public void GetChangeType_WhenModelIsNotTracked_ThrowsArgumentException()
{
ChangeDetectionService cds = MakeService();
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry <ModelToAudit> entity = Context.Entry(new ModelToAudit());
Assert.Throws <ArgumentException>(() => cds.GetChangeType(entity));
}
public void SerializeEntityChanges_WhenChangeTypeInvalid_ThrowsArgumentOutOfRangeException()
{
ChangeDetectionService cds = MakeService();
ModelToAudit model = GenerateModel(false);
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry <ModelToAudit> entity = Context.Entry(model);
Assert.Throws <ArgumentOutOfRangeException>(() => cds.SerializeEntityChanges((AuditedOperationTypeEnum)5, entity));
}
public void GetChangeType_WhenModelMemberIsUpdated_ReturnsUpdate()
{
ChangeDetectionService cds = MakeService();
ModelToAudit model = GenerateModel();
model.Name = Guid.NewGuid().ToString();
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry <ModelToAudit> entity = Context.Entry(model);
AuditedOperationTypeEnum changeType = cds.GetChangeType(entity);
Assert.AreEqual(AuditedOperationTypeEnum.Update, changeType);
}
public void SerializeEntityChanges_WhenEntityIsDeleted_SerializesEntityToBefore()
{
ChangeDetectionService cds = MakeService();
ModelToAudit model = GenerateModel();
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry <ModelToAudit> entity = Context.Entry(model);
(string before, string after) = cds.SerializeEntityChanges(AuditedOperationTypeEnum.Delete, entity);
Assert.IsNotNull(before);
Assert.IsNull(after);
}
public void GetChangeType_WhenModelIsAttachedWithId_ReturnsUpdate()
{
ChangeDetectionService cds = MakeService();
ModelToAudit model = GenerateModel(false);
Context.Attach(model);
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry <ModelToAudit> entity = Context.Entry(model);
AuditedOperationTypeEnum changeType = cds.GetChangeType(entity);
Assert.AreEqual(AuditedOperationTypeEnum.Update, changeType);
}
public void SerializeEntityChanges_WhenModelIsSelfReferencing_IgnoresSelfReferencing()
{
ChangeDetectionService cds = MakeService();
ModelToAudit model = GenerateModel();
model.OneToOneChildModel = new OneToOneChildModel {
Parent = model
};
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry <ModelToAudit> entity = Context.Entry(model);
(string _, string afterJson) = cds.SerializeEntityChanges(AuditedOperationTypeEnum.Insert, entity);
Dictionary <string, object> after = JsonConvert.DeserializeObject <Dictionary <string, object> >(afterJson);
var oneToOne = after[nameof(model.OneToOneChildModel)] as JObject;
Assert.IsNotNull(oneToOne);
Assert.IsNull(oneToOne[nameof(OneToOneChildModel.Parent)]);
}
public void SerializeEntityChanges_WhenEntityIsUpdated_SerializesOnlyChangedMembers()
{
var newName = "New Name";
string originalName;
ChangeDetectionService cds = MakeService();
ModelToAudit model = GenerateModel();
originalName = model.Name;
model.Name = newName;
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry <ModelToAudit> entity = Context.Entry(model);
(string beforeJson, string afterJson) = cds.SerializeEntityChanges(AuditedOperationTypeEnum.Update, entity);
Dictionary <string, object> before = JsonConvert.DeserializeObject <Dictionary <string, object> >(beforeJson);
Dictionary <string, object> after = JsonConvert.DeserializeObject <Dictionary <string, object> >(afterJson);
Assert.IsTrue(before.Count == 1);
Assert.AreEqual(nameof(model.Name), before.First().Key);
Assert.AreEqual(originalName, before.First().Value);
Assert.IsTrue(after.Count == 1);
Assert.AreEqual(nameof(model.Name), after.First().Key);
Assert.AreEqual(newName, after.First().Value);
}
