public void AbleToAddObjectListItemThenApplyViaPatch()
{
var testObj = GetSimpleTestObject();
PopulateObjectListOnTestClass(testObj);
var updatedTestObj = GetSimpleTestObject();
PopulateObjectListOnTestClass(updatedTestObj);
updatedTestObj.ListOfObjectProperty.Add(new TestClass {
StringProperty = "added"
});
var diff = ObjectDiffPatch.GenerateDiff(testObj, updatedTestObj);
var updatePatch = JsonConvert.SerializeObject(diff.NewValues);
var objToUpdate = GetSimpleTestObject();
PopulateObjectListOnTestClass(objToUpdate);
var updatedObj = ObjectDiffPatch.PatchObject(objToUpdate, updatePatch);
Assert.AreEqual(updatedTestObj.ListOfObjectProperty.Count, updatedObj.ListOfObjectProperty.Count);
var addedListItem = updatedObj.ListOfObjectProperty.SingleOrDefault(obj => obj != null && obj.StringProperty == "added");
Assert.IsNotNull(addedListItem);
}
/// <summary>
/// Asserts that the current <see cref="JToken" /> is equivalent to the <paramref name="expected" /> element,
/// using its <see cref="JToken.DeepEquals(JToken, JToken)" /> implementation.
/// </summary>
/// <param name="expected">The expected element</param>
/// <param name="because">
/// A formatted phrase as is supported by <see cref="string.Format(string,object[])" /> explaining why the assertion
/// is needed. If the phrase does not start with the word <i>because</i>, it is prepended automatically.
/// </param>
/// <param name="becauseArgs">
/// Zero or more objects to format using the placeholders in <see paramref="because" />.
/// </param>
public AndConstraint <JTokenAssertions> BeEquivalentTo(JToken expected, string because,
params object[] becauseArgs)
{
ObjectDiffPatchResult diff = ObjectDiffPatch.GenerateDiff(Subject, expected);
JToken firstDifferingToken = diff.NewValues?.First ?? diff.OldValues?.First;
Execute.Assertion
.ForCondition(diff.AreEqual)
.BecauseOf(because, becauseArgs)
.FailWith("Expected JSON document {0} to be equivalent to {1}{reason}, but differs at {2}.",
Subject, expected, firstDifferingToken);
return(new AndConstraint <JTokenAssertions>(this));
}
/// <summary>
/// Asserts that the current <see cref="JToken" /> is equivalent to the <paramref name="expected" /> element,
/// using its <see cref="JToken.DeepEquals(JToken, JToken)" /> implementation.
/// </summary>
/// <param name="expected">The expected element</param>
/// <param name="because">
/// A formatted phrase as is supported by <see cref="string.Format(string,object[])" /> explaining why the assertion
/// is needed. If the phrase does not start with the word <i>because</i>, it is prepended automatically.
/// </param>
/// <param name="becauseArgs">
/// Zero or more objects to format using the placeholders in <see paramref="because" />.
/// </param>
public AndConstraint <JTokenAssertions> BeEquivalentTo(JToken expected, string because,
params object[] becauseArgs)
{
ObjectDiffPatchResult diff = ObjectDiffPatch.GenerateDiff(Subject, expected);
JToken firstDifferingToken = diff.NewValues?.First ?? diff.OldValues?.First;
JTokenFormatter formatter = new JTokenFormatter();
Execute.Assertion
.ForCondition(diff.AreEqual)
.BecauseOf(because, becauseArgs)
.FailWith($"Expected JSON document {formatter.ToString(Subject, true)}" +
$" to be equivalent to {formatter.ToString(expected, true)}" +
$"{{reason}}, but differs at {firstDifferingToken}.");
return(new AndConstraint <JTokenAssertions>(this));
}
public void Test_DiffField_handling_nulls()
{
var token = JToken.Parse("{\"field\":\"value\"}");
var result = new ObjectDiffPatchResult();
ObjectDiffPatch.DiffField("field", null, token, result);
result.NewValues["field"].Should().Be(token);
result.NewValues["field"].HasValues.Should().BeTrue();
result.OldValues["field"].HasValues.Should().BeFalse();
result = new ObjectDiffPatchResult();
ObjectDiffPatch.DiffField("field", token, null, result);
result.OldValues["field"].Should().Be(token);
result.OldValues["field"].HasValues.Should().BeTrue();
result.NewValues["field"].HasValues.Should().BeFalse();
}
private static string GetNotEquivalentMessage(JToken actual, JToken expected,
string reason = null, params object[] reasonArgs)
{
var diff = ObjectDiffPatch.GenerateDiff(actual, expected);
var key = diff.NewValues?.First ?? diff.OldValues?.First;
var because = string.Empty;
if (!string.IsNullOrWhiteSpace(reason))
{
