/
colors_test.go
387 lines (293 loc) · 8.85 KB
/
colors_test.go
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package colors
import (
"fmt"
"image/color"
"path"
"reflect"
"runtime"
"testing"
)
// NOTES:
// - Run "go test" to run tests
// - Run "gocov test | gocov report" to report on test converage by file
// - Run "gocov test | gocov annotate -" to report on all code and functions, those ,marked with "MISS" were never called
//
func IsEqual(t *testing.T, val1, val2 interface{}) bool {
v1 := reflect.ValueOf(val1)
v2 := reflect.ValueOf(val2)
if v1.Kind() == reflect.Ptr {
v1 = v1.Elem()
}
if v2.Kind() == reflect.Ptr {
v2 = v2.Elem()
}
if !v1.IsValid() && !v2.IsValid() {
return true
}
switch v1.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
if v1.IsNil() {
v1 = reflect.ValueOf(nil)
}
}
switch v2.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
if v2.IsNil() {
v2 = reflect.ValueOf(nil)
}
}
v1Underlying := reflect.Zero(reflect.TypeOf(v1)).Interface()
v2Underlying := reflect.Zero(reflect.TypeOf(v2)).Interface()
if v1 == v1Underlying {
if v2 == v2Underlying {
goto CASE4
} else {
goto CASE3
}
} else {
if v2 == v2Underlying {
goto CASE2
} else {
goto CASE1
}
}
CASE1:
// fmt.Println("CASE 1")
return reflect.DeepEqual(v1.Interface(), v2.Interface())
CASE2:
// fmt.Println("CASE 2")
return reflect.DeepEqual(v1.Interface(), v2)
CASE3:
// fmt.Println("CASE 3")
return reflect.DeepEqual(v1, v2.Interface())
CASE4:
// fmt.Println("CASE 4")
return reflect.DeepEqual(v1, v2)
}
func Equal(t *testing.T, val1, val2 interface{}) {
EqualSkip(t, 2, val1, val2)
}
func EqualSkip(t *testing.T, skip int, val1, val2 interface{}) {
if !IsEqual(t, val1, val2) {
_, file, line, _ := runtime.Caller(skip)
fmt.Printf("%s:%d %v does not equal %v\n", path.Base(file), line, val1, val2)
t.FailNow()
}
}
func NotEqual(t *testing.T, val1, val2 interface{}) {
NotEqualSkip(t, 2, val1, val2)
}
func NotEqualSkip(t *testing.T, skip int, val1, val2 interface{}) {
if IsEqual(t, val1, val2) {
_, file, line, _ := runtime.Caller(skip)
fmt.Printf("%s:%d %v should not be equal %v\n", path.Base(file), line, val1, val2)
t.FailNow()
}
}
func PanicMatches(t *testing.T, fn func(), matches string) {
PanicMatchesSkip(t, 2, fn, matches)
}
func PanicMatchesSkip(t *testing.T, skip int, fn func(), matches string) {
_, file, line, _ := runtime.Caller(skip)
defer func() {
if r := recover(); r != nil {
err := fmt.Sprintf("%s", r)
if err != matches {
fmt.Printf("%s:%d Panic... expected [%s] received [%s]", path.Base(file), line, matches, err)
t.FailNow()
}
}
}()
fn()
}
func TestColorConversionFromHEX(t *testing.T) {
hex, _ := ParseHEX("#5f55f5")
Equal(t, hex.ToHEX().String(), "#5f55f5")
Equal(t, hex.ToRGB().String(), "rgb(95,85,245)")
Equal(t, hex.ToRGBA().String(), "rgba(95,85,245,1)")
hex, _ = ParseHEX("#5f5")
Equal(t, hex.ToRGB().String(), "rgb(85,255,85)")
hex, _ = ParseHEX("Bad Hex color!")
