public void It_Should_Parse_And_And_Or()
{
// Act
var ast = _generator.Generate("Result : {% if true and false or true %} OK {% endif %}");
// Assert
var ifThenSymbolNode =
LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(IfThenElseBlockTag)).FirstOrDefault();
Assert.NotNull(ifThenSymbolNode);
// ReSharper disable once PossibleNullReferenceException
var predicateTree =
((IfThenElseBlockTag)ifThenSymbolNode.Data).IfElseClauses[0].LiquidExpressionTree;
foreach (var expr in ((IfThenElseBlockTag)ifThenSymbolNode.Data).IfElseClauses)
{
DebugIfExpressions(expr.LiquidExpressionTree);
}
Assert.IsType <OrExpression>(predicateTree.Data.Expression);
Assert.IsType <AndExpression>(predicateTree[0].Data.Expression);
Assert.IsType <LiquidBoolean>(predicateTree[1].Data.Expression);
Assert.IsType <LiquidBoolean>(predicateTree[0][0].Data.Expression);
Assert.IsType <LiquidBoolean>(predicateTree[0][1].Data.Expression);
}
public void It_Should_Add_A_String_Reference()
{
// Act
var ast = _generator.Generate("Result : {% if \"hello\" %} OK {% endif %}");
var ifThenElseNode = LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(IfThenElseBlockTag)).FirstOrDefault();
Assert.NotNull(ifThenElseNode);
// ReSharper disable once PossibleNullReferenceException
var ifThenElseSymbol = ((IfThenElseBlockTag)ifThenElseNode.Data);
// Assert
Assert.IsType <LiquidString>(ifThenElseSymbol.IfElseClauses[0].LiquidExpressionTree.Data.Expression);
}
public void It_Should_Add_A_Boolean_Reference()
{
// Act
var ast = _generator.Generate("Result : {% if true %} OK {% endif %}");
var ifThenElseNode = LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(IfThenElseBlockTag)).FirstOrDefault();
Assert.That(ifThenElseNode, Is.Not.Null);
// ReSharper disable once PossibleNullReferenceException
var ifThenElseSymbol = ((IfThenElseBlockTag)ifThenElseNode.Data);
// Assert
Assert.That(ifThenElseSymbol.IfElseClauses[0].LiquidExpressionTree.Data.Expression, Is.TypeOf <LiquidBoolean>());
}
public void It_Should_Parse_Nested_If()
{
// Act
var ast = _generator.Generate("Result : {% if true %} {% if false %} True and false {% endif %} {% endif %}");
// Assert
var parentIfThenElseSymbol = LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(IfThenElseBlockTag)).FirstOrDefault();
// ReSharper disable once PossibleNullReferenceException
var childIfThenElse = ((IfThenElseBlockTag)parentIfThenElseSymbol.Data).IfElseClauses[0].LiquidBlock;
//Logger.Log(childIfThenElse);
Assert.NotNull(childIfThenElse);
}
public void It_Should_Parse_Else()
{
// Act
var ast = _generator.Generate("Result : {% if true %} OK {% elsif false %} NO {% elsif true %} YES {% else %} ELSE {% endif %}");
// Assert
var ifThenSymbolNode =
LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(IfThenElseBlockTag)).FirstOrDefault();
Assert.NotNull(ifThenSymbolNode);
// ReSharper disable once PossibleNullReferenceException
var elseSymbols = ((IfThenElseBlockTag)ifThenSymbolNode.Data).IfElseClauses;
Logger.Log("-- AST --");
Logger.Log(new ASTWalker().Walk(ast.LiquidAST));
Assert.Equal(4, elseSymbols.Count); // the else symbol is an elsif set to "true".
