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