public void To_Should_Parse_Nullable_Values(GraphProtocol protocol)
{
var nodes = new[] { GraphNodeGraphSONTests.GetGraphNode("null", protocol), GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"g:Vertex\", \"@value\": null}", protocol) };
foreach (var node in nodes)
{
Assert.Null(node.To <short?>());
Assert.Null(node.To <int?>());
Assert.Null(node.To <long?>());
Assert.Null(node.To <decimal?>());
Assert.Null(node.To <float?>());
Assert.Null(node.To <double?>());
Assert.Null(node.To <Guid?>());
Assert.Null(node.To <TimeUuid?>());
Assert.Null(node.To <BigInteger?>());
Assert.Null(node.To <Duration?>());
Assert.Null(node.To <DateTimeOffset?>());
}
Assert.AreEqual(1, GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"gx:Int16\", \"@value\": 1}", protocol).To <short?>());
Assert.AreEqual(1, GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"g:Int32\", \"@value\": 1}", protocol).To <int?>());
Assert.AreEqual(1L, GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"g:Int64\", \"@value\": 1}", protocol).To <long?>());
Assert.AreEqual(1M, GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"gx:BigDecimal\", \"@value\": 1}", protocol).To <decimal?>());
Assert.AreEqual(1F, GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"g:Float\", \"@value\": 1}", protocol).To <float?>());
Assert.AreEqual(1D, GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"g:Double\", \"@value\": 1}", protocol).To <double?>());
Assert.AreEqual(null, GraphNodeGraphSONTests.GetGraphNode(
"{\"@type\": \"gx:Int16\", \"@value\": null}", protocol).To <Guid?>());
Assert.AreEqual((TimeUuid)Guid.Parse("2cc83ef0-5da4-11e7-8c51-2578d2fa5d3a"), GraphNodeGraphSONTests.GetGraphNode(
"{\"@type\": \"g:UUID\", \"@value\": \"2cc83ef0-5da4-11e7-8c51-2578d2fa5d3a\"}", protocol).To <TimeUuid?>());
Assert.AreEqual(BigInteger.Parse("1"),
GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"gx:Int16\", \"@value\": 1}", protocol).To <BigInteger?>());
Assert.AreEqual(Duration.Parse("12h"),
GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"gx:Duration\", \"@value\": \"12h\"}", protocol).To <Duration?>());
Assert.AreEqual(DateTimeOffset.Parse("1970-01-01 00:00:01Z"),
GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"g:Timestamp\", \"@value\": 1000}", protocol).To <DateTimeOffset?>());
}
public void To_Should_Parse_Edge_Values()
{
var node = GraphNodeGraphSONTests.GetGraphNode(
@"{
""@type"" : ""g:Edge"",
""@value"" : {
""id"" : { ""@type"" : ""g:Int32"", ""@value"" : 13 },
""label"" : ""develops"",
""inVLabel"" : ""software"",
""outVLabel"" : ""person"",
""inV"" : { ""@type"" : ""g:Int32"",""@value"" : 10 },
""outV"" : {""@type"" : ""g:Int32"",""@value"" : 1 },
""properties"" : { ""since"" : { ""@type"" : ""g:Int32"", ""@value"" : 2009 } }
}
}",
GraphProtocol.GraphSON2);
var edge = node.To <Edge>();
Assert.AreEqual("develops", edge.Label);
Assert.AreEqual("software", edge.InVLabel);
Assert.AreEqual("person", edge.OutVLabel);
Assert.AreEqual(10, edge.InV.To <int>());
Assert.AreEqual(1, edge.OutV.To <int>());
Assert.AreEqual(2009, edge.Properties["since"].To <int>());
Assert.AreEqual(2009, edge.GetProperty("since").Value.To <int>());
Assert.Null(edge.GetProperty("nonExistent"));
}
public void HasProperty_Should_Check_For_JSON_Objects(GraphProtocol protocol)
{
const string json = "{\"prop1\": {\"@type\": \"g:Double\", \"@value\": 789}}";
var node = GraphNodeGraphSONTests.GetGraphNode(json, protocol);
Assert.True(node.HasProperty("prop1"));
Assert.False(node.HasProperty("propZ"));
}
/// <summary>
/// Asserts that To{T}() method returns the expected instance.