}
public void It_Should_Parse_If_Var_Equals_String()
{
// Act
var ast = _generator.Generate("Result : {% if myvar == \"hello\" %} OK {% endif %}");
// Assert
var ifThenSymbolNode =
LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(IfThenElseBlockTag)).FirstOrDefault();
Assert.NotNull(ifThenSymbolNode);
// ReSharper disable once PossibleNullReferenceException
var predicateTree = ((IfThenElseBlockTag)ifThenSymbolNode.Data).IfElseClauses[0].LiquidExpressionTree;
Assert.IsType <EqualsExpression>(predicateTree.Data.Expression);
Assert.IsType <VariableReferenceTree>(predicateTree[0].Data.Expression);
Assert.IsType <LiquidString>(predicateTree[1].Data.Expression);
//Assert.That(predicateTree[0].Data, Is.TypeOf<VariableReference>());
//Assert.That(predicateTree[1].Data, Is.TypeOf<String>());
}
public void It_Should_Parse_ElsIf()
{
// Act
var ast = _generator.Generate("Result : {% if true %} OK {% elsif false %} NO {% elsif true %} YES {% endif %}");
// Assert
var ifThenSymbolNode =
LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(IfThenElseBlockTag)).FirstOrDefault();
Assert.NotNull(ifThenSymbolNode);
// ReSharper disable once PossibleNullReferenceException
var elsIfPredicateTrees = ((IfThenElseBlockTag)ifThenSymbolNode.Data).IfElseClauses.Select(x => x.LiquidExpressionTree).ToList();
foreach (var expr in ((IfThenElseBlockTag)ifThenSymbolNode.Data).IfElseClauses)
{
DebugIfExpressions(expr.LiquidExpressionTree);
}
Assert.Equal(3, elsIfPredicateTrees.Count);
Assert.IsType <LiquidBoolean>(elsIfPredicateTrees[0].Data.Expression);
Assert.IsType <LiquidBoolean>(elsIfPredicateTrees[1].Data.Expression);
}
public void It_Should_Add_A_String_Indexed_Array_Reference_In_An_Object()
{
// Act
var ast = _generator.Generate("Result : {{ myvar[\"test\"] }}");
// Assert
var liquidExpressionNode = LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(LiquidExpressionTree)).FirstOrDefault();
Assert.NotNull(liquidExpressionNode);
// ReSharper disable once PossibleNullReferenceException
Assert.NotNull(liquidExpressionNode.Data);
var liquidExpression = ((LiquidExpressionTree)liquidExpressionNode.Data);
// Assert
Assert.NotNull(liquidExpression.ExpressionTree.Data.Expression);
Assert.IsType <VariableReferenceTree>(liquidExpression.ExpressionTree.Data.Expression);
VariableReferenceTree varRefTree = (VariableReferenceTree)liquidExpression.ExpressionTree.Data.Expression;
Assert.IsType <VariableReferenceTree>(varRefTree.IndexExpression);
VariableReferenceTree indexVarRefTree = (VariableReferenceTree)varRefTree.IndexExpression;
Assert.IsType <LiquidString>(indexVarRefTree.Value);
}
public void It_Should_Add_An_Int_Indexed_Array_Reference_In_An_Object()
{
// Act
var ast = _generator.Generate("Result : {{ myvar[3] }}");
// Assert
var liquidExpressionNode = LiquidASTGeneratorTests.FindNodesWithType(ast.LiquidAST, typeof(LiquidExpressionTree)).FirstOrDefault();
Assert.That(liquidExpressionNode, Is.Not.Null);
// ReSharper disable once PossibleNullReferenceException
Assert.That(liquidExpressionNode.Data, Is.Not.Null);
var liquidExpression = ((LiquidExpressionTree)liquidExpressionNode.Data);
// Assert
Assert.That(liquidExpression.ExpressionTree.Data.Expression, Is.Not.Null);
Assert.That(liquidExpression.ExpressionTree.Data.Expression, Is.TypeOf <VariableReferenceTree>());
VariableReferenceTree varRefTree = (VariableReferenceTree)liquidExpression.ExpressionTree.Data.Expression;
Assert.That(varRefTree.IndexExpression, Is.TypeOf <VariableReferenceTree>());
VariableReferenceTree indexVarRefTree = (VariableReferenceTree)varRefTree.IndexExpression;
Assert.That(indexVarRefTree.Value, Is.AssignableTo <LiquidNumeric>());
Assert.That(((LiquidNumeric)indexVarRefTree.Value).IntValue, Is.EqualTo(3));
}