Refactor selection tests for minimal loading.

src/selection/on.js

 import "../core/array";
 import "../core/document";
+import "../core/noop";
 import "selection";
 
 d3_selectionPrototype.on = function(type, listener, capture) {

test/selection/append-test.js

+var vows = require("vows"),
+    d3 = require("../../"),
+    load = require("../load"),
+    assert = require("../env-assert"),
+    document = d3.selection().node()._ownerDocument,
+    window = document.defaultView;
+
+var suite = vows.describe("selection.append");
+
+suite.addBatch({
+  "select(body)": {
+    topic: load("selection/selection").sandbox({
+      document: document,
+      window: window
+    }).expression("d3.select"),
+    "on a simple page": {
+      topic: function(select) {
+        return select("body").html("");
+      },
+      "appends an HTML element": function(body) {
+        var div = body.append("div");
+        assert.equal(div[0][0].tagName, "DIV");
+        assert.isNull(div[0][0].namespaceURI);
+        assert.isTrue(div[0][0].parentNode === document.body);
+        assert.isTrue(div[0][0] === document.body.lastChild);
+      },
+      "appends an SVG element": function(body) {
+        var svg = body.append("svg:svg");
+        assert.equal(svg[0][0].tagName, "SVG");
+        assert.equal(svg[0][0].namespaceURI, "http://www.w3.org/2000/svg");
+        assert.isTrue(svg[0][0].parentNode === document.body);
+        assert.isTrue(svg[0][0] === document.body.lastChild);
+      },
+      "propagates data to new element": function(body) {
+        var data = new Object(), div = body.data([data]).append("div");
+        assert.strictEqual(div[0][0].__data__, data);
+      },
+      "returns a new selection": function(body) {
+        assert.isFalse(body.append("div") === body);
+      },
+      "inherits namespace from parent node": function(body) {
+        var g = body.append("svg:svg").append("g");
+        assert.equal(g[0][0].namespaceURI, "http://www.w3.org/2000/svg");
+      }
+    }
+  }
+});
+
+suite.addBatch({
+  "selectAll(div)": {
+    topic: load("selection/selection").sandbox({
+      document: document,
+      window: window
+    }),
+    "on a simple page": {
+      topic: function(d3) {
+        return d3.select("body").html("").selectAll("div").data([0, 1]).enter().append("div");
+      },
+      "appends an HTML element": function(div) {
+        var span = div.append("span");
+        assert.equal(span[0].length, 2);
+        assert.equal(span[0][0].tagName, "SPAN");
+        assert.equal(span[0][1].tagName, "SPAN");
+        assert.isNull(span[0][0].namespaceURI);
+        assert.isNull(span[0][1].namespaceURI);
+        assert.isTrue(span[0][0].parentNode === div[0][0]);
+        assert.isTrue(span[0][1].parentNode === div[0][1]);
+        assert.isTrue(div[0][0].lastChild === span[0][0]);
+        assert.isTrue(div[0][1].lastChild === span[0][1]);
+      },
