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/*
* Copyright (c) 2013 - present Adobe Systems Incorporated. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
/*global describe, it, expect, beforeEach, afterEach, runs, waitsForDone */
define(function (require, exports, module) {
"use strict";
// Modules from the SpecRunner window
var SpecRunnerUtils = brackets.getModule("spec/SpecRunnerUtils"),
KeyEvent = brackets.getModule("utils/KeyEvent"),
testContentCSS = require("text!unittest-files/unittests.css"),
provider = require("main").inlineTimingFunctionEditorProvider,
TimingFunctionUtils = require("TimingFunctionUtils"),
BezierCurveEditor = require("BezierCurveEditor").BezierCurveEditor,
StepEditor = require("StepEditor").StepEditor;
describe("Inline Timing Function Editor", function () {
var testDocument, testEditor, inline;
/**
* Creates an inline timing function editor connected to the given cursor position in the test editor.
* Note that this does *not* actually open it as an inline editor in the test editor.
* Tests that use this must wrap their contents in a runs() block.
* @param {!{line:number, ch: number}} cursor Position for which to open the inline editor.
* if the provider did not create an inline editor.
*/
function makeTimingFunctionEditor(cursor) {
runs(function () {
var promise = provider(testEditor, cursor);
if (promise) {
promise.done(function (inlineResult) {
inlineResult.onAdded();
inline = inlineResult;
});
waitsForDone(promise, "open timing function editor");
}
});
}
/**
* Expects arrays to be of specified length and equal.
* @param {Array} a1 Result to test
* @param {Array} a2 Expected values.
* @param {number} len Expected length.
*/
function expectArraysToBeEqual(a1, a2, len) {
expect(a2.length).toEqual(a1.length);
a2.forEach(function (entry, index) {
expect(entry).toEqual(a1[index]);
});
}
describe("TimingFunctionUtils for bezier curve functions", function () {
var match;
/**
* Expects an invalid steps() function to be corrected the right way, with the right match
* and originalString given a string to match and an expectation of the output match.
* @param {string} str The string to match
* @param {Array} expectedArray The array that should equal the output match.
*/
function testInvalidBezier(str, expectedArray) {
var match = TimingFunctionUtils.timingFunctionMatch(str, false);
runs(function () {
expectArraysToBeEqual(match, expectedArray);
expect(match.originalString).toEqual(str);
});
}
// Valid cubic-bezier function cases
it("should match bezier curve function in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("cubic-bezier(.1, .2, .3, .4)", false);
expect(match).toBeTruthy();
expectArraysToBeEqual(match, ["cubic-bezier(.1, .2, .3, .4)", ".1", ".2", ".3", ".4"]);
expect(match.originalString).toBeFalsy();
});
it("should match bezier curve function in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("cubic-bezier(.1, .2, .3, .4)", true);
expect(match).toBeTruthy();
expectArraysToBeEqual(match, ["cubic-bezier(.1, .2, .3, .4)", ".1", ".2", ".3", ".4"]);
expect(match.originalString).toBeFalsy();
});
it("should match bezier curve function with negative value", function () {
match = TimingFunctionUtils.timingFunctionMatch("cubic-bezier(0, -.2, 1, 1.2)", false);
expectArraysToBeEqual(match, ["cubic-bezier(0, -.2, 1, 1.2)", "0", "-.2", "1", "1.2"]);
expect(match.originalString).toBeFalsy();
});
it("should match bezier curve function in full line of longhand css", function () {
match = TimingFunctionUtils.timingFunctionMatch(" transition-timing-function: cubic-bezier(.37, .28, .83, .94);", false);
expectArraysToBeEqual(match, ["cubic-bezier(.37, .28, .83, .94)", ".37", ".28", ".83", ".94"]);
expect(match.originalString).toBeFalsy();
});
it("should match bezier curve function in full line of shorthand css", function () {
match = TimingFunctionUtils.timingFunctionMatch(" transition: top 100ms cubic-bezier(.37, .28, .83, .94) 0;", false);
expectArraysToBeEqual(match, ["cubic-bezier(.37, .28, .83, .94)", ".37", ".28", ".83", ".94"]);
expect(match.originalString).toBeFalsy();
});
it("should match bezier curve function with leading zeros", function () {
match = TimingFunctionUtils.timingFunctionMatch("cubic-bezier(0.1, 0.2, 0.3, 0.4)", false);
expectArraysToBeEqual(match, ["cubic-bezier(0.1, 0.2, 0.3, 0.4)", "0.1", "0.2", "0.3", "0.4"]);
expect(match.originalString).toBeFalsy();
});
it("should match bezier curve function with no optional whitespace", function () {
match = TimingFunctionUtils.timingFunctionMatch("cubic-bezier(.1,.2,.3,.4)", false);
expectArraysToBeEqual(match, ["cubic-bezier(.1,.2,.3,.4)", ".1", ".2", ".3", ".4"]);
