Add isEqual() method to tiddlers

editions/test/tiddlers/tests/test-tiddler.js

@@ -0,0 +1,137 @@
+/*\
+title: test-tiddlers.js
+type: application/javascript
+tags: [[$:/tags/test-spec]]
+
+Tests the tiddler object
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+describe("Tiddler tests", function() {
+
+	function compareTiddlers(fieldsA,fieldsB,excludeFields) {
+		var tiddlerA = new $tw.Tiddler(fieldsA),
+			tiddlerB = new $tw.Tiddler(fieldsB);
+		return tiddlerA.isEqual(tiddlerB,excludeFields);
+	}
+
+	// Our tests
+
+	it("should compare identical tiddlers", function() {
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		})).toEqual(true);
+	});
+
+	it("should compare different tiddlers", function() {
+		expect(compareTiddlers({
+			title: "HelloThere2",
+			text: "one",
+			tags: ["one","two","three"]
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		})).toEqual(false);
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","three"]
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		})).toEqual(false);
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"],
+			caption: "Test"
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		})).toEqual(false);
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"],
+			caption: "Test"
+		})).toEqual(false);
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		},{
+			title: "HelloThere",
+			text: "one"
+		})).toEqual(false);
+	});
+
+	it("should compare different tiddlers with exclusions", function() {
+		expect(compareTiddlers({
+			title: "HelloThere2",
+			text: "one",
+			tags: ["one","two","three"]
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		},["title"])).toEqual(true);
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","three"]
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		},["tags"])).toEqual(true);
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"],
+			caption: "Test"
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		},["caption"])).toEqual(true);
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		},{
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"],
+			caption: "Test"
+		},["caption"])).toEqual(true);
+		expect(compareTiddlers({
+			title: "HelloThere",
+			text: "one",
+			tags: ["one","two","three"]
+		},{
+			title: "HelloThere",
+			text: "one"
+		},["tags"])).toEqual(true);
+	});
+
+});
+
+})();