+      "appends an SVG element": function(div) {
+        var svg = div.append("svg:svg");
+        assert.equal(svg[0].length, 2);
+        assert.equal(svg[0][0].tagName, "SVG");
+        assert.equal(svg[0][1].tagName, "SVG");
+        assert.equal(svg[0][0].namespaceURI, "http://www.w3.org/2000/svg");
+        assert.equal(svg[0][1].namespaceURI, "http://www.w3.org/2000/svg");
+        assert.isTrue(svg[0][0].parentNode === div[0][0]);
+        assert.isTrue(svg[0][1].parentNode === div[0][1]);
+        assert.isTrue(div[0][0].lastChild === svg[0][0]);
+        assert.isTrue(div[0][1].lastChild === svg[0][1]);
+      },
+      "propagates data to new elements": function(div) {
+        var a = new Object(), b = new Object(), span = div.data([a, b]).append("span");
+        assert.strictEqual(span[0][0].__data__, a);
+        assert.strictEqual(span[0][1].__data__, b);
+      },
+      "returns a new selection": function(div) {
+        assert.isFalse(div.append("div") === div);
+      }
+    },
+    "ignores null nodes": function(d3) {
+      var div = d3.select("body").html("").selectAll("div").data([0, 1]).enter().append("div"),
+          some = d3.selectAll("div");
+      some[0][1] = null;
+      var span = some.append("span");
+      assert.equal(span[0].length, 2);
+      assert.equal(span[0][0].tagName, "SPAN");
+      assert.isNull(span[0][1]);
+      assert.isTrue(span[0][0].parentNode === div[0][0]);
+      assert.isTrue(div[0][0].lastChild === span[0][0]);
+      assert.isNull(div[0][1].lastChild);
+    }
+  }
+});
+
+suite.addBatch({
+  "selectAll(div).data(…).enter()": {
+    topic: load("selection/selection").sandbox({
+      document: document,
+      window: window
+    }).expression("d3.select"),
+    "on a simple page": {
+      topic: function(select) {
+        return select("body");
+      },
+      "appends to the parent node": function(body) {
+        var div = body.html("").selectAll("div").data(d3.range(2)).enter().append("div");
+        assert.equal(div.length, 1);
+        assert.equal(div[0].length, 2);
+        assert.domEqual(div[0][0].parentNode, document.body);
+        assert.domEqual(div[0][1].parentNode, document.body);
+      },
+      "propagates data to new elements": function(body) {
+        var a = new Object(), b = new Object(), div = body.html("").selectAll("div").data([a, b]).enter().append("div");
+        assert.strictEqual(div[0][0].__data__, a);
+        assert.strictEqual(div[0][1].__data__, b);
+      },
+      "ignores null nodes": function(body) {
+        body.html("").append("div");
+        var div = body.selectAll("div").data(d3.range(3)).enter().append("div");
+        assert.equal(div.length, 1);
+        assert.equal(div[0].length, 3);
+        assert.domNull(div[0][0]);
+        assert.domEqual(div[0][1].parentNode, document.body);
+        assert.domEqual(div[0][2].parentNode, document.body);
+      }
+    }
+  }
+});
+
+suite.export(module);

