feat: with rust workspaces

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/cuddle-please-release-strategy/tests/rust_workspace_test.rs

@@ -0,0 +1,60 @@
+use cargo_metadata::{
+    camino::{Utf8Path, Utf8PathBuf},
+    Package,
+};
+use cuddle_please_release_strategy::RustWorkspaceOptions;
+use serde_json::json;
+use tracing_test::traced_test;
+
+#[test]
+#[traced_test]
+fn test_can_read_manifest() {
+    let temp = tempdir::TempDir::new("test_rust_workspace_can_read_manifest").unwrap();
+    let temp_path = temp.path();
+
+    std::fs::write(
+        temp_path.join("Cargo.toml"),
+        r#"
+[workspace]            
+members = [
+  "nested"
+]
+
+[workspace.dependencies]
+nested = { path = "nested" }
+        "#,
+    )
+    .unwrap();
+
+    std::fs::create_dir_all(temp_path.join("nested")).unwrap();
+    std::fs::write(
+        temp_path.join("nested").join("Cargo.toml"),
+        r#"
+[package]
+name = "nested"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+nested.workspace = true
+        "#,
+    )
+    .unwrap();
+    std::fs::create_dir_all(temp_path.join("nested").join("src")).unwrap();
+    std::fs::write(
+        temp_path.join("nested").join("src").join("lib.rs"),
+        r#"
+#[test]
+test () {}
+"#,
+    )
+    .unwrap();
+
+    let options = RustWorkspaceOptions { lock_step: true };
+
+    let members = options.get_workspace(temp_path).unwrap();
+
+    assert!(!members.is_empty());
+    let first = members.first().unwrap();
+    pretty_assertions::assert_eq!("nested", &first.name);
+}