public void AccessorObtainsAValueFromTheRow()
{
DataBinding binding = new DataBinding(0, null);
ScalarDataBinder binder = new ScalarDataBinder(binding, "name");
IDataSourceResolver resolver = Mocks.StrictMock<IDataSourceResolver>();
DataBindingContext context = new DataBindingContext(new NullConverter());
DataSource source = new DataSource("name");
source.AddDataSet(new ItemSequenceDataSet(new IDataItem[]
{
new ScalarDataItem<int>(42, null, false),
new ScalarDataItem<string>("42", null, false)
}, 1));
using (Mocks.Record())
{
Expect.Call(resolver.ResolveDataSource("name")).Return(source);
}
using (Mocks.Playback())
{
IDataAccessor accessor = binder.Register(context, resolver);
Assert.IsTrue(context.DataSets.Contains(source), "The data sets list should contain the source that was resolved during binder registration.");
List<IDataItem> items = new List<IDataItem>(context.GetItems(true));
Assert.Count(2, items);
Assert.AreEqual(42, accessor.GetValue(items[0]));
Assert.AreEqual("42", accessor.GetValue(items[1]));
}
}
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
for (int i = 1; i <= count; i++)
{
var row = new object[] { i, "Hello from #" + i };
dataSource.AddDataSet(new ItemSequenceDataSet(new IDataItem[] { new ListDataItem<object>(row, GetMetadata(), false) }, row.Length));
}
}
/// <inheritdoc />
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
using (var textReader = OpenTextReader(codeElement))
{
var text = textReader.ReadToEnd();
var dataSet = new ValueSequenceDataSet(new[] { text }, null, false);
dataSource.AddDataSet(dataSet);
}
}
/// <inheritdoc />
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
using (var stream = OpenStream(codeElement))
{
var bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
var dataSet = new ValueSequenceDataSet(new[] { bytes }, null, false);
dataSource.AddDataSet(dataSet);
}
}
/// <inheritdoc />
public DataSource DefineDataSource(string name)
{
if (name == null)
throw new ArgumentNullException("name");
DataSource source;
if (sources != null)
{
if (sources.TryGetValue(name, out source))
return source;
}
else
{
sources = new Dictionary<string, DataSource>();
}
source = new DataSource(name);
sources.Add(name, source);
return source;
}
public void CanBindAppliesNoTranslationIfNoAliasesAreDefined()
{
IDataSet dataSet = Mocks.StrictMock<IDataSet>();
using (Mocks.Record())
{
SetupResult.For(dataSet.ColumnCount).Return(2);
Expect.Call(dataSet.CanBind(null)).IgnoreArguments().Do((CanBindDelegate)delegate(DataBinding binding)
{
Assert.AreEqual("untranslatedPath", binding.Path);
Assert.AreEqual(5, binding.Index);
return false;
});
}
using (Mocks.Playback())
{
DataSource source = new DataSource("theName");
source.AddDataSet(dataSet);
Assert.IsFalse(source.CanBind(new DataBinding(5, "untranslatedPath")));
}
}
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, Gallio.Common.Reflection.ICodeElementInfo codeElement)
{
dataSource.AddDataSet(new SharedDataSet());
base.PopulateDataSource(scope, dataSource, codeElement);
}
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
object[] values = Enumerable.Range(1, count).Select<int, object>(i => Convert.ToChar((Convert.ToInt32('A') + i - 1)).ToString()).ToArray();
dataSource.AddDataSet(new ValueSequenceDataSet(values, GetMetadata(), false));
}
public TranslatedDataItem(DataSource source, IDataItem item)
{
this.source = source;
this.item = item;
}
/// <summary>
/// Populates the data source with the contributions of this attribute.
