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Contents?: true
Size: 1.87 KB
Versions: 4
Compression:
Stored size: 1.87 KB
Contents
var assert = require("../assert"),
_ = require("../../");
module.exports = {
topic: function(d3) {
var callback = this.callback,
dd = [],
ii = [],
tt = [],
vv = [];
var s = d3.select("body").html("").append("div").selectAll("div")
.data(["red", "green"])
.enter().append("div")
.attr("color", function(d, i) { return i ? "#008000" : "#ff0000"; });
var t = s.transition()
.attrTween("color", tween);
function tween(d, i, v) {
dd.push(d);
ii.push(i);
vv.push(v);
if (tt.push(this) >= 2) callback(null, {
selection: s,
transition: t,
data: dd,
index: ii,
value: vv,
context: tt
});
return i && _.interpolateHsl(v, "blue");
}
},
"defines the corresponding attr tween": function(result) {
assert.typeOf(result.transition.tween("attr.color"), "function");
},
"invokes the tween function": function(result) {
assert.deepEqual(result.data, ["red", "green"], "expected data, got {actual}");
assert.deepEqual(result.index, [0, 1], "expected data, got {actual}");
assert.deepEqual(result.value, ["#ff0000", "#008000"], "expected value, got {actual}");
assert.domEqual(result.context[0], result.selection[0][0], "expected this, got {actual}");
assert.domEqual(result.context[1], result.selection[0][1], "expected this, got {actual}");
},
"end": {
topic: function(result) {
var callback = this.callback;
result.transition.each("end", function(d, i) { if (i >= 1) callback(null, result); });
},
"uses the returned interpolator": function(result) {
assert.equal(result.selection[0][1].getAttribute("color"), "#0000ff");
},
"does nothing if the interpolator is falsey": function(result) {
assert.equal(result.selection[0][0].getAttribute("color"), "#ff0000");
}
}
};
Version data entries
4 entries across 4 versions & 2 rubygems