54 строки
1.9 KiB
JavaScript
54 строки
1.9 KiB
JavaScript
require("../env");
|
|
|
|
var assert = require("assert");
|
|
|
|
module.exports = {
|
|
topic: function() {
|
|
var s = d3.select("body").append("div")
|
|
.style("background-color", "white")
|
|
.style("color", "red")
|
|
.style("display", "none")
|
|
.style("font-size", "20px");
|
|
|
|
var t = s.transition()
|
|
.style("display", null)
|
|
.style("font-size", function() { return null; })
|
|
.style("display", null)
|
|
.style("background-color", "green")
|
|
.style("background-color", "red")
|
|
.style("color", function() { return "green"; }, "important");
|
|
|
|
return {selection: s, transition: t};
|
|
},
|
|
"defines the corresponding style tween": function(result) {
|
|
assert.typeOf(result.transition.tween("style.background-color"), "function");
|
|
assert.typeOf(result.transition.tween("style.color"), "function");
|
|
},
|
|
"on end": {
|
|
topic: function(result) {
|
|
var cb = this.callback;
|
|
result.transition.each("end", function() { cb(null, result); });
|
|
},
|
|
"the last style operator takes precedence": function(result) {
|
|
assert.equal(result.selection.style("background-color"), "#ff0000");
|
|
},
|
|
"sets a property as a string": function(result) {
|
|
assert.equal(result.selection.style("background-color"), "#ff0000");
|
|
},
|
|
"sets a property as a function": function(result) {
|
|
assert.equal(result.selection.style("color"), "#008000");
|
|
},
|
|
"observes the specified priority": function(result) {
|
|
var style = result.selection.node().style;
|
|
assert.equal(style.getPropertyPriority("background-color"), "");
|
|
assert.equal(style.getPropertyPriority("color"), "important");
|
|
},
|
|
"removes a property using a constant null": function(result) {
|
|
assert.equal(result.selection.style("display"), "");
|
|
},
|
|
"removes a property using a function null": function(result) {
|
|
assert.equal(result.selection.style("font-size"), "");
|
|
}
|
|
}
|
|
};
|