public static void AreEqual(IDataItem expected, IDataItem actual)
{
var expectedNames = expected.GetFieldNames();
Assert.IsNotNull(expectedNames, Resources.NullExpectedFieldNames);
var actualNames = actual.GetFieldNames();
Assert.IsNotNull(actualNames, Resources.NullActualFieldNames);
CollectionAssert.AreEquivalent(expectedNames.ToArray(), actualNames.ToArray(), Resources.InvalidFieldNames);
foreach (var fieldName in expectedNames)
{
var expectedValue = expected.GetValue(fieldName);
var actualValue = actual.GetValue(fieldName);
if (expectedValue is IDataItem)
{
Assert.IsTrue(actualValue is IDataItem, Resources.InvalidDataItemFieldValue);
AreEqual((IDataItem)expectedValue, (IDataItem)actualValue);
}
else
{
if (expectedValue != null && expectedValue.GetType().IsValueType)
{
// Try change type to expected for value types to workaround DocumentDB deserialization issue (Int32 are becoming Int64)
try { actualValue = Convert.ChangeType(actualValue, expectedValue.GetType(), CultureInfo.InvariantCulture); } catch { }
}
Assert.AreEqual(expectedValue, actualValue, Resources.InvalidFieldValue);
}
}
}
public void KeepsOnlyIntersectionIncludingRightNumberOfDuplicatesAndExcludesBadItems()
{
DataBinding[] bindings = new DataBinding[] {
new DataBinding(0, null)
};
IDataProvider[] providers = new IDataProvider[] {
Mocks.StrictMock <IDataProvider>(),
Mocks.StrictMock <IDataProvider>(),
Mocks.StrictMock <IDataProvider>()
};
using (Mocks.Record())
{
IDataItem badItem = Mocks.StrictMock <IDataItem>();
Expect.Call(badItem.GetValue(bindings[0])).Throw(new InvalidOperationException("Test exception"));
Expect.Call(providers[0].GetItems(bindings, true)).Return(new IDataItem[] {
new ScalarDataItem <int>(1, null, false),
new ScalarDataItem <int>(2, null, true),
new ScalarDataItem <int>(1, null, false),
new ScalarDataItem <int>(3, null, false),
new ScalarDataItem <int>(6, null, false),
});
Expect.Call(providers[1].GetItems(bindings, true)).Return(new IDataItem[] {
new ScalarDataItem <int>(1, null, false),
new ScalarDataItem <int>(1, null, false),
badItem,
new ScalarDataItem <int>(2, null, true),
new ScalarDataItem <int>(6, null, false),
new ScalarDataItem <int>(1, null, false),
new ScalarDataItem <int>(4, null, false),
});
Expect.Call(providers[2].GetItems(bindings, true)).Return(new IDataItem[] {
new ScalarDataItem <int>(1, null, false),
new ScalarDataItem <int>(1, null, false),
new ScalarDataItem <int>(5, null, false),
new ScalarDataItem <int>(3, null, false),
new ScalarDataItem <int>(2, null, true)
});
}
using (Mocks.Playback())
{
List <IDataItem> items = new List <IDataItem>(IntersectionMergeStrategy.Instance.Merge(providers, bindings, true));
Assert.Count(3, items);
Assert.AreEqual(1, items[0].GetValue(bindings[0]));
Assert.IsFalse(items[0].IsDynamic);
Assert.AreEqual(1, items[1].GetValue(bindings[0]));
Assert.IsFalse(items[1].IsDynamic);
Assert.AreEqual(2, items[2].GetValue(bindings[0]));
Assert.IsTrue(items[2].IsDynamic);
}
}
protected override object GetValueImpl(DataBinding binding)
{
if (binding == null)
{
throw new ArgumentNullException("binding");
}
return(item.GetValue(source.TranslateBinding(binding)));
}
protected static void VerifyDataItem(IReadOnlyDictionary<string, object> expected, IDataItem actual)
