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// Copyright (c) 2014 Titanium I.T. LLC. All rights reserved. For license, see "README" or "LICENSE" file.
(function() {
"use strict";
var HtmlElement = require("./html_element.js");
var browser = require("./browser.js");
var failFast = require("./fail_fast.js");
describe("Home page", function() {
if (browser.doesNotComputeStyles()) return;
var WHITE = "rgb(255, 255, 255)";
var DARK_GRAY = "rgb(89, 89, 89)";
var GRAY = "rgb(229, 229, 229)";
var DARKENED_GRAY = "rgb(217, 217, 217)";
var MEDIUM_GRAY = "rgb(167, 169, 171)";
var BACKGROUND_BLUE = "rgb(65, 169, 204)";
var DARK_BLUE = "rgb(13, 87, 109)";
var MEDIUM_BLUE = "rgb(0, 121, 156)";
var DARKENED_MEDIUM_BLUE = "rgb(0, 111, 143)";
var IOS_BROWSER_WIDTH = 980;
var CORNER_ROUNDING = "2px";
var BUTTON_DROP_SHADOW = " 0px 1px 0px 0px";
var frame;
var frameDom;
var logo;
var tagline;
var drawingAreaArrow;
var drawingArea;
var clearButton;
var footer;
var joinUs;
before(function(done) {
frame = HtmlElement.fromHtml("<iframe width='1200px' height='1000px' src='/base/src/client/index.html'></iframe>");
frameDom = frame.toDomElement();
frameDom.addEventListener("load", function() {
logo = getElement("logo");
tagline = getElement("tagline");
drawingAreaArrow = getElement("drawing-area-arrow");
drawingArea = getElement("drawing-area");
clearButton = getElement("clear-button");
footer = getElement("footer");
joinUs = getElement("join-us");
done();
});
frame.appendSelfToBody();
});
after(function() {
frame.remove();
});
function getElement(id) {
return frameDom.contentDocument.getElementById(id);
}
it("has a blue background", function() {
expect(backgroundColorOf(frameDom.contentDocument.body)).to.be(BACKGROUND_BLUE);
});
it("centers logo at top of page", function() {
expect(isContentCenteredInPage(logo)).to.be(true);
expect(elementPixelsFromTopOfPage(logo)).to.be(12);
expect(fontSizeOf(logo)).to.be("22px");
expect(textColorOf(logo)).to.be(WHITE);
});
// it("create iOS Safari failure", function() {
// newElement('<div><p id="tagline">tagline</p><p id="footer">footer</p></div>');
//
//
// var domElement = document.getElementById("tagline");
// var boundingBox = domElement.getBoundingClientRect(); // comment this line out to make test pass
//
//
// var style = window.getComputedStyle(domElement);
// var fontSize = style.getPropertyValue("font-size");
//
// expect(fontSize).to.be("14px");
// });
it("centers tagline directly below logo", function() {
expect(isContentCenteredInPage(tagline)).to.be(true);
expect(elementPixelsBelowElement(tagline, logo)).to.be(5);
expect(fontSizeOf(tagline)).to.be("14px");
expect(textColorOf(tagline)).to.be(DARK_BLUE);
});
it("centers drawing area below tagline", function() {
expect(isElementCenteredInPage(drawingArea)).to.be(true);
expect(elementPixelsBelowElement(drawingArea, tagline)).to.be(10);
expect(elementWidthInPixels(drawingArea)).to.equal(IOS_BROWSER_WIDTH);
expect(elementHeightInPixels(drawingArea)).to.equal(600);
expect(backgroundColorOf(drawingArea)).to.equal(WHITE);
expect(roundedCornersOf(drawingArea)).to.be(CORNER_ROUNDING);
});
it("centers an arrow at top of drawing area", function() {
expect(isElementCenteredInPage(drawingAreaArrow)).to.be(true);
expect(elementPixelsOverlappingTopOfElement(drawingAreaArrow, drawingArea)).to.be(0);
// TODO: haven't tested background image, position, or repeat
expect(isElementBehindElement(drawingAreaArrow, drawingArea)).to.be(false);
});
it("positions clear screen button at top right of drawing area", function() {
expect(elementPixelsOverlappingTopOfElement(clearButton, drawingArea)).to.be(15);
expect(elementPixelsOverlappingRightOfElement(clearButton, drawingArea)).to.be(15);
expect(isElementBehindElement(clearButton, drawingArea)).to.be(false);
expect(textColorOf(clearButton)).to.be(DARK_GRAY);
expect(backgroundColorOf(clearButton)).to.be(GRAY);
expect(hasBorder(clearButton)).to.be(false);
expect(elementHeightInPixels(clearButton)).to.equal(30);
expect(elementWidthInPixels(clearButton)).to.equal(70);
expect(isTextVerticallyCentered(clearButton)).to.be(true);
expect(roundedCornersOf(clearButton)).to.be(CORNER_ROUNDING);
expect(dropShadowOf(clearButton)).to.be(MEDIUM_GRAY + BUTTON_DROP_SHADOW);
expect(textIsUnderlined(clearButton)).to.be(false);
