private static Rule SetRule(string mainRulePart)
{
var rule = new Rule { Level = mainRulePart.Split(new[] { " " }, StringSplitOptions.None).Length - 1 };
var properties = mainRulePart.Trim().Replace(" ", string.Empty).Split(new[] { " " }, StringSplitOptions.None);
var relation = properties[1];
rule.Property = properties[0];
rule.Value = double.Parse(properties[2]);
if (relation == "<=")
{
rule.Relation = RelationType.LessOrEqual;
}
else if (relation == ">")
{
rule.Relation = RelationType.Greater;
}
else
{
throw new InvalidDataException(string.Format("Operation {0} is unknown.", relation));
}
return rule;
}
public void TestInitialize()
{
_decisionTreeReaderMock = new Mock<IDecisionTreeReader>();
_ruleBuilderMock = new Mock<IRuleBuilder>();
_classifierMock = new Mock<IClassifier<FakeRecord>>();
_decisionTreeReaderMock
.Setup(x => x.ReadSubTrees(It.IsAny<string>()));
var treeBuilder = new StringBuilder();
treeBuilder.AppendLine("Ask <= 1.1:Sell (31.0/1.0)");
treeBuilder.AppendLine("Ask > 1.1:");
treeBuilder.AppendLine(" Bid <= 1.2:Buy (123.0/1.0)");
treeBuilder.AppendLine(" Bid > 1.2:Hold (31.0/1.0)");
_treeString = treeBuilder.ToString();
_decisionTreeReaderMock
.Setup(x => x.NormalizeTreeSource(It.IsAny<string>()))
.Returns(_treeString);
_decisionTreeReaderMock
.Setup(x => x.NormalizeTree(It.IsAny<string>()))
.Returns(_treeString);
_fakeRule = new Rule {Level = 0};
_ruleBuilderMock
.Setup(x => x.Read(It.IsAny<string>()))
.Returns(_fakeRule);
_tree = new DecisionTree<FakeRecord>(
_decisionTreeReaderMock.Object,
_ruleBuilderMock.Object,
_classifierMock.Object);
}
public void MapRules(Rule previousRule, Rule currentRule)
{
switch (currentRule.Relation)
{
case RelationType.LessOrEqual:
previousRule.LessOrEqualRule = currentRule;
break;
case RelationType.Greater:
previousRule.GreaterRule = currentRule;
break;
default:
throw new ArgumentException("Relation Type unknown.");
}
}
public void TestInitialize()
{
_classifier = new Classifier<FakeRecord>();
_root = new Rule
{
LessOrEqualRule = new Rule
{
Property = "Ask",
Value = 1.1,
Relation = RelationType.LessOrEqual,
Action = MarketAction.Sell
},
GreaterRule = new Rule
{
Property = "Ask",
Value = 1.1,
Relation = RelationType.Greater,
LessOrEqualRule = new Rule
{
Property = "Bid",
Value = 1.2,
Relation = RelationType.LessOrEqual,
Action = MarketAction.Buy
},
GreaterRule = new Rule
{
Property = "Bid",
Value = 1.2,
Relation = RelationType.Greater,
Action = MarketAction.Hold
}
}
};
}
