Fix path resolution in codegen build tests

Use absolute paths for temporary project directories and dependencies
to improve reliability. Update the generated Cargo.toml with additional
dependencies and remove the offline flag from cargo build.

codegen/tests/test_map_build.rs

@@ -17,8 +17,9 @@ fn test_map_generated_code_builds() {
     );
 
     // 2. Setup a temporary Cargo project to verify the code builds
-    let root = std::env::current_dir().expect("Failed to get current directory");
-    let temp_project_dir = root.join("test_map_gen_project");
+    let codegen_root = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    let project_root = codegen_root.parent().expect("Failed to get project root");
+    let temp_project_dir = std::path::PathBuf::from("/tmp/roto_test_map_gen_project");
 
     // Clean up previous runs
     if temp_project_dir.exists() {
@@ -27,8 +28,7 @@ fn test_map_generated_code_builds() {
 
     // Create new library project
     let status = Command::new("cargo")
-        .args(["new", "--lib", "test_map_gen_project"])
-        .current_dir(&root)
+        .args(["new", "--lib", temp_project_dir.to_str().expect("Invalid path")])
         .status()
         .expect("Failed to run cargo new");
     assert!(status.success(), "cargo new failed");
@@ -38,8 +38,11 @@ fn test_map_generated_code_builds() {
     let cargo_toml_content =
         fs::read_to_string(&cargo_toml_path).expect("Failed to read Cargo.toml");
     let updated_cargo_toml = format!(
-        "{}\n\nroto-codegen = {{ path = \"..\" }}\nroto-runtime = {{ path = \"../../runtime\" }}\nbytes = \"1.7\"\ntonic = \"0.12\"\ntokio-stream = \"0.1\"\n\n[workspace]\n",
-        cargo_toml_content
+        "{}\n\nroto-codegen = {{ path = \"{}\" }}\nroto-runtime = {{ path = \"{}\" }}\nroto-tonic = {{ path = \"{}\" }}\nbytes = \"1.7\"\ntonic = \"0.12\"\ntokio-stream = \"0.1\"\ntower = \"0.4\"\nfutures-util = \"0.3\"\nhttp-body-util = \"0.1\"\nhttp-body = \"1.0\"\n\n[workspace]\n",
+        cargo_toml_content,
+        codegen_root.to_string_lossy(),
+        project_root.join("runtime").to_string_lossy(),
+        project_root.join("roto-tonic").to_string_lossy()
     );
     fs::write(cargo_toml_path, updated_cargo_toml).expect("Failed to write Cargo.toml");
 
@@ -55,7 +58,7 @@ fn test_map_generated_code_builds() {
 
     // 5. Attempt to build the project
     let build_status = Command::new("cargo")
-        .args(["--offline", "build"])
+        .args(["build"])
         .current_dir(&temp_project_dir)
         .status()
         .expect("Failed to run cargo build");

codegen/tests/test_types_build.rs

@@ -17,8 +17,9 @@ fn test_types_generated_code_builds() {
     );
 
     // 2. Setup a temporary Cargo project to verify the code builds
-    let root = std::env::current_dir().expect("Failed to get current directory");
-    let temp_project_dir = root.join("test_types_gen_project");
+    let codegen_root = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    let project_root = codegen_root.parent().expect("Failed to get project root");
+    let temp_project_dir = std::path::PathBuf::from("/tmp/roto_test_types_gen_project");
 
     // Clean up previous runs
     if temp_project_dir.exists() {
@@ -27,8 +28,7 @@ fn test_types_generated_code_builds() {
 
     // Create new library project
     let status = Command::new("cargo")
-        .args(["new", "--lib", "test_types_gen_project"])
-        .current_dir(&root)
+        .args(["new", "--lib", temp_project_dir.to_str().expect("Invalid path")])
         .status()
         .expect("Failed to run cargo new");
     assert!(status.success(), "cargo new failed");
@@ -38,8 +38,11 @@ fn test_types_generated_code_builds() {
     let cargo_toml_content =
         fs::read_to_string(&cargo_toml_path).expect("Failed to read Cargo.toml");
     let updated_cargo_toml = format!(
-        "{}\n\nroto-codegen = {{ path = \"..\" }}\nroto-runtime = {{ path = \"../../runtime\" }}\nbytes = \"1.7\"\ntonic = \"0.12\"\ntokio-stream = \"0.1\"\n\n[workspace]\n",
-        cargo_toml_content
+        "{}\n\nroto-codegen = {{ path = \"{}\" }}\nroto-runtime = {{ path = \"{}\" }}\nroto-tonic = {{ path = \"{}\" }}\nbytes = \"1.7\"\ntonic = \"0.12\"\ntokio-stream = \"0.1\"\ntower = \"0.4\"\nfutures-util = \"0.3\"\nhttp-body-util = \"0.1\"\nhttp-body = \"1.0\"\n\n[workspace]\n",
+        cargo_toml_content,
+        codegen_root.to_string_lossy(),
+        project_root.join("runtime").to_string_lossy(),
+        project_root.join("roto-tonic").to_string_lossy()
     );
     fs::write(cargo_toml_path, updated_cargo_toml).expect("Failed to write Cargo.toml");
 
@@ -60,7 +63,7 @@ fn test_types_generated_code_builds() {
 
     // 5. Attempt to build the project
     let build_status = Command::new("cargo")
-        .args(["--offline", "build"])
+        .args(["build"])
         .current_dir(&temp_project_dir)
         .status()
         .expect("Failed to run cargo build");