{
var actualColumns = actual.GetFieldNames().ToList();
foreach (var key in expected.Keys)
{
Assert.IsTrue(actualColumns.Contains(key), TestResources.PropertyMissingFormat, key);
Assert.AreEqual(expected[key], actual.GetValue(key), TestResources.InvalidPropertyValueFormat, key);
}
}
protected static void VerifyDataItem(IReadOnlyDictionary <string, object> expected, IDataItem actual)
{
var actualColumns = actual.GetFieldNames().ToList();
foreach (var key in expected.Keys)
{
Assert.IsTrue(actualColumns.Contains(key), TestResources.PropertyMissingFormat, key);
Assert.AreEqual(expected[key], actual.GetValue(key), TestResources.InvalidPropertyValueFormat, key);
}
}
private static object[] GetValues(IDataItem item, ICollection <DataBinding> bindings)
{
try
{
return(GenericCollectionUtils.ConvertAllToArray <DataBinding, object>(bindings, delegate(DataBinding binding)
{
return item.GetValue(binding);
}));
}
catch
{
return(null);
}
}
public void GetValueCallsRowsGetValueWithTheBinding()
{
IDataItem item = Mocks.StrictMock <IDataItem>();
DataBinding binding = new DataBinding(0, null);
using (Mocks.Record())
{
Expect.Call(item.GetValue(binding)).Return(42);
}
using (Mocks.Playback())
{
BoundDataAccessor accessor = new BoundDataAccessor(binding);
Assert.AreEqual(42, accessor.GetValue(item));
}
}
public void EliminatesDuplicatesAndIncludesBadItems()
{
DataBinding[] bindings = new DataBinding[] {
new DataBinding(0, null)
};
IDataProvider[] providers = new IDataProvider[] {
Mocks.StrictMock <IDataProvider>(),
Mocks.StrictMock <IDataProvider>(),
Mocks.StrictMock <IDataProvider>()
};
using (Mocks.Record())
{
IDataItem badItem = Mocks.StrictMock <IDataItem>();
Expect.Call(badItem.GetValue(bindings[0])).Repeat.Twice().Throw(new InvalidOperationException("Test exception"));
Expect.Call(providers[0].GetItems(bindings, true)).Return(new IDataItem[] {
new ScalarDataItem <int>(1, null, true),
new ScalarDataItem <int>(1, null, true),
new ScalarDataItem <int>(2, null, false),
});
Expect.Call(providers[1].GetItems(bindings, true)).Return(EmptyArray <IDataItem> .Instance);
Expect.Call(providers[2].GetItems(bindings, true)).Return(new IDataItem[] {
badItem,
new ScalarDataItem <int>(3, null, true),
new ScalarDataItem <int>(2, null, true)
});
}
using (Mocks.Playback())
{
List <IDataItem> items = new List <IDataItem>(UnionMergeStrategy.Instance.Merge(providers, bindings, true));
Assert.Count(4, items);
Assert.AreEqual(1, items[0].GetValue(bindings[0]));
Assert.IsTrue(items[0].IsDynamic);
Assert.AreEqual(2, items[1].GetValue(bindings[0]));
Assert.IsFalse(items[1].IsDynamic);
Assert.Throws <InvalidOperationException>(delegate { items[2].GetValue(bindings[0]); });
Assert.AreEqual(3, items[3].GetValue(bindings[0]));
Assert.IsTrue(items[3].IsDynamic);
}
}
private static int GetDataItemHash(IDataItem dataItem)
{
var result = 0;
foreach (var fieldName in dataItem.GetFieldNames())
{
var value = dataItem.GetValue(fieldName);
if (value == null)
continue;
result ^= fieldName.GetHashCode() ^ (
value is IDataItem
? GetDataItemHash((IDataItem)value)
: GetValueHashCode(value));
}
return result;
}
private static object Bind(IDataAccessor accessor, IDataItem bindingItem, IFormatter formatter)
{
try
{
return(accessor.GetValue(bindingItem));