expect(match.originalString).toBeFalsy();
});
it("should match bezier curve function with extra optional whitespace", function () {
match = TimingFunctionUtils.timingFunctionMatch("cubic-bezier( .1 , .2 , .3 , .4 )", false);
expectArraysToBeEqual(match, ["cubic-bezier( .1 , .2 , .3 , .4 )", ".1", ".2", ".3", ".4"]);
expect(match.originalString).toBeFalsy();
});
// Valid other functions
it("should match linear animation function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("animation-timing-function: linear;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("linear");
expect(match.originalString).toBeFalsy();
});
it("should match ease animation function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("animation-timing-function: ease;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease");
expect(match.originalString).toBeFalsy();
});
it("should match ease-in animation function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("animation-timing-function: ease-in;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-in");
expect(match.originalString).toBeFalsy();
});
it("should match ease-out animation function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("animation-timing-function: ease-out;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-out");
expect(match.originalString).toBeFalsy();
});
it("should match ease-in-out animation function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("animation-timing-function: ease-in-out;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-in-out");
expect(match.originalString).toBeFalsy();
});
it("should match linear function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("transition-timing-function: linear;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("linear");
expect(match.originalString).toBeFalsy();
});
it("should match linear function value in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("linear", true);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("linear");
expect(match.originalString).toBeFalsy();
});
it("should match ease function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("transition-timing-function: ease;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease");
expect(match.originalString).toBeFalsy();
});
it("should match ease function value in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("ease", true);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease");
expect(match.originalString).toBeFalsy();
});
it("should match ease-in function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("transition-timing-function: ease-in;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-in");
expect(match.originalString).toBeFalsy();
});
it("should match ease-in function value in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("ease-in", true);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-in");
expect(match.originalString).toBeFalsy();
});
it("should match ease-out function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("transition-timing-function: ease-out;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-out");
expect(match.originalString).toBeFalsy();
});
it("should match ease-out function value in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("ease-out", true);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-out");
expect(match.originalString).toBeFalsy();
});
it("should match ease-in-out function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("transition-timing-function: ease-in-out;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-in-out");
expect(match.originalString).toBeFalsy();
});
it("should match ease-in-out function value in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("ease-in-out", true);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("ease-in-out");
expect(match.originalString).toBeFalsy();
});
// Invalid cubic-beziers - they should be corrected automatically
it("should correct cubic-bezier function with out-of-range X parameters", function () {
testInvalidBezier("cubic-bezier(-.2, 0, 1.2, 1)", ["cubic-bezier(0, 0, 1, 1)", "0", "0", "1", "1"]);
});
it("should correct cubic-bezier function with Infinity parameters", function () {
testInvalidBezier("cubic-bezier(0, Infinity, 1, -Infinity)", ["cubic-bezier(0, 0, 1, 1)", "0", "0", "1", "1"]);
});
it("should correct cubic-bezier function with non-numeric parameters", function () {
testInvalidBezier("cubic-bezier(x1, y1, x2, y2)", ["cubic-bezier(.42, 0, .58, 1)", ".42", "0", ".58", "1"]);
});
