feat: 部署初版测试

server/internal/service/ai_service_test.go

@@ -0,0 +1,41 @@
+package service
+
+import (
+	"os"
+	"testing"
+)
+
+// TestAIService_Initialization verifies that the AIService parses environment variables
+// correctly and initializes the required fallback strategies and default settings.
+func TestAIService_Initialization(t *testing.T) {
+	// Temporarily set testing ENVs to avoid depending on local .env
+	os.Setenv("LLM_PROVIDER", "anthropic")
+	os.Setenv("LLM_MODEL", "claude-3-5-haiku-latest")
+	os.Setenv("OPENAI_API_KEY", "test-key-openai")
+	defer os.Clearenv() // Clean up after test
+
+	svc := NewAIService()
+	if svc == nil {
+		t.Fatal("Expected AIService to be initialized, got nil")
+	}
+
+	if svc.defaultProvider != "anthropic" {
+		t.Errorf("Expected default provider 'anthropic', got '%s'", svc.defaultProvider)
+	}
+
+	if svc.defaultModel != "claude-3-5-haiku-latest" {
+		t.Errorf("Expected default model 'claude-3-5-haiku-latest', got '%s'", svc.defaultModel)
+	}
+
+	// Verify that OpenAI provider was initialized because OPENAI_API_KEY was present
+	_, hasOpenAI := svc.providers["openai"]
+	if !hasOpenAI {
+		t.Error("Expected OpenAI provider to be initialized, but it was not found")
+	}
+
+	// Verify that circuit breakers were initialized
+	_, hasBreaker := svc.breakers["openai"]
+	if !hasBreaker {
+		t.Error("Expected circuit breaker for setup provider, but it was not found")
+	}
+}