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using System;
using System.Collections.Generic;
using System.Linq;
using DapperExtensions.Mapper;
using DapperExtensions.Sql;
using DapperExtensions.Test.Helpers;
using Moq;
using Moq.Protected;
using NUnit.Framework;
namespace DapperExtensions.Test
{
[TestFixture]
public class PredicatesFixture
{
public abstract class PredicatesFixtureBase
{
protected Mock<ISqlGenerator> Generator;
protected Mock<IDapperExtensionsConfiguration> Configuration;
[SetUp]
public void Setup()
{
Generator = new Mock<ISqlGenerator>();
Configuration = new Mock<IDapperExtensionsConfiguration>();
Generator.SetupGet(c => c.Configuration).Returns(Configuration.Object);
}
}
[TestFixture]
public class PredicatesTests : PredicatesFixtureBase
{
[Test]
public void Field_ReturnsSetupPredicate()
{
var predicate = Predicates.Field<PredicateTestEntity>(f => f.Name, Operator.Like, "Lead", true);
Assert.AreEqual("Name", predicate.PropertyName);
Assert.AreEqual(Operator.Like, predicate.Operator);
Assert.AreEqual("Lead", predicate.Value);
Assert.AreEqual(true, predicate.Not);
}
[Test]
public void Property_ReturnsSetupPredicate()
{
var predicate = Predicates.Property<PredicateTestEntity, PredicateTestEntity2>(f => f.Name, Operator.Le, f => f.Value, true);
Assert.AreEqual("Name", predicate.PropertyName);
Assert.AreEqual(Operator.Le, predicate.Operator);
Assert.AreEqual("Value", predicate.PropertyName2);
Assert.AreEqual(true, predicate.Not);
}
[Test]
public void Group_ReturnsSetupPredicate()
{
Mock<IPredicate> subPredicate = new Mock<IPredicate>();
var predicate = Predicates.Group(GroupOperator.Or, subPredicate.Object);
Assert.AreEqual(GroupOperator.Or, predicate.Operator);
Assert.AreEqual(1, predicate.Predicates.Count);
Assert.AreEqual(subPredicate.Object, predicate.Predicates[0]);
}
[Test]
public void Exists_ReturnsSetupPredicate()
{
Mock<IPredicate> subPredicate = new Mock<IPredicate>();
var predicate = Predicates.Exists<PredicateTestEntity2>(subPredicate.Object, true);
Assert.AreEqual(subPredicate.Object, predicate.Predicate);
Assert.AreEqual(true, predicate.Not);
}
[Test]
public void Between_ReturnsSetupPredicate()
{
BetweenValues values = new BetweenValues();
var predicate = Predicates.Between<PredicateTestEntity>(f => f.Name, values, true);
Assert.AreEqual("Name", predicate.PropertyName);
Assert.AreEqual(values, predicate.Value);
Assert.AreEqual(true, predicate.Not);
}
[Test]
public void Sort__ReturnsSetupPredicate()
{
var predicate = Predicates.Sort<PredicateTestEntity>(f => f.Name, false);
Assert.AreEqual("Name", predicate.PropertyName);
Assert.AreEqual(false, predicate.Ascending);
}
}
[TestFixture]
public class BasePredicateTests : PredicatesFixtureBase
{
[Test]
public void GetColumnName_WhenMapNotFound_ThrowsException()
{
Mock<BasePredicate> predicate = new Mock<BasePredicate>();
predicate.CallBase = true;
Configuration.Setup(c => c.GetMap(typeof(PredicateTestEntity))).Returns(() => null).Verifiable();
var ex = Assert.Throws<NullReferenceException>(() => predicate.Object.TestProtected().RunMethod<string>("GetColumnName", typeof(PredicateTestEntity), Generator.Object, "Name"));
Configuration.Verify();
StringAssert.StartsWith("Map was not found", ex.Message);
}
[Test]
public void GetColumnName_WhenPropertyNotFound_ThrowsException()
{
Mock<IClassMapper> classMapper = new Mock<IClassMapper>();
Mock<BasePredicate> predicate = new Mock<BasePredicate>();
List<IPropertyMap> propertyMaps = new List<IPropertyMap>();
predicate.CallBase = true;
Configuration.Setup(c => c.GetMap(typeof(PredicateTestEntity))).Returns(classMapper.Object).Verifiable();
classMapper.SetupGet(c => c.Properties).Returns(propertyMaps).Verifiable();
var ex = Assert.Throws<NullReferenceException>(() => predicate.Object.TestProtected().RunMethod<string>("GetColumnName", typeof(PredicateTestEntity), Generator.Object, "Name"));
Configuration.Verify();
classMapper.Verify();
StringAssert.StartsWith("Name was not found", ex.Message);
}
[Test]
public void GetColumnName_GetsColumnName()
{
Mock<IClassMapper> classMapper = new Mock<IClassMapper>();
Mock<BasePredicate> predicate = new Mock<BasePredicate>();
