Refactor the code to use more modular and testable approach.

cmd/utils/github_test.go

@@ -0,0 +1,46 @@
+package utils
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCheckLatestRelease(t *testing.T) {
+	// Initialize logger
+	InitLogger(true)
+
+	// Save original environment variables
+	originalToken := os.Getenv("GITHUB_TOKEN")
+	defer os.Setenv("GITHUB_TOKEN", originalToken)
+
+	// Test with no token
+	os.Unsetenv("GITHUB_TOKEN")
+	release, ok := CheckLatestRelease()
+	assert.Equal(t, "[no GITHUB_TOKEN set]", release, "Should return no token message")
+	assert.False(t, ok, "Should return false when no token is set")
+
+	// We can't reliably test with a token in CI environments
+	// Just verify the no-token case works as expected
+}
+
+func TestUpdatePackage(t *testing.T) {
+	// Initialize logger
+	InitLogger(true)
+
+	// Save original environment variables
+	originalToken := os.Getenv("GITHUB_TOKEN")
+	defer os.Setenv("GITHUB_TOKEN", originalToken)
+
+	// Test with no token
+	os.Unsetenv("GITHUB_TOKEN")
+	result := UpdatePackage()
+	assert.False(t, result, "Should return false when no token is set")
+
+	// We can't fully test the update functionality as it would modify the binary
+	// but we can test the token check logic
+}
+
+// Note: We're not using mock transports for these tests to avoid
+// adding complexity. The tests focus on the token presence logic.