/
color_rgb_test.go
296 lines (235 loc) · 7.78 KB
/
color_rgb_test.go
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package color
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
/*************************************************************
* test rgb color
*************************************************************/
func TestRGBColor(t *testing.T) {
buf := forceOpenColorRender()
defer resetColorRender()
is := assert.New(t)
// empty
c := RGBColor{3: 99}
is.True(c.IsEmpty())
is.Equal("", c.String())
// bg
c = RGB(204, 204, 204, true)
is.False(c.IsEmpty())
is.Equal("48;2;204;204;204", c.FullCode())
is.Equal("48;2;204;204;204", c.String())
is.Equal("38;2;204;204;204", c.ToFg().FullCode())
// fg
c = RGB(204, 204, 204)
is.False(c.IsEmpty())
is.Equal("38;2;204;204;204", c.FullCode())
is.Equal("38;2;204;204;204", c.String())
is.Equal("48;2;204;204;204", c.ToBg().FullCode())
// RGBColor.Sprint
str := c.Sprint("msg")
is.Equal("\x1b[38;2;204;204;204mmsg\x1b[0m", str)
// RGBColor.Sprintf
str = c.Sprintf("msg")
is.Equal("\x1b[38;2;204;204;204mmsg\x1b[0m", str)
is.Equal("cccccc", c.Hex())
is.Equal("204;204;204", c.Code())
is.Equal("38;2;204;204;204", c.FullCode())
is.Equal("[204 204 204]", fmt.Sprint(c.Values()))
// RGBColor.Print
c.Print("msg")
str = buf.String()
buf.Reset()
is.Equal("\x1b[38;2;204;204;204mmsg\x1b[0m", str)
// RGBColor.Printf
c.Printf("m%s", "sg")
str = buf.String()
buf.Reset()
is.Equal("\x1b[38;2;204;204;204mmsg\x1b[0m", str)
// RGBColor.Println
c.Println("msg")
str = buf.String()
buf.Reset()
is.Equal("\x1b[38;2;204;204;204mmsg\x1b[0m\n", str)
}
func TestRGBColor_set_reset(t *testing.T) {
_, err := Reset()
assert.NoError(t, err)
c := RGBFromHEX("6256CC")
assert.NoError(t, c.Set())
fmt.Println("a message on True color set.")
assert.NoError(t, c.Reset())
fmt.Println()
}
func TestRGBFromString(t *testing.T) {
forceOpenColorRender()
defer resetColorRender()
is := assert.New(t)
c := RGBFromString("170,187,204")
is.Equal("\x1b[38;2;170;187;204mmsg\x1b[0m", c.Sprint("msg"))
c = RGBFromString("170,187,204", true)
is.Equal("\x1b[48;2;170;187;204mmsg\x1b[0m", c.Sprint("msg"))
c = RGBFromString("brown")
is.Equal("\x1b[38;2;165;42;42mmsg\x1b[0m", c.Sprint("msg"))
c = RGBFromString("170,187,")
is.Equal("msg", c.Sprint("msg"))
c = RGBFromString("")
is.Equal("msg", c.Sprint("msg"))
c = RGBFromString("170,187,error")
is.Equal("msg", c.Sprint("msg"))
c = RGBFromString("170,-187,-34")
is.Equal("msg", c.Sprint("msg"))
}
func TestHexToRGB(t *testing.T) {
is := assert.New(t)
c := HEX("ccc") // rgb: [204 204 204]
is.False(c.IsEmpty())
is.Equal("38;2;204;204;204", c.String())
is.Equal("cccccc", c.Hex())
c = HEX("aabbcc") // rgb: [170 187 204]
is.Equal("38;2;170;187;204", c.String())
is.Equal("aabbcc", c.Hex())
c = Hex("#aabbcc") // rgb: [170 187 204]
is.Equal("38;2;170;187;204", c.String())
c = HEX("0xad99c0") // rgb: [170 187 204]
is.Equal("38;2;173;153;192", c.String())
c = HEX(" ")
is.True(c.IsEmpty())
is.Equal("", c.String())
c = HEX("!#$bbcc")
is.Equal("", c.String())
c = HEX("#invalid")
is.Equal("", c.String())
c = HEX("invalid code")
is.Equal("", c.String())
}
func TestRGBStyle(t *testing.T) {
is := assert.New(t)
ForceColor()
fg := RGB(20, 144, 234)
bg := RGB(234, 78, 23)
s := &RGBStyle{}
is.True(s.IsEmpty())
is.Equal("", s.String())
s.Set(fg, bg)
is.False(s.IsEmpty())
is.Equal("38;2;20;144;234;48;2;234;78;23", s.String())
s = &RGBStyle{}
s.Set(fg, bg, OpUnderscore)
is.False(s.IsEmpty())
is.Equal("38;2;20;144;234;48;2;234;78;23;4", s.FullCode())
is.Equal("38;2;20;144;234;48;2;234;78;23;4", s.String())
s.SetOpts(Opts{OpBold, OpBlink})
is.Equal("38;2;20;144;234;48;2;234;78;23;1;5", s.Code())
is.Equal("38;2;20;144;234;48;2;234;78;23;1;5", s.String())
s.AddOpts(OpItalic)
is.Equal("38;2;20;144;234;48;2;234;78;23;1;5;3", s.String())
// NewRGBStyle
s = NewRGBStyle(RGB(20, 144, 234))
is.False(s.IsEmpty())
is.Equal("38;2;20;144;234", s.String())
