unit tests

pkg/auth/session_test.go

@@ -0,0 +1,59 @@
+package auth
+
+import (
+	"testing"
+)
+
+func TestNewSessionValidator(t *testing.T) {
+	validator := NewSessionValidator()
+	if validator == nil {
+		t.Fatal("Expected non-nil validator")
+	}
+
+	if validator.httpClient == nil {
+		t.Error("Expected httpClient to be initialized")
+	}
+
+	if validator.cache == nil {
+		t.Error("Expected cache to be initialized")
+	}
+}
+
+func TestGetCacheKey(t *testing.T) {
+	// Cache key should be deterministic
+	key1 := getCacheKey("alice.bsky.social", "password123")
+	key2 := getCacheKey("alice.bsky.social", "password123")
+
+	if key1 != key2 {
+		t.Error("Expected same cache key for same credentials")
+	}
+
+	// Different credentials should produce different keys
+	key3 := getCacheKey("bob.bsky.social", "password123")
+	if key1 == key3 {
+		t.Error("Expected different cache keys for different users")
+	}
+
+	key4 := getCacheKey("alice.bsky.social", "different_password")
+	if key1 == key4 {
+		t.Error("Expected different cache keys for different passwords")
+	}
+
+	// Cache key should be hex-encoded SHA256 (64 characters)
+	if len(key1) != 64 {
+		t.Errorf("Expected cache key length 64, got %d", len(key1))
+	}
+}
+
+func TestSessionValidator_GetCachedSession_Miss(t *testing.T) {
+	validator := NewSessionValidator()
+	cacheKey := "nonexistent_key"
+
+	session, ok := validator.getCachedSession(cacheKey)
+	if ok {
+		t.Error("Expected cache miss for nonexistent key")
+	}
+	if session != nil {
+		t.Error("Expected nil session for cache miss")
+	}
+}