forked from chartjs/Chart.js
-
Notifications
You must be signed in to change notification settings - Fork 1
/
element.arc.tests.js
188 lines (165 loc) · 4.36 KB
/
element.arc.tests.js
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
// Test the rectangle element
describe('Arc element tests', function() {
it ('should determine if in range', function() {
// Mock out the arc as if the controller put it there
var arc = new Chart.elements.ArcElement({
startAngle: 0,
endAngle: Math.PI / 2,
x: 0,
y: 0,
innerRadius: 5,
outerRadius: 10,
options: {
spacing: 0,
offset: 0,
}
});
expect(arc.inRange(2, 2)).toBe(false);
expect(arc.inRange(7, 0)).toBe(true);
expect(arc.inRange(0, 11)).toBe(false);
expect(arc.inRange(Math.sqrt(32), Math.sqrt(32))).toBe(true);
expect(arc.inRange(-1.0 * Math.sqrt(7), Math.sqrt(7))).toBe(false);
});
it ('should include spacing for in range check', function() {
// Mock out the arc as if the controller put it there
var arc = new Chart.elements.ArcElement({
startAngle: 0,
endAngle: Math.PI / 2,
x: 0,
y: 0,
innerRadius: 5,
outerRadius: 10,
options: {
spacing: 10,
offset: 0,
}
});
expect(arc.inRange(7, 0)).toBe(false);
expect(arc.inRange(15, 0)).toBe(true);
});
it ('should determine if in range, when full circle', function() {
// Mock out the arc as if the controller put it there
var arc = new Chart.elements.ArcElement({
startAngle: -Math.PI,
endAngle: Math.PI * 1.5,
x: 0,
y: 0,
innerRadius: 0,
outerRadius: 10,
circumference: Math.PI * 2,
options: {
spacing: 0,
offset: 0,
}
});
expect(arc.inRange(7, 7)).toBe(true);
});
it ('should get the tooltip position', function() {
// Mock out the arc as if the controller put it there
var arc = new Chart.elements.ArcElement({
startAngle: 0,
endAngle: Math.PI / 2,
x: 0,
y: 0,
innerRadius: 0,
outerRadius: Math.sqrt(2),
options: {
spacing: 0,
offset: 0,
}
});
var pos = arc.tooltipPosition();
expect(pos.x).toBeCloseTo(0.5);
expect(pos.y).toBeCloseTo(0.5);
});
it ('should get the center', function() {
// Mock out the arc as if the controller put it there
var arc = new Chart.elements.ArcElement({
startAngle: 0,
endAngle: Math.PI / 2,
x: 0,
y: 0,
innerRadius: 0,
outerRadius: Math.sqrt(2),
options: {
spacing: 0,
offset: 0,
}
});
var center = arc.getCenterPoint();
expect(center.x).toBeCloseTo(0.5, 6);
expect(center.y).toBeCloseTo(0.5, 6);
});
it ('should get the center with offset and spacing', function() {
// Mock out the arc as if the controller put it there
var arc = new Chart.elements.ArcElement({
startAngle: 0,
endAngle: Math.PI / 2,
x: 0,
y: 0,
innerRadius: 0,
outerRadius: Math.sqrt(2),
options: {
spacing: 10,
offset: 10,
}
});
var center = arc.getCenterPoint();
expect(center.x).toBeCloseTo(7.57, 1);
expect(center.y).toBeCloseTo(7.57, 1);
});
it ('should get the center of full circle before and after draw', function() {
// Mock out the arc as if the controller put it there
var arc = new Chart.elements.ArcElement({
startAngle: 0,
endAngle: Math.PI * 2,
x: 2,
y: 2,
innerRadius: 0,
outerRadius: 2,
options: {
spacing: 0,
offset: 0,
}
});
var center = arc.getCenterPoint();
expect(center.x).toBeCloseTo(1, 6);
expect(center.y).toBeCloseTo(2, 6);
var ctx = window.createMockContext();
arc.draw(ctx);
center = arc.getCenterPoint();
expect(center.x).toBeCloseTo(1, 6);
expect(center.y).toBeCloseTo(2, 6);
});
it('should not draw when radius < 0', function() {
var ctx = window.createMockContext();
var arc = new Chart.elements.ArcElement({
startAngle: 0,
endAngle: Math.PI / 2,
x: 0,
y: 0,
innerRadius: -0.1,
outerRadius: Math.sqrt(2),
options: {
spacing: 0,
offset: 0,
}
});
arc.draw(ctx);
expect(ctx.getCalls().length).toBe(0);
arc = new Chart.elements.ArcElement({
startAngle: 0,
endAngle: Math.PI / 2,
x: 0,
y: 0,
innerRadius: 0,
outerRadius: -1,
options: {
spacing: 0,
offset: 0,
}
});
arc.draw(ctx);
expect(ctx.getCalls().length).toBe(0);
});
});