Add test and docs on serializing results (#49)

README.md

@@ -354,6 +354,18 @@ Works()["W2023271753"].ngrams()
 ```
 
 
+### Serialize
+
+All results from PyAlex can be serialized. For example, save the results to a JSON file:
+
+```python
+with open(Path("works.json"), "w") as f:
+    json.dump(Works().get(), f)
+
+with open(Path("works.json")) as f:
+    works = [Work(w) for w in json.load(f)]
+```
+
 ## Code snippets
 
 A list of awesome use cases of the OpenAlex dataset.

tests/test_pyalex.py

@@ -244,6 +244,17 @@ def test_serializable(tmpdir):
         assert "W4238809453" in json.load(f)["id"]
 
 
+def test_serializable_list(tmpdir):
+    with open(Path(tmpdir, "test.json"), "w") as f:
+        json.dump(Works().get(), f)
+
+    with open(Path(tmpdir, "test.json")) as f:
+        works = [Work(w) for w in json.load(f)]
+
+    assert len(works) == 25
+    assert all(isinstance(w, Work) for w in works)
+
+
 def test_ngrams_without_metadata():
     r = Works()["W2023271753"].ngrams(return_meta=False)