feat(logger): Add a Fatal logger

internal/logger/logger.go

@@ -1,6 +1,11 @@
 // Package logger provides simple logging functions with icons and colors.
 package logger
 
+import (
+	"fmt"
+	"os"
+)
+
 // Icon is a unicode icon
 type Icon string
 
@@ -49,3 +54,26 @@ func Failure(msg ...any) {
 func Log(icon Icon, msg ...any) {
 	message("", icon, msg...)
 }
+
+func fatal(red string, icon Icon, msg ...any) {
+	fmt.Print(icon, " ", red)
+	fmt.Print(msg...)
+	fmt.Println(reset)
+	os.Exit(1)
+}
+
+func fatalf(red string, icon Icon, format string, msg ...any) {
+	fatal(red, icon, fmt.Sprintf(format, msg...))
+}
+
+// Fatal prints a fatal error message and exits with code 1.
+func Fatal(msg ...any) {
+	red := "\033[38;5;196m"
+	fatal(red, IconFailure, msg...)
+}
+
+// Fatalf prints a fatal error message with formatting and exits with code 1.
+func Fatalf(format string, msg ...any) {
+	red := "\033[38;5;196m"
+	fatalf(red, IconFailure, format, msg...)
+}

internal/logger/logger_test.go

@@ -0,0 +1,79 @@
+package logger
+
+import (
+	"testing"
+)
+
+func TestIcons(t *testing.T) {
+	tests := []struct {
+		name     string
+		got      Icon
+		expected Icon
+	}{
+		{"IconSuccess", IconSuccess, "✅"},
+		{"IconFailure", IconFailure, "❌"},
+		{"IconWarning", IconWarning, "❕"},
+		{"IconNote", IconNote, "📝"},
+		{"IconWorld", IconWorld, "🌐"},
+		{"IconPlug", IconPlug, "🔌"},
+		{"IconPackage", IconPackage, "📦"},
+		{"IconCabinet", IconCabinet, "🗄️"},
+		{"IconInfo", IconInfo, "🔵"},
+		{"IconSecret", IconSecret, "🔒"},
+		{"IconConfig", IconConfig, "🔧"},
+		{"IconDependency", IconDependency, "🔗"},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.got != tt.expected {
+				t.Errorf("got %q, want %q", tt.got, tt.expected)
+			}
+		})
+	}
+}
+
+func TestInfo(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			t.Errorf("Info panicked: %v", r)
+		}
+	}()
+	Info("test message")
+}
+
+func TestWarn(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			t.Errorf("Warn panicked: %v", r)
+		}
+	}()
+	Warn("test warning")
+}
+
+func TestSuccess(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			t.Errorf("Success panicked: %v", r)
+		}
+	}()
+	Success("test success")
+}
+
+func TestFailure(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			t.Errorf("Failure panicked: %v", r)
+		}
+	}()
+	Failure("test failure")
+}
+
+func TestLog(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			t.Errorf("Log panicked: %v", r)
+		}
+	}()
+	Log(IconInfo, "test log")
+}