public void GetBsonArrayDiffWithNoDifferences()
{
var arrayA = new BsonArray(Enumerable.Range(1, 5));
var arrayB = new BsonArray(Enumerable.Range(1, 5));
Assert.AreEqual(null, BsonDiff.GetDifferences(arrayA, arrayB).Difference);
Assert.AreEqual(null, BsonDiff.GetDifferences(arrayB, arrayA).Difference);
}
public void ArrayBsonValue()
{
var arrayA = new BsonArray(Enumerable.Range(1, 5));
var arrayB = new BsonArray(Enumerable.Range(1, 5));
Assert.IsFalse(BsonDiff.HasDifferences((BsonValue)arrayA, arrayB));
Assert.IsFalse(BsonDiff.HasDifferences((BsonValue)arrayB, arrayA));
}
public void ArrayHasMissingItems()
{
var arrayA = new BsonArray(Enumerable.Range(1, 5));
var arrayB = new BsonArray(Enumerable.Range(1, 2));
Assert.IsTrue(BsonDiff.HasDifferences(arrayA, arrayB));
Assert.IsTrue(BsonDiff.HasDifferences(arrayB, arrayA));
}
public void NullArray()
{
var arrayA = new BsonArray(Enumerable.Range(1, 5));
Assert.IsTrue(BsonDiff.HasDifferences(arrayA, null));
Assert.IsTrue(BsonDiff.HasDifferences(null, arrayA));
Assert.IsFalse(BsonDiff.HasDifferences((BsonArray)null, null));
}
public void MismatchedValueType()
{
var valueA = (BsonValue) new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
var valueB = BsonValue.Create(123);
Assert.IsTrue(BsonDiff.HasDifferences(valueA, valueB));
Assert.IsTrue(BsonDiff.HasDifferences(valueB, valueA));
}
public void NullValue()
{
var valueA = (BsonValue) new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
Assert.IsTrue(BsonDiff.HasDifferences(valueA, null));
Assert.IsTrue(BsonDiff.HasDifferences(null, valueA));
Assert.IsFalse(BsonDiff.HasDifferences((BsonValue)null, null));
}
public void DocumentHasDifferentBasicPropertyValue()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 30 }
});
Assert.IsTrue(BsonDiff.HasDifferences(documentA, documentB));
Assert.IsTrue(BsonDiff.HasDifferences(documentB, documentA));
}
public void DocumentHasMissingProperties()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 }
});
Assert.IsTrue(BsonDiff.HasDifferences(documentA, documentB));
Assert.IsTrue(BsonDiff.HasDifferences(documentB, documentA));
}
public void DocumentHasSamePropertyCountButDifferentNames()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "YearsOld", 20 },
{ "Name", "Peter" }
});
Assert.IsTrue(BsonDiff.HasDifferences(documentA, documentB));
Assert.IsTrue(BsonDiff.HasDifferences(documentB, documentA));
}
public void GetDocumentDiffWithNoDifferences()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
Assert.IsFalse(BsonDiff.GetDifferences(documentA, documentB).HasDifference);
}
public void DocumentBsonValue()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true }
});
Assert.IsFalse(BsonDiff.HasDifferences((BsonValue)documentA, documentB));
Assert.IsFalse(BsonDiff.HasDifferences((BsonValue)documentB, documentA));
}
/// <summary>
/// Performed prior to saving, this detect changes between the original and current state of entries, updating states where necessary.
