version number [boolean]
--string-arg String arg [string] [required] [default: "string"]
--boolean-arg Boolean arg [boolean] [default: false]
--number-arg Number arg [number] [default: 0]
--array-arg Array arg [array] [default: ["a","b",false,0]]
`).trim());
const fullOutput = await cli('flags', [
'--string-arg',
'hello',
'--boolean-arg',
'--number-arg',
'1',
'--array-arg',
'a',
'--array-arg',
'b'
]);
t.is(fullOutput, stripIndent(`
stringArg: hello
booleanArg: true
numberArg: 1
arrayArg: ["a","b"]
`).trim());
const defaultOutput = await cli('flags');
t.is(defaultOutput, stripIndent(`
stringArg: string
booleanArg: false
numberArg: 0
arrayArg: ["a","b",false,0]
`).trim());
});
test('aliases', async t => {
await build('aliases');
const helpOutput = await cli('aliases', ['--help']);
t.is(helpOutput, stripIndent(`
cli
Aliases command
Options:
--help Show help [boolean]
--version Show version number [boolean]
--stream, -s Stream arg [string]
--new-arg, --old-arg New arg [string]
`).trim());
const noAliasOutput = await cli('aliases', [
'--stream',
'yes',
'--new-arg',
'no'
]);
t.is(noAliasOutput, stripIndent(`
stream: yes
newArg: no
`).trim());
const aliasOutput = await cli('aliases', [
'-s',
'yes',
'--old-arg',
'no'
]);
t.is(aliasOutput, stripIndent(`
stream: yes
newArg: no
`).trim());
});
test('positional args', async t => {
await build('positional-args');
const helpOutput = await cli('positional-args', ['--help']);
t.is(helpOutput, stripIndent(`
cli <message> <other-message>
Positional args command
Positionals:
message Message [string]
other-message Other message [string]
Options:
--help Show help [boolean]
--version Show version number [boolean]
`).trim());
const cmdOutput = await cli('positional-args', ['hello', 'world', 'something', 'else']);
t.is(cmdOutput, stripIndent(`
message: hello
otherMessage: world
inputArgs: ["something","else"]
`).trim());
});
test('typescript', async t => {
await build('typescript');
const output = await cli('typescript');
t.is(output, 'Hello world');
});