public void empty_graphs_merge_to_empty_graph()
{
var graph1 = new AffectedGraph();
var graph2 = new AffectedGraph();
var merged = graph1.Merge(graph2);
Assert.AreEqual(0, merged.AllNodes().Count());
}
private void AddConnections(AffectedGraph to, IEnumerable <NodeConnection> allConnections)
{
foreach (var c in allConnections)
{
to.AddConnection(c.From, c.To, c.IsForward);
}
}
public void SetUp()
{
var paths = new[]
{
new List<string> {"GrandChild", "Child3", "Root"},
};
_graph = GraphBuilder.BuildGraphFor(paths);
}
public int CalculateRiskFor(AffectedGraph g)
{
var root = g.AllNodes().FirstOrDefault(x => x.IsRootNode);
if (root == null) return -1;
var connections = GetHashFrom(g);
var risk = RecurseRisk(root.FullName, connections, new Dictionary<string, bool>());
if (risk.nottested + risk.tested == 0) return 0;
return (int)(risk.tested / (decimal)(risk.nottested + risk.tested) * 100.0m);
}
public void a_node_can_be_added()
{
var g = new AffectedGraph();
g.AddNode(new AffectedGraphNode("foo", false, false, false, "name", "bar::foo", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
Assert.AreEqual(1, g.AllNodes().Count());
Assert.AreEqual("foo", g.AllNodes().First().DisplayName);
Assert.AreEqual("bar::foo", g.AllNodes().First().FullName);
Assert.IsNotNull(g.GetNode("bar::foo"));
}
public void nodes_from_both_graphs_get_added_to_output()
{
var graph1 = new AffectedGraph();
graph1.AddNode(new AffectedGraphNode("test1", false, false, false, "test", "test12", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
var graph2 = new AffectedGraph();
graph2.AddNode(new AffectedGraphNode("test1", false, false, false, "test", "test123", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
var merged = graph1.Merge(graph2);
Assert.AreEqual(2, merged.AllNodes().Count());
}
public AffectedGraph Merge(AffectedGraph graph2)
{
var ret = new AffectedGraph();
AddIfNotExist(ret, this.AllNodes());
AddIfNotExist(ret, graph2.AllNodes());
AddConnections(ret, this.AllConnections());
AddConnections(ret, graph2.AllConnections());
return ret;
}
public int CalculateRiskFor(AffectedGraph graph)
{
if (graph == null) return 0;
var root = graph.GetRootNode();
if (root == null) return 0;
var connections = GraphNodeHashBuilder.GetHashFrom(graph);
var risk = RecurseRisk(root.FullName, connections, new Dictionary<string, bool>());
if (risk.nottested + risk.tested == 0) return 0;
return (int)(risk.tested / (decimal)(risk.nottested + risk.tested) * 100.0m);
}
public AffectedGraph Merge(AffectedGraph graph2)
{
var ret = new AffectedGraph();
AddIfNotExist(ret, this.AllNodes());
AddIfNotExist(ret, graph2.AllNodes());
AddConnections(ret, this.AllConnections());
AddConnections(ret, graph2.AllConnections());
return(ret);
}
private void AddIfNotExist(AffectedGraph to, IEnumerable<AffectedGraphNode> nodes)
{
int x = 5;
foreach (var node in nodes)
{
if (!to.ContainsNode(node.FullName))
{
to.AddNode(node);
}
}
}
private void AddIfNotExist(AffectedGraph to, IEnumerable <AffectedGraphNode> nodes)
{
int x = 5;
foreach (var node in nodes)
{
if (!to.ContainsNode(node.FullName))
{
to.AddNode(node);
}
}
}
public int CalculateRiskFor(AffectedGraph graph)
{
//TODO make interface take the hash not the graph (so it canbe reused between strategies instead of built n times)
if (graph == null) return 0;
var root = graph.GetRootNode();
if (root == null) return 0;
var visited = new Dictionary<string, int>();
var hash = GraphNodeHashBuilder.GetHashFrom(graph);
var testsScore = RecurseFrom(root.FullName, hash, 0, 0, visited);
var complexity = root.Complexity > 1.0m ? root.Complexity : 1.0m;
var overallScore = testsScore/complexity;
var ret = overallScore > 1.0m ? 1.0m : overallScore;
return (int) (ret * 100m);
}
public void single_node_in_graph_that_is_not_a_test()
{
var graph = new AffectedGraph();
graph.AddNode(new AffectedGraphNode(displayName: "display",
isInterface: false,
isTest: false,
isRootNode: true,
name: "A name",
fullName: "name",
assembly: "foo.dll",
type: "Type",
testDescriptors: new List<TestDescriptor>(),
isChange: false, inTestAssembly: false, complexity:0));
var classifier = new TestPathsGraphRiskClassifier();
Assert.AreEqual(0, classifier.CalculateRiskFor(graph));
}
public static Dictionary<string, RiskNode> GetHashFrom(AffectedGraph graph)
{
var ret = new Dictionary<string, RiskNode>();
foreach (var node in graph.AllNodes())
{
ret.Add(node.FullName, new RiskNode() { Node = node });
}
foreach (var connection in graph.AllConnections())
{
RiskNode item;
if (!ret.TryGetValue(connection.From, out item))
{
ret.Add(connection.From, item);
}
item.connections.Add(connection.To);
}
return ret;
}
public void single_node_nodein_graph_that_is_a_covered_test()
{
var graph = new AffectedGraph();
