tododata_test.js

'use strict';

var tododata = require('./tododata');
var observable = require('poochie/observable');
var assert = require('assert');
var localStorage = require('localStorage');
var pub = observable.publisher;
var eq = assert.deepEqual;

(function testTodoData(){
	eq(tododata.createObservableTodoData().get() instanceof Array, true);
})();

(function testAddItem(){
	var oTodoData = pub([]);
	tododata.addItem('do stuff', oTodoData);
	eq(oTodoData.get().length, 1);
})();

(function testRemoveItem(){
	var oTodoData = pub([{text: 'foo'}, {text: 'bar'}]);

	tododata.removeItem(0, oTodoData);
	eq(oTodoData.get().length, 1);

	tododata.removeItem(0, oTodoData);
	eq(oTodoData.get().length, 0);
})();

(function testLocalStorage(){
	var rawTodoData = [
		{text: 'Taste JavaScript', completed: true},
		{text: 'Buy a unicorn'}
	];

	localStorage.clear();
	localStorage.setItem('todoData', JSON.stringify(rawTodoData));

	var oTodoData = tododata.createObservableTodoData();
	eq(oTodoData.get()[1].text.get(), 'Buy a unicorn');
})();

(function testAutoSave(){
	function load() {
		return JSON.parse(localStorage.getItem('todoData'));
	}

	var rawTodoData = [
		{text: 'Taste JavaScript', completed: true},
		{text: 'Buy a unicorn'}
	];

	localStorage.clear();
	localStorage.setItem('todoData', JSON.stringify(rawTodoData));
	var oTodoData = tododata.createObservableTodoData();
	tododata.autoSave(oTodoData);

	// Modify completed state. Ensure it was saved.
	eq(load()[0].completed, true);
	oTodoData.get()[0].completed.set(false);
	eq(load()[0].completed, false);

	// Modify item text. Ensure it was saved.
	oTodoData.get()[0].text.set('Taste localStorage');
	eq(load()[0].text, 'Taste localStorage');

	// Push an item. Ensure it was saved.
	var todoData = oTodoData.get();
	todoData.push({text: pub('More stuff')});
	oTodoData.set(todoData);
	eq(load()[2].text, 'More stuff');
})();

(function testFragment(){
	tododata.createObservableFragment();
})();

(function testFragmentWithWindow(){
	global.window = {};

	// Test empty URL.
	global.location = {hash: ''};
	tododata.createObservableFragment();

	// Test URL with a fragment.
	global.location = {hash: '#/'};
	tododata.createObservableFragment();

	delete global.location;
	delete global.window;
})();

module.exports = 'passed!';