test/selection/attr-test.js

+var vows = require("vows"),
+    d3 = require("../../"),
+    load = require("../load"),
+    assert = require("../env-assert"),
+    document = d3.selection().node()._ownerDocument,
+    window = document.defaultView;
+
+var suite = vows.describe("selection.attr");
+
+suite.addBatch({
+  "select(body)": {
+    topic: load("selection/attr").sandbox({
+      document: document,
+      window: window
+    }),
+    "on a simple page": {
+      topic: function(d3) {
+        return d3.select("body");
+      },
+      "sets an attribute as a string": function(body) {
+        body.attr("bgcolor", "red");
+        assert.equal(document.body.getAttribute("bgcolor"), "red");
+      },
+      "sets an attribute as a number": function(body) {
+        body.attr("opacity", 1);
+        assert.equal(document.body.getAttribute("opacity"), "1");
+      },
+      "sets an attribute as a function": function(body) {
+        body.attr("bgcolor", function() { return "orange"; });
+        assert.equal(document.body.getAttribute("bgcolor"), "orange");
+      },
+      "sets an attribute as a function of data": function(body) {
+        body.data(["cyan"]).attr("bgcolor", String);
+        assert.equal(document.body.getAttribute("bgcolor"), "cyan");
+      },
+      "sets an attribute as a function of index": function(body) {
+        body.attr("bgcolor", function(d, i) { return "orange-" + i; });
+        assert.equal(document.body.getAttribute("bgcolor"), "orange-0");
+      },
+      "sets a namespaced attribute as a string": function(body) {
+        body.attr("xlink:href", "url");
+        assert.equal(document.body.getAttributeNS("http://www.w3.org/1999/xlink", "href"), "url");
+      },
+      "sets a namespaced attribute as a function": function(body) {
+        body.data(["orange"]).attr("xlink:href", function(d, i) { return d + "-" + i; });
+        assert.equal(document.body.getAttributeNS("http://www.w3.org/1999/xlink", "href"), "orange-0");
+      },
+      "sets attributes as a map of constants": function(body) {
+        body.attr({bgcolor: "white", "xlink:href": "url.png"});
+        assert.equal(document.body.getAttribute("bgcolor"), "white");
+        assert.equal(document.body.getAttributeNS("http://www.w3.org/1999/xlink", "href"), "url.png");
+      },
+      "sets attributes as a map of functions": function(body) {
+        body.data(["orange"]).attr({"xlink:href": function(d, i) { return d + "-" + i + ".png"; }});
+        assert.equal(document.body.getAttributeNS("http://www.w3.org/1999/xlink", "href"), "orange-0.png");
+      },
+      "gets an attribute value": function(body) {
+        document.body.setAttribute("bgcolor", "yellow");
+        assert.equal(body.attr("bgcolor"), "yellow");
+      },
+      "gets a namespaced attribute value": function(body) {
+        document.body.setAttributeNS("http://www.w3.org/1999/xlink", "foo", "bar");
+        assert.equal(body.attr("xlink:foo"), "bar");
+      },
+      "removes an attribute as null": function(body) {
+        body.attr("bgcolor", "red").attr("bgcolor", null);
+        assert.isNull(body.attr("bgcolor"));
+      },
+      "removes an attribute as a function": function(body) {
+        body.attr("bgcolor", "red").attr("bgcolor", function() { return null; });
+        assert.isNull(body.attr("bgcolor"));
+      },
+      "removes a namespaced attribute as null": function(body) {
+        body.attr("xlink:href", "url").attr("xlink:href", null);
+        assert.isNull(body.attr("bgcolor"));
+      },
+      "removes a namespaced attribute as a function": function(body) {
+        body.attr("xlink:href", "url").attr("xlink:href", function() { return null; });
+        assert.isNull(body.attr("xlink:href"));
+      },
+      "removes attributes as a map of null": function(body) {
+        document.body.setAttribute("bgcolor", "white");
+        document.body.setAttributeNS("http://www.w3.org/1999/xlink", "href", "foo.png");
+        body.attr({bgcolor: null, "xlink:href": null});
+        assert.isNull(document.body.getAttribute("bgcolor"));
+        assert.isNull(document.body.getAttributeNS("http://www.w3.org/1999/xlink", "href"));
+      },
+      "removes attributes as a map of functions that return null": function(body) {
+        document.body.setAttribute("bgcolor", "white");
+        document.body.setAttributeNS("http://www.w3.org/1999/xlink", "href", "foo.png");
+        body.attr({bgcolor: function() {}, "xlink:href": function() {}});
+        assert.isNull(document.body.getAttribute("bgcolor"));