}
catch (DataBindingException ex)
{
using (TestLog.Failures.BeginSection("Data binding failure"))
{
if (!string.IsNullOrEmpty(ex.Message))
{
TestLog.Failures.WriteLine(ex.Message);
}
bool first = true;
foreach (DataBinding binding in bindingItem.GetBindingsForInformalDescription())
{
if (first)
{
TestLog.Failures.Write("\nAvailable data bindings for this item:\n\n");
first = false;
}
using (TestLog.Failures.BeginMarker(Marker.Label))
{
TestLog.Failures.Write(binding);
TestLog.Failures.Write(": ");
}
TestLog.Failures.WriteLine(bindingItem.GetValue(binding));
}
if (first)
{
TestLog.Failures.Write("\nThis item does not appear to provide any data bindings.\n");
}
}
throw new SilentTestException(TestOutcome.Error);
}
}
public static void AreEqual(IDataItem expected, IDataItem actual)
{
var expectedNames = expected.GetFieldNames();
Assert.IsNotNull(expectedNames, Resources.NullExpectedFieldNames);
var actualNames = actual.GetFieldNames();
Assert.IsNotNull(actualNames, Resources.NullActualFieldNames);
CollectionAssert.AreEquivalent(expectedNames.ToArray(), actualNames.ToArray(), Resources.InvalidFieldNames);
foreach (var fieldName in expectedNames)
{
var expectedValue = expected.GetValue(fieldName);
var actualValue = actual.GetValue(fieldName);
CheckItem(expectedValue, actualValue);
}
}
private static int GetDataItemHash(IDataItem dataItem)
{
var result = 0;
foreach (var fieldName in dataItem.GetFieldNames())
{
var value = dataItem.GetValue(fieldName);
if (value == null)
{
continue;
}
result ^= fieldName.GetHashCode() ^ (
value is IDataItem
? GetDataItemHash((IDataItem)value)
: GetValueHashCode(value));
}
return(result);
}
/// <inheritdoc />
protected override object GetValueImpl(IDataItem item)
{
object value = item.GetValue(binding);
return value;
}
/// <inheritdoc />
protected override object GetValueImpl(IDataItem item)
{
object value = item.GetValue(binding);
return(value);
}
public object GetValue(string fieldName)
{
return(dataItem.GetValue(fieldName));
}
public virtual object GetValue(string fieldName)
{
Guard.NotNull("fieldName", fieldName);
return(dataItem.GetValue(fieldName));
}
private static object Bind(IDataAccessor accessor, IDataItem bindingItem, IFormatter formatter)
{
try
{
return accessor.GetValue(bindingItem);
}
catch (DataBindingException ex)
{
using (TestLog.Failures.BeginSection("Data binding failure"))
{
if (!string.IsNullOrEmpty(ex.Message))
TestLog.Failures.WriteLine(ex.Message);
bool first = true;
foreach (DataBinding binding in bindingItem.GetBindingsForInformalDescription())
{
if (first)
{
TestLog.Failures.Write("\nAvailable data bindings for this item:\n\n");
first = false;
}
using (TestLog.Failures.BeginMarker(Marker.Label))
{
TestLog.Failures.Write(binding);
TestLog.Failures.Write(": ");
}
TestLog.Failures.WriteLine(bindingItem.GetValue(binding));
}
if (first)
TestLog.Failures.Write("\nThis item does not appear to provide any data bindings.\n");
}
throw new SilentTestException(TestOutcome.Error);
}
}
private static object[] GetValues(IDataItem item, ICollection<DataBinding> bindings)
{
try
{
return GenericCollectionUtils.ConvertAllToArray<DataBinding, object>(bindings, delegate(DataBinding binding)
{
return item.GetValue(binding);
});
}
catch
{
return null;
}
}