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
|
class ScatterplotTest < Test::Unit::TestCase
include Helper::Fixture
include Helper::WithTerm
def setup
@x = [-1, 1, 3, 3, -1]
@y = [2, 0, -5, 2, -5]
end
test("errors") do
assert_raise(ArgumentError) do
UnicodePlot.scatterplot()
end
assert_raise(ArgumentError) do
UnicodePlot.scatterplot([1, 2], [1, 2, 3])
end
assert_raise(ArgumentError) do
UnicodePlot.scatterplot([1, 2, 3], [1, 2])
end
assert_raise(ArgumentError) do
UnicodePlot.scatterplot(1..3, 1..2)
end
end
sub_test_case("with invalid arguments") do
test("unknown border type") do
assert_raise(ArgumentError.new("unknown border type: invalid_border_name")) do
UnicodePlot.scatterplot(@x, @y, border: :invalid_border_name)
end
end
end
test("default") do
plot = UnicodePlot.scatterplot(@x, @y)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/default.txt").read,
output)
end
test("y only") do
plot = UnicodePlot.scatterplot(@y)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/y_only.txt").read,
output)
end
test("one range") do
plot = UnicodePlot.scatterplot(6..10)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/range1.txt").read,
output)
end
test("two ranges") do
plot = UnicodePlot.scatterplot(11..15, 6..10)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/range2.txt").read,
output)
end
test("scale1") do
x = @x.map {|a| a * 1e3 + 15 }
y = @y.map {|a| a * 1e-3 - 15 }
plot = UnicodePlot.scatterplot(x, y)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/scale1.txt").read,
output)
end
test("scale2") do
x = @x.map {|a| a * 1e-3 + 15 }
y = @y.map {|a| a * 1e3 - 15 }
plot = UnicodePlot.scatterplot(x, y)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/scale2.txt").read,
output)
end
test("scale3") do
miny = -1.2796649117521434e218
maxy = -miny
plot = UnicodePlot.scatterplot([1], [miny], xlim: [1, 1], ylim: [miny, maxy])
_, output = with_term { plot.render($stdout, newline: false) }
expected = fixture_path("scatterplot/scale3.txt").read
assert_equal(expected, output)
end
test("limits") do
plot = UnicodePlot.scatterplot(@x, @y, xlim: [-1.5, 3.5], ylim: [-5.5, 2.5])
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/limits.txt").read,
output)
end
test("nogrid") do
plot = UnicodePlot.scatterplot(@x, @y, grid: false)
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/nogrid.txt").read,
output)
end
test("blue") do
plot = UnicodePlot.scatterplot(@x, @y, color: :blue, name: "points1")
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/blue.txt").read,
output)
end
test("parameters") do
plot = UnicodePlot.scatterplot(@x, @y,
name: "points1",
title: "Scatter",
xlabel: "x",
ylabel: "y")
_, output = with_term { plot.render($stdout, newline: false) }
expected = fixture_path("scatterplot/parameters1.txt").read
assert_equal(expected, output)
assert_same(plot,
UnicodePlot.scatterplot!(plot,
[0.5, 1, 1.5],
name: "points2"))
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/parameters2.txt").read,
output)
assert_same(plot,
UnicodePlot.scatterplot!(plot,
[-0.5, 0.5, 1.5],
[0.5, 1, 1.5],
name: "points3"))
_, output = with_term { plot.render($stdout, newline: false) }
assert_equal(fixture_path("scatterplot/parameters3.txt").read,
output)
output = StringIO.open do |sio|
plot.render(sio, newline: false)
sio.close
sio.string
end
assert_equal(fixture_path("scatterplot/nocolor.txt").read,
output)
end
test("canvas size") do
plot = UnicodePlot.scatterplot(@x, @y,
title: "Scatter",
canvas: :dot,
width: 10,
height: 5)
_, output = with_term { plot.render($stdout, newline: false) }
expected = fixture_path("scatterplot/canvassize.txt").read
assert_equal(expected, output)
end
end
|