expect(textIsUppercase(clearButton)).to.be(true);
});
it("darkens the 'clear' button when the user hovers over it", function() {
applyClass(clearButton, "_hover_", function() {
expect(backgroundColorOf(clearButton)).to.be(DARKENED_GRAY);
});
});
it("'clear' button appears to depress when user activates it", function() {
applyClass(clearButton, "_active_", function() {
expect(elementPixelsOverlappingTopOfElement(clearButton, drawingArea)).to.be(16);
expect(dropShadowOf(clearButton)).to.be("none");
});
});
it("centers footer below the drawing area", function() {
expect(isContentCenteredInPage(footer)).to.be(true);
expect(elementPixelsBelowElement(footer, drawingArea)).to.be(13);
expect(fontSizeOf(footer)).to.be("15px");
expect(textColorOf(footer)).to.be(WHITE);
});
it("centers 'join us' button below footer", function() {
expect(isContentCenteredInPage(joinUs)).to.be(true);
expect(elementPixelsBelowElement(joinUs, footer)).to.be(13);
expect(textColorOf(joinUs)).to.be(WHITE);
expect(backgroundColorOf(joinUs)).to.be(MEDIUM_BLUE);
expect(elementHeightInPixels(joinUs)).to.equal(35);
expect(elementWidthInPixels(joinUs)).to.equal(175);
expect(isTextVerticallyCentered(joinUs)).to.be(true);
expect(roundedCornersOf(joinUs)).to.be(CORNER_ROUNDING);
expect(dropShadowOf(joinUs)).to.be(DARK_BLUE + BUTTON_DROP_SHADOW);
expect(textIsUnderlined(joinUs)).to.be(false);
expect(textIsUppercase(joinUs)).to.be(true);
});
it("darkens the 'join us' button when the user hovers over it", function() {
applyClass(joinUs, "_hover_", function() {
expect(backgroundColorOf(joinUs)).to.be(DARKENED_MEDIUM_BLUE);
});
});
it("'join us' button appears to depress when user activates it", function() {
applyClass(joinUs, "_active_", function() {
expect(elementPixelsBelowElement(joinUs, footer)).to.be(14);
expect(dropShadowOf(joinUs)).to.be("none");
});
});
function isContentCenteredInPage(domElement) {
if (!isElementCenteredInPage(domElement)) return false;
var style = window.getComputedStyle(domElement);
var textAlign = style.getPropertyValue("text-align");
return textAlign === "center";
}
function isElementCenteredInPage(domElement) {
var frameBody = frameDom.contentDocument.body;
var bodyStyle = frameDom.contentWindow.getComputedStyle(frameBody);
var bodyLeftMarginWidth = pixelsToInt(bodyStyle.getPropertyValue("margin-left"));
var bodyRightMarginWidth = pixelsToInt(bodyStyle.getPropertyValue("margin-right"));
// We can't just base the document width on the frame width because that doesn't account for scroll bars.
var bodyBoundingBox = frameBody.getBoundingClientRect();
var documentLeft = bodyBoundingBox.left - bodyLeftMarginWidth;
var documentRight = bodyBoundingBox.right + bodyRightMarginWidth;
var elementBoundingBox = getBoundingBox(domElement);
var elementLeft = elementBoundingBox.left;
var elementRight = elementBoundingBox.right;
var documentCenter = (documentRight - documentLeft) / 2;
var elementCenter = elementLeft + ((elementRight - elementLeft) / 2);
// console.log("*** CENTER: element width", elementBoundingBox.width);
// console.log("documentLeft", documentLeft);
// console.log("documentRight", documentRight);
// console.log("elementLeft", elementLeft);
// console.log("elementRight", elementRight);
// console.log("documentCenter", documentCenter);
// console.log("elementCenter", elementCenter);
var offset = Math.abs(documentCenter - elementCenter);
var success = (offset <= 0.5);
// console.log(success ? "✔ SUCCESS" : "✘ FAILURE");
return success;
}
function elementPixelsFromTopOfPage(domElement) {
return getBoundingBox(domElement).top;
}
function elementHeightInPixels(domElement) {
return getBoundingBox(domElement).height;
}
function elementWidthInPixels(domElement) {
return getBoundingBox(domElement).width;
}
function elementPixelsBelowElement(domElement, domRelativeToElement) {
return Math.round(getBoundingBox(domElement).top - getBoundingBox(domRelativeToElement).bottom);
}
function elementPixelsOverlappingTopOfElement(domElement, domRelativeToElement) {
return Math.round(getBoundingBox(domElement).top - getBoundingBox(domRelativeToElement).top);
}
function elementPixelsOverlappingRightOfElement(domElement, domRelativeToElement) {
return Math.round(getBoundingBox(domRelativeToElement).right - getBoundingBox(domElement).right);
