/*\
title: test-filters.js
type: application/javascript
tags: [[$:/tags/test-spec]]

Tests the filtering mechanism.

\*/
(function(){

/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";

describe("Filter tests", function() {

	// Create a wiki
	var wiki = new $tw.Wiki();

	// Some helpers
	var addShadowTiddler = function(fields) {
		var tiddler = new $tw.Tiddler(fields);
		wiki.shadowTiddlers[tiddler.fields.title] = {tiddler: tiddler};
	};

	// Add a few  tiddlers
	wiki.addTiddler({
		title: "TiddlerOne",
		text: "The quick brown fox in $:/TiddlerTwo",
		tags: ["one"],
		modifier: "JoeBloggs",
		modified: "201304152219"});
	wiki.addTiddler({
		title: "$:/TiddlerTwo",
		text: "The rain in Spain\nfalls mainly on the plain and [[a fourth tiddler]]",
		tags: ["two"],
		modifier: "JohnDoe",
		modified: "201304151756"});
	wiki.addTiddler({
		title: "Tiddler Three",
		text: "The speed of sound in light\n\nThere is no TiddlerZero but TiddlerSix",
		tags: ["one","two"],
		modifier: "JohnDoe",
		modified: "201304161643"});
	wiki.addTiddler({
		title: "a fourth tiddler",
		text: "The quality of mercy is not drained by [[Tiddler Three]]",
		tags: [],
		modifier: "JohnDoe"});
	wiki.addTiddler({
		title: "one",
		text: "This is the text of tiddler [[one]]",
		list: "[[Tiddler Three]] [[TiddlerOne]]",
		modifier: "JohnDoe"});
	// And some shadows
	addShadowTiddler({
		title: "$:/TiddlerFive",
		text: "Everything in federation",
		tags: ["two"]});
	addShadowTiddler({
		title: "TiddlerSix",
		text: "Missing inaction from TiddlerOne",
		tags: []});
	addShadowTiddler({
		title: "TiddlerSeventh",
		text: "",
		list: "TiddlerOne [[Tiddler Three]] [[a fourth tiddler]] MissingTiddler",
		tags: []});
	addShadowTiddler({
		title: "Tiddler8",
		text: "Tidd",
		tags: [],
		"test-field": "JoeBloggs"});

	// Our tests

	it("should handle the title operator", function() {
		expect(wiki.filterTiddlers("TiddlerOne [title[$:/TiddlerTwo]] [[Tiddler Three]]").join(",")).toBe("TiddlerOne,$:/TiddlerTwo,Tiddler Three");
		expect(wiki.filterTiddlers("[!title[Tiddler Three]]").join(",")).toBe("TiddlerOne,$:/TiddlerTwo,a fourth tiddler,one");
		expect(wiki.filterTiddlers("TiddlerOne [title[$:/TiddlerTwo]] [[Tiddler Three]] [[A Missing Tiddler]]").join(",")).toBe("TiddlerOne,$:/TiddlerTwo,Tiddler Three,A Missing Tiddler");
	});

	it("should handle the field operator", function() {
		expect(wiki.filterTiddlers("[modifier[JoeBloggs]]").join(",")).toBe("TiddlerOne");
		expect(wiki.filterTiddlers("[!modifier[JoeBloggs]]").join(",")).toBe("$:/TiddlerTwo,Tiddler Three,a fourth tiddler,one");
		expect(wiki.filterTiddlers("[!is[system]!modifier[JoeBloggs]]").join(",")).toBe("Tiddler Three,a fourth tiddler,one");
	});

	it("should handle the prefix operator", function() {
		expect(wiki.filterTiddlers("[prefix[Tiddler]]").join(",")).toBe("TiddlerOne,Tiddler Three");
		expect(wiki.filterTiddlers("[prefix[nothing]]").join(",")).toBe("");
	});

