d3/test/core/selection-property-test.js

92 строки
3.1 KiB
JavaScript

require("../env");
require("../../d3");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("selection.property");
suite.addBatch({
"select(body)": {
topic: function() {
return d3.select("body").html("");
},
"sets a property as a string": function(body) {
body.property("bgcolor", "red");
assert.equal(document.body.bgcolor, "red");
},
"sets a property as a number": function(body) {
body.property("opacity", 1);
assert.equal(document.body.opacity, "1");
},
"sets a property as a function": function(body) {
body.property("bgcolor", function() { return "orange"; });
assert.equal(document.body.bgcolor, "orange");
},
"gets a property value": function(body) {
document.body.bgcolor = "yellow";
assert.equal(body.property("bgcolor"), "yellow");
},
"removes a property as null": function(body) {
body.property("bgcolor", "yellow").property("bgcolor", null);
assert.isFalse("bgcolor" in document.body);
},
"removes a property as a function": function(body) {
body.property("bgcolor", "yellow").property("bgcolor", function() { return null });
assert.isFalse("bgcolor" in document.body);
},
"returns the current selection": function(body) {
assert.isTrue(body.property("bgcolor", "yellow") === body);
}
}
});
suite.addBatch({
"selectAll(div)": {
topic: function() {
return d3.select("body").html("").selectAll("div").data(d3.range(2)).enter().append("div");
},
"sets a property as a string": function(div) {
div.property("bgcolor", "red");
assert.equal(div[0][0].bgcolor, "red");
assert.equal(div[0][1].bgcolor, "red");
},
"sets a property as a number": function(div) {
div.property("opacity", 0.4);
assert.equal(div[0][0].opacity, "0.4");
assert.equal(div[0][1].opacity, "0.4");
},
"sets a property as a function": function(div) {
div.property("bgcolor", d3.interpolateRgb("brown", "steelblue"));
assert.equal(div[0][0].bgcolor, "rgb(165,42,42)");
assert.equal(div[0][1].bgcolor, "rgb(70,130,180)");
},
"gets a property value": function(div) {
div[0][0].bgcolor = "purple";
assert.equal(div.property("bgcolor"), "purple");
},
"removes a property as null": function(div) {
div.property("bgcolor", "yellow").property("bgcolor", null);
assert.isFalse("bgcolor" in div[0][0]);
assert.isFalse("bgcolor" in div[0][1]);
},
"removes a property as a function": function(div) {
div.property("bgcolor", "yellow").property("bgcolor", function() { return null });
assert.isFalse("bgcolor" in div[0][0]);
assert.isFalse("bgcolor" in div[0][1]);
},
"ignores null nodes": function(div) {
var some = d3.selectAll("div");
some[0][1] = null;
some.property("bgcolor", null).property("bgcolor", "red");
assert.equal(div[0][0].bgcolor, "red");
assert.isFalse("bgcolor" in div[0][1]);
},
"returns the current selection": function(div) {
assert.isTrue(div.property("bgcolor", "yellow") === div);
}
}
});
suite.export(module);