public void ThrowBadRequestIfQueriedPropertyIsNotAString()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules {
MemberName = "IntProp", MemberValue = "15"
};
var pocos = Enumerable.Range(1, 10).Select(i => new Poco {
Prop = string.Format("La {0}a la", i)
}).ToList();
// Act
try
{
lambda.CreateContainsLambda <Poco>(contains.MemberName, contains.MemberValue);
// Assert
Assert.Fail("Should throw exception");
}
catch (BadRequestException exception)
{
}
catch (Exception e)
{
Assert.Fail("Should throw bad request exception");
}
}
public void ParseObjectExpressionsSuccessfully()
{
var rules = new ContainsFilterRules {
MemberName = "value", MemberValue = "10"
};
var entities = Enumerable.Range(1, 10).Select(i => new { id = i, value = "lala" + i.ToString(CultureInfo.InvariantCulture) }).ToList();
var lamdaCreator = new LambdaCreator();
var filter = new EntityFilter(lamdaCreator);
var res = filter.FilterWithContains(entities, rules);
Assert.AreEqual(1, res.Count);
Assert.AreEqual(10, res[0].id);
}
public void PerformCaseInsensitiveSearchSuccessfully()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules {
MemberName = "Prop", MemberValue = "10A"
};
var pocos = Enumerable.Range(1, 10).Select(i => new Poco {
Prop = string.Format("La {0}a la", i), IntProp = i
}).ToList();
// Act
var mce = lambda.CreateContainsLambda <Poco>(contains.MemberName, contains.MemberValue);
var result = pocos.AsQueryable().Where(mce).ToList();
// Assert
Assert.AreEqual(10, result.Single().IntProp);
}
public void CreateWhereEqualsLambdaSuccessfully()
{
// Arrange
const string propertyName = "IntProp";
const int propertyValue = 2;
var entities = Enumerable.Range(1, 2).SelectMany(i => Enumerable.Repeat(new Poco {
IntProp = i
}, 10)).ToList();
var lambdaCreator = new LambdaCreator();
// Act
Expression <Func <Poco, bool> > equalsLambda = lambdaCreator.CreateEqualsLambda <Poco>(propertyName, propertyValue);
var result = entities.AsQueryable().Where(equalsLambda).ToList();
// Assert
Assert.AreEqual(10, result.Count);
Assert.IsTrue(result.All(i => i.IntProp == 2));
}
public void FilterWithEqualsSuccessfully()
{
// Arrange
const string propertyName = "IntProp";
var equals = new EqualsFilterRules <int> {
MemberName = propertyName, MemberValue = 2
};
var entities = Enumerable.Range(1, 2).SelectMany(i => Enumerable.Repeat(new LambdaCreatorShould.Poco {
IntProp = i
}, 10)).ToList();
var lambdaCreator = new LambdaCreator();
IFilter entityFilter = new EntityFilter(lambdaCreator);
// Act
List <LambdaCreatorShould.Poco> res = entityFilter.FilterWithEquals(entities, @equals);
// Assert
Assert.AreEqual(10, res.Count);
Assert.IsTrue(res.All(elem => elem.IntProp == 2));
}
public void SkipElementOfCollectionIfItsQueriedPropertyIsNull()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules {
MemberName = "Prop", MemberValue = "la"
};
var pocos = Enumerable.Range(1, 10).Select(i => new Poco {
Prop = string.Format("La {0}a la", i)
}).ToList();
pocos.Add(new Poco()); // Prop = null.