/// </summary>
public void DetectChanges()
{
foreach (var typeGroup in EntryLookupByType.Values)
{
for (var i = typeGroup.Count - 1; i >= 0; i--)
{
var entry = typeGroup[i];
if (entry.State == EntityEntryState.NoChanges || entry.State == EntityEntryState.Updated)
{
if (BsonDiff.HasDifferences(entry.OriginalValues, entry.CurrentValues))
{
entry.State = EntityEntryState.Updated;
}
else
{
entry.State = EntityEntryState.NoChanges;
}
}
}
}
}
public void GetDocumentDiffWithNullDocuments()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Michael" }
});
var resultWithSameValues = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Michael" }
});
var resultWithClearedValues = new BsonDocument(new Dictionary <string, object>
{
{ "Age", BsonUndefined.Value },
{ "Name", BsonUndefined.Value }
});
Assert.AreEqual(resultWithClearedValues, BsonDiff.GetDifferences(documentA, null).Difference);
Assert.AreEqual(resultWithSameValues, BsonDiff.GetDifferences(null, documentA).Difference);
}
public void GetBsonArrayDiffWithSameCountButDifferentValues()
{
var arrayA = new BsonArray(new int[] { 1, 2, 3, 4, 5, 6 });
var arrayB = new BsonArray(new int[] { 1, 3, 5, 7, 9, 11 });
var resultWithArrayBAsDefault = new BsonDocument(new Dictionary <string, object>
{
{ "1", 3 },
{ "2", 5 },
{ "3", 7 },
{ "4", 9 },
{ "5", 11 }
});
var resultWithArrayAAsDefault = new BsonDocument(new Dictionary <string, object>
{
{ "1", 2 },
{ "2", 3 },
{ "3", 4 },
{ "4", 5 },
{ "5", 6 }
});
Assert.AreEqual(resultWithArrayBAsDefault, BsonDiff.GetDifferences(arrayA, arrayB).Difference);
Assert.AreEqual(resultWithArrayAAsDefault, BsonDiff.GetDifferences(arrayB, arrayA).Difference);
}
public void GetBsonArrayDiffWithNullArrays()
{
var arrayA = new BsonArray(Enumerable.Range(1, 5));
var resultWithSameValues = new BsonDocument(new Dictionary <string, object>
{
{ "0", 1 },
{ "1", 2 },
{ "2", 3 },
{ "3", 4 },
{ "4", 5 }
});
var resultWithClearedValues = new BsonDocument(new Dictionary <string, object>
{
{ "0", BsonUndefined.Value },
{ "1", BsonUndefined.Value },
{ "2", BsonUndefined.Value },
{ "3", BsonUndefined.Value },
{ "4", BsonUndefined.Value }
});
Assert.AreEqual(resultWithClearedValues, BsonDiff.GetDifferences(arrayA, null).Difference);
Assert.AreEqual(resultWithSameValues, BsonDiff.GetDifferences(null, arrayA).Difference);
Assert.AreEqual(null, BsonDiff.GetDifferences((BsonArray)null, null).Difference);
}
/// <summary>
/// Whether there are any changes between the original and current values of the entity.
/// </summary>
/// <returns></returns>
public static bool HasChanges <TEntity>(this DbEntityEntry <TEntity> entry)
{
return(BsonDiff.HasDifferences(entry.OriginalValues, entry.CurrentValues));
}
public void GetDocumentDiffWithPartialDifferences()
{
var documentA = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 20 },
{ "Name", "Peter" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true },
{ "Comment", string.Empty },
{ "Moderator", false },
{ "ModerationDate", null },
{ "Level", 5 },
{ "ItemIDList", new int[] { 5, 10, 17 } },
{
"NestedDetails",
new Dictionary <string, object>
{
{ "ID", 23 }
}
}
});
var documentB = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 30 },
{ "Name", "Sam" },
{ "RegisteredDate", new DateTime(2017, 10, 1) },
{ "IsActive", true },
{ "Comment", string.Empty },
{ "Moderator", true },
{ "ModerationDate", new DateTime(2017, 10, 5) },
{ "Level", 5 },
{ "ItemIDList", new int[] { 5, 10, 17, 22 } },
{
"NestedDetails",
new Dictionary <string, object>
{
{ "ID", 24 }
}
}
});
var result = new BsonDocument(new Dictionary <string, object>
{
{ "Age", 30 },
{ "Name", "Sam" },
{ "Moderator", true },
{ "ModerationDate", new DateTime(2017, 10, 5) },
{
"ItemIDList",
new Dictionary <string, object>
{
{ "3", 22 }
}
},
{
"NestedDetails",
new Dictionary <string, object>
{
{ "ID", 24 }
}
}
});
Assert.AreEqual(result, BsonDiff.GetDifferences(documentA, documentB).Difference);
}