}
function isElementBehindElement(domElement, domRelativeToElement) {
var elementZ = getZIndex(domElement);
var relativeZ = getZIndex(domRelativeToElement);
if (elementZ === relativeZ) return !isElementAfterElementInDomTree();
else return (elementZ < relativeZ);
function getZIndex(domElement) {
var z = getComputedProperty(domElement, "z-index");
if (z === "auto") z = 0;
return z;
}
function isElementAfterElementInDomTree() {
var elementNode = domElement;
var relativeNode = domRelativeToElement;
var foundRelative = false;
var elementAfterRelative = false;
for (var child = elementNode.parentNode.firstChild; child !== null; child = child.nextSibling) {
if (child === elementNode) {
if (foundRelative) elementAfterRelative = true;
}
if (child === relativeNode) foundRelative = true;
}
failFast.unlessTrue(foundRelative, "can't yet compare elements that have same z-index and are not siblings");
return elementAfterRelative;
}
}
function isTextVerticallyCentered(domElement) {
var elementHeight = getBoundingBox(domElement).height;
var lineHeight = getComputedProperty(domElement, "line-height");
return elementHeight + "px" === lineHeight;
}
function backgroundColorOf(domElement) {
return getComputedProperty(domElement, "background-color");
}
function fontSizeOf(domElement) {
return getComputedProperty(domElement, "font-size");
}
function textColorOf(domElement) {
return getComputedProperty(domElement, "color");
}
function hasBorder(domElement) {
var top = getComputedProperty(domElement, "border-top-style");
var right = getComputedProperty(domElement, "border-right-style");
var bottom = getComputedProperty(domElement, "border-bottom-style");
var left = getComputedProperty(domElement, "border-left-style");
return !(top === "none" && right === "none" && bottom === "none" && left === "none");
}
function textIsUnderlined(domElement) {
var style = getComputedProperty(domElement, "text-decoration");
return style.indexOf("none") !== 0;
}
function textIsUppercase(domElement) {
return getComputedProperty(domElement, "text-transform") === "uppercase";
}
function roundedCornersOf(domElement) {
// We can't just look at border-radius because it returns "" on Firefox and IE 9
var topLeft = getComputedProperty(domElement, "border-top-left-radius");
var topRight = getComputedProperty(domElement, "border-top-right-radius");
var bottomLeft = getComputedProperty(domElement, "border-bottom-left-radius");
var bottomRight = getComputedProperty(domElement, "border-bottom-right-radius");
if (topLeft === topRight && topLeft === bottomLeft && topLeft === bottomRight) return topLeft;
else return topLeft + " " + topRight + " " + bottomRight + " " + bottomLeft;
}
function dropShadowOf(domElement) {
var shadow = getComputedProperty(domElement, "box-shadow");
// When there is no drop shadow, most browsers say 'none', but IE 9 gives a color and nothing else.
// We handle that case here.
if (shadow === "white") return "none";
if (shadow.match(/^#[0-9a-f]{6}$/)) return "none"; // look for '#' followed by six hex digits
// The standard value seems to be "rgb(r, g, b) Wpx Xpx Ypx Zpx",
// but IE 9 gives us "Wpx Xpx Ypx Zpx #rrggbb". We need to normalize it.
// BTW, we don't support multiple shadows yet
var groups = shadow.match(/^([^#]+) #(..)(..)(..)/); // get everything before the '#' and the r, g, b
if (groups === null) return shadow; // There was no '#', so we assume we're not on IE 9 and everything's fine
var sizes = groups[1];
var r = parseInt(groups[2], 16);
var g = parseInt(groups[3], 16);
var b = parseInt(groups[4], 16);
return "rgb(" + r + ", " + g + ", " + b + ") " + sizes;
}
function getBoundingBox(domElement) {
return domElement.getBoundingClientRect();
}
function getComputedProperty(domElement, propertyName) {
var style = window.getComputedStyle(domElement);
return style.getPropertyValue(propertyName);
}
function applyClass(domElement, className, fn) {
var oldClassName = domElement.className;
try {
domElement.className += className;
forceReflow(domElement);
fn();
}
finally {
domElement.className = oldClassName;
forceReflow(domElement);
}
}
function forceReflow(domElement) {
var makeLintHappy = domElement.offsetHeight;
}
function pixelsToInt(pixels) {
return parseInt(pixels, 10);
}
});
}());