private static void TestBinaryDecoding()
{
// Test data
var data = "Hello world!";
var binaryData = Encoding.UTF8.GetBytes(data);
var base64Data = Convert.ToBase64String(binaryData);
var ms = new MemoryStream(binaryData);
var binaryDataPrimitive = new Primitive(ms);
var data2 = "Big River";
var binaryData2 = Encoding.UTF8.GetBytes(data2);
var base64Data2 = Convert.ToBase64String(binaryData2);
var ms2 = new MemoryStream(binaryData2);
var binaryData2Primitive = new Primitive(binaryData2);
var binarySet = new PrimitiveList(DynamoDBEntryType.Binary);
binarySet.Add(binaryDataPrimitive);
binarySet.Add(binaryData2Primitive);
var binarySetContents = binarySet.AsListOfByteArray();
var binaryList = new DynamoDBList();
binaryList.Add(binaryDataPrimitive);
binaryList.Add(binaryData2Primitive);
var binaryListContents = binaryList.AsListOfByteArray();
var base64Set = new PrimitiveList(DynamoDBEntryType.String);
base64Set.Add(base64Data);
base64Set.Add(base64Data2);
var base64SetContents = new List <string> {
base64Data, base64Data2
};
// Populate document
var doc = new Document();
doc["Binary"] = binaryData;
doc["BinarySet"] = binarySet;
doc["BinaryList"] = binaryList;
doc["BinaryString"] = base64Data;
// Convert document to JSON
var json = doc.ToJson();
var prettyJson = doc.ToJsonPretty();
CompareJson(json, prettyJson);
// Back to a document
var rt = Document.FromJson(json);
// Test to make sure binary data is strings
var p = rt["Binary"] as Primitive;
Assert.IsNotNull(p);
Assert.AreEqual(DynamoDBEntryType.String, p.Type);
p = rt["BinaryString"] as Primitive;
Assert.IsNotNull(p);
Assert.AreEqual(DynamoDBEntryType.String, p.Type);
var s = rt["BinarySet"] as DynamoDBList;
Assert.IsNotNull(s);
Assert.AreEqual(2, s.Entries.Count);
for (int i = 0; i < s.Entries.Count; i++)
{
var entry = s.Entries[i];
Assert.IsTrue(entry is Primitive);
Assert.AreEqual(DynamoDBEntryType.String, (entry as Primitive).Type);
Assert.AreEqual(base64SetContents[i], entry.AsString());
}
var l = rt["BinaryList"] as DynamoDBList;
Assert.IsNotNull(l);
Assert.AreEqual(2, l.Entries.Count);
for (int i = 0; i < l.Entries.Count; i++)
{
var entry = l.Entries[i];
Assert.IsTrue(entry is Primitive);
Assert.AreEqual(DynamoDBEntryType.String, (entry as Primitive).Type);
Assert.AreEqual(base64SetContents[i], entry.AsString());
}
// Add a base64 set (SS, with base64 items)
rt["BinarySet2"] = base64Set;
// Decode all base64-encoded attributes
rt.DecodeBase64Attributes("Binary", "BinarySet", "BinaryList", "BinarySet2", "BinaryString", "FakeAttribute");
// Test to make sure attributes are binary
var dp = rt["Binary"] as Primitive;
Assert.IsNotNull(dp);
Assert.AreEqual(DynamoDBEntryType.Binary, dp.Type);
CollectionAssert.AreEqual(binaryData, dp.AsByteArray());
dp = rt["BinaryString"] as Primitive;
Assert.IsNotNull(dp);
Assert.AreEqual(DynamoDBEntryType.Binary, dp.Type);
CollectionAssert.AreEqual(binaryData, dp.AsByteArray());
var dl = rt["BinaryList"] as DynamoDBList;
Assert.IsNotNull(dl);
Assert.AreEqual(2, dl.Entries.Count);
for (int i = 0; i < dl.Entries.Count; i++)
{
var entry = dl.Entries[i];
Assert.IsTrue(entry is Primitive);
Assert.AreEqual(DynamoDBEntryType.Binary, (entry as Primitive).Type);
CollectionAssert.AreEqual(entry.AsByteArray(), binarySetContents[i]);
}
dl = rt["BinarySet"] as DynamoDBList;
Assert.IsNotNull(dl);
Assert.AreEqual(2, dl.Entries.Count);
for (int i = 0; i < dl.Entries.Count; i++)
{
var entry = dl.Entries[i];
Assert.IsTrue(entry is Primitive);
Assert.AreEqual(DynamoDBEntryType.Binary, (entry as Primitive).Type);
CollectionAssert.AreEqual(entry.AsByteArray(), binarySetContents[i]);
}
var ds = rt["BinarySet2"] as PrimitiveList;
Assert.IsNotNull(ds);
Assert.AreEqual(2, ds.Entries.Count);
Assert.AreEqual(DynamoDBEntryType.Binary, ds.Type);
for (int i = 0; i < ds.Entries.Count; i++)
{
var entry = ds.Entries[i];
Assert.IsTrue(entry is Primitive);
Assert.AreEqual(DynamoDBEntryType.Binary, (entry as Primitive).Type);
CollectionAssert.AreEqual(entry.AsByteArray(), binarySetContents[i]);
}
rt["FakeBinaryData"] = "this is fake";
AssertExtensions.ExpectException(() => rt.DecodeBase64Attributes("FakeBinaryData"));
}