+        assert.isNull(document.body.getAttributeNS("http://www.w3.org/1999/xlink", "href"));
+      },
+      "returns the current selection": function(body) {
+        assert.isTrue(body.attr("foo", "bar") === body);
+      }
+    }
+  }
+});
+
+suite.addBatch({
+  "selectAll(div)": {
+    topic: load("selection/attr").sandbox({
+      document: document,
+      window: window
+    }),
+    "on a simple page": {
+      topic: function(d3) {
+        return d3.select("body").html("").selectAll("div").data([0, 1]).enter().append("div");
+      },
+      "sets an attribute as a string": function(div) {
+        div.attr("bgcolor", "red");
+        assert.equal(div[0][0].getAttribute("bgcolor"), "red");
+        assert.equal(div[0][1].getAttribute("bgcolor"), "red");
+      },
+      "sets an attribute as a number": function(div) {
+        div.attr("opacity", 0.4);
+        assert.equal(div[0][0].getAttribute("opacity"), "0.4");
+        assert.equal(div[0][1].getAttribute("opacity"), "0.4");
+      },
+      "sets an attribute as a function": function(div) {
+        div.attr("bgcolor", function() { return "coral"; });
+        assert.equal(div[0][0].getAttribute("bgcolor"), "coral");
+        assert.equal(div[0][1].getAttribute("bgcolor"), "coral");
+      },
+      "sets an attribute as a function of data": function(div) {
+        div.attr("bgcolor", d3.interpolateRgb("brown", "steelblue"));
+        assert.equal(div[0][0].getAttribute("bgcolor"), "#a52a2a");
+        assert.equal(div[0][1].getAttribute("bgcolor"), "#4682b4");
+      },
+      "sets an attribute as a function of index": function(div) {
+        div.attr("bgcolor", function(d, i) { return "color-" + i; });
+        assert.equal(div[0][0].getAttribute("bgcolor"), "color-0");
+        assert.equal(div[0][1].getAttribute("bgcolor"), "color-1");
+      },
+      "sets a namespaced attribute as a string": function(div) {
+        div.attr("xlink:href", "url");
+        assert.equal(div[0][0].getAttributeNS("http://www.w3.org/1999/xlink", "href"), "url");
+        assert.equal(div[0][1].getAttributeNS("http://www.w3.org/1999/xlink", "href"), "url");
+      },
+      "sets a namespaced attribute as a function": function(div) {
+        div.data(["red", "blue"]).attr("xlink:href", function(d, i) { return d + "-" + i; });
+        assert.equal(div[0][0].getAttributeNS("http://www.w3.org/1999/xlink", "href"), "red-0");
+        assert.equal(div[0][1].getAttributeNS("http://www.w3.org/1999/xlink", "href"), "blue-1");
+      },
+      "gets an attribute value": function(div) {
+        div[0][0].setAttribute("bgcolor", "purple");
+        assert.equal(div.attr("bgcolor"), "purple");
+      },
+      "gets a namespaced attribute value": function(div) {
+        div[0][0].setAttributeNS("http://www.w3.org/1999/xlink", "foo", "bar");
+        assert.equal(div.attr("xlink:foo"), "bar");
+      },
+      "removes an attribute as null": function(div) {
+        div.attr("href", "url").attr("href", null);
+        assert.isNull(div[0][0].getAttribute("href"));
+        assert.isNull(div[0][1].getAttribute("href"));
+      },
+      "removes an attribute as a function": function(div) {
+        div.attr("href", "url").attr("href", function() { return null; });
+        assert.isNull(div[0][0].getAttribute("href"));
+        assert.isNull(div[0][1].getAttribute("href"));
+      },
+      "removes a namespaced attribute as null": function(div) {
+        div.attr("xlink:foo", "bar").attr("xlink:foo", null);
+        assert.isNull(div[0][0].getAttributeNS("http://www.w3.org/1999/xlink", "foo"));
+        assert.isNull(div[0][1].getAttributeNS("http://www.w3.org/1999/xlink", "foo"));
+      },
+      "removes a namespaced attribute as a function": function(div) {
+        div.attr("xlink:foo", "bar").attr("xlink:foo", function() { return null; });
+        assert.isNull(div[0][0].getAttributeNS("http://www.w3.org/1999/xlink", "foo"));
+        assert.isNull(div[0][1].getAttributeNS("http://www.w3.org/1999/xlink", "foo"));
+      },
+      "returns the current selection": function(div) {
+        assert.isTrue(div.attr("foo", "bar") === div);
+      }
+    },
+    "ignores null nodes": function(d3) {
+      var div = d3.select("body").html("").selectAll("div").data([0, 1]).enter().append("div"),
+          some = d3.selectAll("div");
+      some[0][1] = null;
+      some.attr("href", null).attr("href", "url");
+      assert.equal(div[0][0].getAttribute("href"), "url");
+      assert.isNull(div[0][1].getAttribute("href"));
+    }
+  }
+});
+
+suite.export(module);

