public void MismatchedKeyBehaviourThrow(IEnumerable <KeyValuePair <string, object> > additionalExpectedValues, IEnumerable <KeyValuePair <string, object> > additionalActualValues)
{
var comparer = new ObjectComparer
{
ObjectComparerMismatchedKeysBehaviour = ObjectComparerMismatchedKeysBehaviour.Throw,
ObjectComparerNoAvailablePluginBehaviour = ObjectComparerNoAvailablePluginBehaviour.Throw
};
var matchingValues = Enumerable.Range(1, 20).Select(i => new KeyValuePair <string, object>(i.ToString(), i));
var expectedValues = matchingValues.Concat(additionalExpectedValues ?? Enumerable.Empty <KeyValuePair <string, object> >());
var actualValues = matchingValues.Concat(additionalActualValues ?? Enumerable.Empty <KeyValuePair <string, object> >());
var mockPlugin = new Mock <IObjectComparerPlugin>(MockBehavior.Strict);
foreach (var matchingValue in matchingValues)
{
mockPlugin.Setup(x => x.TryCompare(matchingValue.Key, It.IsAny <object>(), It.IsAny <object>())).
Returns(new ObjectComparerPluginResults {
ComparisonResultType = ComparisonResultType.Equal
});
}
comparer.ComparisonPlugins.Add(mockPlugin.Object);
Assert.Throws <NotSupportedException>(() => { comparer.CompareValues(expectedValues, actualValues); });
}
public void MismatchedKeyBehaviourIgnore(IEnumerable <KeyValuePair <string, object> > additionalExpectedValues, IEnumerable <KeyValuePair <string, object> > additionActualValues)
{
var comparer = new ObjectComparer
{
ObjectComparerMismatchedKeysBehaviour = ObjectComparerMismatchedKeysBehaviour.Ignore,
ObjectComparerNoAvailablePluginBehaviour = ObjectComparerNoAvailablePluginBehaviour.Throw
};
var matchingValues = Enumerable.Range(1, 20).Select(i => new KeyValuePair <string, object>(i.ToString(), i));
var expectedValues = matchingValues.Concat(additionalExpectedValues ?? Enumerable.Empty <KeyValuePair <string, object> >());
var actualValues = matchingValues.Concat(additionActualValues ?? Enumerable.Empty <KeyValuePair <string, object> >());
var mockPlugin = new Mock <IObjectComparerPlugin>(MockBehavior.Strict);
foreach (var matchingValue in matchingValues)
{
mockPlugin.Setup(x => x.TryCompare(matchingValue.Key, It.IsAny <object>(), It.IsAny <object>())).
Returns(new ObjectComparerPluginResults {
ComparisonResultType = ComparisonResultType.Equal
}).
Verifiable();
}
comparer.ComparisonPlugins.Add(mockPlugin.Object);
var results = comparer.CompareValues(expectedValues, actualValues);
Assert.NotNull(results);
var resultsAsList = results.ToList();
Assert.Empty(resultsAsList);
mockPlugin.Verify();
}
public void NoPlugin_Throw()
{
var comparer = new ObjectComparer()
{
ObjectComparerNoAvailablePluginBehaviour = ObjectComparerNoAvailablePluginBehaviour.Throw
};
Assert.Throws <InvalidOperationException>(() => comparer.CompareValues(
new[] { new KeyValuePair <string, object>("key", 1) },
new[] { new KeyValuePair <string, object>("key", 1) }).
ToList());
}
public void MismatchedKeyBehaviourReport(IEnumerable <KeyValuePair <string, object> > additionalExpectedValues, IEnumerable <KeyValuePair <string, object> > additionalActualValues)
{
var comparer = new ObjectComparer
{
ObjectComparerMismatchedKeysBehaviour = ObjectComparerMismatchedKeysBehaviour.ReportAsDifference,
ObjectComparerNoAvailablePluginBehaviour = ObjectComparerNoAvailablePluginBehaviour.Throw
};
var matchingValues = Enumerable.Range(1, 20).Select(i => new KeyValuePair <string, object>(i.ToString(), i));
var expectedValues = matchingValues.Concat(additionalExpectedValues ?? Enumerable.Empty <KeyValuePair <string, object> >());
var actualValues = matchingValues.Concat(additionalActualValues ?? Enumerable.Empty <KeyValuePair <string, object> >());
var mockPlugin = new Mock <IObjectComparerPlugin>(MockBehavior.Strict);
foreach (var matchingValue in matchingValues)
{
mockPlugin.Setup(x => x.TryCompare(matchingValue.Key, It.IsAny <object>(), It.IsAny <object>())).
