public static string ToGraphviz(
#if !NET20
this
#endif
DataSetGraph visitedGraph)
{
Contract.Requires(visitedGraph != null);
var algorithm = new DataSetGraphvizAlgorithm(visitedGraph);
return algorithm.Generate();
}
public void Constructor_Throws()
{
// ReSharper disable ObjectCreationAsStatement
// ReSharper disable AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => new DataSetGraphvizAlgorithm(null));
Assert.Throws <ArgumentNullException>(() => new DataSetGraphvizAlgorithm(null, GraphvizImageType.Gif));
DataSetGraph graph = new DataSet().ToGraph();
var algorithm = new DataSetGraphvizAlgorithm(graph);
Assert.Throws <ArgumentNullException>(() => algorithm.VisitedGraph = null);
// ReSharper restore AssignNullToNotNullAttribute
// ReSharper restore ObjectCreationAsStatement
}
public void Generate_Throws()
{
var dotEngine = new TestDotEngine();
DataSetGraph graph = new DataSet().ToGraph();
var algorithm = new DataSetGraphvizAlgorithm(graph);
// ReSharper disable AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => algorithm.Generate(null, "NotSaved.dot"));
Assert.Throws <ArgumentException>(() => algorithm.Generate(dotEngine, null));
Assert.Throws <ArgumentException>(() => algorithm.Generate(dotEngine, string.Empty));
Assert.Throws <ArgumentNullException>(() => algorithm.Generate(null, null));
Assert.Throws <ArgumentNullException>(() => algorithm.Generate(null, string.Empty));
// ReSharper restore AssignNullToNotNullAttribute
}
public void Constructor()
{
DataSetGraph graph = new DataSet().ToGraph();
DataSetGraph otherGraph = new DataSet().ToGraph();
var algorithm = new DataSetGraphvizAlgorithm(graph);
AssertAlgorithmProperties(algorithm, graph);
algorithm = new DataSetGraphvizAlgorithm(graph, GraphvizImageType.Fig);
AssertAlgorithmProperties(algorithm, graph, GraphvizImageType.Fig);
algorithm = new DataSetGraphvizAlgorithm(graph, GraphvizImageType.Ps);
AssertAlgorithmProperties(algorithm, graph, GraphvizImageType.Ps);
algorithm = new DataSetGraphvizAlgorithm(graph, GraphvizImageType.Hpgl);
algorithm.ImageType = GraphvizImageType.Gd;
AssertAlgorithmProperties(algorithm, graph, GraphvizImageType.Gd);
algorithm = new DataSetGraphvizAlgorithm(graph);
algorithm.VisitedGraph = otherGraph;
AssertAlgorithmProperties(algorithm, otherGraph);
#region Local function
void AssertAlgorithmProperties(
DataSetGraphvizAlgorithm algo,
DataSetGraph treatedGraph,
GraphvizImageType imageType = GraphvizImageType.Png)
{
Assert.AreSame(treatedGraph, algo.VisitedGraph);
Assert.IsNotNull(algo.GraphFormat);
Assert.IsNotNull(algo.CommonVertexFormat);
Assert.IsNotNull(algo.CommonEdgeFormat);
Assert.AreEqual(imageType, algo.ImageType);
Assert.IsNull(algo.Output);
}
#endregion
}
public string Generate([NotNull] DataSet dataSet)
{
var algorithm = new DataSetGraphvizAlgorithm(dataSet.ToGraph());
return(algorithm.Generate());
}
