public void Compare_ConflictsHaveCorrectValues()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
Property2 = 2,
Property3 = "bar"
};
var merger = MergerHelper.CreateMerger();
var conflicts = merger.CompareAlgorithm.Compare(instance1, instance2);
var conflict = conflicts.First(c => c.PropertyName == "Property1");
Assert.AreEqual(instance1.Property1.ToString(), conflict.SourceValue);
Assert.AreEqual(instance2.Property1.ToString(), conflict.DestinationValue);
conflict = conflicts.First(c => c.PropertyName == "Property2");
Assert.AreEqual(instance1.Property2.ToString(), conflict.SourceValue);
Assert.AreEqual(instance2.Property2.ToString(), conflict.DestinationValue);
conflict = conflicts.First(c => c.PropertyName == "Property3");
Assert.AreEqual(instance1.Property3.ToString(), conflict.SourceValue);
Assert.AreEqual(instance2.Property3.ToString(), conflict.DestinationValue);
}
public void Compare_GeneratesOneConflictPerProperty()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
Property2 = 2,
Property3 = "bar"
};
var merger = MergerHelper.CreateMerger();
var conflicts = merger.CompareAlgorithm.Compare(instance1, instance2);
Assert.AreEqual(3, conflicts.Count());
Assert.IsNotNull(conflicts.FirstOrDefault(c => c.PropertyName == "Property1"));
Assert.IsNotNull(conflicts.FirstOrDefault(c => c.PropertyName == "Property2"));
Assert.IsNotNull(conflicts.FirstOrDefault(c => c.PropertyName == "Property3"));
}
public void Wrapper_AreEqual_CustomComparer_WorksProperly()
{
var property3Wrapper = new PropertyWrapper<MergeTestObject, string>(o => o.Property3, new SoftStringEqualityComparer(StringComparisonOptions.CaseInsensitive));
var instance1 = new MergeTestObject()
{
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property3 = "FOO"
};
Conflict conflict;
Assert.IsTrue(property3Wrapper.AreEqual(instance1, instance2, out conflict));
}
public void WrapperCreator_FromPropertyInfo_WorksProperly()
{
var propertyInfo = typeof(MergeTestObject).GetProperty("Property1");
var propertyWrapper = PropertyWrapperHelper.Create<MergeTestObject>(propertyInfo);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var instance2 = new MergeTestObject();
propertyWrapper.Copy(instance1, instance2);
// this should match the name of whatever property is accessed in the lambda above
Assert.AreEqual("Property1", propertyWrapper.Name);
Assert.AreEqual(instance1.Property1, instance2.Property1);
}
public void WrapperCreator_FromExpression_WorksProperly()
{
Expression<Func<MergeTestObject, int>> expression = o => o.Property1;
var propertyWrapper = PropertyWrapperHelper.Create(expression);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var instance2 = new MergeTestObject();
propertyWrapper.Copy(instance1, instance2);
// this should match the name of whatever property is accessed in the lambda above
Assert.AreEqual("Property1", propertyWrapper.Name);
Assert.AreEqual(instance1.Property1, instance2.Property1);
}
public void WrapperCreator_FromExpression_WorksProperly()
{
Expression<Func<MergeTestObject, int>> expression = o => o.Property1;
var propertyWrapper = PropertyWrapperHelper.Create(expression);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var instance2 = new MergeTestObject();
propertyWrapper.Copy(instance1, instance2);
// this should match the name of whatever property is accessed in the lambda above
Assert.AreEqual("Property1", propertyWrapper.Name);
Assert.AreEqual(instance1.Property1, instance2.Property1);
}
public void WrapperCreator_FromPropertyInfo_WorksProperly()
{
var propertyInfo = typeof(MergeTestObject).GetProperty("Property1");
var propertyWrapper = PropertyWrapperHelper.Create<MergeTestObject>(propertyInfo);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var instance2 = new MergeTestObject();
propertyWrapper.Copy(instance1, instance2);
// this should match the name of whatever property is accessed in the lambda above
Assert.AreEqual("Property1", propertyWrapper.Name);
Assert.AreEqual(instance1.Property1, instance2.Property1);
}
public void CalculateMatchScore_ReturnsZeroForNoMatch()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
Property2 = 2,
Property3 = "bar"
};
var merger = MergerHelper.CreateMerger();