/// </summary>
/// <param name="scope">The scope.</param>
/// <param name="dataSource">The data source.</param>
/// <param name="codeElement">The code element.</param>
protected virtual void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
}
/// <inheritdoc />
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
var invoker = new FixtureMemberInvoker<IEnumerable>(type, scope, memberName);
var dataSet = new FactoryDataSet(() => invoker.Invoke(), kind, columnCount);
dataSource.AddDataSet(dataSet);
}
public void TranslateBindingSupportsReplaceIndex()
{
JoinedDataSet dataSet = new JoinedDataSet();
DataSource source = new DataSource("dummy");
dataSet.AddDataSet(source);
DataBinding dataBinding = dataSet.TranslateBinding(source, new DataBinding(null, "path"));
Assert.IsNull(dataBinding.Index);
Assert.AreEqual("path", dataBinding.Path);
DataBinding changedDataBinding = dataBinding.ReplaceIndex(5);
Assert.AreEqual(5, changedDataBinding.Index);
Assert.AreEqual("path", dataBinding.Path);
}
public void GetItemsDelegatesToTheStrategy()
{
JoinedDataSet dataSet = new JoinedDataSet();
IList<KeyValuePair<string, string>> metadata1 = new KeyValuePair<string, string>[]
{
new KeyValuePair<string, string>("abc", "123"),
new KeyValuePair<string, string>("def", "456")
};
IList<KeyValuePair<string, string>> metadata2 = new KeyValuePair<string, string>[]
{
new KeyValuePair<string, string>("ghi", "789"),
};
DataSource dataSet1 = new DataSource("");
dataSet1.AddIndexAlias("path", 1);
dataSet1.AddDataSet(new ItemSequenceDataSet(new IDataItem[]
{
new ListDataItem<int>(new int[] { 1, 2, 3 }, metadata1, false),
new ListDataItem<int>(new int[] { -1, -2, -3 }, metadata2, false)
}, 3));
dataSet.AddDataSet(dataSet1);
IDataSet dataSet2 = new ItemSequenceDataSet(new IDataItem[]
{
new ListDataItem<int>(new int[] { 4, 5 }, metadata2, false),
new ListDataItem<int>(new int[] { -4, -5 }, null, true)
}, 2);
dataSet.AddDataSet(dataSet2);
List<IDataItem> dataSet1Items = new List<IDataItem>(dataSet1.GetItems(EmptyArray<DataBinding>.Instance, true));
List<IDataItem> dataSet2Items = new List<IDataItem>(dataSet2.GetItems(EmptyArray<DataBinding>.Instance, true));
List<IList<IDataItem>> results = new List<IList<IDataItem>>();
results.Add(new IDataItem[] { dataSet1Items[0], dataSet2Items[0] });
results.Add(new IDataItem[] { dataSet1Items[1], dataSet2Items[1] });
IJoinStrategy strategy = Mocks.StrictMock<IJoinStrategy>();
dataSet.Strategy = strategy;
DataBinding pathBinding = new DataBinding(null, "path");
DataBinding indexZeroBinding = new DataBinding(0, null);
DataBinding indexOneBinding = new DataBinding(1, null);
DataBinding indexThreeBinding = new DataBinding(3, null);
DataBinding[] bindings = new DataBinding[]
{
new DataBinding(null, null), // unresolvable binding because no data sets can claim it
pathBinding, // claimed by dataSet1
indexZeroBinding, // claimed by dataSet1
indexThreeBinding, // claimed by dataSet2
dataSet.TranslateBinding(dataSet1, pathBinding), // scoped by dataSet1
dataSet.TranslateBinding(dataSet2, indexOneBinding), // scoped by dataSet2
};
using (Mocks.Record())
{
Expect.Call(strategy.Join(null, null, true)).IgnoreArguments().Do((JoinDelegate)delegate(IList<IDataProvider> joinProviders, IList<ICollection<DataBinding>> joinBindingsPerProvider,
bool includeDynamicItems)
{
Assert.IsTrue(includeDynamicItems);
Assert.AreElementsEqual(new IDataProvider[] { dataSet1, dataSet2 }, joinProviders);
Assert.Count(2, joinBindingsPerProvider);
Assert.AreElementsEqual(new DataBinding[] { pathBinding, indexZeroBinding, pathBinding }, joinBindingsPerProvider[0]);
Assert.AreElementsEqual(new DataBinding[] { indexZeroBinding, indexOneBinding }, joinBindingsPerProvider[1]);