graph.AddNode(new AffectedGraphNode(displayName: "display",
isInterface: false,
isTest: true,
isRootNode: true,
name: "A name",
fullName: "name",
assembly: "foo.dll",
type: "Type",
testDescriptors: new List<TestDescriptor>(),
isChange: false,
inTestAssembly: false,
complexity: 0));
graph.AllNodes().First().MarkAsProfiled();
var classifier = new CoverageDistanceAndComplexityGraphRiskClassifier();
Assert.AreEqual(100, classifier.CalculateRiskFor(graph));
}
public static AffectedGraph BuildGraphFor(IEnumerable<IEnumerable<string>> paths)
{
bool first = true;
var ret = new AffectedGraph();
foreach(var path in paths)
{
string last = null;
foreach(var node in path)
{
if(!ret.ContainsNode(node))
{
ret.AddNode(new AffectedGraphNode(node, false, false, first, node, node, "", "", new List<TestDescriptor>(), false, false, 0));
first = false;
}
if(last != null)
{
ret.AddConnection(last, node, false);
}
last = node;
}
}
return ret;
}
private void AddConnections(AffectedGraph to, IEnumerable<NodeConnection> allConnections)
{
foreach(var c in allConnections) to.AddConnection(c.From, c.To, c.IsForward);
}
public void a_connection_from_a_non_existant_node_does_not_add_connection()
{
var g = new AffectedGraph();
g.AddNode(new AffectedGraphNode("foo", false, false, false, "name", "bar::foo", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
g.AddConnection("somethingnon-existant", "bar::foo", false);
Assert.AreEqual(0, g.AllConnections().Count());
}
public void connection_can_be_added_between_same_nodes()
{
var g = new AffectedGraph();
g.AddNode(new AffectedGraphNode("foo", false, false, false, "name", "bar::foo", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
g.AddConnection("bar::foo", "bar::foo", false);
Assert.AreEqual(1, g.AllConnections().Count());
}
public void multiple_connections_can_be_added_between_two_valid_nodes_but_only_one_appears()
{
var g = new AffectedGraph();
g.AddNode(new AffectedGraphNode("foo", false, false, false, "name", "bar::foo", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
g.AddNode(new AffectedGraphNode("foo", false, false, false, "name", "bar::foo2", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
g.AddConnection("bar::foo2", "bar::foo", false);
g.AddConnection("bar::foo2", "bar::foo", false);
Assert.AreEqual(1, g.AllConnections().Count());
}
public void adding_a_null_to_connection_does_not_add_node()
{
var g = new AffectedGraph();
g.AddConnection("FROM", null, false);
Assert.AreEqual(0, g.AllConnections().Count());
}
public void adding_a_null_node_does_not_add_node()
{
var g = new AffectedGraph();
g.AddNode(null);
Assert.AreEqual(0, g.AllNodes().Count());
}
public void when_no_root_node_get_root_node_returns_null()
{
var g = new AffectedGraph();
g.AddNode(new AffectedGraphNode("foo", false, false, false, "name", "bar::foo", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
Assert.IsNull(g.GetRootNode());
}
public void when_root_node_get_root_node_returns_root_node()
{
var g = new AffectedGraph();
var root = new AffectedGraphNode("foo", false, false, true, "name", "bar::foo", "assembly", "type", new List<TestDescriptor>(), false, false, 0);
g.AddNode(root);
g.AddNode(new AffectedGraphNode("foo", false, false, false, "name", "bar::foo2", "assembly", "type", new List<TestDescriptor>(), false, false, 0));
Assert.AreEqual(root, g.GetRootNode());
}
public void adding_null_node_throws_argument_null_exception()
{
var graph = new AffectedGraph();
//Assert.Throws<ArgumentNullException>(() => graph.AddNode(null));
}
public AffectedGraph GetProfiledGraphFor(string method)
{
var graph = new AffectedGraph();
var tests = GetTestsFor(method);
if (tests == null || !tests.Any()) return graph;
var paths = new List<IEnumerable<string>>();
foreach(var test in tests)
{
var info = GetTestInformationFor(test);
if (info != null)
{
var path = PathFinder.FindPathsTo(info, method);
paths.AddRange(path);
}
}
return GraphBuilder.BuildGraphFor(paths);
}
public void node_and_direct_test_in_graph()
{
var graph = new AffectedGraph();
graph.AddNode(new AffectedGraphNode(displayName: "display",
isInterface: false,
isTest: false,
isRootNode: true,
name: "A name",
fullName: "fullnamecode",
assembly: "foo.dll",
type: "Type",
testDescriptors: new List<TestDescriptor>(),
isChange: false, inTestAssembly: false, complexity:0));
graph.AddNode(new AffectedGraphNode(displayName: "display",
isInterface: false,
isTest: true,
isRootNode: true,
name: "A name",
fullName: "fullnametest",
assembly: "foo.dll",
type: "Type",
testDescriptors: new List<TestDescriptor>(),
isChange: false, inTestAssembly: true, complexity:0));
graph.AddConnection("fullnamecode", "fullnametest", false);
var classifier = new TestPathsGraphRiskClassifier();
Assert.AreEqual(100, classifier.CalculateRiskFor(graph));
}