Mock<IPropertyMap> propertyMap = new Mock<IPropertyMap>();
List<IPropertyMap> propertyMaps = new List<IPropertyMap> { propertyMap.Object };
predicate.CallBase = true;
Configuration.Setup(c => c.GetMap(typeof(PredicateTestEntity))).Returns(classMapper.Object).Verifiable();
classMapper.SetupGet(c => c.Properties).Returns(propertyMaps).Verifiable();
propertyMap.SetupGet(p => p.Name).Returns("Name").Verifiable();
Generator.Setup(g => g.GetColumnName(classMapper.Object, propertyMap.Object, false)).Returns("foo").Verifiable();
var result = predicate.Object.TestProtected().RunMethod<string>("GetColumnName", typeof (PredicateTestEntity), Generator.Object, "Name");
Configuration.Verify();
classMapper.Verify();
propertyMap.Verify();
Generator.Verify();
StringAssert.StartsWith("foo", result);
}
}
[TestFixture]
public class ComparePredicateTests : PredicatesFixtureBase
{
[Test]
public void GetOperatorString_ReturnsOperatorStrings()
{
Assert.AreEqual("=", Setup(Operator.Eq, false).Object.GetOperatorString());
Assert.AreEqual("<>", Setup(Operator.Eq, true).Object.GetOperatorString());
Assert.AreEqual(">", Setup(Operator.Gt, false).Object.GetOperatorString());
Assert.AreEqual("<=", Setup(Operator.Gt, true).Object.GetOperatorString());
Assert.AreEqual(">=", Setup(Operator.Ge, false).Object.GetOperatorString());
Assert.AreEqual("<", Setup(Operator.Ge, true).Object.GetOperatorString());
Assert.AreEqual("<", Setup(Operator.Lt, false).Object.GetOperatorString());
Assert.AreEqual(">=", Setup(Operator.Lt, true).Object.GetOperatorString());
Assert.AreEqual("<=", Setup(Operator.Le, false).Object.GetOperatorString());
Assert.AreEqual(">", Setup(Operator.Le, true).Object.GetOperatorString());
Assert.AreEqual("LIKE", Setup(Operator.Like, false).Object.GetOperatorString());
Assert.AreEqual("NOT LIKE", Setup(Operator.Like, true).Object.GetOperatorString());
}
protected Mock<ComparePredicate> Setup(Operator op, bool not)
{
Mock<ComparePredicate> predicate = new Mock<ComparePredicate>();
predicate.Object.Operator = op;
predicate.Object.Not = not;
predicate.CallBase = true;
return predicate;
}
}
[TestFixture]
public class FieldPredicateTests : PredicatesFixtureBase
{
[Test]
public void GetSql_NullValue_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity>("Name", Operator.Eq, null, false);
var parameters = new Dictionary<string, object>();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
Assert.AreEqual(0, parameters.Count);
Assert.AreEqual("(fooCol IS NULL)", sql);
}
[Test]
public void GetSql_NullValue_Not_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity>("Name", Operator.Eq, null, true);
var parameters = new Dictionary<string, object>();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
Assert.AreEqual(0, parameters.Count);
Assert.AreEqual("(fooCol IS NOT NULL)", sql);
}
[Test]
public void GetSql_Enumerable_NotEqOperator_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity>("Name", Operator.Le, new[] { "foo", "bar" }, false);
var parameters = new Dictionary<string, object>();
var ex = Assert.Throws<ArgumentException>(() => predicate.Object.GetSql(Generator.Object, parameters));
predicate.Verify();
StringAssert.StartsWith("Operator must be set to Eq for Enumerable types", ex.Message);
}
[Test]
public void GetSql_Enumerable_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity>("Name", Operator.Eq, new[] { "foo", "bar" }, false);
var parameters = new Dictionary<string, object>();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
Assert.AreEqual(2, parameters.Count);
Assert.AreEqual("foo", parameters["@Name_0"]);
Assert.AreEqual("bar", parameters["@Name_1"]);
Assert.AreEqual("(fooCol IN (@Name_0, @Name_1))", sql);
}
[Test]
public void GetSql_Enumerable_Not_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity>("Name", Operator.Eq, new[] { "foo", "bar" }, true);
var parameters = new Dictionary<string, object>();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
Assert.AreEqual(2, parameters.Count);
Assert.AreEqual("foo", parameters["@Name_0"]);
Assert.AreEqual("bar", parameters["@Name_1"]);
Assert.AreEqual("(fooCol NOT IN (@Name_0, @Name_1))", sql);
}
[Test]
