public void ParseLambdaAsync_ParsesCombinedPredicateCorrectly()
{
var parser = new CSharpScriptingExpressionParser();
var expression = parser.ParseLambdaAsync <MyEntity, bool>("x => x.Id == 1 && x.Name == \"John\"")
.Result;
var expressionCompiled = expression.Compile();
Assert.True(
expressionCompiled(
new MyEntity()
{
Id = 1,
Name = "John"
}));
Assert.False(
expressionCompiled(
new MyEntity()
{
Id = 2,
Name = "John"
}));
Assert.False(
expressionCompiled(
new MyEntity()
{
Id = 1,
Name = "LittleJohn"
}));
}
public void ParseLambdaAsync_ParsesPredicateOnStringPropertyCorrectly()
{
var parser = new CSharpScriptingExpressionParser();
var expression = parser.ParseLambdaAsync <MyEntity, bool>("x => x.Id == 1").Result;
var expressionCompiled = expression.Compile();
Assert.True(
expressionCompiled(
new MyEntity()
{
Id = 1
}));
Assert.False(
expressionCompiled(
new MyEntity()
{
Id = 2
}));
}
public void ParseLambdaAsync_ParsesNullableIntPathCorrectly()
{
var parser = new CSharpScriptingExpressionParser();
var expression = parser.ParseLambdaAsync <MyEntity, int?>("x => x.NullableInt")
.Result;
var expressionCompiled = expression.Compile();
var entity1 = new MyEntity()
{
NullableInt = 4
};
var entity2 = new MyEntity()
{
NullableInt = null
};
Assert.Equal(expressionCompiled(entity1), entity1.NullableInt);
Assert.Equal(expressionCompiled(entity2), entity2.NullableInt);
}
public void ParseLambdaAsync_ParsesChildEntityPathCorrectly()
{
var parser = new CSharpScriptingExpressionParser();
var expression = parser.ParseLambdaAsync <MyEntity, MyEntity>("x => x.ChildEntity.ChildEntity")
.Result;
var expressionCompiled = expression.Compile();
var parentEntity = new MyEntity()
{
Id = 1,
Name = "John",
ChildEntity = new MyEntity()
{
ChildEntity = new MyEntity()
}
};
var childChildEntity = parentEntity.ChildEntity.ChildEntity;
Assert.Same(expressionCompiled(parentEntity), childChildEntity);
}