sal/kubernetes/tests/crud_operations_test.rs

//! CRUD operations tests for SAL Kubernetes
//!
//! These tests verify that all Create, Read, Update, Delete operations work correctly.

#[cfg(test)]
mod crud_tests {
    use sal_kubernetes::KubernetesManager;
    use std::collections::HashMap;

    /// Check if Kubernetes integration tests should run
    fn should_run_k8s_tests() -> bool {
        std::env::var("KUBERNETES_TEST_ENABLED").unwrap_or_default() == "1"
    }

    #[tokio::test]
    async fn test_complete_crud_operations() {
        if !should_run_k8s_tests() {
            println!("Skipping CRUD test. Set KUBERNETES_TEST_ENABLED=1 to enable.");
            return;
        }

        println!("🔍 Testing complete CRUD operations...");

        // Create a test namespace for our operations
        let test_namespace = "sal-crud-test";
        let km = KubernetesManager::new("default").await
            .expect("Should connect to cluster");

        // Clean up any existing test namespace
        let _ = km.namespace_delete(test_namespace).await;
        tokio::time::sleep(tokio::time::Duration::from_secs(2)).await;

        // CREATE operations
        println!("\n=== CREATE Operations ===");

        // 1. Create namespace
        km.namespace_create(test_namespace).await
            .expect("Should create test namespace");
        println!("✅ Created namespace: {}", test_namespace);

        // Switch to test namespace
        let test_km = KubernetesManager::new(test_namespace).await
            .expect("Should connect to test namespace");

        // 2. Create ConfigMap
        let mut config_data = HashMap::new();
        config_data.insert("app.properties".to_string(), "debug=true\nport=8080".to_string());
        config_data.insert("config.yaml".to_string(), "key: value\nenv: test".to_string());
        
        let configmap = test_km.configmap_create("test-config", config_data).await
            .expect("Should create ConfigMap");
        println!("✅ Created ConfigMap: {}", configmap.metadata.name.unwrap_or_default());

        // 3. Create Secret
        let mut secret_data = HashMap::new();
        secret_data.insert("username".to_string(), "testuser".to_string());
        secret_data.insert("password".to_string(), "secret123".to_string());
        
        let secret = test_km.secret_create("test-secret", secret_data, None).await
            .expect("Should create Secret");
        println!("✅ Created Secret: {}", secret.metadata.name.unwrap_or_default());

        // 4. Create Pod
        let mut pod_labels = HashMap::new();
        pod_labels.insert("app".to_string(), "test-app".to_string());
        pod_labels.insert("version".to_string(), "v1".to_string());
        
        let pod = test_km.pod_create("test-pod", "nginx:alpine", Some(pod_labels.clone())).await
            .expect("Should create Pod");
        println!("✅ Created Pod: {}", pod.metadata.name.unwrap_or_default());

        // 5. Create Service
        let service = test_km.service_create("test-service", pod_labels.clone(), 80, Some(80)).await
            .expect("Should create Service");
        println!("✅ Created Service: {}", service.metadata.name.unwrap_or_default());

        // 6. Create Deployment
        let deployment = test_km.deployment_create("test-deployment", "nginx:alpine", 2, Some(pod_labels)).await
            .expect("Should create Deployment");
        println!("✅ Created Deployment: {}", deployment.metadata.name.unwrap_or_default());

        // READ operations
        println!("\n=== READ Operations ===");

        // List all resources
        let pods = test_km.pods_list().await.expect("Should list pods");
        println!("✅ Listed {} pods", pods.len());

        let services = test_km.services_list().await.expect("Should list services");
        println!("✅ Listed {} services", services.len());

        let deployments = test_km.deployments_list().await.expect("Should list deployments");
        println!("✅ Listed {} deployments", deployments.len());

        let configmaps = test_km.configmaps_list().await.expect("Should list configmaps");
        println!("✅ Listed {} configmaps", configmaps.len());

        let secrets = test_km.secrets_list().await.expect("Should list secrets");
        println!("✅ Listed {} secrets", secrets.len());

        // Get specific resources
        let pod = test_km.pod_get("test-pod").await.expect("Should get pod");
        println!("✅ Retrieved pod: {}", pod.metadata.name.unwrap_or_default());

        let service = test_km.service_get("test-service").await.expect("Should get service");
        println!("✅ Retrieved service: {}", service.metadata.name.unwrap_or_default());

        let deployment = test_km.deployment_get("test-deployment").await.expect("Should get deployment");
        println!("✅ Retrieved deployment: {}", deployment.metadata.name.unwrap_or_default());

        // Resource counts
        let counts = test_km.resource_counts().await.expect("Should get resource counts");
        println!("✅ Resource counts: {:?}", counts);

        // DELETE operations
        println!("\n=== DELETE Operations ===");

        // Delete individual resources
        test_km.pod_delete("test-pod").await.expect("Should delete pod");
        println!("✅ Deleted pod");

        test_km.service_delete("test-service").await.expect("Should delete service");
        println!("✅ Deleted service");

        test_km.deployment_delete("test-deployment").await.expect("Should delete deployment");
        println!("✅ Deleted deployment");

        test_km.configmap_delete("test-config").await.expect("Should delete configmap");
        println!("✅ Deleted configmap");

        test_km.secret_delete("test-secret").await.expect("Should delete secret");
        println!("✅ Deleted secret");

        // Verify resources are deleted
        let final_counts = test_km.resource_counts().await.expect("Should get final resource counts");
        println!("✅ Final resource counts: {:?}", final_counts);

        // Delete the test namespace
        km.namespace_delete(test_namespace).await.expect("Should delete test namespace");
        println!("✅ Deleted test namespace");

        println!("\n🎉 All CRUD operations completed successfully!");
    }

    #[tokio::test]
    async fn test_error_handling_in_crud() {
        if !should_run_k8s_tests() {
            println!("Skipping CRUD error handling test. Set KUBERNETES_TEST_ENABLED=1 to enable.");
            return;
        }

        println!("🔍 Testing error handling in CRUD operations...");

        let km = KubernetesManager::new("default").await
            .expect("Should connect to cluster");

        // Test creating resources with invalid names
        let result = km.pod_create("", "nginx", None).await;
        assert!(result.is_err(), "Should fail with empty pod name");
        println!("✅ Empty pod name properly rejected");

        // Test getting non-existent resources
        let result = km.pod_get("non-existent-pod").await;
        assert!(result.is_err(), "Should fail to get non-existent pod");
        println!("✅ Non-existent pod properly handled");

        // Test deleting non-existent resources
        let result = km.service_delete("non-existent-service").await;
        assert!(result.is_err(), "Should fail to delete non-existent service");
        println!("✅ Non-existent service deletion properly handled");

        println!("✅ Error handling in CRUD operations is robust");
    }
}