public void GetSql_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity>("Name", Operator.Eq, 12, true);
predicate.Setup(p => p.GetOperatorString()).Returns("**").Verifiable();
var parameters = new Dictionary<string, object>();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
Assert.AreEqual(1, parameters.Count);
Assert.AreEqual(12, parameters["@Name_0"]);
Assert.AreEqual("(fooCol ** @Name_0)", sql);
}
protected Mock<FieldPredicate<T>> Setup<T>(string propertyName, Operator op, object value, bool not) where T : class
{
Mock<FieldPredicate<T>> predicate = new Mock<FieldPredicate<T>>();
predicate.Object.PropertyName = propertyName;
predicate.Object.Operator = op;
predicate.Object.Not = not;
predicate.Object.Value = value;
predicate.CallBase = true;
predicate.Protected().Setup<string>("GetColumnName", typeof(T), Generator.Object, propertyName).Returns("fooCol").Verifiable();
return predicate;
}
}
[TestFixture]
public class PropertyPredicateTests : PredicatesFixtureBase
{
[Test]
public void GetSql_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity, PredicateTestEntity2>("Name", Operator.Eq, "Value", false);
predicate.Setup(p => p.GetOperatorString()).Returns("**").Verifiable();
var parameters = new Dictionary<string, object>();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
Assert.AreEqual(0, parameters.Count);
Assert.AreEqual("(fooCol ** fooCol2)", sql);
}
protected Mock<PropertyPredicate<T, T2>> Setup<T, T2>(string propertyName, Operator op, string propertyName2, bool not)
where T : class
where T2 : class
{
Mock<PropertyPredicate<T, T2>> predicate = new Mock<PropertyPredicate<T, T2>>();
predicate.Object.PropertyName = propertyName;
predicate.Object.PropertyName2 = propertyName2;
predicate.Object.Operator = op;
predicate.Object.Not = not;
predicate.CallBase = true;
predicate.Protected().Setup<string>("GetColumnName", typeof(T), Generator.Object, propertyName).Returns("fooCol").Verifiable();
predicate.Protected().Setup<string>("GetColumnName", typeof(T2), Generator.Object, propertyName2).Returns("fooCol2").Verifiable();
return predicate;
}
}
[TestFixture]
public class BetweenPredicateTests : PredicatesFixtureBase
{
[Test]
public void GetSql_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity>("Name", Operator.Eq, 12, 20, false);
var parameters = new Dictionary<string, object>();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
Assert.AreEqual(2, parameters.Count);
Assert.AreEqual(12, parameters["@Name_0"]);
Assert.AreEqual(20, parameters["@Name_1"]);
Assert.AreEqual("(fooCol BETWEEN @Name_0 AND @Name_1)", sql);
}
[Test]
public void GetSql_Not_ReturnsProperSql()
{
var predicate = Setup<PredicateTestEntity>("Name", Operator.Eq, 12, 20, true);
var parameters = new Dictionary<string, object>();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
Assert.AreEqual(2, parameters.Count);
Assert.AreEqual(12, parameters["@Name_0"]);
Assert.AreEqual(20, parameters["@Name_1"]);
Assert.AreEqual("(fooCol NOT BETWEEN @Name_0 AND @Name_1)", sql);
}
protected Mock<BetweenPredicate<T>> Setup<T>(string propertyName, Operator op, object value1, object value2, bool not)
where T : class
{
Mock<BetweenPredicate<T>> predicate = new Mock<BetweenPredicate<T>>();
predicate.Object.PropertyName = propertyName;
predicate.Object.Value = new BetweenValues { Value1 = value1, Value2 = value2 };
predicate.Object.Not = not;
predicate.CallBase = true;
predicate.Protected().Setup<string>("GetColumnName", typeof(T), Generator.Object, propertyName).Returns("fooCol").Verifiable();
return predicate;
}
}
[TestFixture]
public class PredicateGroupTests : PredicatesFixtureBase
{
[Test]
public void GetSql_And_ReturnsProperSql()
{
Mock<IPredicate> subPredicate1 = new Mock<IPredicate>();
var subPredicates = new List<IPredicate> { subPredicate1.Object, subPredicate1.Object };
var predicate = Setup(GroupOperator.And, subPredicates);
var parameters = new Dictionary<string, object>();
subPredicate1.Setup(s => s.GetSql(Generator.Object, parameters)).Returns("subSql").Verifiable();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
subPredicate1.Verify(s => s.GetSql(Generator.Object, parameters), Times.AtMost(2));
