node-query/node_modules/getargs/tests.js

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2014-10-22 10:11:40 -04:00
var getArgs = require('./index')
var assert = require('chai').assert
test('basic', function(){
var args = [1, 2]
var result = getArgs('a,b', args)
assert(result.a === 1)
assert(result.b === 2)
assert.deepEqual(result, getArgs('a, b', args))
})
test('not enough throws', function(){
getArgs('a', [1])
assert.throws(function(){
getArgs('a', [])
}, 'Not enough arguments, expected 1, got 0')
})
test('too many throws', function(){
var args = [1, 2]
assert.throws(function(){
getArgs('a', args)
}, 'Too many arguments, expected 1, got 2')
assert.throws(function(){
getArgs('a,b', [1,2,3])
}, 'Too many arguments, expected 2, got 3')
})
test('checks type', function(){
var result = getArgs('a:string', ['abc'])
assert(result.a === 'abc')
assert.throws(function(){
getArgs('a:string', [1])
}, 'Expected a(pos 0) to be a string')
getArgs('a:Array', [[]])
assert.throws(function(){
getArgs('a:array', [1])
}, 'Expected a(pos 0) to be a array')
getArgs('a:number', [3])
assert.throws(function(){
getArgs('a:number', ['a'])
}, 'Expected a(pos 0) to be a number')
assert.throws(function(){
getArgs('a:boolean', ['a'])
}, 'Expected a(pos 0) to be a boolean')
})
test('supports multiple types', function(){
var result = getArgs('a:string|array', ['abc'])
assert.equal(result.a, 'abc')
var result = getArgs('a:string|array', [['abc']])
assert.deepEqual(result.a, ['abc'])
})
test('unknown type', function(){
assert.throws(function(){
getArgs('a:blarg', ['abc'])
}, 'Unknown type: blarg')
})
test('optional by type', function(){
var result = getArgs(
'[user]:object,callback:function',
[{name: 'bobby'}, function(){}])
assert(result.user.name === 'bobby')
result = getArgs(
'[user]:object,callback:function',
[function(){}])
assert(result.user === undefined)
assert(result.callback instanceof Function)
})
test('optional + spread', function(){
var result = getArgs('[user]:object,...rest',[1,2,3])
assert.deepEqual(result.rest, [1,2,3])
})
test('optional last', function(){
var result = getArgs('a,[b]', [1])
assert(result.a === 1)
assert(result.b === undefined)
})
test('spread operator', function(){
var result = getArgs('a,...b', [1, 2, 3, 4])
assert(result.b == '2,3,4')
})
test('sets properties on target if passed in', function(){
var target = {}
var args = [1, 2]
getArgs('a,b', args, target)
assert(target.a == 1)
assert(target.b == 2)
})