Equal(t, hex, nil)
}
func TestColorConversionFromRGB(t *testing.T) {
rgb, _ := ParseRGB("rgb(95%,85%,50%)")
Equal(t, rgb.ToRGB().String(), "rgb(242,217,128)")
Equal(t, rgb.ToRGBA().String(), "rgba(242,217,128,1)")
Equal(t, rgb.ToHEX().String(), "#f2d980")
rgb, _ = ParseRGB("rgb(95,85,245)")
Equal(t, rgb.ToRGB().String(), "rgb(95,85,245)")
Equal(t, rgb.ToRGBA().String(), "rgba(95,85,245,1)")
Equal(t, rgb.ToHEX().String(), "#5f55f5")
rgb, _ = RGB(95, 85, 245)
Equal(t, rgb.ToRGB().String(), "rgb(95,85,245)")
Equal(t, rgb.ToRGBA().String(), "rgba(95,85,245,1)")
Equal(t, rgb.ToHEX().String(), "#5f55f5")
rgb, _ = ParseRGB("BAD RGB COLOR")
Equal(t, rgb, nil)
rgb, _ = ParseRGB("rgb(95%,85%,245)")
Equal(t, rgb, nil)
}
func TestColorConversionFromRGBA(t *testing.T) {
rgba, _ := ParseRGBA("rgba(95%,85%,50%,1)")
Equal(t, rgba.ToRGB().String(), "rgb(242,217,128)")
Equal(t, rgba.ToRGBA().String(), "rgba(242,217,128,1)")
Equal(t, rgba.ToHEX().String(), "#f2d980")
rgba, _ = ParseRGBA("rgba(95,85,245,1)")
Equal(t, rgba.ToRGB().String(), "rgb(95,85,245)")
Equal(t, rgba.ToRGBA().String(), "rgba(95,85,245,1)")
Equal(t, rgba.ToHEX().String(), "#5f55f5")
rgba, _ = RGBA(95, 85, 245, 1)
Equal(t, rgba.ToRGB().String(), "rgb(95,85,245)")
Equal(t, rgba.ToRGBA().String(), "rgba(95,85,245,1)")
Equal(t, rgba.ToHEX().String(), "#5f55f5")
rgba, _ = RGBA(95, 85, 245, 6)
Equal(t, rgba, nil)
rgba, _ = RGBA(95, 85, 245, -1)
Equal(t, rgba, nil)
rgba, _ = ParseRGBA("BAD RGBA COLOR")
Equal(t, rgba, nil)
rgba, _ = ParseRGBA("rgba(95%,85%,245,1)")
Equal(t, rgba, nil)
}
func TestColorConversionFromStdColor(t *testing.T) {
rgba := FromStdColor(color.RGBA{242, 217, 128, 255})
Equal(t, rgba.ToRGB().String(), "rgb(242,217,128)")
Equal(t, rgba.ToRGBA().String(), "rgba(242,217,128,1)")
Equal(t, rgba.ToHEX().String(), "#f2d980")
rgba = FromStdColor(color.RGBA{95, 85, 245, 255})
Equal(t, rgba.ToRGB().String(), "rgb(95,85,245)")
Equal(t, rgba.ToRGBA().String(), "rgba(95,85,245,1)")
Equal(t, rgba.ToHEX().String(), "#5f55f5")
}
func TestColorConversionFromToStdColor(t *testing.T) {
hex, _ := ParseHEX("#5f55f5")
r, g, b, a := hex.RGBA()
Equal(t, r, uint32(95))
Equal(t, g, uint32(85))
Equal(t, b, uint32(245))
Equal(t, a, uint32(1))
rgba, _ := RGBA(242, 217, 128, 1)
r, g, b, a = rgba.RGBA()
Equal(t, r, uint32(242))
Equal(t, g, uint32(217))
Equal(t, b, uint32(128))
Equal(t, a, uint32(1))
rgb, _ := RGB(242, 217, 128)
r, g, b, a = rgb.RGBA()
Equal(t, r, uint32(242))
Equal(t, g, uint32(217))
Equal(t, b, uint32(128))
Equal(t, a, uint32(1))
}
func TestColorEqual(t *testing.T) {
hex, _ := ParseHEX("#5f55f5")
rgb, _ := RGB(95, 85, 245)
rgba, _ := RGBA(95, 85, 245, 1)
Equal(t, hex.Equal(hex), true)
Equal(t, hex.Equal(rgb), true)
Equal(t, hex.Equal(rgba), true)
Equal(t, rgb.Equal(rgb), true)
Equal(t, rgb.Equal(hex), true)
Equal(t, rgb.Equal(rgba), true)
Equal(t, rgba.Equal(rgba), true)
Equal(t, rgba.Equal(rgb), true)