it("should correct cubic-bezier function with no parameters", function () {
testInvalidBezier("cubic-bezier()", ["cubic-bezier(.42, 0, .58, 1)", ".42", "0", ".58", "1"]);
});
it("should correct cubic-bezier function with 3 parameters", function () {
testInvalidBezier("cubic-bezier(0, 0, 1)", ["cubic-bezier(0, 0, 1, 1)", "0", "0", "1", "1"]);
});
it("should correct cubic-bezier function with 5 parameters", function () {
testInvalidBezier("cubic-bezier(0, 0, 1, 1, 1)", ["cubic-bezier(0, 0, 1, 1)", "0", "0", "1", "1"]);
});
it("should correct cubic-bezier function with trailing comma", function () {
testInvalidBezier("cubic-bezier(.42, 0, .58, .5,)", ["cubic-bezier(.42, 0, .58, .5)", ".42", "0", ".58", ".5"]);
});
// Real invalid cubic-beziers - they should NOT be corrected automatically
it("should not match cubic-bezier function with invalid whitespace", function () {
match = TimingFunctionUtils.timingFunctionMatch("cubic-bezier (0, 0, 1, 1)", false);
expect(match).toBeFalsy();
});
it("should not match cubic-bezier function with UPPER-CASE", function () {
match = TimingFunctionUtils.timingFunctionMatch("CUBIC-BEZIER(0, 0, 1, 1)", false);
expect(match).toBeFalsy();
});
it("should not match unknown timing function", function () {
match = TimingFunctionUtils.timingFunctionMatch("ease-out-in", false);
expect(match).toBeFalsy();
});
it("should not match linear when not a timing function", function () {
match = TimingFunctionUtils.timingFunctionMatch("background: linear-gradient(to bottom, blue, white);", false);
expect(match).toBeFalsy();
});
});
describe("TimingFunctionUtils for step functions", function () {
var match;
/**
* Expects an invalid steps() function to be corrected the right way, with the right match
* and originalString given a string to match and an expectation of the output match.
* @param {string} str The string to match
* @param {Array} expectedArray The array that should equal the output match.
*/
function testInvalidStep(str, expectedArray) {
var match = TimingFunctionUtils.timingFunctionMatch(str, false);
runs(function () {
expectArraysToBeEqual(match, expectedArray);
expect(match.originalString).toEqual(str);
});
}
// Valid steps function cases
it("should match steps function in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps(3, start)", false);
expect(match).toBeTruthy();
expectArraysToBeEqual(match, ["steps(3, start)", "3", "start"]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps(3, start)", true);
expect(match).toBeTruthy();
expectArraysToBeEqual(match, ["steps(3, start)", "3", "start"]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function with second parameter of end", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps(12, end)", false);
expectArraysToBeEqual(match, ["steps(12, end)", "12", "end"]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function with only 1 parameter", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps(8)", false);
expectArraysToBeEqual(match, ["steps(8)", "8", undefined]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function in full line of longhand css", function () {
match = TimingFunctionUtils.timingFunctionMatch(" transition-timing-function: steps(5, start);", false);
expectArraysToBeEqual(match, ["steps(5, start)", "5", "start"]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function in full line of shorthand css", function () {
match = TimingFunctionUtils.timingFunctionMatch(" transition: top 100ms steps(10) 0;", false);
expectArraysToBeEqual(match, ["steps(10)", "10", undefined]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function with leading zeros", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps(04, end)", false);
expectArraysToBeEqual(match, ["steps(04, end)", "04", "end"]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function with no optional whitespace with 1 param", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps(3)", false);
expectArraysToBeEqual(match, ["steps(3)", "3", undefined]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function with no optional whitespace with 2 params", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps(3,end)", false);
expectArraysToBeEqual(match, ["steps(3,end)", "3", "end"]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function with extra optional whitespace with 1 param", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps( 7 )", false);
expectArraysToBeEqual(match, ["steps( 7 )", "7", undefined]);
expect(match.originalString).toBeFalsy();
});
it("should match steps function with extra optional whitespace with 2 params", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps( 8 , start )", false);
