feat: Migrate SAL to Cargo workspace

- Migrate individual modules to independent crates
- Refactor dependencies for improved modularity
- Update build system and testing infrastructure
- Update documentation to reflect new structure

virt/tests/nerdctl_tests.rs

@@ -4,7 +4,7 @@ use sal_virt::nerdctl::{Container, NerdctlError};
 fn test_container_creation() {
     // Test creating a new container
     let result = Container::new("test-container");
-    
+
     match result {
         Ok(container) => {
             assert_eq!(container.name, "test-container");
@@ -25,7 +25,7 @@ fn test_container_creation() {
 fn test_container_from_image() {
     // Test creating a container from an image
     let result = Container::from_image("test-container", "alpine:latest");
-    
+
     match result {
         Ok(container) => {
             assert_eq!(container.name, "test-container");
@@ -45,7 +45,7 @@ fn test_container_from_image() {
 #[test]
 fn test_container_builder_pattern() {
     let result = Container::from_image("test-app", "nginx:alpine");
-    
+
     match result {
         Ok(container) => {
             // Test builder pattern methods
@@ -60,18 +60,27 @@ fn test_container_builder_pattern() {
                 .with_restart_policy("always")
                 .with_health_check("curl -f http://localhost/ || exit 1")
                 .with_detach(true);
-            
+
             // Verify configuration
             assert_eq!(configured_container.name, "test-app");
             assert_eq!(configured_container.image, Some("nginx:alpine".to_string()));
             assert_eq!(configured_container.ports, vec!["8080:80"]);
             assert_eq!(configured_container.volumes, vec!["/host/data:/app/data"]);
-            assert_eq!(configured_container.env_vars.get("ENV_VAR"), Some(&"test_value".to_string()));
-            assert_eq!(configured_container.network, Some("test-network".to_string()));
+            assert_eq!(
+                configured_container.env_vars.get("ENV_VAR"),
+                Some(&"test_value".to_string())
+            );
+            assert_eq!(
+                configured_container.network,
+                Some("test-network".to_string())
+            );
             assert_eq!(configured_container.network_aliases, vec!["app-alias"]);
             assert_eq!(configured_container.cpu_limit, Some("0.5".to_string()));
             assert_eq!(configured_container.memory_limit, Some("512m".to_string()));
-            assert_eq!(configured_container.restart_policy, Some("always".to_string()));
+            assert_eq!(
+                configured_container.restart_policy,
+                Some("always".to_string())
+            );
             assert!(configured_container.health_check.is_some());
             assert!(configured_container.detach);
         }
@@ -88,17 +97,15 @@ fn test_container_builder_pattern() {
 #[test]
 fn test_container_reset() {
     let result = Container::from_image("test-container", "alpine:latest");
-    
+
     match result {
         Ok(container) => {
             // Configure the container
-            let configured = container
-                .with_port("8080:80")
-                .with_env("TEST", "value");
-            
+            let configured = container.with_port("8080:80").with_env("TEST", "value");
+
             // Reset should clear configuration but keep name and image
             let reset_container = configured.reset();
-            
+
             assert_eq!(reset_container.name, "test-container");
             assert_eq!(reset_container.image, Some("alpine:latest".to_string()));
             assert!(reset_container.ports.is_empty());
@@ -120,7 +127,7 @@ fn test_nerdctl_error_types() {
     // Test that our error types work correctly
     let error = NerdctlError::CommandFailed("Test error".to_string());
     assert!(matches!(error, NerdctlError::CommandFailed(_)));
-    
+
     let error_msg = format!("{}", error);
     assert!(error_msg.contains("Test error"));
 }
@@ -128,7 +135,7 @@ fn test_nerdctl_error_types() {
 #[test]
 fn test_container_multiple_ports_and_volumes() {
     let result = Container::from_image("multi-config", "nginx:latest");
-    
+
     match result {
         Ok(container) => {
             let configured = container
@@ -138,15 +145,19 @@ fn test_container_multiple_ports_and_volumes() {
                 .with_volume("/data2:/app/data2")
                 .with_env("VAR1", "value1")
                 .with_env("VAR2", "value2");
-            
+
             assert_eq!(configured.ports.len(), 2);
             assert!(configured.ports.contains(&"8080:80".to_string()));
             assert!(configured.ports.contains(&"8443:443".to_string()));
-            
+
             assert_eq!(configured.volumes.len(), 2);
-            assert!(configured.volumes.contains(&"/data1:/app/data1".to_string()));
-            assert!(configured.volumes.contains(&"/data2:/app/data2".to_string()));
-            
+            assert!(configured
+                .volumes
+                .contains(&"/data1:/app/data1".to_string()));
+            assert!(configured
+                .volumes
+                .contains(&"/data2:/app/data2".to_string()));
+
             assert_eq!(configured.env_vars.len(), 2);
             assert_eq!(configured.env_vars.get("VAR1"), Some(&"value1".to_string()));
             assert_eq!(configured.env_vars.get("VAR2"), Some(&"value2".to_string()));