/// </summary>
/// <param name="json">The node json</param>
/// <param name="stringValue">The string representation of the expected value</param>
/// <param name="parser">The parser used for the expected value</param>
private static void TestToTypeParsing <T>(string json, string stringValue, Func <string, T> parser)
{
var node = GraphNodeGraphSONTests.GetGraphNode(json, GraphProtocol.GraphSON2);
Assert.AreEqual(node.To <T>(), parser(stringValue));
node = GraphNodeGraphSONTests.GetGraphNode(json, GraphProtocol.GraphSON3);
Assert.AreEqual(node.To <T>(), parser(stringValue));
}
public void ToString_Should_Return_The_String_Representation_Of_Scalars(string json, object value)
{
var node = GraphNodeGraphSONTests.GetGraphNode(json, GraphProtocol.GraphSON3);
Assert.AreEqual(node.ToString(), value.ToString());
node = GraphNodeGraphSONTests.GetGraphNode(json, GraphProtocol.GraphSON2);
Assert.AreEqual(node.ToString(), value.ToString());
}
public void Get_T_Should_Navigate_Properties_Of_Json_Objects(GraphProtocol protocol)
{
const string json = "{\"prop1\": {\"@type\": \"g:Double\", \"@value\": 789}," +
" \"prop2\": true}";
var node = GraphNodeGraphSONTests.GetGraphNode(json, protocol);
Assert.AreEqual(789D, node.Get <double>("prop1"));
Assert.AreEqual(true, node.Get <bool>("prop2"));
}
public void To_Should_Parse_Scalar_Values <T>(string json, T value)
{
var node = GraphNodeGraphSONTests.GetGraphNode(json, GraphProtocol.GraphSON2);
Assert.AreEqual(node.To <T>(), value);
Assert.True(node.IsScalar);
node = GraphNodeGraphSONTests.GetGraphNode(json, GraphProtocol.GraphSON3);
Assert.AreEqual(node.To <T>(), value);
Assert.True(node.IsScalar);
}
public void To_Should_Parse_Null_Vertex_Edge_Or_Path(GraphProtocol protocol)
{
var node = GraphNodeGraphSONTests.GetGraphNode("null", protocol);
Assert.Null(node.To <Vertex>());
Assert.Null(node.To <Edge>());
Assert.Null(node.To <Path>());
Assert.Null(node.To <IVertex>());
Assert.Null(node.To <IEdge>());
Assert.Null(node.To <IPath>());
}
public void Dynamic_Should_Navigate_Properties_Of_GraphSON_Objects(GraphProtocol protocol)
{
dynamic node = GraphNodeGraphSONTests.GetGraphNode(
"{\"@type\": \"g:MyObject\", \"@value\": {" +
"\"id\":{\"@type\":\"g:Int32\",\"@value\":150}," +
"\"label\":\"topic\"" +
"}}", protocol);
int id = node.id;
Assert.AreEqual(150, id);
Assert.AreEqual("topic", node.label.ToString());
}
public void HasProperty_Should_Check_For_TypedGraphSON_Objects(GraphProtocol protocol)
{
const string json = "{\"@type\": \"gex:ObjectTree\", \"@value\": " +
" {" +
" \"prop1\": {\"@type\": \"g:Int32\", \"@value\": 789}," +
" \"prop2\": \"prop2 value\"" +
" }" +
"}";
var node = GraphNodeGraphSONTests.GetGraphNode(json, protocol);
Assert.True(node.HasProperty("prop1"));
Assert.False(node.HasProperty("propZ"));
}
public void To_Should_Parse_Instant_Values(string json, string stringValue, GraphProtocol protocol)
{
var node = GraphNodeGraphSONTests.GetGraphNode(json, protocol);
if (stringValue == null)
{
Assert.AreEqual(null, node.To <DateTimeOffset?>());
}
else
{
Assert.AreEqual(DateTimeOffset.Parse(stringValue, CultureInfo.InvariantCulture), node.To <DateTimeOffset>());
Assert.AreEqual(DateTimeOffset.Parse(stringValue, CultureInfo.InvariantCulture), node.To <DateTimeOffset?>());
}
}
public void To_Should_Throw_For_Structs_With_Null(GraphProtocol protocol)
{
var node = GraphNodeGraphSONTests.GetGraphNode("null", protocol);
Assert.Throws <InvalidOperationException>(() => node.To <short>());
Assert.Throws <InvalidOperationException>(() => node.To <int>());
Assert.Throws <InvalidOperationException>(() => node.To <long>());
Assert.Throws <InvalidOperationException>(() => node.To <decimal>());
Assert.Throws <InvalidOperationException>(() => node.To <float>());
