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package colorprofile
import (
"image/color"
"log"
"testing"
"github.com/charmbracelet/x/ansi"
"github.com/lucasb-eyer/go-colorful"
)
func TestHexTo256(t *testing.T) {
testCases := map[string]struct {
input colorful.Color
expectedHex string
expectedOutput ansi.IndexedColor
}{
"white": {
input: colorful.Color{R: 1, G: 1, B: 1},
expectedHex: "#ffffff",
expectedOutput: 231,
},
"offwhite": {
input: colorful.Color{R: 0.9333, G: 0.9333, B: 0.933},
expectedHex: "#eeeeee",
expectedOutput: 255,
},
"slightly brighter than offwhite": {
input: colorful.Color{R: 0.95, G: 0.95, B: 0.95},
expectedHex: "#f2f2f2",
expectedOutput: 255,
},
"red": {
input: colorful.Color{R: 1, G: 0, B: 0},
expectedHex: "#ff0000",
expectedOutput: 196,
},
"silver foil": {
input: colorful.Color{R: 0.6863, G: 0.6863, B: 0.6863},
expectedHex: "#afafaf",
expectedOutput: 145,
},
"silver chalice": {
input: colorful.Color{R: 0.698, G: 0.698, B: 0.698},
expectedHex: "#b2b2b2",
expectedOutput: 249,
},
"slightly closer to silver foil": {
input: colorful.Color{R: 0.692, G: 0.692, B: 0.692},
expectedHex: "#b0b0b0",
expectedOutput: 145,
},
"slightly closer to silver chalice": {
input: colorful.Color{R: 0.694, G: 0.694, B: 0.694},
expectedHex: "#b1b1b1",
expectedOutput: 249,
},
"gray": {
input: colorful.Color{R: 0.5, G: 0.5, B: 0.5},
expectedHex: "#808080",
expectedOutput: 244,
},
}
for testName, testCase := range testCases {
t.Run(testName, func(t *testing.T) {
// hex := fmt.Sprintf("#%02x%02x%02x", uint8(testCase.input.R*255), uint8(testCase.input.G*255), uint8(testCase.input.B*255))
col := ANSI256.Convert(testCase.input)
if testCase.input.Hex() != testCase.expectedHex {
t.Errorf("Expected %+v to map to %s, but instead received %s", testCase.input, testCase.expectedHex, testCase.input.Hex())
}
output, ok := col.(ansi.IndexedColor)
if !ok {
t.Errorf("Expected %+v to be an ansi.IndexedColor, but instead received %T", testCase.input, col)
}
if output != testCase.expectedOutput {
t.Errorf("Expected truecolor %+v to map to 256 color %d, but instead received %d", testCase.input, testCase.expectedOutput, output)
}
})
}
}
func TestDetectionByEnvironment(t *testing.T) {
testCases := map[string]struct {
environ []string
expected Profile
}{
"TERM is set to dumb": {
environ: []string{"TERM=dumb"},
expected: NoTTY,
},
"TERM set to xterm": {
environ: []string{"TERM=xterm"},
expected: ANSI,
},
"TERM is set to rio": {
environ: []string{"TERM=rio"},
expected: TrueColor,
},
"TERM set to xterm-256color": {
environ: []string{"TERM=xterm-256color"},
expected: ANSI256,
},
}
for testName, testCase := range testCases {
t.Run(testName, func(t *testing.T) {
profile := Env(testCase.environ)
if profile != testCase.expected {
t.Errorf("Expected profile to be %s, but instead received %s", testCase.expected, profile)
}
})
}
}
func TestCache(t *testing.T) {
mu.Lock()
// Clear the cache before running the test
cache = map[Profile]map[color.Color]color.Color{
TrueColor: {},
ANSI256: {},
ANSI: {},
}
mu.Unlock()
hex := func(s string) color.Color {
c, err := colorful.Hex(s)
if err != nil {
log.Fatalf("Failed to parse hex color %s: %v", s, err)
}
return c
}
testCases := map[string]struct {
input color.Color
profile Profile
expected color.Color
}{
"red": {
input: colorful.Color{R: 1, G: 0, B: 0},
profile: ANSI256,
expected: ansi.IndexedColor(196),
},
"grey": {
input: colorful.Color{R: 0.5, G: 0.5, B: 0.5},
profile: ANSI256,
expected: ansi.IndexedColor(244),
},
"white": {
input: colorful.Color{R: 1, G: 1, B: 1},
profile: ANSI,
expected: ansi.BrightWhite,
},
"light burgundy": {
input: hex("#7b2c2c"),
profile: ANSI256,
expected: ansi.IndexedColor(88),
},
"truecolor": {
input: hex("#8ab7ed"),
profile: TrueColor,
expected: hex("#8ab7ed"),
},
"offwhite": {
input: hex("#eeeeee"),
profile: ANSI256,
expected: ansi.IndexedColor(255),
},
}
for testName, testCase := range testCases {
t.Run(testName, func(t *testing.T) {
col := testCase.profile.Convert(testCase.input)
if col != testCase.expected {
t.Errorf("Expected %+v to map to %s, but instead received %s", testCase.input, testCase.expected, col)
}
if testCase.profile == TrueColor {
// TrueColor is a passthrough, so we don't cache it.
return
}
// Check if the color is cached
mu.RLock()
cachedColor, ok := cache[testCase.profile][testCase.input]
mu.RUnlock()
if !ok {
t.Errorf("Expected color %+v to be cached for profile %s, but it was not", testCase.input, testCase.profile)
}
if cachedColor != testCase.expected {
t.Errorf("Expected cached color for %+v to be %s, but instead received %s", testCase.input, testCase.expected, cachedColor)
}
})
}
}
|
