File: colorstring_test.go

package info (click to toggle)
golang-github-mitchellh-colorstring 0.0~git20150917.0.8631ce9-1.1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, sid
  • size: 64 kB
  • sloc: makefile: 2
file content (185 lines) | stat: -rw-r--r-- 3,640 bytes parent folder | download | duplicates (2)
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
package colorstring

import (
	"os"
	"testing"
)

func TestColor(t *testing.T) {
	cases := []struct {
		Input, Output string
	}{
		{
			Input:  "foo",
			Output: "foo",
		},

		{
			Input:  "[blue]foo",
			Output: "\033[34mfoo\033[0m",
		},

		{
			Input:  "foo[blue]foo",
			Output: "foo\033[34mfoo\033[0m",
		},

		{
			Input:  "foo[what]foo",
			Output: "foo[what]foo",
		},
		{
			Input:  "foo[_blue_]foo",
			Output: "foo\033[44mfoo\033[0m",
		},
		{
			Input:  "foo[bold]foo",
			Output: "foo\033[1mfoo\033[0m",
		},
		{
			Input:  "[blue]foo[bold]bar",
			Output: "\033[34mfoo\033[1mbar\033[0m",
		},
		{
			Input:  "[underline]foo[reset]bar",
			Output: "\033[4mfoo\033[0mbar\033[0m",
		},
	}

	for _, tc := range cases {
		actual := Color(tc.Input)
		if actual != tc.Output {
			t.Errorf(
				"Input: %#v\n\nOutput: %#v\n\nExpected: %#v",
				tc.Input,
				actual,
				tc.Output)
		}
	}
}

func TestColorPrefix(t *testing.T) {
	cases := []struct {
		Input, Output string
	}{
		{
			Input:  "foo",
			Output: "",
		},

		{
			Input:  "[blue]foo",
			Output: "[blue]",
		},

		{
			Input:  "[bold][blue]foo",
			Output: "[bold][blue]",
		},

		{
			Input:  "   [bold][blue]foo",
			Output: "[bold][blue]",
		},
	}

	for _, tc := range cases {
		actual := ColorPrefix(tc.Input)
		if actual != tc.Output {
			t.Errorf(
				"Input: %#v\n\nOutput: %#v\n\nExpected: %#v",
				tc.Input,
				actual,
				tc.Output)
		}
	}
}

func TestColorizeColor_disable(t *testing.T) {
	c := def
	c.Disable = true

	cases := []struct {
		Input, Output string
	}{
		{
			"[blue]foo",
			"foo",
		},

		{
			"[foo]bar",
			"[foo]bar",
		},
	}

	for _, tc := range cases {
		actual := c.Color(tc.Input)
		if actual != tc.Output {
			t.Errorf(
				"Input: %#v\n\nOutput: %#v\n\nExpected: %#v",
				tc.Input,
				actual,
				tc.Output)
		}
	}
}

func TestColorizeColor_noReset(t *testing.T) {
	c := def
	c.Reset = false

	input := "[blue]foo"
	output := "\033[34mfoo"
	actual := c.Color(input)
	if actual != output {
		t.Errorf(
			"Input: %#v\n\nOutput: %#v\n\nExpected: %#v",
			input,
			actual,
			output)
	}
}

func TestConvenienceWrappers(t *testing.T) {
	var length int
	printInput := "[bold]Print:\t\t[default][red]R[green]G[blue]B[cyan]C[magenta]M[yellow]Y\n"
	printlnInput := "[bold]Println:\t[default][red]R[green]G[blue]B[cyan]C[magenta]M[yellow]Y"
	printfInput := "[bold]Printf:\t\t[default][red]R[green]G[blue]B[cyan]C[magenta]M[yellow]Y\n"
	fprintInput := "[bold]Fprint:\t\t[default][red]R[green]G[blue]B[cyan]C[magenta]M[yellow]Y\n"
	fprintlnInput := "[bold]Fprintln:\t[default][red]R[green]G[blue]B[cyan]C[magenta]M[yellow]Y"
	fprintfInput := "[bold]Fprintf:\t[default][red]R[green]G[blue]B[cyan]C[magenta]M[yellow]Y\n"

	// colorstring.Print
	length, _ = Print(printInput)
	assertOutputLength(t, printInput, 58, length)

	// colorstring.Println
	length, _ = Println(printlnInput)
	assertOutputLength(t, printlnInput, 59, length)

	// colorstring.Printf
	length, _ = Printf(printfInput)
	assertOutputLength(t, printfInput, 59, length)

	// colorstring.Fprint
	length, _ = Fprint(os.Stdout, fprintInput)
	assertOutputLength(t, fprintInput, 59, length)

	// colorstring.Fprintln
	length, _ = Fprintln(os.Stdout, fprintlnInput)
	assertOutputLength(t, fprintlnInput, 60, length)

	// colorstring.Fprintf
	length, _ = Fprintf(os.Stdout, fprintfInput)
	assertOutputLength(t, fprintfInput, 59, length)
}

func assertOutputLength(t *testing.T, input string, expectedLength int, actualLength int) {
	if actualLength != expectedLength {
		t.Errorf("Input: %#v\n\n Output length: %d\n\n Expected: %d",
			input,
			actualLength,
			expectedLength)
	}
}