make sure null to-one included relationships are serialized with null linkage

Chris Santero · Chris Santero · commit fbc430a7a64f · 2015-07-19T14:55:52.000-04:00
Prior to this change, they were just being ignored.
diff --git a/JSONAPI.Tests/Documents/Builders/RegistryDrivenSingleResourceDocumentBuilderTests.cs b/JSONAPI.Tests/Documents/Builders/RegistryDrivenSingleResourceDocumentBuilderTests.cs
@@ -281,7 +281,8 @@ private void AssertEmptyToOneRelationship(KeyValuePair<string, IRelationshipObje
             relationshipPair.Key.Should().Be(keyName);
             relationshipPair.Value.SelfLink.Href.Should().Be(selfLink);
             relationshipPair.Value.RelatedResourceLink.Href.Should().Be(relatedResourceLink);
-            relationshipPair.Value.Linkage.Should().BeNull();
+            relationshipPair.Value.Linkage.IsToMany.Should().BeFalse();
+            relationshipPair.Value.Linkage.Identifiers.Length.Should().Be(0);
         }
     }
 }
diff --git a/JSONAPI/Documents/Builders/RegistryDrivenDocumentBuilder.cs b/JSONAPI/Documents/Builders/RegistryDrivenDocumentBuilder.cs
@@ -128,6 +128,10 @@ protected ResourceObject CreateResourceObject(object modelObject, IDictionary<st
 
                             linkage = new ToOneResourceLinkage(identifier);
                         }
+                        else
+                        {
+                            linkage = new ToOneResourceLinkage(null);
+                        }
                     }
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -281,7 +281,8 @@ private void AssertEmptyToOneRelationship(KeyValuePair<string, IRelationshipObje`
`281`	`281`	`relationshipPair.Key.Should().Be(keyName);`
`282`	`282`	`relationshipPair.Value.SelfLink.Href.Should().Be(selfLink);`
`283`	`283`	`relationshipPair.Value.RelatedResourceLink.Href.Should().Be(relatedResourceLink);`
`284`		`- relationshipPair.Value.Linkage.Should().BeNull();`
	`284`	`+ relationshipPair.Value.Linkage.IsToMany.Should().BeFalse();`
	`285`	`+ relationshipPair.Value.Linkage.Identifiers.Length.Should().Be(0);`
`285`	`286`	`}`
`286`	`287`	`}`
`287`	`288`	`}`
Original file line number	Diff line number	Diff line change
`@@ -128,6 +128,10 @@ protected ResourceObject CreateResourceObject(object modelObject, IDictionary<st`
`128`	`128`
`129`	`129`	`linkage = new ToOneResourceLinkage(identifier);`
`130`	`130`	`}`
	`131`	`+ else`
	`132`	`+ {`
	`133`	`+ linkage = new ToOneResourceLinkage(null);`
	`134`	`+ }`
`131`	`135`	`}`
`132`	`136`	`}`
`133`	`137`