Assert.Throws <InvalidOperationException>(() => node.To <double>());
Assert.Throws <InvalidOperationException>(() => node.To <Guid>());
Assert.Throws <InvalidOperationException>(() => node.To <TimeUuid>());
Assert.Throws <InvalidOperationException>(() => node.To <BigInteger>());
Assert.Throws <InvalidOperationException>(() => node.To <Duration>());
}
public void To_Should_Not_Throw_For_Nullables_With_Null(GraphProtocol protocol)
{
var node = GraphNodeGraphSONTests.GetGraphNode("null", protocol);
Assert.IsNull(node.To <short?>());
Assert.IsNull(node.To <int?>());
Assert.IsNull(node.To <long?>());
Assert.IsNull(node.To <decimal?>());
Assert.IsNull(node.To <float?>());
Assert.IsNull(node.To <double?>());
Assert.IsNull(node.To <Guid?>());
Assert.IsNull(node.To <TimeUuid?>());
Assert.IsNull(node.To <BigInteger?>());
Assert.IsNull(node.To <Duration?>());
}
public void Get_T_Should_Navigate_Properties_Of_TypedGraphSON_Objects(GraphProtocol protocol)
{
const string json = "{\"@type\": \"gex:ObjectTree\", \"@value\": " +
" {" +
" \"prop1\": {\"@type\": \"g:Int32\", \"@value\": 789}," +
" \"prop2\": \"prop2 value\"" +
" }" +
"}";
var node = GraphNodeGraphSONTests.GetGraphNode(json, protocol);
Assert.AreEqual(789, node.Get <int>("prop1"));
Assert.AreEqual("prop2 value", node.Get <string>("prop2"));
var prop = node.Get <IGraphNode>("prop1");
Assert.AreEqual(789, prop.To <int>());
Assert.AreEqual("prop2 value", node.Get <IGraphNode>("prop2").ToString());
}
public void Implicit_Conversion_Operators_Test(GraphProtocol protocol)
{
var intNode = GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"gx:Int16\", \"@value\": 123}", protocol);
Assert.AreEqual(123, (int)intNode);
Assert.AreEqual(123L, (long)intNode);
Assert.AreEqual((short)123, (short)intNode);
string stringValue = GraphNodeGraphSONTests.GetGraphNode("\"something\"", protocol);
Assert.AreEqual("something", stringValue);
bool boolValue = GraphNodeGraphSONTests.GetGraphNode("true", protocol);
Assert.True(boolValue);
var floatNode = GraphNodeGraphSONTests.GetGraphNode("{\"@type\": \"g:Float\", \"@value\": 123.1}", protocol);
Assert.AreEqual(123.1f, (float)floatNode);
Assert.AreEqual((double)123.1f, (double)floatNode);
}
public void To_Should_Parse_Vertex_Values()
{
var node = GraphNodeGraphSONTests.GetGraphNode(
"{\"@type\": \"g:Vertex\", \"@value\": {" +
"\"id\":{\"@type\": \"g:Int32\",\"@value\": 1368843392}," +
"\"label\":\"user\"," +
"\"properties\":{" +
"\"name\":[{\"@type\": \"g:VertexProperty\",\"@value\":{\"id\":{\"@type\":\"g:Int64\",\"@value\":0},\"value\":\"jorge\"}}]," +
"\"age\":[{\"@type\": \"g:VertexProperty\",\"@value\":{\"id\":{\"@type\":\"g:Int64\",\"@value\":1},\"value\":{\"@type\":\"g:Int32\",\"@value\":35}}}]}" +
"}}",
GraphProtocol.GraphSON2);
var vertex = node.To <Vertex>();
Assert.AreEqual("user", vertex.Label);
Assert.AreEqual("jorge", vertex.Properties["name"].ToArray().First().Get <string>("value"));
Assert.AreEqual(35, vertex.Properties["age"].ToArray().First().Get <int>("value"));
var iVertex = node.To <IVertex>();
Assert.AreEqual("user", iVertex.Label);
Assert.AreEqual("jorge", iVertex.GetProperty("name").Value.ToString());
Assert.AreEqual(35, iVertex.GetProperty("age").Value.To <int>());
Assert.Null(iVertex.GetProperty("nonExistent"));
}
public void To_Should_Parse_LineString_Values(string json, string stringValue)
{
GraphNodeGraphSONTests.TestToTypeParsing(json, stringValue, LineString.Parse);
}
public void To_Should_Parse_InetAddress_Values(string json, string stringValue)
{
GraphNodeGraphSONTests.TestToTypeParsing(json, stringValue, IPAddress.Parse);
}
public void To_Should_Parse_Decimal_Values(string json, string stringValue)
{