expectArraysToBeEqual(match, ["steps( 8 , start )", "8", "start"]);
expect(match.originalString).toBeFalsy();
});
// Valid other functions
it("should match step-start function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("transition-timing-function: step-start;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("step-start");
expect(match.originalString).toBeFalsy();
});
it("should match step-start function value in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("step-start", true);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("step-start");
expect(match.originalString).toBeFalsy();
});
it("should match step-end function in declaration in strict mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("transition-timing-function: step-end;", false);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("step-end");
expect(match.originalString).toBeFalsy();
});
it("should match step-end function value in lax mode", function () {
match = TimingFunctionUtils.timingFunctionMatch("step-end", true);
expect(match.length).toEqual(1);
expect(match[0]).toEqual("step-end");
expect(match.originalString).toBeFalsy();
});
// Invalid steps - they should be corrected automatically
it("should correct steps function with zero steps", function () {
testInvalidStep("steps(0)", ["steps(5, end)", "5", "end"]);
});
it("should correct steps function with a non-integer number of steps", function () {
testInvalidStep("steps(3.0)", ["steps(3, end)", "3", "end"]);
});
it("should correct steps function with a negative number of steps", function () {
testInvalidStep("steps(-2)", ["steps(5, end)", "5", "end"]);
});
it("should correct steps function with an infinite number of steps", function () {
testInvalidStep("steps(Infinity,)", ["steps(5, end)", "5", "end"]);
});
it("should correct steps function with NaN number of steps", function () {
testInvalidStep("steps(NaN,)", ["steps(5, end)", "5", "end"]);
});
it("should correct steps function with non-numeric number of steps", function () {
testInvalidStep("steps(x)", ["steps(5, end)", "5", "end"]);
});
it("should correct steps function with a string-value number of steps", function () {
testInvalidStep("steps('3')", ["steps(3, end)", "3", "end"]);
});
it("should correct steps function with no parameters", function () {
testInvalidStep("steps()", ["steps(5, end)", "5", "end"]);
});
it("should correct steps function with empty second parameter", function () {
testInvalidStep("steps(1,)", ["steps(1, end)", "1", "end"]);
});
it("should correct steps function with undefined second parameter", function () {
testInvalidStep("steps(1, middle)", ["steps(1, end)", "1", "end"]);
});
it("should correct steps function with typo in second parameter", function () {
testInvalidStep("steps(1, satrt)", ["steps(1, start)", "1", "start"]);
});
it("should correct steps function with a string as second parameter", function () {
testInvalidStep("steps(1, 'start')", ["steps(1, start)", "1", "start"]);
});
it("should correct steps function with 3 parameters", function () {
testInvalidStep("steps(1, start, end)", ["steps(1, start)", "1", "start"]);
});
// Real invalid cubic-beziers - they should NOT be corrected automatically
it("should not match steps function with no parens", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps", false);
expect(match).toBeFalsy();
});
it("should not match steps function with invalid whitespace", function () {
match = TimingFunctionUtils.timingFunctionMatch("steps (1, end)", false);
expect(match).toBeFalsy();
});
it("should not match steps function with UPPER-CASE", function () {
match = TimingFunctionUtils.timingFunctionMatch("STEPS(12)", false);
expect(match).toBeFalsy();
});
it("should not match unknown timing function", function () {
match = TimingFunctionUtils.timingFunctionMatch("step", false);
expect(match).toBeFalsy();
});
});
describe("Bookmark Timing Function", function () {
beforeEach(function () {
var mock = SpecRunnerUtils.createMockEditor(testContentCSS, "css");
testDocument = mock.doc;
testEditor = mock.editor;
});
afterEach(function () {
SpecRunnerUtils.destroyMockEditor(testDocument);
testEditor = null;
testDocument = null;
inline = null;
});
/**
* Expects an inline editor to be opened at the given cursor position and to have the
* given initial timing function (which should match the timing function at that position).
* @param {!{line:number, ch:number}} cursor The cursor position to try opening the inline at.
* @param {number} start The expected start of timing function.
* @param {number} end The expected end of timing function.