	it("should handle the sort and sortcs operators", function() {
		expect(wiki.filterTiddlers("[sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[!sort[title]]").join(",")).toBe("TiddlerOne,Tiddler Three,one,a fourth tiddler,$:/TiddlerTwo");
		expect(wiki.filterTiddlers("[sortcs[title]]").join(",")).toBe("$:/TiddlerTwo,Tiddler Three,TiddlerOne,a fourth tiddler,one");
		expect(wiki.filterTiddlers("[!sortcs[title]]").join(",")).toBe("one,a fourth tiddler,TiddlerOne,Tiddler Three,$:/TiddlerTwo");
	});

	it("should handle the tag operator", function() {
		expect(wiki.filterTiddlers("[tag[one]sort[title]]").join(",")).toBe("Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[!tag[one]sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one");
		expect(wiki.filterTiddlers("[prefix[Tidd]tag[one]sort[title]]").join(",")).toBe("Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[!is[shadow]tag[two]sort[title]]").join(",")).toBe("$:/TiddlerTwo,Tiddler Three");
		expect(wiki.filterTiddlers("[is[shadow]tag[two]sort[title]]").join(",")).toBe("$:/TiddlerFive");
	});

	it("should handle the tags operator", function() {
		expect(wiki.filterTiddlers("[tags[]sort[title]]").join(",")).toBe("one,two");
		expect(wiki.filterTiddlers("[[TiddlerOne]tags[]sort[title]]").join(",")).toBe("one");
	});

	it("should handle the tagging operator", function() {
		expect(wiki.filterTiddlers("[[one]tagging[]sort[title]]").join(",")).toBe("Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[[one]tagging[]]").join(",")).toBe("Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[[two]tagging[]sort[title]]").join(",")).toBe("$:/TiddlerTwo,Tiddler Three");
		expect(wiki.filterTiddlers("[is[current]tagging[]sort[title]]","one").join(",")).toBe("Tiddler Three,TiddlerOne");
	});

	it("should handle the untagged operator", function() {
		expect(wiki.filterTiddlers("[untagged[]sort[title]]").join(",")).toBe("a fourth tiddler,one");
		expect(wiki.filterTiddlers("[!untagged[]sort[title]]").join(",")).toBe("$:/TiddlerTwo,Tiddler Three,TiddlerOne");
	});

	it("should handle the links operator", function() {
		expect(wiki.filterTiddlers("[!is[shadow]links[]sort[title]]").join(",")).toBe("a fourth tiddler,one,Tiddler Three,TiddlerSix,TiddlerTwo,TiddlerZero");
		expect(wiki.filterTiddlers("[is[shadow]links[]sort[title]]").join(",")).toBe("TiddlerOne");
	});

	it("should handle the backlinks operator", function() {
		expect(wiki.filterTiddlers("[!is[shadow]backlinks[]sort[title]]").join(",")).toBe("a fourth tiddler,one");
		expect(wiki.filterTiddlers("[is[shadow]backlinks[]sort[title]]").join(",")).toBe("Tiddler Three");
	});

	it("should handle the has operator", function() {
		expect(wiki.filterTiddlers("[has[modified]sort[title]]").join(",")).toBe("$:/TiddlerTwo,Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[!has[modified]sort[title]]").join(",")).toBe("a fourth tiddler,one");
	});

	it("should handle the limit operator", function() {
		expect(wiki.filterTiddlers("[!is[system]sort[title]limit[2]]").join(",")).toBe("a fourth tiddler,one");
		expect(wiki.filterTiddlers("[prefix[Tid]sort[title]limit[1]]").join(",")).toBe("Tiddler Three");
	});

	it("should handle the list operator", function() {
		expect(wiki.filterTiddlers("[list[TiddlerSeventh]sort[title]]").join(",")).toBe("a fourth tiddler,MissingTiddler,Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[tag[one]list[TiddlerSeventh]sort[title]]").join(",")).toBe("Tiddler Three,TiddlerOne");
	});

	it("should handle the search operator", function() {
		expect(wiki.filterTiddlers("[search[the]sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[search{Tiddler8}sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,Tiddler Three,TiddlerOne");
	});

	it("should handle the each operator", function() {
		expect(wiki.filterTiddlers("[each[modifier]sort[title]]").join(",")).toBe("$:/TiddlerTwo,TiddlerOne");
	});

	it("should handle the eachday operator", function() {
		expect(wiki.filterTiddlers("[eachday[modified]sort[title]]").join(",")).toBe("Tiddler Three,TiddlerOne");
	});

