feat: add version checking and auto-update functionality

1 files changed, 52 insertions, 0 deletions

diff --git a/internal/utils/version_test.go b/internal/utils/version_test.go
new file mode 100644
index 0000000..dc1627d
--- /dev/null
+++ b/internal/utils/version_test.go
@@ -0,0 +1,52 @@
+package utils
+
+import "testing"
+
+func TestIsNewerVersion(t *testing.T) {
+	tests := []struct {
+		name     string
+		remote   string
+		local    string
+		expected bool
+	}{
+		{
+			name:     "newer version available",
+			remote:   "v0.2.0",
+			local:    "v0.1.0",
+			expected: true,
+		},
+		{
+			name:     "same version",
+			remote:   "v0.1.0",
+			local:    "v0.1.0",
+			expected: false,
+		},
+		{
+			name:     "local is newer",
+			remote:   "v0.1.0",
+			local:    "v0.2.0",
+			expected: false,
+		},
+		{
+			name:     "without v prefix",
+			remote:   "0.2.0",
+			local:    "0.1.0",
+			expected: true,
+		},
+		{
+			name:     "mixed prefix",
+			remote:   "v0.2.0",
+			local:    "0.1.0",
+			expected: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := isNewerVersion(tt.remote, tt.local)
+			if result != tt.expected {
+				t.Errorf("isNewerVersion(%s, %s) = %v, expected %v", tt.remote, tt.local, result, tt.expected)
+			}
+		})
+	}
+}