s = NewRGBStyle(RGB(20, 144, 234), RGB(234, 78, 23))
is.False(s.IsEmpty())
is.Equal("38;2;20;144;234;48;2;234;78;23", s.String())
// HEXStyle
s = HEXStyle("555", "eee")
is.False(s.IsEmpty())
is.Equal("38;2;85;85;85;48;2;238;238;238", s.String())
// RGBStyleFromString
s = RGBStyleFromString("20, 144, 234", "234, 78, 23")
is.False(s.IsEmpty())
is.Equal("38;2;20;144;234;48;2;234;78;23", s.String())
// RGBColor.Sprint
is.Equal("\x1b[38;2;20;144;234;48;2;234;78;23mmsg\x1b[0m", s.Sprint("msg"))
// RGBColor.Sprintf
is.Equal("\x1b[38;2;20;144;234;48;2;234;78;23mmsg\x1b[0m", s.Sprintf("m%s", "sg"))
s.Println("hello, this is use RGB color")
fmt.Println("\x1b[38;2;20;144;234;48;2;234;78;23mTEXT\x1b[0m")
// add option: OpItalic
fmt.Println("\x1b[38;2;20;144;234;48;2;234;78;23;3mTEXT\x1b[0m")
buf := forceOpenColorRender()
defer resetColorRender()
// RGBColor.Print
s.Print("msg")
str := buf.String()
buf.Reset()
is.Equal("\x1b[38;2;20;144;234;48;2;234;78;23mmsg\x1b[0m", str)
// RGBColor.Printf
s.Printf("m%s", "sg")
str = buf.String()
buf.Reset()
is.Equal("\x1b[38;2;20;144;234;48;2;234;78;23mmsg\x1b[0m", str)
// RGBColor.Println
s.Println("msg")
str = buf.String()
buf.Reset()
is.Equal("\x1b[38;2;20;144;234;48;2;234;78;23mmsg\x1b[0m\n", str)
}
func TestPrintRGBColor(t *testing.T) {
RGB(30, 144, 255).Println("message. use RGB number")
HEX("#1976D2").Println("blue-darken")
RGBStyleFromString("213,0,0").Println("red-accent. use RGB number")
// foreground: eee, background: D50000
HEXStyle("eee", "D50000").Println("deep-purple color")
}
func TestRGBStyle_SetOpts(t *testing.T) {
s := NewRGBStyle(RGB(234, 78, 23), RGB(20, 144, 234))
s.Println("rgb style message")
s.SetOpts(Opts{OpItalic, OpBold, OpUnderscore})
s.Println("RGB style message with options")
}
func testRgbToC256Color(t *testing.T, name string, c RGBColor, expected uint8) {
t.Log("RGB Color:", c.Sprint(name))
t.Log("256 Color:", c.C256().Sprint(name))
actual := c.C256().Value()
if actual != expected {
t.Errorf("%s not converted correctly: expected %v, actual %v", name, actual, expected)
}
}
func TestRgbToC256(t *testing.T) {
testRgbToC256Color(t, "white", RGB(255, 255, 255), 15)
testRgbToC256Color(t, "red", RGB(255, 0, 0), 9)
testRgbToC256Color(t, "yellow", RGB(255, 255, 0), 11)
testRgbToC256Color(t, "greenBg", RgbFromInt(0, 255, 0, true), 10)
testRgbToC256Color(t, "blueBg", RGB(0, 0, 255, true), 12)
testRgbToC256Color(t, "light blue", RgbFromInts([]int{57, 187, 226}), 74)
}
func TestRgbToC256Background(t *testing.T) {
white := Rgb(255, 255, 255)
whiteBg := Bit24(255, 255, 255, true)
whiteFg := RGB(255, 255, 255, false)
if white.C256().String() != whiteFg.C256().String() {
t.Error("standard color didn't match foreground color")
}
if white.C256().String() == whiteBg.C256().String() {
t.Error("standard color matched background color")
}
prefix := whiteBg.C256().String()[:3]
if prefix != "48;" {
t.Errorf("background color didn't have background prefix: %v", prefix)
}
}
func TestRGBColor_C16(t *testing.T) {
rgb := RGB(57, 187, 226)
assert.Equal(t, "36", rgb.C16().String())
assert.Equal(t, "36", rgb.Color().String())
rgb = RGB(57, 187, 226, true)
assert.Equal(t, "46", rgb.C16().String())
assert.Equal(t, "46", rgb.Color().String())
}
func TestHSL(t *testing.T) {
// red #ff0000 255, 0, 0
rgb := HSL(0, 1, 0.5)
rgb.Println("rgb color create by HSL; hex:", rgb.Hex(), "rgb:", rgb.RgbString())
rgb = Hsl(0, 1, 0.5)
rgb.Println("rgb color create by HSL; hex:", rgb.Hex(), "rgb:", rgb.RgbString())
rgb = HslInt(0, 100, 50)
rgb.Println("rgb color create by HSL int; hex:", rgb.Hex(), "rgb:", rgb.RgbString())
// maroon #800000 128,0,0 0,100%,25%
rgb = HslInt(0, 100, 25)
rgb.Println("rgb color create by HSL int; hex:", rgb.Hex(), "rgb:", rgb.RgbString())
// darkgray #a9a9a9 169,169,169 0,0%,66%
rgb = HslInt(0, 0, 66)
rgb.Println("rgb color create by HSL int; hex:", rgb.Hex(), "rgb:", rgb.RgbString())
}