*/
function testOpenTimingFunction(cursor, start, end) {
makeTimingFunctionEditor(cursor);
runs(function () {
expect(inline).toBeTruthy();
expect(inline._startBookmark.find().ch).toBe(start);
expect(inline._endBookmark.find().ch).toBe(end);
});
}
it("should bookmark cubic-bezier() function when opened in inline editor", function () {
testOpenTimingFunction({line: 3, ch: 34}, 32, 60);
});
it("should bookmark linear function when opened in inline editor", function () {
testOpenTimingFunction({line: 5, ch: 35}, 32, 38);
});
it("should bookmark second cubic-bezier() function when opened in inline editor", function () {
testOpenTimingFunction({line: 13, ch: 80}, 75, 107);
});
it("should bookmark steps() function when opened in inline editor", function () {
testOpenTimingFunction({line: 17, ch: 37}, 32, 45);
});
it("should bookmark step-start function when opened in inline editor", function () {
testOpenTimingFunction({line: 20, ch: 40}, 32, 42);
});
it("should bookmark long, invalid cubic-bezier() function when opened in inline editor", function () {
testOpenTimingFunction({line: 25, ch: 52}, 32, 74);
});
it("should bookmark empty, invalid cubic-bezier() function when opened in inline editor", function () {
testOpenTimingFunction({line: 26, ch: 47}, 32, 46);
});
it("should bookmark long, invalid steps() function when opened in inline editor", function () {
testOpenTimingFunction({line: 30, ch: 44}, 32, 50);
});
it("should bookmark empty, invalid steps() function when opened in inline editor", function () {
testOpenTimingFunction({line: 31, ch: 45}, 32, 39);
});
});
describe("TimingFunction editor UI", function () {
var timingFuncEditor;
/**
* Creates a hidden BezierCurveEditor and appends it to the body. Note that this is a
* standalone BezierCurveEditor, not inside an InlineTimingFunctionEditor.
* @param {string} initialTimingFunction The timingFunction that should be initially set
* in the BezierCurveEditor.
* @param {?function} callback An optional callback to be passed as the BezierCurveEditor's
* callback. If none is supplied, a dummy function is passed.
*/
function makeTimingFuncUI(initialTimingFunction, callback) {
var parent = $(window.document.body),
match = TimingFunctionUtils.timingFunctionMatch(initialTimingFunction, true),
cb = callback || function () { };
if (match.isBezier) {
timingFuncEditor = new BezierCurveEditor(parent, match, cb);
} else if (match.isStep) {
timingFuncEditor = new StepEditor(parent, match, cb);
}
// Hide it
timingFuncEditor.getRootElement().css("display", "none");
}
afterEach(function () {
timingFuncEditor.getRootElement().remove();
timingFuncEditor = null;
});
describe("Initial Load and External Update", function () {
it("should load the initial cubic-bezier function correctly", function () {
runs(function () {
makeTimingFuncUI("cubic-bezier(.2, .3, .4, .5)");
expect(timingFuncEditor).toBeTruthy();
expect(timingFuncEditor._cubicBezierCoords).toBeTruthy();
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".2", ".3", ".4", ".5"]);
});
});
it("should load externally updated cubic-bezier function correctly", function () {
runs(function () {
makeTimingFuncUI("cubic-bezier(.1, .3, .5, .7)");
var matchUpdate = TimingFunctionUtils.timingFunctionMatch("cubic-bezier(.2, .4, .6, .8)", true);
timingFuncEditor.handleExternalUpdate(matchUpdate);
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".2", ".4", ".6", ".8"]);
});
});
it("should load the initial steps function correctly", function () {
runs(function () {
makeTimingFuncUI("steps(5, start)");
expect(timingFuncEditor).toBeTruthy();
expect(timingFuncEditor._stepParams).toBeTruthy();
expect(timingFuncEditor._stepParams.count).toEqual(5);
expect(timingFuncEditor._stepParams.timing).toEqual("start");
});
});
it("should load externally updated steps function correctly", function () {
runs(function () {
makeTimingFuncUI("steps(5, start)");
var matchUpdate = TimingFunctionUtils.timingFunctionMatch("steps(6, end)", true);
timingFuncEditor.handleExternalUpdate(matchUpdate);