Returns(new ObjectComparerPluginResults {
ComparisonResultType = ComparisonResultType.Equal
});
}
comparer.ComparisonPlugins.Add(mockPlugin.Object);
var results = comparer.CompareValues(expectedValues, actualValues);
Assert.NotNull(results);
var resultsAsList = results.ToList();
Assert.NotEmpty(resultsAsList);
IEnumerable <KeyValuePair <string, ComparisonResults> > expectedDifferences = Enumerable.Empty <KeyValuePair <string, ComparisonResults> >();
if (additionalExpectedValues != null)
{
expectedDifferences = expectedDifferences.Concat(additionalExpectedValues.Select(pair => new KeyValuePair <string, ComparisonResults>(pair.Key, new ComparisonResults {
ExpectedValue = pair.Value
})));
}
if (additionalActualValues != null)
{
expectedDifferences = expectedDifferences.Concat(additionalActualValues.Select(pair => new KeyValuePair <string, ComparisonResults>(pair.Key, new ComparisonResults {
ActualValue = pair.Value
})));
}
expectedDifferences.OrderBy(pair => pair.Key).Should().
BeEquivalentTo(resultsAsList.OrderBy(pair => pair.Key));
}
public void NullValuesMatch()
{
var comparer = new ObjectComparer()
{
ObjectComparerNoAvailablePluginBehaviour = ObjectComparerNoAvailablePluginBehaviour.Throw
};
var response = comparer.CompareValues(
new[] { new KeyValuePair <string, object>("key", null) },
new[] { new KeyValuePair <string, object>("key", null) });
Assert.NotNull(response);
Assert.Empty(response);
}
public void DuplicateExpectedValues()
{
var comparer = new ObjectComparer();
var expectedValues = new[]
{
new KeyValuePair <string, object>("key1", 2),
new KeyValuePair <string, object>("key1", 3)
};
var actualValues = Array.Empty <KeyValuePair <string, object> >();
Assert.Throws <InvalidOperationException>(() => comparer.CompareValues(expectedValues, actualValues));
}
public void NoPlugin_Ignore()
{
var comparer = new ObjectComparer()
{
ObjectComparerNoAvailablePluginBehaviour = ObjectComparerNoAvailablePluginBehaviour.Ignore
};
var output = comparer.CompareValues(
new[] { new KeyValuePair <string, object>("key", 2.3d) },
new[] { new KeyValuePair <string, object>("key", 2.4f) });
Assert.NotNull(output);
var outputAsList = output.ToList();
Assert.Empty(outputAsList);
}
public void NoPlugin_ReportAsDifference()
{
var comparer = new ObjectComparer()
{
ObjectComparerNoAvailablePluginBehaviour = ObjectComparerNoAvailablePluginBehaviour.ReportAsDifference
};
var output = comparer.CompareValues(
new[] { new KeyValuePair <string, object>("key", 2.3d) },
new[] { new KeyValuePair <string, object>("key", 2.4f) });
Assert.NotNull(output);
var outputAsList = output.ToList();
Assert.Single(outputAsList);
var first = output.First();
Assert.Equal("key", first.Key);
Assert.Equal(2.3d, first.Value.ExpectedValue);
Assert.Equal(2.4f, first.Value.ActualValue);
Assert.Null(first.Value.ComparisonPayload);
}
public void NullExpectedValues()
{
var comparer = new ObjectComparer();
Assert.Throws <ArgumentNullException>(() => comparer.CompareValues(null, Array.Empty <KeyValuePair <string, object> >()));
}