feat: 完成 echo 示例节点

tests/test_echo_node.py

@@ -0,0 +1,80 @@
+import runpy
+from pathlib import Path
+
+from wov_node_echo.__main__ import invoke
+from wov_sdk.models import InvokeRequest
+
+
+def test_invoke_text(tmp_path) -> None:
+    response = invoke(
+        InvokeRequest(
+            run_id="run_1",
+            node_instance_id="ni_1",
+            inputs={"text": "hello echo"},
+            output_dir=str(tmp_path),
+        )
+    )
+    assert response.status == "completed"
+    assert response.outputs["text"] == "hello echo"
+    assert Path(response.outputs["file_uri"]).read_text(encoding="utf-8") == "hello echo"
+
+
+def test_invoke_absolute_file(tmp_path) -> None:
+    source = tmp_path / "input.txt"
+    source.write_text("from file", encoding="utf-8")
+    response = invoke(
+        InvokeRequest(
+            run_id="run_2",
+            node_instance_id="ni_2",
+            inputs={"file_uri": str(source)},
+            output_dir=str(tmp_path / "out"),
+        )
+    )
+    assert response.status == "completed"
+    assert response.outputs["text"] == "from file"
+
+
+def test_invoke_relative_file(tmp_path, monkeypatch) -> None:
+    node_root = Path(__file__).resolve().parent.parent
+    source = node_root / "relative_input.txt"
+    source.write_text("relative", encoding="utf-8")
+    monkeypatch.chdir(node_root)
+    try:
+        response = invoke(
+            InvokeRequest(
+                run_id="run_3",
+                node_instance_id="ni_3",
+                inputs={"file_uri": "relative_input.txt"},
+                output_dir=str(tmp_path / "out"),
+            )
+        )
+    finally:
+        source.unlink()
+    assert response.status == "completed"
+    assert response.outputs["text"] == "relative"
+
+
+def test_invoke_default_text(tmp_path) -> None:
+    response = invoke(
+        InvokeRequest(
+            run_id="run_4",
+            node_instance_id="ni_4",
+            inputs={},
+            output_dir=str(tmp_path),
+        )
+    )
+    assert response.status == "completed"
+    assert response.outputs["text"] == "echo"
+
+
+def test_main_entrypoint(monkeypatch, tmp_path) -> None:
+    module_path = Path(__file__).resolve().parent.parent / "wov_node_echo" / "__main__.py"
+    captured = {}
+
+    def fake_run_node(manifest, handler) -> None:
+        captured["manifest"] = manifest
+        assert manifest.id == "echo"
+
+    monkeypatch.setattr("wov_sdk.server.run_node", fake_run_node)
+    runpy.run_path(str(module_path), run_name="__main__")
+    assert captured["manifest"].id == "echo"