GraphNodeGraphSONTests.TestToTypeParsing(json, stringValue, str => decimal.Parse(str, CultureInfo.InvariantCulture));
}
public void To_Should_Parse_Path_Values()
{
var node = GraphNodeGraphSONTests.GetGraphNode(
@"{
""@type"" : ""g:Path"",
""@value"" : {
""labels"" : [ [ ], [ ], [ ] ],
""objects"" : [ {
""@type"" : ""g:Vertex"",
""@value"" : {
""id"" : { ""@type"" : ""g:Int32"", ""@value"" : 1 },
""label"" : ""person""
}
}, {
""@type"" : ""g:Vertex"",
""@value"" : {
""id"" : { ""@type"" : ""g:Int32"", ""@value"" : 10 },
""label"" : ""software"",
""properties"" : { ""name"" : [ { ""@type"" : ""g:VertexProperty"", ""@value"" : { ""id"" : { ""@type"" : ""g:Int64"", ""@value"" : 4 }, ""value"" : ""gremlin"", ""vertex"" : { ""@type"" : ""g:Int32"", ""@value"" : 10 }, ""label"" : ""name"" } } ]
}
}
}, {
""@type"" : ""g:Vertex"",
""@value"" : {
""id"" : { ""@type"" : ""g:Int32"", ""@value"" : 11 },
""label"" : ""software"",
""properties"" : {
""name"" : [
{ ""@type"" : ""g:VertexProperty"", ""@value"" : { ""id"" : { ""@type"" : ""g:Int64"", ""@value"" : 5 }, ""value"" : ""tinkergraph"", ""vertex"" : { ""@type"" : ""g:Int32"", ""@value"" : 11 }, ""label"" : ""name"" } } ]
}
}
} ]
}
}",
GraphProtocol.GraphSON2);
var path = node.To <Path>();
Assert.AreEqual(3, path.Labels.Count);
Assert.IsTrue(path.Labels.All(c => c.Count == 0));
var firstVertex = path.Objects.ElementAt(0).To <Vertex>();
Assert.AreEqual(1, firstVertex.Id.To <int>());
Assert.AreEqual("person", firstVertex.Label);
Assert.AreEqual(0, firstVertex.Properties.Count);
var secondVertex = path.Objects.ElementAt(1).To <Vertex>();
Assert.AreEqual(10, secondVertex.Id.To <int>());
Assert.AreEqual("software", secondVertex.Label);
Assert.AreEqual(1, secondVertex.Properties.Count);
Assert.AreEqual(1, secondVertex.Properties.Single().Value.To <IEnumerable <VertexProperty> >().Count());
var secondVertexProperty = secondVertex.GetProperty("name");
Assert.AreEqual(4L, secondVertexProperty.Id.To <long>());
Assert.AreEqual("gremlin", secondVertexProperty.Value.To <string>());
Assert.AreEqual("name", secondVertexProperty.Label);
Assert.AreEqual(10, secondVertexProperty.Vertex.To <int>());
var thirdVertex = path.Objects.ElementAt(2).To <Vertex>();
Assert.AreEqual(11, thirdVertex.Id.To <int>());
Assert.AreEqual("software", thirdVertex.Label);
Assert.AreEqual(1, thirdVertex.Properties.Count);
Assert.AreEqual(1, thirdVertex.Properties.Single().Value.To <IEnumerable <VertexProperty> >().Count());
var thirdVertexProperty = thirdVertex.GetProperty("name");
Assert.AreEqual(5L, thirdVertexProperty.Id.To <long>());
Assert.AreEqual("tinkergraph", thirdVertexProperty.Value.To <string>());
Assert.AreEqual("name", thirdVertexProperty.Label);
Assert.AreEqual(11, thirdVertexProperty.Vertex.To <int>());
}
public void To_Should_Parse_Uuid_Values(string json, string stringValue)
{
GraphNodeGraphSONTests.TestToTypeParsing(json, stringValue, Guid.Parse);
}
public void To_Should_Parse_LocalTime_Values(string json, string stringValue, GraphProtocol protocol)
{
var node = GraphNodeGraphSONTests.GetGraphNode(json, protocol);
Assert.AreEqual(LocalTime.Parse(stringValue), node.To <LocalTime>());
}
public void To_Should_Parse_TimeUuid_Values(string json, string stringValue)
{
GraphNodeGraphSONTests.TestToTypeParsing(json, stringValue, s => (TimeUuid)Guid.Parse(s));
}
public void To_Should_Parse_Blob_Values(string json, string stringValue, GraphProtocol protocol)
{
var node = GraphNodeGraphSONTests.GetGraphNode(json, protocol);
CollectionAssert.AreEqual(Encoding.UTF8.GetBytes(stringValue), node.To <byte[]>());
}
public void To_Should_Parse_Polygon_Values(string json, string stringValue)
{
GraphNodeGraphSONTests.TestToTypeParsing(json, stringValue, Polygon.Parse);
}