public void ReturnsNullWhenKeyNotFound()
{
// Given
MetadataDictionary initialMetadata = new MetadataDictionary();
MetadataStack metadata = new MetadataStack(initialMetadata);
// When
IReadOnlyList <IDocument> result = metadata.DocumentList("A");
// Then
Assert.IsNull(result);
}
public void ReturnsEmptyListForSingleInt()
{
// Given
MetadataDictionary initialMetadata = new MetadataDictionary {
["A"] = 1
};
MetadataStack metadata = new MetadataStack(initialMetadata);
// When
IReadOnlyList <IDocument> result = metadata.DocumentList("A");
// Then
Assert.IsNotNull(result);
CollectionAssert.IsEmpty(result);
}
public void ReturnsListForSingleDocument()
{
// Given
IDocument a = new TestDocument();
MetadataDictionary initialMetadata = new MetadataDictionary {
["A"] = a
};
MetadataStack metadata = new MetadataStack(initialMetadata);
// When
IReadOnlyList <IDocument> result = metadata.DocumentList("A");
// Then
Assert.IsNotNull(result);
CollectionAssert.AreEqual(new[] { a }, result);
}
public void ReturnsListForList()
{
// Given
IDocument a = Substitute.For <IDocument>();
IDocument b = Substitute.For <IDocument>();
IDocument c = Substitute.For <IDocument>();
MetadataDictionary initialMetadata = new MetadataDictionary {
["A"] = new List <IDocument> {
a, b, c
}
};
MetadataStack metadata = new MetadataStack(initialMetadata);
// When
IReadOnlyList <IDocument> result = metadata.DocumentList("A");
// Then
Assert.IsNotNull(result);
CollectionAssert.AreEqual(new [] { a, b, c }, result);
}
public IReadOnlyList <IDocument> DocumentList(string key) => _metadata.DocumentList(key);