expect(timingFuncEditor._stepParams.count).toEqual(6);
expect(timingFuncEditor._stepParams.timing).toEqual("end");
});
});
});
describe("Conversions", function () {
it("should convert linear function to cubic-bezier function parameters", function () {
runs(function () {
makeTimingFuncUI("linear");
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, ["0", "0", "1", "1"]);
});
});
it("should convert ease function to cubic-bezier function parameters", function () {
runs(function () {
makeTimingFuncUI("ease");
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".25", ".1", ".25", "1"]);
});
});
it("should convert ease-in function to cubic-bezier function parameters", function () {
runs(function () {
makeTimingFuncUI("ease-in");
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".42", "0", "1", "1"]);
});
});
it("should convert ease-out function to cubic-bezier function parameters", function () {
runs(function () {
makeTimingFuncUI("ease-out");
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, ["0", "0", ".58", "1"]);
});
});
it("should convert ease-in-out function to cubic-bezier function parameters", function () {
runs(function () {
makeTimingFuncUI("ease-in-out");
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".42", "0", ".58", "1"]);
});
});
it("should convert step-start function to steps function parameters", function () {
runs(function () {
makeTimingFuncUI("step-start");
expect(timingFuncEditor).toBeTruthy();
expect(timingFuncEditor._stepParams).toBeTruthy();
expect(timingFuncEditor._stepParams.count).toEqual(1);
expect(timingFuncEditor._stepParams.timing).toEqual("start");
});
});
it("should convert step-end function to steps function parameters", function () {
runs(function () {
makeTimingFuncUI("step-end");
expect(timingFuncEditor._stepParams.count).toEqual(1);
expect(timingFuncEditor._stepParams.timing).toEqual("end");
});
});
});
describe("Editing with Mouse", function () {
/**
* Translate from a bezier-curve point (1.0 x 1.0 grid)
* to a canvas element point (150px x 150px grid).
* @param {Array} bezierPoint The bezier point [x, y].
* @return {Array} canvas element point in [x, y]
*/
function translatePointFromBezierToCanvas(bezierPoint) {
return [
Math.round(bezierPoint[0] * 150),
Math.round(((1 - bezierPoint[1]) * 150) + 75)
];
}
/**
* Simulate the given event with clientX/clientY specified by the given
* offsets by the left/top of the item.
* @param {string} event The name of the event to simulate.
* @param {object} $item A jQuery object to trigger the event on.
* @param {Array.<number>} offsets Numbers the x and y positions of the
* event relative to the item's top and left.
*/
function eventAtOffset(event, $item, offsets) {
$item.trigger($.Event(event, {
pageX: $item.offset().left + offsets[0],
pageY: $item.offset().top + offsets[1],
which: 1
}));
}
/**
* Test a mouse down event on the given UI element in a cubic-bezier function.
* @param {object} opts The parameters to test:
* item: The (string) name of the member of BezierCurveEditor that
* references the element to test.
* clickAt: An [x, y] array specifying the simulated x/y mouse position as
* an offset of the item's width/height.
* expected: The expected array of values for _cubicBezierCoords.
*/
function testCubicBezierClick(opts) {
makeTimingFuncUI("cubic-bezier(.42, 0, .58 ,1)");
var $item = $(timingFuncEditor[opts.item]);
eventAtOffset("click", $item, opts.clickAt);
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, opts.expected);
}
/**
* Test a drag event on the given UI element.
* @param {object} opts The parameters to test:
* downItem: The (string) name of the member of BezierCurveEditor
* that references the element to mousedown on to drag.
* clickAt: An [x, y] array specifying the simulated x/y mouse position as an offset of the
* item's width/height.
* dragItem: The (string) name of the member of BezierCurveEditor
* that references the element to drag item to.
* dragTo: An [x, y] array specifying the location to drag to, using the same convention as clickAt.