Equal(t, rgba.Equal(hex), true)
hex2, _ := ParseHEX("#5f55f4")
rgb2, _ := RGB(95, 87, 245)
rgba2, _ := RGBA(93, 85, 245, 1)
Equal(t, hex2.Equal(rgb2), false)
Equal(t, hex2.Equal(rgba2), false)
Equal(t, rgb2.Equal(hex2), false)
Equal(t, rgb2.Equal(rgba2), false)
Equal(t, rgba2.Equal(rgb2), false)
Equal(t, rgba2.Equal(hex2), false)
}
func TestParseColor(t *testing.T) {
color, _ := Parse("#FFF")
NotEqual(t, color, nil)
Equal(t, reflect.TypeOf(color) == reflect.TypeOf(&HEXColor{}), true)
color, _ = Parse("rgb(95,85,245)")
NotEqual(t, color, nil)
Equal(t, reflect.TypeOf(color) == reflect.TypeOf(&RGBColor{}), true)
color, _ = Parse("rgba(95,85,245,1)")
NotEqual(t, color, nil)
Equal(t, reflect.TypeOf(color) == reflect.TypeOf(&RGBAColor{}), true)
color, _ = Parse("#ff")
Equal(t, color, nil)
color, _ = Parse("garbage-data")
Equal(t, color, nil)
c, err := Parse("rgba(127,34,94,0.534556634531)")
Equal(t, err, nil)
Equal(t, reflect.TypeOf(c) == reflect.TypeOf(&RGBAColor{}), true)
}
func TestIsLightIsDark(t *testing.T) {
rgb, _ := RGB(0, 0, 0)
Equal(t, rgb.IsLight(), false)
Equal(t, rgb.IsDark(), true)
rgb, _ = RGB(255, 255, 255)
Equal(t, rgb.IsLight(), true)
Equal(t, rgb.IsDark(), false)
rgba, _ := RGBA(0, 0, 0, 1)
Equal(t, rgba.IsLight(), false)
Equal(t, rgba.IsDark(), true)
rgba, _ = RGBA(255, 255, 255, 1)
Equal(t, rgba.IsLight(), true)
Equal(t, rgba.IsDark(), false)
hex, _ := ParseHEX("#99FF33")
Equal(t, hex.IsLight(), true)
Equal(t, hex.IsDark(), false)
hex, _ = ParseHEX("#3300FF")
Equal(t, hex.IsLight(), false)
Equal(t, hex.IsDark(), true)
}
func TestIsLightAlphaIsDarkAlpha(t *testing.T) {
bg, _ := RGB(255, 255, 255)
rgba, _ := RGBA(0, 0, 0, 1)
Equal(t, rgba.IsLightAlpha(bg), false)
Equal(t, rgba.IsDarkAlpha(bg), true)
rgba, _ = RGBA(0, 0, 0, 0)
Equal(t, rgba.IsLightAlpha(bg), true)
Equal(t, rgba.IsDarkAlpha(bg), false)
rgba, _ = RGBA(255, 255, 255, 1)
Equal(t, rgba.IsLightAlpha(bg), true)
Equal(t, rgba.IsDarkAlpha(bg), false)
rgba, _ = RGBA(0, 0, 0, 0.5)
Equal(t, rgba.IsLightAlpha(bg), false)
Equal(t, rgba.IsDarkAlpha(bg), true)
rgba, _ = RGBA(0, 0, 0, 0.3)
Equal(t, rgba.IsLightAlpha(bg), true)
Equal(t, rgba.IsDarkAlpha(bg), false)
rgba, _ = RGBA(240, 100, 20, 0.5)
Equal(t, rgba.IsLightAlpha(bg), true)
Equal(t, rgba.IsDarkAlpha(bg), false)
bg, _ = RGB(0, 0, 0)
rgba, _ = RGBA(132, 100, 50, 0.5)
Equal(t, rgba.IsLightAlpha(bg), false)
Equal(t, rgba.IsDarkAlpha(bg), true)
rgba, _ = RGBA(132, 100, 50, 0.7)
Equal(t, rgba.IsLightAlpha(bg), false)
Equal(t, rgba.IsDarkAlpha(bg), true)
}
func TestInterfaceTypes(t *testing.T) {
fn := func(c Color) string {
if c == nil {
return ""
}
c.IsDark()
c.IsLight()
return c.String()
}
hex, _ := ParseHEX("#FFF")
rgb, _ := ParseRGB("rgb(95,85,245)")
rgba, _ := ParseRGBA("rgba(95,85,245,1)")
fn(hex)
fn(rgb)
fn(rgba)
}
func BenchmarkSpeed(b *testing.B) {
for n := 0; n < b.N; n++ {
h, _ := ParseHEX("#FFFFFF")
h.ToRGBA()
}
}