	it("should handle the sameday operator", function() {
		expect(wiki.filterTiddlers("[sameday[201304151312]sort[title]]").join(",")).toBe("$:/TiddlerTwo,TiddlerOne");
	});

	describe("testing the is operator",function() {

		it("should handle the '[is[current]]' operator", function() {
			expect(wiki.filterTiddlers("[is[current]]","Tiddler Three").join(",")).toBe("Tiddler Three");
			expect(wiki.filterTiddlers("[[Tiddler Three]is[current]]","Tiddler Three").join(",")).toBe("Tiddler Three");
			expect(wiki.filterTiddlers("[[$:/TiddlerTwo]is[current]]","Tiddler Three").join(",")).toBe("");
			expect(wiki.filterTiddlers("[!is[current]sort[title]]","Tiddler Three").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,TiddlerOne");
		});

		it("should handle the '[is[system]]' operator", function() {
			expect(wiki.filterTiddlers("[is[system]]").join(",")).toBe("$:/TiddlerTwo");
			expect(wiki.filterTiddlers("[!is[system]sort[title]]").join(",")).toBe("a fourth tiddler,one,Tiddler Three,TiddlerOne");
		});

		it("should handle the '[is[shadow]]' operator", function() {
			expect(wiki.filterTiddlers("[is[shadow]sort[title]]").join(",")).toBe("$:/TiddlerFive,Tiddler8,TiddlerSeventh,TiddlerSix");
			expect(wiki.filterTiddlers("[!is[shadow]sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,Tiddler Three,TiddlerOne");
		});

		it("should handle the '[is[missing]]' operator", function() {
			expect(wiki.filterTiddlers("[is[missing]]").join(",")).toBe("TiddlerZero,TiddlerTwo");
			expect(wiki.filterTiddlers("[!is[missing]sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,Tiddler Three,TiddlerOne");
			expect(wiki.filterTiddlers("[[TiddlerOne]is[missing]]").join(",")).toBe("");
			expect(wiki.filterTiddlers("[[TiddlerZero]is[missing]]").join(",")).toBe("TiddlerZero");
			expect(wiki.filterTiddlers("[!title[Tiddler Three]is[missing]]").join(",")).toBe("");
			expect(wiki.filterTiddlers("[!title[Tiddler Three]!is[missing]sort[title]]").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,TiddlerOne");
		});

		it("should handle the '[is[orphan]]' operator", function() {
			expect(wiki.filterTiddlers("[is[orphan]sort[title]]").join(",")).toBe("a fourth tiddler,TiddlerOne");
			expect(wiki.filterTiddlers("[!is[orphan]]").join(",")).toBe("$:/TiddlerTwo,Tiddler Three,one");
			expect(wiki.filterTiddlers("[[TiddlerOne]is[orphan]]").join(",")).toBe("TiddlerOne");
			expect(wiki.filterTiddlers("[[TiddlerOne]!is[orphan]]").join(",")).toBe("");
			expect(wiki.filterTiddlers("[!title[Tiddler Three]is[orphan]sort[title]]").join(",")).toBe("a fourth tiddler,TiddlerOne");
			expect(wiki.filterTiddlers("[!title[Tiddler Three]!is[orphan]]").join(",")).toBe("$:/TiddlerTwo,one");
		});

	});

	it("should handle the operand prefixes", function() {
		expect(wiki.filterTiddlers("[prefix[Tiddler]] +[sort[title]]").join(",")).toBe("Tiddler Three,TiddlerOne");
	});

	it("should handle indirect operands", function() {
		expect(wiki.filterTiddlers("[prefix{Tiddler8}] +[sort[title]]").join(",")).toBe("Tiddler Three,TiddlerOne");
		expect(wiki.filterTiddlers("[modifier{Tiddler8!!test-field}] +[sort[title]]").join(",")).toBe("TiddlerOne");
		expect(wiki.filterTiddlers("[modifier{!!modifier}] +[sort[title]]","Tiddler Three").join(",")).toBe("$:/TiddlerTwo,a fourth tiddler,one,Tiddler Three");
	});

});

})();