because = " because " + string.Format(reason, reasonArgs);
}
var expectedMessage = $"Expected JSON document {_formatter.ToString(actual)}" +
$" to be equivalent to {_formatter.ToString(expected)}" +
$"{because}, but differs at {_formatter.ToString(key)}.";
return(expectedMessage);
}
public void AbleToDiffAndPatchSimpleObject()
{
var testObj = GetSimpleTestObject();
var updatedTestObj = GetSimpleTestObject();
updatedTestObj.StringProperty = "this is an updated string";
updatedTestObj.IntProperty = 5678;
updatedTestObj.DoubleProperty = 123.456;
var diff = ObjectDiffPatch.GenerateDiff(testObj, updatedTestObj);
var revertPatch = JsonConvert.SerializeObject(diff.OldValues);
var revertedObj = ObjectDiffPatch.PatchObject(updatedTestObj, revertPatch);
Assert.AreEqual(testObj.StringProperty, revertedObj.StringProperty);
Assert.AreEqual(testObj.IntProperty, revertedObj.IntProperty);
Assert.AreEqual(testObj.DoubleProperty, revertedObj.DoubleProperty);
}
public void Should_Generate_Diffs_for_POCOs_and_JObjects()
{
var sut = ObjectDiffPatch.GenerateDiff <Dummy>(null, null);
sut.AreEqual.Should().BeTrue();
sut.OldValues.Should().BeNull();
sut.NewValues.Should().BeNull();
var a = new Dummy {
Id = "foo"
};
var ja = JObject.FromObject(a);
sut = ObjectDiffPatch.GenerateDiff(a, null);
sut.AreEqual.Should().BeFalse();
sut.OldValues.Should().Be(ja);
sut.NewValues.Should().BeNull();
sut = ObjectDiffPatch.GenerateDiff(null, a);
sut.AreEqual.Should().BeFalse();
sut.OldValues.Should().BeNull();
sut.NewValues.Should().Be(ja);
var b = new Dummy {
Id = "bar"
};
var jb = JObject.FromObject(b);
sut = ObjectDiffPatch.GenerateDiff(a, b);
sut.AreEqual.Should().BeFalse();
JToken.DeepEquals(sut.OldValues, ja).Should().BeTrue();
JToken.DeepEquals(sut.NewValues, jb).Should().BeTrue();
// now for JObjects
sut = ObjectDiffPatch.GenerateDiff(ja, jb);
sut.AreEqual.Should().BeFalse();
JToken.DeepEquals(sut.OldValues, ja).Should().BeTrue();
JToken.DeepEquals(sut.NewValues, jb).Should().BeTrue();
}
public void AbleToDeleteObjectListItemThenRevertViaPatch()
{
var testObj = GetSimpleTestObject();
PopulateObjectListOnTestClass(testObj);
var updatedTestObj = GetSimpleTestObject();
PopulateObjectListOnTestClass(updatedTestObj);
updatedTestObj.ListOfObjectProperty.RemoveAt(1);
Assert.AreNotEqual(testObj.ListOfObjectProperty.Count, updatedTestObj.ListOfObjectProperty.Count);
var diff = ObjectDiffPatch.GenerateDiff(testObj, updatedTestObj);
var revertPatch = JsonConvert.SerializeObject(diff.OldValues);
var revertedObj = ObjectDiffPatch.PatchObject(updatedTestObj, revertPatch);
Assert.AreEqual(testObj.ListOfObjectProperty.Count, revertedObj.ListOfObjectProperty.Count);
}
public void AbleToDeleteStringListItemThenRevertViaPatch()
{
var testObj = GetSimpleTestObject();
PopulateStringListOnTestClass(testObj);
var updatedTestObj = GetSimpleTestObject();
PopulateStringListOnTestClass(updatedTestObj);
updatedTestObj.ListOfStringProperty.Remove("list");
CollectionAssert.AreNotEqual(testObj.ListOfStringProperty, updatedTestObj.ListOfStringProperty);
var diff = ObjectDiffPatch.GenerateDiff(testObj, updatedTestObj);
var revertPatch = JsonConvert.SerializeObject(diff.OldValues);
var revertedObj = ObjectDiffPatch.PatchObject(updatedTestObj, revertPatch);
CollectionAssert.AreEqual(testObj.ListOfStringProperty, revertedObj.ListOfStringProperty);
}
public void AbleToEditObjectInListThenRevertViaPatch()
{
var testObj = GetSimpleTestObject();
PopulateObjectListOnTestClass(testObj);
var updatedTestObj = GetSimpleTestObject();
PopulateObjectListOnTestClass(updatedTestObj);
updatedTestObj.ListOfObjectProperty[2].IntProperty = 30;
updatedTestObj.ListOfObjectProperty[2].StringProperty = "this is an update to the last object in the list";
updatedTestObj.ListOfObjectProperty[2].DoubleProperty = 33.333;
var diff = ObjectDiffPatch.GenerateDiff(testObj, updatedTestObj);
var revertPatch = JsonConvert.SerializeObject(diff.OldValues);
var revertedObj = ObjectDiffPatch.PatchObject(updatedTestObj, revertPatch);
Assert.AreEqual(testObj.ListOfObjectProperty[2].IntProperty, revertedObj.ListOfObjectProperty[2].IntProperty);
Assert.AreEqual(testObj.ListOfObjectProperty[2].StringProperty, revertedObj.ListOfObjectProperty[2].StringProperty);
Assert.AreEqual(testObj.ListOfObjectProperty[2].DoubleProperty, revertedObj.ListOfObjectProperty[2].DoubleProperty);
}