feat: dagrunner, initial version

tests/runtimes/compatibility.rs

@@ -0,0 +1,36 @@
+//! Runtime integration tests - verify dagx works correctly across different runtimes
+
+use dagx::{DagResult, DagRunner, Task};
+
+struct Value(i32);
+#[dagx::task]
+impl Value {
+    async fn run(&mut self) -> i32 {
+        self.0
+    }
+}
+
+struct Add;
+#[dagx::task]
+impl Add {
+    async fn run(&mut self, a: &i32, b: &i32) -> i32 {
+        a + b
+    }
+}
+
+#[tokio::test]
+async fn runtime_integration_tokio() -> DagResult<()> {
+    let dag = DagRunner::new();
+
+    let a = dag.add_task(Value(10));
+    let b = dag.add_task(Value(20));
+    let sum = dag.add_task(Add).depends_on((&a, &b));
+
+    dag.run(|fut| {
+        tokio::spawn(fut);
+    })
+    .await?;
+
+    assert_eq!(dag.get(sum)?, 30);
+    Ok(())
+}