return results;
});
}
using (Mocks.Playback())
{
List<IDataItem> items = new List<IDataItem>(dataSet.GetItems(bindings, true));
Assert.Count(2, items);
Assert.Throws<ArgumentNullException>(delegate { items[0].GetValue(null); });
Assert.Throws<DataBindingException>(delegate { items[0].GetValue(bindings[0]); });
Assert.AreEqual(2, items[0].GetValue(bindings[1]));
Assert.AreEqual(1, items[0].GetValue(bindings[2]));
Assert.AreEqual(4, items[0].GetValue(bindings[3]));
Assert.AreEqual(2, items[0].GetValue(bindings[4]));
Assert.AreEqual(5, items[0].GetValue(bindings[5]));
PropertyBag map = DataItemUtils.GetMetadata(items[0]);
Assert.Count(3, map);
Assert.AreEqual("123", map.GetValue("abc"));
Assert.AreEqual("456", map.GetValue("def"));
Assert.AreEqual("789", map.GetValue("ghi"));
Assert.IsFalse(items[0].IsDynamic);
Assert.Throws<DataBindingException>(delegate { items[1].GetValue(bindings[0]); });
Assert.AreEqual(-2, items[1].GetValue(bindings[1]));
Assert.AreEqual(-1, items[1].GetValue(bindings[2]));
Assert.AreEqual(-4, items[1].GetValue(bindings[3]));
Assert.AreEqual(-2, items[1].GetValue(bindings[4]));
Assert.AreEqual(-5, items[1].GetValue(bindings[5]));
map = DataItemUtils.GetMetadata(items[1]);
Assert.Count(1, map);
Assert.AreEqual("789", map.GetValue("ghi"));
Assert.IsTrue(items[1].IsDynamic);
}
}
public void CanBindResolvesScopedBindings()
{
JoinedDataSet dataSet = new JoinedDataSet();
DataSource dataSet1 = new DataSource("");
dataSet1.AddIndexAlias("path", 1);
dataSet1.AddDataSet(new ItemSequenceDataSet(EmptyArray<IDataItem>.Instance, 3));
IDataSet dataSet2 = new ItemSequenceDataSet(EmptyArray<IDataItem>.Instance, 2);
dataSet.AddDataSet(dataSet1);
dataSet.AddDataSet(dataSet2);
Assert.IsFalse(dataSet.CanBind(dataSet.TranslateBinding(dataSet1, new DataBinding(null, null))),
"Cannot bind because there is no path or index in the translated binding.");
Assert.IsFalse(dataSet.CanBind(dataSet.TranslateBinding(dataSet1, new DataBinding(3, null))),
"Cannot bind because index 3 is beyond the range of columns in the scoped data set.");
Assert.IsFalse(dataSet.CanBind(dataSet.TranslateBinding(dataSet2, new DataBinding(2, null))),
"Cannot bind because index 2 is beyond the range of columns in the scoped data set.");
Assert.IsTrue(dataSet.CanBind(dataSet.TranslateBinding(dataSet2, new DataBinding(1, null))),
"Can bind because index 1 is within the range of columns in the scoped data set.");
Assert.IsTrue(dataSet.CanBind(dataSet.TranslateBinding(dataSet1, new DataBinding(null, "path"))),
"Can bind because path is supported by one of the scoped data set.");
Assert.IsFalse(dataSet.CanBind(dataSet.TranslateBinding(dataSet2, new DataBinding(null, "path"))),
"Cannot bind because path is supported by one of the scoped data set.");
}
public void CanBindResolvesExternalBindings()
{
JoinedDataSet dataSet = new JoinedDataSet();
DataSource dataSet1 = new DataSource("");
dataSet1.AddIndexAlias("path", 1);
dataSet1.AddDataSet(new ItemSequenceDataSet(EmptyArray<IDataItem>.Instance, 3));
IDataSet dataSet2 = new ItemSequenceDataSet(EmptyArray<IDataItem>.Instance, 2);
dataSet.AddDataSet(dataSet1);
dataSet.AddDataSet(dataSet2);
Assert.IsFalse(dataSet.CanBind(new DataBinding(null, null)),
"Cannot bind because there is no path or index.");
Assert.IsFalse(dataSet.CanBind(new DataBinding(5, null)),
"Cannot bind because index 5 is beyond the range of columns in the joined data set.");
Assert.IsTrue(dataSet.CanBind(new DataBinding(4, null)),
"Can bind because index 4 is within the range of columns in the joined data set.");
Assert.IsTrue(dataSet.CanBind(new DataBinding(0, null)),
