116 строки
4.2 KiB
JavaScript
116 строки
4.2 KiB
JavaScript
var vows = require("vows"),
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load = require("../load"),
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assert = require("../assert");
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var suite = vows.describe("selection.text");
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suite.addBatch({
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"on select(body)": {
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topic: load("selection/text").document(),
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"on an initially-empty page": {
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topic: function(d3) {
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return d3.select("body");
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},
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"sets the text content as a string": function(body) {
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body.text("Hello, world!");
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assert.equal(body.node().textContent, "Hello, world!");
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},
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"sets the text content as a number": function(body) {
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body.text(42);
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assert.equal(body.node().textContent, "42");
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},
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"sets the text content as a function": function(body) {
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body.data(["Subject"]).text(function(d, i) { return "Hello, " + d + " " + i + "!"; });
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assert.equal(body.node().textContent, "Hello, Subject 0!");
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},
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"escapes html content to text": function(body) {
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body.text("<h1>Hello, world!</h1>");
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assert.equal(body.node().textContent, "<h1>Hello, world!</h1>");
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assert.equal(body.node().firstChild.nodeType, 3);
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},
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"clears the text content as null": function(body) {
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body.text(null);
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assert.equal(body.node().textContent, "");
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},
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"clears the text content as undefined": function(body) {
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body.text(undefined);
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assert.equal(body.node().textContent, "");
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},
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"clears the text content as a function returning null": function(body) {
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body.text(function() { return null; });
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assert.equal(body.node().textContent, "");
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},
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"clears the text content as a function returning undefined": function(body) {
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body.text(function() { return undefined; });
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assert.equal(body.node().textContent, "");
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},
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"returns the current selection": function(body) {
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assert.isTrue(body.text("hello") === body);
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},
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"ignores null nodes": function(body) {
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var node = body.node();
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node.textContent = "foo";
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body[0][0] = null;
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body.text("bar");
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assert.equal(node.textContent, "foo");
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}
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}
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}
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});
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suite.addBatch({
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"on selectAll(div)": {
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topic: load("selection/text").document(),
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"on a page with a few divs": {
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topic: function(d3) {
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return d3.select("body").selectAll("div").data([0, 1]).enter().append("div");
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},
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"sets the text content as a string": function(div) {
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div.text("Hello, world!");
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assert.equal(div[0][0].textContent, "Hello, world!");
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assert.equal(div[0][1].textContent, "Hello, world!");
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},
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"sets the text content as a number": function(div) {
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div.text(42);
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assert.equal(div[0][0].textContent, "42");
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assert.equal(div[0][1].textContent, "42");
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},
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"sets the text content as a function": function(div) {
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div.data(["foo", "bar"]).text(function(d, i) { return "Hello, " + d + " " + i + "!"; });
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assert.equal(div[0][0].textContent, "Hello, foo 0!");
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assert.equal(div[0][1].textContent, "Hello, bar 1!");
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},
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"escapes html content to text": function(div) {
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div.text("<h1>Hello, world!</h1>");
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assert.equal(div[0][0].textContent, "<h1>Hello, world!</h1>");
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assert.equal(div[0][1].textContent, "<h1>Hello, world!</h1>");
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assert.equal(div[0][0].firstChild.nodeType, 3);
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assert.equal(div[0][1].firstChild.nodeType, 3);
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},
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"clears the text content as null": function(div) {
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div.text(null);
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assert.equal(div[0][0].textContent, "");
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assert.equal(div[0][1].textContent, "");
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},
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"clears the text content as a function": function(div) {
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div.text(function() { return null; });
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assert.equal(div[0][0].textContent, "");
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assert.equal(div[0][1].textContent, "");
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},
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"returns the current selection": function(div) {
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assert.isTrue(div.text("hello") === div);
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},
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"ignores null nodes": function(div) {
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var node = div[0][0];
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node.textContent = "foo";
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div[0][0] = null;
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div.text("bar");
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assert.equal(node.textContent, "foo");
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assert.equal(div[0][1].textContent, "bar");
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}
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}
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}
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});
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suite.export(module);
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