test/selection/call-test.js

+var vows = require("vows"),
+    d3 = require("../../"),
+    load = require("../load"),
+    assert = require("../env-assert"),
+    document = d3.selection().node()._ownerDocument,
+    window = document.defaultView;
+
+var suite = vows.describe("selection.call");
+
+suite.addBatch({
+  "select(body)": {
+    topic: load("selection/call").sandbox({
+      document: document,
+      window: window
+    }),
+    "on a simple page": {
+      topic: function(d3) {
+        return d3.select("body").html("");
+      },
+      "calls the function once": function(body) {
+        var count = 0;
+        body.call(function() { ++count; });
+        assert.equal(count, 1);
+      },
+      "passes any optional arguments": function(body) {
+        var abc;
+        body.call(function(selection, a, b, c) { abc = [a, b, c]; }, "a", "b", "c");
+        assert.deepEqual(abc, ["a", "b", "c"]);
+      },
+      "passes the selection as the first argument": function(body) {
+        var s;
+        body.call(function(selection) { s = selection; });
+        assert.isTrue(s === body);
+      },
+      "uses the selection as the context": function(body) {
+        var s;
+        body.call(function() { s = this; });
+        assert.isTrue(s === body);
+      },
+      "returns the current selection": function(body) {
+        assert.isTrue(body.call(function() {}) === body);
+      }
+    }
+  }
+});
+
+suite.addBatch({
+  "selectAll(div)": {
+    topic: load("selection/call").sandbox({
+      document: document,
+      window: window
+    }).expression("d3.select"),
+    "on a simple page": {
+      topic: function(select) {
+        return select("body").html("").selectAll("div").data(d3.range(2)).enter().append("div");
+      },
+      "calls the function once": function(div) {
+        var count = 0;
+        div.call(function() { ++count; });
+        assert.equal(count, 1);
+      },
+      "passes any optional arguments": function(div) {
+        var abc;
+        div.call(function(selection, a, b, c) { abc = [a, b, c]; }, "a", "b", "c");
+        assert.deepEqual(abc, ["a", "b", "c"]);
+      },
+      "passes the selection as the first argument": function(div) {
+        var s;
+        div.call(function(selection) { s = selection; });
+        assert.isTrue(s === div);
+      },
+      "uses the selection as the context": function(div) {
+        var s;
+        div.call(function() { s = this; });
+        assert.isTrue(s === div);
+      },
+      "returns the current selection": function(div) {
+        assert.isTrue(div.call(function() {}) === div);
+      }
+    }
+  }
+});
+
+suite.export(module);

