- Core library with SVG and PNG generation - CLI tool with generate and batch commands - Cross-platform path handling for Windows compatibility - Comprehensive test suite with integration tests
324 lines
9.0 KiB
Go
324 lines
9.0 KiB
Go
package engine
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import (
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"math"
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"testing"
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)
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func TestColorConfigValidate(t *testing.T) {
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tests := []struct {
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name string
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config ColorConfig
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wantErr bool
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errMsg string
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}{
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{
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name: "valid default config",
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config: DefaultColorConfig(),
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wantErr: false,
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},
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{
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name: "invalid color saturation < 0",
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config: ColorConfig{
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ColorSaturation: -0.1,
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GrayscaleSaturation: 0.0,
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ColorLightness: LightnessRange{Min: 0.4, Max: 0.8},
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GrayscaleLightness: LightnessRange{Min: 0.3, Max: 0.9},
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IconPadding: 0.08,
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},
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wantErr: true,
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errMsg: "color saturation out of range",
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},
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{
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name: "invalid grayscale saturation > 1",
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config: ColorConfig{
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ColorSaturation: 0.5,
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GrayscaleSaturation: 1.5,
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ColorLightness: LightnessRange{Min: 0.4, Max: 0.8},
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GrayscaleLightness: LightnessRange{Min: 0.3, Max: 0.9},
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IconPadding: 0.08,
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},
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wantErr: true,
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errMsg: "grayscale saturation out of range",
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},
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{
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name: "invalid color lightness min > max",
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config: ColorConfig{
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ColorSaturation: 0.5,
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GrayscaleSaturation: 0.0,
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ColorLightness: LightnessRange{Min: 0.8, Max: 0.4},
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GrayscaleLightness: LightnessRange{Min: 0.3, Max: 0.9},
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IconPadding: 0.08,
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},
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wantErr: true,
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errMsg: "color lightness range invalid",
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},
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{
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name: "invalid icon padding > 1",
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config: ColorConfig{
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ColorSaturation: 0.5,
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GrayscaleSaturation: 0.0,
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ColorLightness: LightnessRange{Min: 0.4, Max: 0.8},
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GrayscaleLightness: LightnessRange{Min: 0.3, Max: 0.9},
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IconPadding: 1.5,
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},
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wantErr: true,
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errMsg: "icon padding out of range",
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},
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{
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name: "multiple validation errors",
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config: ColorConfig{
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ColorSaturation: -0.1, // Invalid
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GrayscaleSaturation: 1.5, // Invalid
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ColorLightness: LightnessRange{Min: 0.4, Max: 0.8},
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GrayscaleLightness: LightnessRange{Min: 0.3, Max: 0.9},
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IconPadding: 0.08,
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},
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wantErr: true,
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errMsg: "color saturation out of range",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := tt.config.Validate()
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if tt.wantErr {
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if err == nil {
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t.Errorf("Expected error for config validation, got none")
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return
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}
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if tt.errMsg != "" && !containsString(err.Error(), tt.errMsg) {
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t.Errorf("Expected error message to contain '%s', got '%s'", tt.errMsg, err.Error())
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}
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} else {
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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}
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}
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})
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}
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}
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func TestDefaultColorConfig(t *testing.T) {
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config := DefaultColorConfig()
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// Test default values match JavaScript implementation
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if config.ColorSaturation != 0.5 {
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t.Errorf("ColorSaturation = %f, want 0.5", config.ColorSaturation)
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}
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if config.GrayscaleSaturation != 0.0 {
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t.Errorf("GrayscaleSaturation = %f, want 0.0", config.GrayscaleSaturation)
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}
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if config.ColorLightness.Min != 0.4 || config.ColorLightness.Max != 0.8 {
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t.Errorf("ColorLightness = {%f, %f}, want {0.4, 0.8}",
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config.ColorLightness.Min, config.ColorLightness.Max)
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}
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if config.GrayscaleLightness.Min != 0.3 || config.GrayscaleLightness.Max != 0.9 {
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t.Errorf("GrayscaleLightness = {%f, %f}, want {0.3, 0.9}",
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config.GrayscaleLightness.Min, config.GrayscaleLightness.Max)
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}
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if len(config.Hues) != 0 {
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t.Errorf("Hues should be empty by default, got %v", config.Hues)
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}
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if config.BackColor != nil {
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t.Error("BackColor should be nil by default")
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}
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if config.IconPadding != 0.08 {
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t.Errorf("IconPadding = %f, want 0.08", config.IconPadding)
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}
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}
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func TestLightnessRangeGetLightness(t *testing.T) {
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lr := LightnessRange{Min: 0.3, Max: 0.9}
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tests := []struct {
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value float64
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expected float64
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}{
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{0.0, 0.3}, // Min value
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{1.0, 0.9}, // Max value
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{0.5, 0.6}, // Middle value: 0.3 + 0.5 * (0.9 - 0.3) = 0.6
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{-0.5, 0.3}, // Below range, should clamp to min
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{1.5, 0.9}, // Above range, should clamp to max
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}
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for _, tt := range tests {
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result := lr.GetLightness(tt.value)
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if math.Abs(result-tt.expected) > 0.001 {
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t.Errorf("GetLightness(%f) = %f, want %f", tt.value, result, tt.expected)
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}
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}
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}
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func TestConfigRestrictHue(t *testing.T) {
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tests := []struct {
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name string
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hues []float64
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originalHue float64
