public void GetSupersetAliasStructure_NoDsBranch_ThrowsException()
{
JoinExpression joinExpr = new JoinExpression(TestExprFactory.GetExpression("join", ExpressionFactoryNameTarget.OperatorSymbol));
joinExpr.AddOperand("ds_1", ModelResolvers.ExprResolver());
joinExpr.AddOperand("ds_2", ModelResolvers.ExprResolver());
Assert.ThrowsAny <Exception>(() => { joinExpr.GetSupersetAliasStructure(); });
}
public void GetSupersetAliasStructure_SupersetStructure()
{
for (int i = 0; i < 2; i++)
{
JoinExpression joinExpr = new JoinExpression(TestExprFactory.GetExpression("join", ExpressionFactoryNameTarget.OperatorSymbol));
joinExpr.AddOperand("ds", ModelResolvers.ExprResolver());
IExpression expr1 = ModelResolvers.ExprResolver();
expr1.Structure = ModelResolvers.DsResolver();
expr1.Structure.Identifiers.Add(new StructureComponent(BasicDataType.Integer, "Id1"));
expr1.Structure.Identifiers.Add(new StructureComponent(BasicDataType.String, "Id2"));
IExpression expr2 = ModelResolvers.ExprResolver();
expr2.Structure = ModelResolvers.DsResolver();
expr2.Structure.Identifiers.Add(new StructureComponent(BasicDataType.Integer, "Id1"));
expr2.Structure.Identifiers.Add(new StructureComponent(BasicDataType.String, "Id2"));
joinExpr.Operands["ds"].AddOperand("ds_1", expr1);
joinExpr.Operands["ds"].AddOperand("ds_2", expr2);
IExpression expr3 = ModelResolvers.ExprResolver();
if (i == 1)
{
expr3.Structure = ModelResolvers.DsResolver();
expr3.Structure.Identifiers.Add(new StructureComponent(BasicDataType.Integer, "Id1"));
expr3.Structure.Identifiers.Add(new StructureComponent(BasicDataType.String, "Id2"));
expr3.Structure.Identifiers.Add(new StructureComponent(BasicDataType.Number, "Id3"));
joinExpr.Operands["ds"].AddOperand("ds_3", expr3);
}
IDataStructure result = joinExpr.GetSupersetAliasStructure();
if (i == 0)
{
Assert.True(expr1.Structure.EqualsObj(result));
}
else
{
Assert.True(expr3.Structure.EqualsObj(result));
}
}
}