test/selection/classed-test.js

+var vows = require("vows"),
+    d3 = require("../../"),
+    load = require("../load"),
+    assert = require("../env-assert"),
+    document = d3.selection().node()._ownerDocument,
+    window = document.defaultView;
+
+var suite = vows.describe("selection.classed");
+
+suite.addBatch({
+  "select(body)": {
+    topic: load("selection/classed").sandbox({
+      document: document,
+      window: window
+    }),
+    "on a simple page": {
+      topic: function(d3) {
+        return d3.select("body").html("");
+      },
+      "adds a missing class as true": function(body) {
+        body.attr("class", null);
+        body.classed("foo", true);
+        assert.equal(document.body.className, "foo");
+        body.classed("bar", true);
+        assert.equal(document.body.className, "foo bar");
+      },
+      "removes an existing class as false": function(body) {
+        body.attr("class", "bar foo");
+        body.classed("foo", false);
+        assert.equal(document.body.className, "bar");
+        body.classed("bar", false);
+        assert.equal(document.body.className, "");
+      },
+      "preserves an existing class as true": function(body) {
+        body.attr("class", "bar foo");
+        body.classed("foo", true);
+        assert.equal(document.body.className, "bar foo");
+        body.classed("bar", true);
+        assert.equal(document.body.className, "bar foo");
+      },
+      "preserves a missing class as false": function(body) {
+        body.attr("class", "baz");
+        body.classed("foo", false);
+        assert.equal(document.body.className, "baz");
+        body.attr("class", null);
+        body.classed("bar", false);
+        assert.equal(document.body.className, "");
+      },
+      "gets an existing class": function(body) {
+        body.attr("class", " foo\tbar  baz");
+        assert.isTrue(body.classed("foo"));
+        assert.isTrue(body.classed("bar"));
+        assert.isTrue(body.classed("baz"));
+      },
+      "does not get a missing class": function(body) {
+        body.attr("class", " foo\tbar  baz");
+        assert.isFalse(body.classed("foob"));
+        assert.isFalse(body.classed("bare"));
+        assert.isFalse(body.classed("rbaz"));
+      },
+      "accepts a name with whitespace, collapsing it": function(body) {
+        body.attr("class", null);
+        body.classed(" foo\t", true);
+        assert.equal(document.body.className, "foo");
+        body.classed("\tfoo  ", false);
+        assert.equal(document.body.className, "");
+      },
+      "accepts a name with multiple classes separated by whitespace": function(body) {
+        body.attr("class", null);
+        body.classed("foo bar", true);
+        assert.equal(document.body.className, "foo bar");
+        assert.isTrue(body.classed("foo bar"));
+        assert.isTrue(body.classed("bar foo"));
+        assert.isFalse(body.classed("foo bar baz"));
+        assert.isFalse(body.classed("foob bar"));
+        body.classed("bar foo", false);
+        assert.equal(document.body.className, "");
+      },
+      "accepts a silly class name with unsafe characters": function(body) {
+        body.attr("class", null);
+        body.classed("foo.bar", true);
+        assert.equal(document.body.className, "foo.bar");
+        assert.isTrue(body.classed("foo.bar"));
+        assert.isFalse(body.classed("foo"));
+        assert.isFalse(body.classed("bar"));
+        body.classed("bar.foo", false);
+        assert.equal(document.body.className, "foo.bar");
+        body.classed("foo.bar", false);
+        assert.equal(document.body.className, "");
+      },
+      "accepts a name with duplicate classes, ignoring them": function(body) {
+        body.attr("class", null);
+        body.classed(" foo\tfoo  ", true);
+        assert.equal(document.body.className, "foo");
+        body.classed("\tfoo  foo ", false);
+        assert.equal(document.body.className, "");
+      },
+      "accepts a value function returning true or false": function(body) {
+        body.attr("class", null);
+        body.classed("foo", function() { return true; });
+        assert.equal(document.body.className, "foo");
+        body.classed("foo bar", function() { return true; });
+        assert.equal(document.body.className, "foo bar");
+        body.classed("foo", function() { return false; });
+        assert.equal(document.body.className, "bar");
+      },
+      "accepts a name object containing true or false": function(body) {
+        body.attr("class", null);
+        body.classed({foo: true});
+        assert.equal(document.body.className, "foo");
+        body.classed({bar: true, foo: false});
+        assert.equal(document.body.className, "bar");
+      },
+      "accepts a name object containing a function returning true or false": function(body) {
+        body.attr("class", null);
+        body.classed({foo: function() { return true; }});
+        assert.equal(document.body.className, "foo");
+      },
+      "accepts a name object containing a mix of functions and non-functions": function(body) {
+        body.attr("class", "foo");
+        body.classed({foo: false, bar: function() { return true; }});
+        assert.equal(document.body.className, "bar");
+      },
+      "the value may be truthy or falsey": function(body) {
+        body.attr("class", "foo");
+        body.classed({foo: null, bar: function() { return 1; }});
+        assert.equal(document.body.className, "bar");
+      },
+      "keys in the name object may contain whitespace": function(body) {
+        body.attr("class", null);
+        body.classed({" foo\t": function() { return true; }});
+        assert.equal(document.body.className, "foo");
+        body.attr("class", null);
+      },
+      "keys in the name object may reference multiple classes": function(body) {