public void Open_ValidText_Graph()
{
var text = @"<?xml version=""1.0"" encoding=""utf-8""?>
<graph>
<vertex id=""1"" x=""1"" y=""11"" />
<vertex id=""2"" x=""2"" y=""22"" title=""v2"" name=""vertex2""/>
<vertex id=""3"" x=""3"" y=""33"" title=""v3"" color=""Red""/>
<vertex id=""4"" x=""4"" y=""44"" color=""Green""/>
<edge source=""1"" target=""2"" />
<edge source=""2"" target=""3"" directed=""true"" />
<edge source=""3"" target=""4"" directed=""false"" />
<edge source=""4"" target=""1"" directed=""true"" />
</graph>";
var storage = new GxmlFormatStorage();
var graphMock = new Mock <IGraph>();
graphMock.Setup(g => g.FindVertexByIndex(It.IsAny <int>()))
.Returns <int>(index => Mock.Of <IVertex>(v => v.Index == index));
using (var sr = new System.IO.StringReader(text))
{
storage.Open(sr, graphMock.Object);
}
graphMock.Verify(g => g.AddVertex(1, 11, 1, "1", "1", VertexColor.White), Times.Once);
graphMock.Verify(g => g.AddVertex(2, 22, 2, "vertex2", "v2", VertexColor.White), Times.Once);
graphMock.Verify(g => g.AddVertex(3, 33, 3, "3", "v3", VertexColor.Red), Times.Once);
graphMock.Verify(g => g.AddVertex(4, 44, 4, "4", "4", VertexColor.Green), Times.Once);
graphMock.Verify(g => g.AddEdge(It.Is <IVertex>(v1 => v1.Index == 1), It.Is <IVertex>(v2 => v2.Index == 2), false, true), Times.Once);
graphMock.Verify(g => g.AddEdge(It.Is <IVertex>(v2 => v2.Index == 2), It.Is <IVertex>(v3 => v3.Index == 3), true, true), Times.Once);
graphMock.Verify(g => g.AddEdge(It.Is <IVertex>(v3 => v3.Index == 3), It.Is <IVertex>(v4 => v4.Index == 4), false, true), Times.Once);
graphMock.Verify(g => g.AddEdge(It.Is <IVertex>(v4 => v4.Index == 4), It.Is <IVertex>(v1 => v1.Index == 1), true, true), Times.Once);
}
public void Save_ValidGraph_Text()
{
var expectedText = @"<?xml version=""1.0"" encoding=""utf-16""?>
<graph>
<vertex id=""1"" x=""1"" y=""11"" name=""1"" title=""1"" color=""White"" />
<vertex id=""2"" x=""2"" y=""22"" name=""vertex2"" title=""v2"" color=""White"" />
<vertex id=""3"" x=""3"" y=""33"" name=""3"" title=""v3"" color=""Red"" />
<vertex id=""4"" x=""4"" y=""44"" name=""4"" title=""4"" color=""Green"" />
<edge source=""1"" target=""2"" directed=""false"" />
<edge source=""2"" target=""3"" directed=""true"" />
<edge source=""3"" target=""4"" directed=""false"" />
<edge source=""4"" target=""1"" directed=""true"" />
</graph>";
var storage = new GxmlFormatStorage();
var v1 = Mock.Of <IVertex>(v => v.Index == 1 && v.Name == "1" && v.Title == "1" && v.X == 1 && v.Y == 11 && v.Color == VertexColor.White);
var v2 = Mock.Of <IVertex>(v => v.Index == 2 && v.Name == "vertex2" && v.Title == "v2" && v.X == 2 && v.Y == 22 && v.Color == VertexColor.White);
var v3 = Mock.Of <IVertex>(v => v.Index == 3 && v.Name == "3" && v.Title == "v3" && v.X == 3 && v.Y == 33 && v.Color == VertexColor.Red);
var v4 = Mock.Of <IVertex>(v => v.Index == 4 && v.Name == "4" && v.Title == "4" && v.X == 4 && v.Y == 44 && v.Color == VertexColor.Green);
var e12 = Mock.Of <IEdge>(e => e.Source == v1 && e.Target == v2 && e.IsDirected == false);
var e23 = Mock.Of <IEdge>(e => e.Source == v2 && e.Target == v3 && e.IsDirected == true);
var e34 = Mock.Of <IEdge>(e => e.Source == v3 && e.Target == v4 && e.IsDirected == false);
var e41 = Mock.Of <IEdge>(e => e.Source == v4 && e.Target == v1 && e.IsDirected == true);
var graphMock = new Mock <IGraph>();
graphMock.Setup(g => g.Vertices).Returns(new IVertex[] { v1, v2, v3, v4 });
graphMock.Setup(g => g.Edges).Returns(new IEdge[] { e12, e23, e34, e41 });
var sb = new StringBuilder();
using (var sw = new System.IO.StringWriter(sb))
{
storage.Save(sw, graphMock.Object);
}
Assert.AreEqual(expectedText, sb.ToString());
}