Assert.AreEqual(0, merger.MatchAlgorithm.CalclateMatchIndex(instance1, instance2));
}
public void CalculateMatchScore_ReturnsZeroForNoMatch()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
Property2 = 2,
Property3 = "bar"
};
var merger = MergerHelper.CreateMerger();
Assert.AreEqual(0, merger.MatchAlgorithm.CalclateMatchIndex(instance1, instance2));
}
public void IgnoreProperty_IgnoredPropertiesDontHaveConflicts()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
};
var merger = MergerHelper.CreateMerger();
merger.CompareAlgorithm.IgnoreProperty(o => o.Property1);
var conflicts = merger.CompareAlgorithm.Compare(instance1, instance2);
Assert.IsFalse(conflicts.Any());
}
public void MergeMissing_MergesMissingValue()
{
var comparer = MergeComparer <MergeTestObject> .Create(o => o.ID, true);
var instance1 = new MergeTestObject()
{
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property3 = null
};
comparer.CompareAlgorithm.MergeMissing(instance1, instance2);
Assert.AreEqual(instance1.Property3, instance2.Property3);
Assert.AreEqual("foo", instance1.Property3);
Assert.AreEqual("foo", instance2.Property3);
}
public void MergeMissing_DoesNotOverwriteExistingValue()
{
var comparer = MergeComparer <MergeTestObject> .Create(o => o.ID, true);
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property3 = "bar"
};
comparer.CompareAlgorithm.MergeMissing(instance1, instance2);
Assert.AreNotEqual(instance1.Property3, instance2.Property3);
Assert.AreEqual("foo", instance1.Property3);
Assert.AreEqual("bar", instance2.Property3);
}
public void Wrapper_AreEqual_DefaultComparer_WorksProperly()
{
var property1Wrapper = new PropertyWrapper<MergeTestObject, int>(o => o.Property1);
var property3Wrapper = new PropertyWrapper<MergeTestObject, string>(o => o.Property3);
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = instance1.Property1,
Property3 = instance1.Property3
};
Conflict conflict;
Assert.IsTrue(property1Wrapper.AreEqual(instance1, instance2, out conflict));
Assert.IsTrue(property3Wrapper.AreEqual(instance1, instance2, out conflict));
}
public void Wrapper_Copy_OnlyWrappedPropertiesCopied()
{
var propertyWrapper = new PropertyWrapper<MergeTestObject, int>(o => o.Property1);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var canary = 666;
var instance2 = new MergeTestObject()
{
Property2 = canary,
Property3 = canary.ToString()
};
propertyWrapper.Copy(instance1, instance2);
Assert.AreEqual(canary, instance2.Property2);
Assert.AreEqual(canary.ToString(), instance2.Property3);
}
public void ForProperty_DiscoveredPropertiesAreOverridenWithForProperty()
{
var instance1 = new MergeTestObject()
{
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property3 = "FOO"
};
var merger = MergerHelper.CreateMerger();
// ignore case will result in no conflicts
merger.CompareAlgorithm.ForProperty(o => o.Property3, new SoftStringEqualityComparer(StringComparisonOptions.CaseInsensitive));
var conflicts = merger.CompareAlgorithm.Compare(instance1, instance2);
Assert.IsFalse(conflicts.Any());
}
public void CalculateMatchScore_UsesSpecifiedEqualityComparer()
{
// we'll compare mismatched cases using StringComparer.OrdinalIgnoreCase (specified in MergerHelper.CreateMerger)
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
Property2 = 2,
Property3 = "FOO"
};
var merger = MergerHelper.CreateMerger();
Assert.AreEqual(MergerHelper.Property3Score, merger.MatchAlgorithm.CalclateMatchIndex(instance1, instance2));
}
public void Wrapper_AreEqual_ReturnsFalseAndConflictHasProperValues()
{
var property1Wrapper = new PropertyWrapper<MergeTestObject, int>(o => o.Property1);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var instance2 = new MergeTestObject()
{
Property1 = 2
};
Conflict conflict;
Assert.IsFalse(property1Wrapper.AreEqual(instance1, instance2, out conflict));
Assert.IsNotNull(conflict);
Assert.AreEqual("Property1", conflict.PropertyName); // the property name in the lambda above
Assert.AreEqual(instance1.Property1.ToString(), conflict.SourceValue);
Assert.AreEqual(instance2.Property1.ToString(), conflict.DestinationValue);
}
public void MergeAll_OverwritesAllValues()
{
var comparer = MergeComparer <MergeTestObject> .Create(o => o.ID, true);
