public void WritesEmptyStrictGraph()
{
IStringWriter writer = new StringWriterAdapter();
GraphVizWriter g = new GraphVizWriter(writer, Mock.Of <IDotHelper>());
g.StartGraph(GraphMode.Graph, strict: true);
g.EndGraph();
string result = writer.GetStringBuilder().ToString().Trim();
string expected = "strict graph \"\" {" + Environment.NewLine + "}";
Assert.Equal(expected, result);
}
public void GivenNodeWithTwoAttributes_ThenWritesThemCorrectly()
{
IAttrSet attributes = AttrSet.Empty.Width(1).Label("x");
IStringWriter writer = new StringWriterAdapter();
var dotHelperMock = new Mock <IDotHelper>();
dotHelperMock.Setup(m => m.EscapeId(It.IsAny <string>())).Returns((string s) => s);
dotHelperMock.Setup(m => m.GetRecordFromAttribute(It.IsAny <IAttribute>()))
.Returns((IAttribute a) => $"{a.Key}={a.StringValue}");
GraphVizWriter g = new GraphVizWriter(writer, dotHelperMock.Object);
g.Node("z", attributes);
string result = writer.GetStringBuilder().ToString();
string expected = $"z [width=1, label=x];{Environment.NewLine}";
Assert.Equal(expected, result);
}