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