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 3,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property2 = 0,
Property3 = "bar"
};
comparer.CompareAlgorithm.MergeAll(instance1, instance2);
Assert.AreEqual(instance1.Property1, instance2.Property1);
Assert.AreEqual(instance1.Property2, instance2.Property2);
Assert.AreEqual(instance1.Property3, instance2.Property3);
}
public void CalculateMatchScore_ReturnsCorrectMatchScoreTotal()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var merger = MergerHelper.CreateMerger();
var totalScore = MergerHelper.Property1Score
+ MergerHelper.Property2Score
+ MergerHelper.Property3Score;
Assert.AreEqual(totalScore, merger.MatchAlgorithm.CalclateMatchIndex(instance1, instance2));
}
public void CalculateMatchScore_ReturnsCorrectMatchScoreTotal()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var merger = MergerHelper.CreateMerger();
var totalScore = MergerHelper.Property1Score
+ MergerHelper.Property2Score
+ MergerHelper.Property3Score;
Assert.AreEqual(totalScore, merger.MatchAlgorithm.CalclateMatchIndex(instance1, instance2));
}
public void IgnoreProperty_IgnoredPropertiesDontHaveConflicts()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
};
var merger = MergerHelper.CreateMerger();
merger.CompareAlgorithm.IgnoreProperty(o => o.Property1);
var conflicts = merger.CompareAlgorithm.Compare(instance1, instance2);
Assert.IsFalse(conflicts.Any());
}
public void CalculateMatchScore_UsesSpecifiedEqualityComparer()
{
// we'll compare mismatched cases using StringComparer.OrdinalIgnoreCase (specified in MergerHelper.CreateMerger)
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
Property2 = 2,
Property3 = "FOO"
};
var merger = MergerHelper.CreateMerger();
Assert.AreEqual(MergerHelper.Property3Score, merger.MatchAlgorithm.CalclateMatchIndex(instance1, instance2));
}
public void Wrapper_Copy_ValueCopied()
{
var propertyWrapper = new PropertyWrapper<MergeTestObject, int>(o => o.Property1);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var instance2 = new MergeTestObject();
propertyWrapper.Copy(instance1, instance2);
Assert.AreEqual(instance1.Property1, instance2.Property1);
}
public void Wrapper_Copy_OnlyWrappedPropertiesCopied()
{
var propertyWrapper = new PropertyWrapper<MergeTestObject, int>(o => o.Property1);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var canary = 666;
var instance2 = new MergeTestObject()
{
Property2 = canary,
Property3 = canary.ToString()
};
propertyWrapper.Copy(instance1, instance2);
Assert.AreEqual(canary, instance2.Property2);
Assert.AreEqual(canary.ToString(), instance2.Property3);
}
public void Wrapper_AreEqual_ReturnsTrueAndNullConflict()
{
var property1Wrapper = new PropertyWrapper<MergeTestObject, int>(o => o.Property1);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var instance2 = new MergeTestObject()
{
Property1 = instance1.Property1
};
Conflict conflict;
Assert.IsTrue(property1Wrapper.AreEqual(instance1, instance2, out conflict));
Assert.IsNull(conflict);
}
public void Wrapper_AreEqual_ReturnsFalseAndConflictHasProperValues()
{
var property1Wrapper = new PropertyWrapper<MergeTestObject, int>(o => o.Property1);
var instance1 = new MergeTestObject()
{
Property1 = 1
};
var instance2 = new MergeTestObject()
{
Property1 = 2
};
Conflict conflict;
Assert.IsFalse(property1Wrapper.AreEqual(instance1, instance2, out conflict));
Assert.IsNotNull(conflict);
Assert.AreEqual("Property1", conflict.PropertyName); // the property name in the lambda above
Assert.AreEqual(instance1.Property1.ToString(), conflict.SourceValue);
Assert.AreEqual(instance2.Property1.ToString(), conflict.DestinationValue);
}
public void MergeMissing_MergesMissingValue()
{
var comparer = MergeComparer<MergeTestObject>.Create(o => o.ID, true);
var instance1 = new MergeTestObject()
{
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property3 = null
};
comparer.CompareAlgorithm.MergeMissing(instance1, instance2);
Assert.AreEqual(instance1.Property3, instance2.Property3);
Assert.AreEqual("foo", instance1.Property3);
Assert.AreEqual("foo", instance2.Property3);
}
public void MergeMissing_DoesNotOverwriteExistingValue()
{
var comparer = MergeComparer<MergeTestObject>.Create(o => o.ID, true);
