diff --git a/tests/frontend/specs/caret.js b/tests/frontend/specs/caret.js new file mode 100644 index 000000000..fd479d5db --- /dev/null +++ b/tests/frontend/specs/caret.js @@ -0,0 +1,114 @@ +describe("As the caret is moved is the UI properly updated?", function(){ + //create a new pad before each test run + beforeEach(function(cb){ + helper.newPad(cb); + this.timeout(60000); + }); + + /* Tests to do + * Keystroke up (38), down (40), left (37), right (39) with and without special keys IE control / shift + * Page up (33) / down (34) with and without special keys + */ + + it("Creates N rows, changes height of rows, updates UI by caret key events", function(done) { + var inner$ = helper.padInner$; + var chrome$ = helper.padChrome$; + var numberOfRows = 50; + + //ace creates a new dom element when you press a keystroke, so just get the first text element again + var $newFirstTextElement = inner$("div").first(); + var originalDivHeight = inner$("div").first().css("height"); + + prepareDocument(numberOfRows, $newFirstTextElement); // N lines into the first div as a target + + helper.waitFor(function(){ // Wait for the DOM to register the new items + return inner$("div").first().text().length == 6; + }).done(function(){ // Once the DOM has registered the items + inner$("div").each(function(index){ // Randomize the item heights (replicates images / headings etc) + var random = Math.floor(Math.random() * (50)) + 20; + $(this).css("height", random+"px"); + }); + + var newDivHeight = inner$("div").first().css("height"); + var heightHasChanged = originalDivHeight != newDivHeight; // has the new div height changed from the original div height + expect(heightHasChanged).to.be(true); // expect the first line to be blank + }); + + // Is this Element now visible to the pad user? + helper.waitFor(function(){ // Wait for the DOM to register the new items + return isScrolledIntoView(inner$("div:nth-child("+numberOfRows+")"), inner$); // Wait for the DOM to scroll into place + }).done(function(){ // Once the DOM has registered the items + inner$("div").each(function(index){ // Randomize the item heights (replicates images / headings etc) + var random = Math.floor(Math.random() * (80 - 20 + 1)) + 20; + $(this).css("height", random+"px"); + }); + + var newDivHeight = inner$("div").first().css("height"); + var heightHasChanged = originalDivHeight != newDivHeight; // has the new div height changed from the original div height + expect(heightHasChanged).to.be(true); // expect the first line to be blank + }); + + // Does scrolling back up the pad with the up arrow show the correct contents? + helper.waitFor(function(){ // Wait for the new position to be in place + return isScrolledIntoView(inner$("div:nth-child("+numberOfRows+")"), inner$); // Wait for the DOM to scroll into place + }).done(function(){ // Once the DOM has registered the items + var i = 0; + while(i < numberOfRows){ // press up arrow N times + keyEvent(inner$, 38, false, false); + i++; + } + + helper.waitFor(function(){ // Wait for the new position to be in place + return isScrolledIntoView(inner$("div:nth-child(0)"), inner$); // Wait for the DOM to scroll into place + }).done(function(){ // Once we're at the top of the document + expect(true).to.be(true); + done(); + }); + }); + + }); +}); + +function prepareDocument(n, target){ // generates a random document with random content on n lines + var i = 0; + while(i < n){ // for each line + target.sendkeys(makeStr()); // generate a random string and send that to the editor + target.sendkeys('{enter}'); // generator an enter keypress + i++; // rinse n times + } +} + +function keyEvent(target, charCode, ctrl, shift){ // sends a charCode to the window + if(target.browser.mozilla){ // if it's a mozilla browser + var evtType = "keypress"; + }else{ + var evtType = "keydown"; + } + var e = target.Event(evtType); + if(ctrl){ + e.ctrlKey = true; // Control key + } + if(shift){ + e.shiftKey = true; // Shift Key + } + e.which = charCode; + target("#innerdocbody").trigger(e); +} + + +function makeStr(){ // from http://stackoverflow.com/questions/1349404/generate-a-string-of-5-random-characters-in-javascript + var text = ""; + var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; + + for( var i=0; i < 5; i++ ) + text += possible.charAt(Math.floor(Math.random() * possible.length)); + return text; +} + +function isScrolledIntoView(elem, $){ // from http://stackoverflow.com/questions/487073/check-if-element-is-visible-after-scrolling + var docViewTop = $(window).scrollTop(); + var docViewBottom = docViewTop + $(window).height(); + var elemTop = $(elem).offset().top; + var elemBottom = elemTop + $(elem).height(); + return ((elemBottom <= docViewBottom) && (elemTop >= docViewTop)); +}