chore: import upstream snapshot with attribution

2026-07-13 12:37:57 +08:00
commit e30f8ba47c
533 changed files with 115926 additions and 0 deletions
@@ -0,0 +1,119 @@
+package octicons
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/modelcontextprotocol/go-sdk/mcp"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDataURI(t *testing.T) {
+	tests := []struct {
+		name        string
+		icon        string
+		theme       Theme
+		wantDataURI bool
+		wantEmpty   bool
+	}{
+		{
+			name:        "light theme icon returns data URI",
+			icon:        "repo",
+			theme:       ThemeLight,
+			wantDataURI: true,
+			wantEmpty:   false,
+		},
+		{
+			name:        "dark theme icon returns data URI",
+			icon:        "repo",
+			theme:       ThemeDark,
+			wantDataURI: true,
+			wantEmpty:   false,
+		},
+		{
+			name:        "non-embedded icon returns empty string",
+			icon:        "nonexistent-icon",
+			theme:       ThemeLight,
+			wantDataURI: false,
+			wantEmpty:   true,
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			result := DataURI(tc.icon, tc.theme)
+			if tc.wantDataURI {
+				assert.True(t, strings.HasPrefix(result, "data:image/png;base64,"), "expected data URI prefix")
+				assert.NotContains(t, result, "https://")
+			}
+			if tc.wantEmpty {
+				assert.Empty(t, result, "expected empty string for non-embedded icon")
+			}
+		})
+	}
+}
+
+func TestIcons(t *testing.T) {
+	tests := []struct {
+		name      string
+		icon      string
+		wantNil   bool
+		wantCount int
+	}{
+		{
+			name:      "valid embedded icon returns light and dark variants",
+			icon:      "repo",
+			wantNil:   false,
+			wantCount: 2,
+		},
+		{
+			name:      "empty name returns nil",
+			icon:      "",
+			wantNil:   true,
+			wantCount: 0,
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			result := Icons(tc.icon)
+			if tc.wantNil {
+				assert.Nil(t, result)
+				return
+			}
+			assert.NotNil(t, result)
+			assert.Len(t, result, tc.wantCount)
+
+			// Verify first icon is light theme
+			assert.Equal(t, DataURI(tc.icon, ThemeLight), result[0].Source)
+			assert.Equal(t, "image/png", result[0].MIMEType)
+			assert.Empty(t, result[0].Sizes) // Sizes field omitted for backward compatibility
+			assert.Equal(t, mcp.IconThemeLight, result[0].Theme)
+
+			// Verify second icon is dark theme
+			assert.Equal(t, DataURI(tc.icon, ThemeDark), result[1].Source)
+			assert.Equal(t, "image/png", result[1].MIMEType)
+			assert.Empty(t, result[1].Sizes) // Sizes field omitted for backward compatibility
+			assert.Equal(t, mcp.IconThemeDark, result[1].Theme)
+		})
+	}
+}
+
+func TestThemeConstants(t *testing.T) {
+	assert.Equal(t, Theme("light"), ThemeLight)
+	assert.Equal(t, Theme("dark"), ThemeDark)
+}
+
+func TestEmbeddedIconsExist(t *testing.T) {
+	// Test that all required icons from required_icons.txt are properly embedded
+	// This is the single source of truth for which icons should be available
+	expectedIcons := RequiredIcons()
+	for _, icon := range expectedIcons {
+		t.Run(icon, func(t *testing.T) {
+			lightURI := DataURI(icon, ThemeLight)
+			darkURI := DataURI(icon, ThemeDark)
+			assert.True(t, strings.HasPrefix(lightURI, "data:image/png;base64,"), "light theme icon %s should be embedded", icon)
+			assert.True(t, strings.HasPrefix(darkURI, "data:image/png;base64,"), "dark theme icon %s should be embedded", icon)
+		})
+	}
+}