* expected: The expected array of values for _cubicBezierCoords.
*/
function testCubicBezierDrag(opts) {
makeTimingFuncUI("cubic-bezier(.42, 0, .58 ,1)");
var $downItem = $(timingFuncEditor[opts.downItem]),
$dragItem = $(timingFuncEditor[opts.dragItem]);
eventAtOffset("mousedown", $downItem, opts.clickAt);
eventAtOffset("mousemove", $dragItem, opts.dragTo);
$downItem.trigger("mouseup");
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, opts.expected);
}
it("should move point P1 on mousedown in curve", function () {
testCubicBezierClick({
item: "curve",
clickAt: translatePointFromBezierToCanvas([0.5, 0.1]),
expected: [".5", ".1", ".58", "1"]
});
});
it("should move point P2 on mousedown in curve", function () {
testCubicBezierClick({
item: "curve",
clickAt: translatePointFromBezierToCanvas([0.6, 1.2]),
expected: [".42", "0", ".6", "1.2"]
});
});
it("should move point P1 on drag", function () {
testCubicBezierDrag({
downItem: "P1", // mouse down on this element
clickAt: [5, 5],
dragItem: "curve", // drag over this element
dragTo: translatePointFromBezierToCanvas([0.6, -0.1]),
expected: [".6", "-0.1", ".58", "1"]
});
});
it("should move point P2 on drag", function () {
testCubicBezierDrag({
downItem: "P2", // mouse down on this element
clickAt: [5, 5],
dragItem: "curve", // drag over this element
dragTo: translatePointFromBezierToCanvas([0.8, 0.9]),
expected: [".42", "0", ".8", ".9"]
});
});
it("should not move point P2 x-value out-of-range on drag", function () {
testCubicBezierDrag({
downItem: "P2", // mouse down on this element
clickAt: [5, 5],
dragItem: "curve", // drag over this element
dragTo: translatePointFromBezierToCanvas([1.1, 1]),
expected: [".42", "0", "1", "1"]
});
});
});
describe("Editing with Keyboard", function () {
function makeKeyEvent(opts) {
return $.Event("keydown", { keyCode: opts.key, shiftKey: !!opts.shift });
}
/**
* Create a timing function editor and trigger a key event on it.
* @param {object} opts The parameters to test:
* func: The initial timing function
* item: The (string) name of the member of BezierCurveEditor
* that references the element to test.
* key: The KeyEvent key code to simulate.
* shift: Optional boolean specifying whether to simulate the shift
* key being down (default false).
* expected: The expected array of values for _cubicBezierCoords.
*/
function triggerTimingFunctionEditorKey(opts) {
makeTimingFuncUI(opts.func, opts.callback);
var $item = $(timingFuncEditor[opts.item]);
$item.focus();
$item.trigger(makeKeyEvent(opts));
}
// cubic-bezier() tests
it("should increase P1 x-value by .02 on right arrow in cubic-bezier()", function () {
triggerTimingFunctionEditorKey({
func: "cubic-bezier(.42, 0, .58, 1)",
item: "P1",
key: KeyEvent.DOM_VK_RIGHT,
shift: false
});
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".44", "0", ".58", "1"]);
});
it("should increase P1 y-value by .1 on shift up arrow in cubic-bezier()", function () {
triggerTimingFunctionEditorKey({
func: "cubic-bezier(.42, 0, .58, 1)",
item: "P1",
key: KeyEvent.DOM_VK_UP,
shift: true
});
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".42", ".1", ".58", "1"]);
});
it("should decrease P2 x-value by .02 on left arrow in cubic-bezier()", function () {
triggerTimingFunctionEditorKey({
func: "cubic-bezier(.42, 0, .58, 1)",
item: "P2",
key: KeyEvent.DOM_VK_LEFT,
shift: false
});
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".42", "0", ".56", "1"]);
});
it("should decrease P2 y-value by .1 on shift down arrow in cubic-bezier()", function () {
triggerTimingFunctionEditorKey({
