Update testing documentation and improve test structure

tests/test_person.py

@@ -0,0 +1,95 @@
+import pytest
+from doi2dataset import Person, Institution
+
+def test_person_to_dict_with_string_affiliation():
+    """Test Person.to_dict() with a string affiliation."""
+    person = Person(
+        family_name="Doe",
+        given_name="John",
+        orcid="0000-0001-2345-6789",
+        email="john.doe@example.org",
+        affiliation="Test University",
+        project=["Project A"]
+    )
+    
+    result = person.to_dict()
+    
+    assert result["family_name"] == "Doe"
+    assert result["given_name"] == "John"
+    assert result["orcid"] == "0000-0001-2345-6789"
+    assert result["email"] == "john.doe@example.org"
+    assert result["project"] == ["Project A"]
+    assert result["affiliation"] == "Test University"
+
+
+def test_person_to_dict_with_institution_ror():
+    """Test Person.to_dict() with an Institution that has a ROR ID."""
+    inst = Institution("Test University", "https://ror.org/12345")
+    
+    person = Person(
+        family_name="Doe",
+        given_name="John",
+        orcid="0000-0001-2345-6789",
+        email="john.doe@example.org",
+        affiliation=inst,
+        project=["Project A"]
+    )
+    
+    result = person.to_dict()
+    
+    assert result["affiliation"] == "https://ror.org/12345"
+    # Check other fields too
+    assert result["family_name"] == "Doe"
+    assert result["given_name"] == "John"
+
+
+def test_person_to_dict_with_institution_display_name_only():
+    """Test Person.to_dict() with an Institution that has only a display_name."""
+    inst = Institution("Test University")  # No ROR ID
+    
+    person = Person(
+        family_name="Smith",
+        given_name="Jane",
+        orcid="0000-0001-9876-5432",
+        affiliation=inst
+    )
+    
+    result = person.to_dict()
+    
+    assert result["affiliation"] == "Test University"
+    assert result["family_name"] == "Smith"
+    assert result["given_name"] == "Jane"
+
+
+def test_person_to_dict_with_empty_institution():
+    """Test Person.to_dict() with an Institution that has neither ROR nor display_name."""
+    # Create an Institution with empty values
+    inst = Institution("")
+    
+    person = Person(
+        family_name="Brown",
+        given_name="Robert",
+        affiliation=inst
+    )
+    
+    result = person.to_dict()
+    
+    assert result["affiliation"] == ""
+    assert result["family_name"] == "Brown"
+    assert result["given_name"] == "Robert"
+
+
+def test_person_to_dict_with_no_affiliation():
+    """Test Person.to_dict() with no affiliation."""
+    person = Person(
+        family_name="Green",
+        given_name="Alice",
+        orcid="0000-0002-1111-2222"
+    )
+    
+    result = person.to_dict()
+    
+    assert result["affiliation"] == ""
+    assert result["family_name"] == "Green"
+    assert result["given_name"] == "Alice"
+    assert result["orcid"] == "0000-0002-1111-2222"