// Act
var mce = lambda.CreateContainsLambda <Poco>(contains.MemberName, contains.MemberValue);
var result = pocos.AsQueryable().Where(mce).ToList();
// Assert
Assert.AreEqual(pocos.Count - 1, result.Count);
}
public void CreateWhereContainsLambdaSuccessfully()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules {MemberName = "Prop", MemberValue = "2a"};
var pocos = Enumerable.Range(1, 10).Select(i => new Poco {Prop = string.Format("La {0}a la", i)}).ToList();
Poco expected = pocos[1];
// Act
var mce = lambda.CreateContainsLambda<Poco>(contains.MemberName, contains.MemberValue);
var res = pocos.AsQueryable().Where(mce);
var res2 = pocos.Where(p => p.Prop.Contains(contains.MemberValue)).ToList();
// Assert
Assert.AreEqual(1, res.Count());
Assert.AreEqual(expected.Prop, res.First().Prop);
Assert.AreEqual(res2.First().Prop, res.First().Prop);
}
public void ThrowBadRequestIfQueriedPropertyIsNotAString()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules { MemberName = "IntProp", MemberValue = "15" };
var pocos = Enumerable.Range(1, 10).Select(i => new Poco { Prop = string.Format("La {0}a la", i) }).ToList();
// Act
try
{
lambda.CreateContainsLambda<Poco>(contains.MemberName, contains.MemberValue);
// Assert
Assert.Fail("Should throw exception");
}
catch (BadRequestException exception)
{
}
catch (Exception e)
{
Assert.Fail("Should throw bad request exception");
}
}
public void CreateWhereContainsLambdaSuccessfully()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules {
MemberName = "Prop", MemberValue = "2a"
};
var pocos = Enumerable.Range(1, 10).Select(i => new Poco {
Prop = string.Format("La {0}a la", i)
}).ToList();
Poco expected = pocos[1];
// Act
var mce = lambda.CreateContainsLambda <Poco>(contains.MemberName, contains.MemberValue);
var res = pocos.AsQueryable().Where(mce);
var res2 = pocos.Where(p => p.Prop.Contains(contains.MemberValue)).ToList();
// Assert
Assert.AreEqual(1, res.Count());
Assert.AreEqual(expected.Prop, res.First().Prop);
Assert.AreEqual(res2.First().Prop, res.First().Prop);
}
public EntityFilterShould()
{
_lambdaCreator = new LambdaCreator();
}
public void FilterWithEqualsSuccessfully()
{
// Arrange
const string propertyName = "IntProp";
var equals = new EqualsFilterRules<int>{MemberName = propertyName, MemberValue = 2};
var entities = Enumerable.Range(1, 2).SelectMany(i => Enumerable.Repeat(new LambdaCreatorShould.Poco { IntProp = i }, 10)).ToList();
var lambdaCreator = new LambdaCreator();
IFilter entityFilter = new EntityFilter(lambdaCreator);
// Act
List<LambdaCreatorShould.Poco> res = entityFilter.FilterWithEquals(entities, @equals);
// Assert
Assert.AreEqual(10, res.Count);
Assert.IsTrue(res.All(elem => elem.IntProp == 2));
}
public void ParseObjectExpressionsSuccessfully()
{
var rules = new ContainsFilterRules {MemberName = "value", MemberValue = "10"};
var entities = Enumerable.Range(1, 10).Select(i => new {id = i, value = "lala" + i.ToString(CultureInfo.InvariantCulture)}).ToList();
var lamdaCreator = new LambdaCreator();
var filter = new EntityFilter(lamdaCreator);
var res = filter.FilterWithContains(entities, rules);
Assert.AreEqual(1, res.Count);
Assert.AreEqual(10, res[0].id);
}
public void SkipElementOfCollectionIfItsQueriedPropertyIsNull()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules { MemberName = "Prop", MemberValue = "la" };
var pocos = Enumerable.Range(1, 10).Select(i => new Poco { Prop = string.Format("La {0}a la", i) }).ToList();
pocos.Add(new Poco()); // Prop = null.
// Act
var mce = lambda.CreateContainsLambda<Poco>(contains.MemberName, contains.MemberValue);
var result = pocos.AsQueryable().Where(mce).ToList();
// Assert
Assert.AreEqual(pocos.Count - 1, result.Count);
}
public void PerformCaseInsensitiveSearchSuccessfully()
{
// Arrange
var lambda = new LambdaCreator();
var contains = new ContainsFilterRules { MemberName = "Prop", MemberValue = "10A" };
var pocos = Enumerable.Range(1, 10).Select(i => new Poco { Prop = string.Format("La {0}a la", i), IntProp = i}).ToList();
// Act
var mce = lambda.CreateContainsLambda<Poco>(contains.MemberName, contains.MemberValue);
var result = pocos.AsQueryable().Where(mce).ToList();
// Assert
Assert.AreEqual(10, result.Single().IntProp);
}
public void CreateWhereEqualsLambdaSuccessfully()
{
// Arrange
const string propertyName = "IntProp";
const int propertyValue = 2;
var entities = Enumerable.Range(1, 2).SelectMany(i => Enumerable.Repeat(new Poco{IntProp = i}, 10)).ToList();
var lambdaCreator = new LambdaCreator();
// Act
Expression<Func<Poco, bool>> equalsLambda = lambdaCreator.CreateEqualsLambda<Poco>(propertyName, propertyValue);
var result = entities.AsQueryable().Where(equalsLambda).ToList();
// Assert
Assert.AreEqual(10, result.Count);
Assert.IsTrue(result.All(i => i.IntProp == 2));
}
public EntityFilterShould()
{
_lambdaCreator = new LambdaCreator();
}