func: "cubic-bezier(.42, 0, .58 ,1)",
item: "P2",
key: KeyEvent.DOM_VK_DOWN,
shift: true
});
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".42", "0", ".58", ".9"]);
});
it("should not decrease P1 x-value below 0 on left arrow in cubic-bezier()", function () {
triggerTimingFunctionEditorKey({
func: "cubic-bezier(0, 0, 1, 1)",
item: "P1",
key: KeyEvent.DOM_VK_LEFT,
shift: false
});
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, ["0", "0", "1", "1"]);
});
it("should not increase P2 x-value above 0 on shift right arrow in cubic-bezier()", function () {
triggerTimingFunctionEditorKey({
func: "cubic-bezier(0, 0, 1, 1)",
item: "P2",
key: KeyEvent.DOM_VK_RIGHT,
shift: true
});
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, ["0", "0", "1", "1"]);
});
it("should call callback function after cubic-bezier edit in cubic-bezier()", function () {
var calledBack = false;
var _callback = function (timingFunctionString) {
calledBack = true;
expect(timingFunctionString).toBe("cubic-bezier(.42, .1, .58, 1)");
};
runs(function () {
triggerTimingFunctionEditorKey({
func: "cubic-bezier(.42, 0, .58 ,1)",
item: "P1",
key: KeyEvent.DOM_VK_UP,
shift: true,
callback: _callback
});
expectArraysToBeEqual(timingFuncEditor._cubicBezierCoords, [".42", ".1", ".58", "1"]);
});
runs(function () {
expect(calledBack).toBeTruthy();
});
});
// steps() tests
it("should increase count by 1 on up arrow in steps()", function () {
triggerTimingFunctionEditorKey({
func: "steps(5)",
item: "canvas",
key: KeyEvent.DOM_VK_UP
});
expect(timingFuncEditor._stepParams.count).toEqual(6);
});
it("should decrease count by 1 on down arrow in steps()", function () {
triggerTimingFunctionEditorKey({
func: "steps(5)",
item: "canvas",
key: KeyEvent.DOM_VK_DOWN
});
expect(timingFuncEditor._stepParams.count).toEqual(4);
});
it("should change start to end on right arrow in steps()", function () {
triggerTimingFunctionEditorKey({
func: "steps(5, start)",
item: "canvas",
key: KeyEvent.DOM_VK_RIGHT
});
expect(timingFuncEditor._stepParams.timing).toEqual("end");
});
it("should change end to start on left arrow in steps()", function () {
triggerTimingFunctionEditorKey({
func: "steps(5, end)",
item: "canvas",
key: KeyEvent.DOM_VK_LEFT
});
expect(timingFuncEditor._stepParams.timing).toEqual("start");
});
it("should not decrease count to be less than 1 on down arrow in steps()", function () {
triggerTimingFunctionEditorKey({
func: "steps(1)",
item: "canvas",
key: KeyEvent.DOM_VK_DOWN
});
expect(timingFuncEditor._stepParams.count).toEqual(1);
});
it("should not change start to end on left arrow in steps()", function () {
triggerTimingFunctionEditorKey({
func: "steps(5, start)",
item: "canvas",
key: KeyEvent.DOM_VK_LEFT
});
expect(timingFuncEditor._stepParams.timing).toEqual("start");
});
it("should not change end to start on right arrow in steps()", function () {
triggerTimingFunctionEditorKey({
func: "steps(5, end)",
item: "canvas",
key: KeyEvent.DOM_VK_RIGHT
});
expect(timingFuncEditor._stepParams.timing).toEqual("end");
});
it("should call callback function after steps function edit", function () {
var calledBack = false;
var _callback = function (timingFunctionString) {
calledBack = true;
expect(timingFunctionString).toBe("steps(5, start)");
};
runs(function () {
triggerTimingFunctionEditorKey({
func: "steps(4, start)",
item: "canvas",
key: KeyEvent.DOM_VK_UP,
callback: _callback
});
expect(timingFuncEditor._stepParams.count).toEqual(5);
});
runs(function () {
expect(calledBack).toBeTruthy();
});
});
});
});
});
});