Add custom serializer for CreateRequest + tests

tests/test_type_serialization.py

@@ -2,7 +2,7 @@ from base64 import b64encode
 from pathlib import Path
 
 import pytest
-from ollama._types import Image
+from ollama._types import CreateRequest, Image
 import tempfile
 
 
@@ -52,3 +52,67 @@ def test_image_serialization_string_path():
   with pytest.raises(ValueError):
     img = Image(value='not an image')
     img.model_dump()
+
+
+
+
+def test_create_request_serialization():
+    request = CreateRequest(
+        model="test-model",
+        from_="base-model",
+        quantize="q4_0",
+        files={"file1": "content1"},
+        adapters={"adapter1": "content1"},
+        template="test template",
+        license="MIT",
+        system="test system",
+        parameters={"param1": "value1"}
+    )
+    
+    serialized = request.model_dump()
+    assert serialized["from"] == "base-model" 
+    assert "from_" not in serialized 
+    assert serialized["quantize"] == "q4_0"
+    assert serialized["files"] == {"file1": "content1"}
+    assert serialized["adapters"] == {"adapter1": "content1"}
+    assert serialized["template"] == "test template"
+    assert serialized["license"] == "MIT"
+    assert serialized["system"] == "test system"
+    assert serialized["parameters"] == {"param1": "value1"}
+
+
+
+def test_create_request_serialization_exclude_none_true():
+    request = CreateRequest(
+        model="test-model",
+        from_=None,
+        quantize=None
+    )
+    serialized = request.model_dump(exclude_none=True)
+    assert serialized == {"model": "test-model"} 
+    assert "from" not in serialized
+    assert "from_" not in serialized
+    assert "quantize" not in serialized
+
+
+def test_create_request_serialization_exclude_none_false():
+    request = CreateRequest(
+        model="test-model",
+        from_=None,
+        quantize=None
+    )
+    serialized = request.model_dump(exclude_none=False)
+    assert "from" in serialized
+    assert "quantize" in serialized
+    assert "adapters" in serialized
+    assert "from_" not in serialized
+
+
+def test_create_request_serialization_license_list():
+    request = CreateRequest(
+        model="test-model",
+        license=["MIT", "Apache-2.0"]
+    )
+    serialized = request.model_dump()
+    assert serialized["license"] == ["MIT", "Apache-2.0"]
+