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expectedHue float64
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}{
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{
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name: "no restriction",
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hues: nil,
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originalHue: 0.25,
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expectedHue: 0.25,
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},
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{
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name: "empty restriction",
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hues: []float64{},
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originalHue: 0.25,
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expectedHue: 0.25,
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},
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{
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name: "single hue restriction",
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hues: []float64{180}, // 180 degrees = 0.5 turns
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originalHue: 0.25,
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expectedHue: 0.5,
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},
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{
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name: "multiple hue restriction",
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hues: []float64{0, 120, 240}, // Red, Green, Blue
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originalHue: 0.1, // Should map to first hue (0 degrees)
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expectedHue: 0.0,
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},
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{
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name: "hue normalization - negative",
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hues: []float64{90}, // 90 degrees = 0.25 turns
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originalHue: -0.5,
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expectedHue: 0.25,
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},
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{
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name: "hue normalization - over 1",
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hues: []float64{270}, // 270 degrees = 0.75 turns
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originalHue: 1.5,
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expectedHue: 0.75,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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config := ColorConfig{Hues: tt.hues}
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result := config.RestrictHue(tt.originalHue)
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if math.Abs(result-tt.expectedHue) > 0.001 {
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t.Errorf("RestrictHue(%f) = %f, want %f", tt.originalHue, result, tt.expectedHue)
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}
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})
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}
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}
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func TestConfigNormalize(t *testing.T) {
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// Test that Normalize corrects invalid values
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config := ColorConfig{
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ColorSaturation: -0.5, // Invalid: below 0
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GrayscaleSaturation: 1.5, // Invalid: above 1
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ColorLightness: LightnessRange{Min: 0.8, Max: 0.2}, // Invalid: min > max
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GrayscaleLightness: LightnessRange{Min: -0.1, Max: 1.1}, // Invalid: out of range
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IconPadding: 2.0, // Invalid: above 1
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}
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config.Normalize()
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if config.ColorSaturation != 0.0 {
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t.Errorf("ColorSaturation after validation = %f, want 0.0", config.ColorSaturation)
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}
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if config.GrayscaleSaturation != 1.0 {
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t.Errorf("GrayscaleSaturation after validation = %f, want 1.0", config.GrayscaleSaturation)
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}
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// Min and max should be swapped
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if config.ColorLightness.Min != 0.2 || config.ColorLightness.Max != 0.8 {
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t.Errorf("ColorLightness after validation = {%f, %f}, want {0.2, 0.8}",
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config.ColorLightness.Min, config.ColorLightness.Max)
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}
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// Values should be clamped
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if config.GrayscaleLightness.Min != 0.0 || config.GrayscaleLightness.Max != 1.0 {
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t.Errorf("GrayscaleLightness after validation = {%f, %f}, want {0.0, 1.0}",
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config.GrayscaleLightness.Min, config.GrayscaleLightness.Max)
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}
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if config.IconPadding != 1.0 {
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t.Errorf("IconPadding after validation = %f, want 1.0", config.IconPadding)
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}
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}
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func TestColorConfigBuilder(t *testing.T) {
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redColor := NewColorRGB(255, 0, 0)
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config := DefaultColorConfig()
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config.ColorSaturation = 0.7
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config.GrayscaleSaturation = 0.1
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config.ColorLightness = LightnessRange{Min: 0.2, Max: 0.8}
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config.GrayscaleLightness = LightnessRange{Min: 0.1, Max: 0.9}
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config.Hues = []float64{0, 120, 240}
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config.BackColor = &redColor
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config.IconPadding = 0.1
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if config.ColorSaturation != 0.7 {
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t.Errorf("ColorSaturation = %f, want 0.7", config.ColorSaturation)
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}
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if config.GrayscaleSaturation != 0.1 {
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t.Errorf("GrayscaleSaturation = %f, want 0.1", config.GrayscaleSaturation)
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}
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if config.ColorLightness.Min != 0.2 || config.ColorLightness.Max != 0.8 {
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t.Errorf("ColorLightness = {%f, %f}, want {0.2, 0.8}",
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config.ColorLightness.Min, config.ColorLightness.Max)
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}
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if config.GrayscaleLightness.Min != 0.1 || config.GrayscaleLightness.Max != 0.9 {
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t.Errorf("GrayscaleLightness = {%f, %f}, want {0.1, 0.9}",
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config.GrayscaleLightness.Min, config.GrayscaleLightness.Max)
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}
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if len(config.Hues) != 3 || config.Hues[0] != 0 || config.Hues[1] != 120 || config.Hues[2] != 240 {
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t.Errorf("Hues = %v, want [0, 120, 240]", config.Hues)
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}
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if config.BackColor == nil || !config.BackColor.Equals(redColor) {
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t.Error("BackColor should be set to red")
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}
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if config.IconPadding != 0.1 {
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t.Errorf("IconPadding = %f, want 0.1", config.IconPadding)
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}
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}
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func TestColorConfigValidation(t *testing.T) {
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// Test direct config validation
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config := DefaultColorConfig()
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config.ColorSaturation = -0.5 // Invalid
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config.GrayscaleSaturation = 1.5 // Invalid
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err := config.Validate()
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// Should return validation error for invalid values
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if err == nil {
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t.Error("Expected validation error for invalid configuration, got nil")
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}
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if !containsString(err.Error(), "color saturation out of range") {
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t.Errorf("Expected error to mention color saturation validation, got: %s", err.Error())
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}
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}
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// containsString checks if a string contains a substring
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func containsString(s, substr string) bool {
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for i := 0; i <= len(s)-len(substr); i++ {
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if s[i:i+len(substr)] == substr {
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return true
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}
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}
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return false
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}
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