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property3 = "bar"
};
comparer.CompareAlgorithm.MergeMissing(instance1, instance2);
Assert.AreNotEqual(instance1.Property3, instance2.Property3);
Assert.AreEqual("foo", instance1.Property3);
Assert.AreEqual("bar", instance2.Property3);
}
public void MergeAll_OverwritesAllValues()
{
var comparer = MergeComparer<MergeTestObject>.Create(o => o.ID, true);
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 3,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property2 = 0,
Property3 = "bar"
};
comparer.CompareAlgorithm.MergeAll(instance1, instance2);
Assert.AreEqual(instance1.Property1, instance2.Property1);
Assert.AreEqual(instance1.Property2, instance2.Property2);
Assert.AreEqual(instance1.Property3, instance2.Property3);
}
public void CalculateMatchScore_SameInstanceReturnsMaxPoints()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var merger = MergerHelper.CreateMerger();
Assert.AreEqual(int.MaxValue, merger.MatchAlgorithm.CalclateMatchIndex(instance1, instance1));
}
public void ForProperty_DiscoveredPropertiesAreOverridenWithForProperty()
{
var instance1 = new MergeTestObject()
{
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property3 = "FOO"
};
var merger = MergerHelper.CreateMerger();
// ignore case will result in no conflicts
merger.CompareAlgorithm.ForProperty(o => o.Property3, new SoftStringEqualityComparer(StringComparisonOptions.CaseInsensitive));
var conflicts = merger.CompareAlgorithm.Compare(instance1, instance2);
Assert.IsFalse(conflicts.Any());
}
public void Compare_NullValueConflicts()
{
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = null
};
var instance2 = new MergeTestObject()
{
Property1 = 2,
Property2 = 2,
Property3 = "bar"
};
var instance3 = new MergeTestObject()
{
Property1 = 1,
Property2 = 1,
Property3 = "foo"
};
var instance4 = new MergeTestObject()
{
Property1 = 2,
Property2 = 2,
Property3 = null
};
var merger = MergerHelper.CreateMerger();
//Test a null source and a destination with a value
var conflicts = merger.CompareAlgorithm.Compare(instance1, instance2);
var conflict = conflicts.First(c => c.PropertyName == "Property3");
Assert.IsNull(conflict.SourceValue);
//Test a source with a value and a null destination
conflicts = merger.CompareAlgorithm.Compare(instance3, instance4);
conflict = conflicts.First(c => c.PropertyName == "Property3");
Assert.IsNull(conflict.DestinationValue);
}
public void Merge_OverwritesAllValues()
{
List<MergeTestObject> src, dst;
src = new List<MergeTestObject>();
dst = new List<MergeTestObject>();
var source = new MergeTestObject() { Property1 = 1, Property3 = "foo" };
var destination = new MergeTestObject() { Property1 = 2, Property3 = "bar" };
// match 1 - 1 conflicts
src.Add(source);
dst.Add(destination);
var merger = MergerHelper.CreateMerger();
var mergeResults = merger.Merge(src, dst);
var result = mergeResults.First();
Assert.AreEqual(source.Property1, destination.Property1);
Assert.AreEqual(source.Property2, destination.Property2);
Assert.AreEqual(source.Property3, destination.Property3);
}
public void Wrapper_AreEqual_DefaultComparer_WorksProperly()
{
var property1Wrapper = new PropertyWrapper<MergeTestObject, int>(o => o.Property1);
var property3Wrapper = new PropertyWrapper<MergeTestObject, string>(o => o.Property3);
var instance1 = new MergeTestObject()
{
Property1 = 1,
Property3 = "foo"
};
var instance2 = new MergeTestObject()
{
Property1 = instance1.Property1,
Property3 = instance1.Property3
};
Conflict conflict;
Assert.IsTrue(property1Wrapper.AreEqual(instance1, instance2, out conflict));
Assert.IsTrue(property3Wrapper.AreEqual(instance1, instance2, out conflict));
}
public void Merge_NoConflicts()
{
List<MergeTestObject> src, dst;
src = new List<MergeTestObject>();
dst = new List<MergeTestObject>();
var source = new MergeTestObject() { Property1 = 1, Property3 = "foo" };
var destination = new MergeTestObject() { Property1 = 2, Property3 = "bar" };
// match 1 - 1 conflicts
src.Add(source);
dst.Add(destination);
var merger = MergerHelper.CreateMerger();
var mergeResults = merger.Merge(src, dst);
Assert.IsTrue(mergeResults.All(r => !r.Conflicts.Any()));
}