Assert.AreEqual(0, parameters.Count);
Assert.AreEqual("(subSql AND subSql)", sql);
}
[Test]
public void GetSql_Or_ReturnsProperSql()
{
Mock<IPredicate> subPredicate1 = new Mock<IPredicate>();
var subPredicates = new List<IPredicate> { subPredicate1.Object, subPredicate1.Object };
var predicate = Setup(GroupOperator.Or, subPredicates);
var parameters = new Dictionary<string, object>();
subPredicate1.Setup(s => s.GetSql(Generator.Object, parameters)).Returns("subSql").Verifiable();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
subPredicate1.Verify(s => s.GetSql(Generator.Object, parameters), Times.AtMost(2));
Assert.AreEqual(0, parameters.Count);
Assert.AreEqual("(subSql OR subSql)", sql);
}
protected Mock<PredicateGroup> Setup(GroupOperator op, IList<IPredicate> predicates)
{
Mock<PredicateGroup> predicate = new Mock<PredicateGroup>();
predicate.Object.Operator = op;
predicate.Object.Predicates = predicates;
predicate.CallBase = true;
return predicate;
}
}
[TestFixture]
public class ExistsPredicateTests : PredicatesFixtureBase
{
[Test]
public void GetSql_WithoutNot_ReturnsProperSql()
{
Mock<IPredicate> subPredicate = new Mock<IPredicate>();
Mock<IClassMapper> subMap = new Mock<IClassMapper>();
var predicate = Setup<PredicateTestEntity2>(subPredicate.Object, subMap.Object, false);
Generator.Setup(g => g.GetTableName(subMap.Object)).Returns("subTable").Verifiable();
var parameters = new Dictionary<string, object>();
subPredicate.Setup(s => s.GetSql(Generator.Object, parameters)).Returns("subSql").Verifiable();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
subPredicate.Verify();
Generator.Verify();
Assert.AreEqual(0, parameters.Count);
Assert.AreEqual("(EXISTS (SELECT 1 FROM subTable WHERE subSql))", sql);
}
[Test]
public void GetSql_WithNot_ReturnsProperSql()
{
Mock<IPredicate> subPredicate = new Mock<IPredicate>();
Mock<IClassMapper> subMap = new Mock<IClassMapper>();
var predicate = Setup<PredicateTestEntity2>(subPredicate.Object, subMap.Object, true);
Generator.Setup(g => g.GetTableName(subMap.Object)).Returns("subTable").Verifiable();
var parameters = new Dictionary<string, object>();
subPredicate.Setup(s => s.GetSql(Generator.Object, parameters)).Returns("subSql").Verifiable();
var sql = predicate.Object.GetSql(Generator.Object, parameters);
predicate.Verify();
subPredicate.Verify();
Generator.Verify();
Assert.AreEqual(0, parameters.Count);
Assert.AreEqual("(NOT EXISTS (SELECT 1 FROM subTable WHERE subSql))", sql);
}
[Test]
public void GetClassMapper_NoMapFound_ThrowsException()
{
var predicate = new Mock<ExistsPredicate<PredicateTestEntity>>();
predicate.CallBase = true;
Configuration.Setup(c => c.GetMap(typeof(PredicateTestEntity2))).Returns(() => null).Verifiable();
var ex = Assert.Throws<NullReferenceException>(() => predicate.Object.TestProtected().RunMethod<IClassMapper>("GetClassMapper", typeof(PredicateTestEntity2), Configuration.Object));
Configuration.Verify();
StringAssert.StartsWith("Map was not found", ex.Message);
}
[Test]
public void GetClassMapper_ReturnsMap()
{
Mock<IClassMapper> classMap = new Mock<IClassMapper>();
var predicate = new Mock<ExistsPredicate<PredicateTestEntity>>();
predicate.CallBase = true;
Configuration.Setup(c => c.GetMap(typeof(PredicateTestEntity2))).Returns(classMap.Object).Verifiable();
var result = predicate.Object.TestProtected().RunMethod<IClassMapper>("GetClassMapper", typeof(PredicateTestEntity2), Configuration.Object);
Configuration.Verify();
Assert.AreEqual(classMap.Object, result);
}
protected Mock<ExistsPredicate<T>> Setup<T>(IPredicate predicate, IClassMapper classMap, bool not) where T : class
{
Mock<ExistsPredicate<T>> result = new Mock<ExistsPredicate<T>>();
result.Object.Predicate = predicate;
result.Object.Not = not;
result.Protected().Setup<IClassMapper>("GetClassMapper", typeof (T), Configuration.Object).Returns(classMap).Verifiable();
result.CallBase = true;
return result;
}
}
public class PredicateTestEntity
{
public int Id { get; set; }
public string Name { get; set; }
}
public class PredicateTestEntity2
{
public int Key { get; set; }
public string Value { get; set; }
}
}
}