forked from d3/d3
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathselection-data-test.js
More file actions
207 lines (199 loc) · 7.51 KB
/
selection-data-test.js
File metadata and controls
207 lines (199 loc) · 7.51 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
require("../env");
var vows = require("vows"),
assert = require("assert");
var suite = vows.describe("selection.data");
suite.addBatch({
"select(body)": {
topic: function() {
return d3.select("body").html("");
},
"assigns data as an array": function(body) {
var data = new Object();
body.data([data]);
assert.strictEqual(document.body.__data__, data);
},
"assigns data as a function": function(body) {
var data = new Object();
body.data(function() { return [data]; });
assert.strictEqual(document.body.__data__, data);
},
"stores data in the DOM": function(body) {
var expected = new Object(), actual;
document.body.__data__ = expected;
body.each(function(d) { actual = d; });
assert.strictEqual(actual, expected);
},
"returns a new selection": function(body) {
assert.isFalse(body.data([1]) === body);
},
"with no arguments, returns an array of data": function(body) {
var data = new Object();
body.data([data]);
assert.deepEqual(body.data(), [data]);
assert.strictEqual(body.data()[0], data);
},
"throws an error if data is null or undefined": function(body) {
assert.throws(function() { body.data(null); }, Error);
assert.throws(function() { body.data(function() {}); }, Error);
}
}
});
suite.addBatch({
"selectAll(div)": {
topic: function() {
return d3.select("body").html("").selectAll("div").data(d3.range(2)).enter().append("div");
},
"assigns data as an array": function(div) {
var a = new Object(), b = new Object();
div.data([a, b]);
assert.strictEqual(div[0][0].__data__, a);
assert.strictEqual(div[0][1].__data__, b);
},
"assigns data as a function": function(div) {
var a = new Object(), b = new Object();
div.data(function() { return [a, b]; });
assert.strictEqual(div[0][0].__data__, a);
assert.strictEqual(div[0][1].__data__, b);
},
"stores data in the DOM": function(div) {
var a = new Object(), b = new Object(), actual = [];
div[0][0].__data__ = a;
div[0][1].__data__ = b;
div.each(function(d) { actual.push(d); });
assert.deepEqual(actual, [a, b]);
},
"returns a new selection": function(div) {
assert.isFalse(div.data([0, 1]) === div);
},
"throws an error if data is null or undefined": function(div) {
assert.throws(function() { div.data(null); }, Error);
assert.throws(function() { div.data(function() {}); }, Error);
},
"with no arguments, returns an array of data": function(div) {
var a = new Object(), b = new Object(), actual = [];
div[0][0].__data__ = a;
div[0][1].__data__ = b;
assert.deepEqual(div.data(), [a, b]);
},
"with no arguments, returned array has undefined for null nodes": function(div) {
var b = new Object(), actual = [];
div[0][0] = null;
div[0][1].__data__ = b;
var data = div.data();
assert.isUndefined(data[0]);
assert.strictEqual(data[1], b);
assert.equal(data.length, 2);
}
}
});
suite.addBatch({
"selectAll(div).selectAll(span)": {
topic: function() {
return d3.select("body").html("").selectAll("div")
.data(d3.range(2))
.enter().append("div").selectAll("span")
.data(d3.range(2))
.enter().append("span");
},
"assigns data as an array": function(span) {
var a = new Object(), b = new Object();
span.data([a, b]);
assert.strictEqual(span[0][0].__data__, a);
assert.strictEqual(span[0][1].__data__, b);
assert.strictEqual(span[1][0].__data__, a);
assert.strictEqual(span[1][1].__data__, b);
},
"assigns data as a function": function(span) {
var a = new Object(), b = new Object(), c = new Object(), d = new Object();
span.data(function(z, i) { return i ? [c, d] : [a, b]; });
assert.strictEqual(span[0][0].__data__, a);
assert.strictEqual(span[0][1].__data__, b);
assert.strictEqual(span[1][0].__data__, c);
assert.strictEqual(span[1][1].__data__, d);
},
"evaluates the function once per group": function(span) {
var count = 0;
span.data(function() { ++count; return [0, 1]; });
assert.equal(count, 2);
},
"defines an update selection for updating data": function(span) {
var update = span.data(d3.range(4));
assert.equal(update.length, 2);
assert.equal(update[0].length, 4);
assert.equal(update[1].length, 4);
assert.domEqual(update[0][0], span[0][0]);
assert.domEqual(update[0][1], span[0][1]);
assert.domNull(update[0][2]);
assert.domNull(update[0][3]);
assert.domEqual(update[1][0], span[1][0]);
assert.domEqual(update[1][1], span[1][1]);
assert.domNull(update[1][2]);
assert.domNull(update[1][3]);
},
"defines an enter selection for entering data": function(span) {
var enter = span.data(d3.range(4)).enter();
assert.isFalse(enter.empty());
assert.equal(enter.length, 2);
assert.equal(enter[0].length, 4);
assert.equal(enter[1].length, 4);
assert.domNull(enter[0][0]);
assert.domNull(enter[0][1]);
assert.deepEqual(enter[0][2], {__data__: 2});
assert.deepEqual(enter[0][3], {__data__: 3});
assert.domNull(enter[1][0]);
assert.domNull(enter[1][1]);
assert.deepEqual(enter[1][2], {__data__: 2});
assert.deepEqual(enter[1][3], {__data__: 3});
},
"defines an exit selection for exiting data": function(span) {
var exit = span.data(d3.range(1)).exit();
assert.isFalse(exit.empty());
assert.equal(exit.length, 2);
assert.equal(exit[0].length, 2);
assert.equal(exit[1].length, 2);
assert.domNull(exit[0][0]);
assert.domEqual(exit[0][1], span[0][1]);
assert.domNull(exit[1][0]);
assert.domEqual(exit[1][1], span[1][1]);
},
"observes the specified key function": function(span) {
var update = span.data([1, 2], Number);
assert.isFalse(update.empty());
assert.equal(update.length, 2);
assert.equal(update[0].length, 2);
assert.equal(update[1].length, 2);
assert.domEqual(update[0][0], span[0][1]);
assert.domNull(update[0][1]);
assert.domEqual(update[1][0], span[1][1]);
assert.domNull(update[1][1]);
var enter = update.enter();
assert.equal(enter.length, 2);
assert.equal(enter[0].length, 2);
assert.equal(enter[1].length, 2);
assert.domNull(enter[0][0]);
assert.deepEqual(enter[0][1], {__data__: 2});
assert.domNull(enter[1][0]);
assert.deepEqual(enter[1][1], {__data__: 2});
var exit = update.exit();
assert.equal(exit.length, 2);
assert.equal(exit[0].length, 2);
assert.equal(exit[1].length, 2);
assert.domEqual(exit[0][0], span[0][0]);
assert.domNull(exit[0][1]);
assert.domEqual(exit[1][0], span[1][0]);
assert.domNull(exit[1][1]);
},
"handles keys that are in the default object's prototype chain": function(span) {
// This also applies to the non-standard "watch" and "unwatch" in Mozilla Firefox.
var update = span.data(["hasOwnProperty", "isPrototypeOf", "toLocaleString", "toString", "valueOf"], String);
assert.domNull(update[0][0]);
assert.domNull(update[0][1]);
assert.domNull(update[0][2]);
assert.domNull(update[0][3]);
assert.domNull(update[0][4]);
// This throws an error if Object.hasOwnProperty isn't used.
span.data([0], function() { return "hasOwnProperty"; });
}
}
});
suite.export(module);