"Can bind because index 0 is within the range of columns in the joined data set.");
Assert.IsTrue(dataSet.CanBind(new DataBinding(null, "path")),
"Can bind because path is supported by one of the data sets.");
}
public void GetItemsAppliesIndexAliasTranslation()
{
List<KeyValuePair<string, string>> metadataPairs = new List<KeyValuePair<string, string>>();
metadataPairs.Add(new KeyValuePair<string, string>("Foo", "Bar"));
IDataSet dataSet = Mocks.StrictMock<IDataSet>();
using (Mocks.Record())
{
SetupResult.For(dataSet.ColumnCount).Return(3);
Expect.Call(dataSet.GetItems(null, true)).IgnoreArguments().Do((GetItemsDelegate)delegate(ICollection<DataBinding> bindings,
bool includeDynamicItems)
{
Assert.IsTrue(includeDynamicItems);
List<IDataItem> items = new List<IDataItem>();
items.Add(new ListDataItem<object>(new object[] { "abc", "def", "ghi" }, metadataPairs, true));
List<DataBinding> bindingList = new List<DataBinding>(bindings);
Assert.AreEqual("translatedPath", bindingList[0].Path);
Assert.AreEqual(2, bindingList[0].Index);
Assert.AreEqual("untranslatedPath", bindingList[1].Path);
Assert.AreEqual(1, bindingList[1].Index);
return items;
});
}
using (Mocks.Playback())
{
DataSource source = new DataSource("theName");
source.AddIndexAlias("translatedPath", 2);
source.AddDataSet(dataSet);
DataBinding[] bindings = new DataBinding[] {
new DataBinding(5, "translatedPath"),
new DataBinding(1, "untranslatedPath")
};
List<IDataItem> items = new List<IDataItem>(source.GetItems(bindings, true));
Assert.Count(1, items);
PropertyBag map = DataItemUtils.GetMetadata(items[0]);
Assert.Count(1, map);
Assert.AreEqual("Bar", map.GetValue("Foo"));
Assert.Throws<ArgumentNullException>(delegate { items[0].GetValue(null); });
Assert.AreEqual("ghi", items[0].GetValue(bindings[0]));
Assert.AreEqual("def", items[0].GetValue(bindings[1]));
// Should throw ArgumentNullException when binding list is null.
Assert.Throws<ArgumentNullException>(delegate
{
items[0].GetValue(null);
});
}
}
public void CanGetDescriptiveDataBindingsFromItem()
{
DataSource dataSet = new DataSource("Source");
dataSet.AddDataSet(new ItemSequenceDataSet(new[] { new DataRow("abc", "def") }, 2));
dataSet.AddIndexAlias("xxx", 1);
List<IDataItem> items = new List<IDataItem>(dataSet.GetItems(EmptyArray<DataBinding>.Instance, true));
Assert.AreElementsEqual(new[]
{
new DataBinding(0, null),
new DataBinding(1, "xxx")
}, items[0].GetBindingsForInformalDescription());
}
/// <inheritdoc />
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
for (int i = 0; i < columnNames.Length; i++)
dataSource.AddIndexAlias(columnNames[i], i);
}
public void NameIsSameAsWasSpecifiedInTheConstructor()
{
DataSource source = new DataSource("theName");
Assert.AreEqual("theName", source.Name);
}
/// <inheritdoc />
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
dataSource.AddDataSet(new ValueSequenceDataSet(GetValues(), GetMetadata(), false));
}
public void AddIndexAliasThrowsIfPathIsNull()
{
DataSource source = new DataSource("theName");
source.AddIndexAlias(null, 2);
}
/// <inheritdoc />
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
var dataSet = new CsvDataSet(() => OpenTextReader(codeElement), IsDynamic);
dataSet.DataLocationName = GetDataLocationName();
dataSet.FieldDelimiter = FieldDelimiter;
dataSet.CommentPrefix = CommentPrefix;
dataSet.HasHeader = HasHeader;
dataSource.AddDataSet(dataSet);
}
/// <inheritdoc />
protected override void PopulateDataSource(IPatternScope scope, DataSource dataSource, ICodeElementInfo codeElement)
{
dataSource.AddDataSet(new ItemSequenceDataSet(new IDataItem[] { new ListDataItem<object>(values, GetMetadata(), false) }, values.Length));
}