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#88 Fix .AsQueryable calls to the test data set #90

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Merged
ramantsitou merged 1 commit into from
Oct 6, 2025
Merged

#88 Fix .AsQueryable calls to the test data set #90

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160 changes: 80 additions & 80 deletions src/MockQueryable/MockQueryable.FakeItEasy/FakeItEasyExtensions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,95 +10,95 @@

namespace MockQueryable.FakeItEasy
{
public static class FakeItEasyExtensions
{

/// <summary>
/// This method allows you to create a mock DbSet for testing purposes.
/// It is particularly useful when you want to simulate the behavior of Entity Framework Core's DbSet
/// with custom expression handling, such as for testing LINQ queries or database operations.
/// The method takes an IQueryable of the entity type and returns a mocked DbSet that implements
/// both IAsyncEnumerable and IQueryable interfaces, allowing for asynchronous enumeration
/// and LINQ query capabilities.
/// </summary>
/// <typeparam name="TEntity">
/// The type of the entity that the DbSet will represent.
/// </typeparam>
public static DbSet<TEntity> BuildMockDbSet<TEntity>(this ICollection<TEntity> data) where TEntity : class
public static class FakeItEasyExtensions
{
return BuildMockDbSet<TEntity, TestExpressionVisitor>(data);
}

/// <summary>
/// This method allows you to create a mock DbSet for testing purposes.
/// It is particularly useful when you want to simulate the behavior of Entity Framework Core's DbSet
/// with custom expression handling, such as for testing LINQ queries or database operations.
/// The method takes an IQueryable of the entity type and returns a mocked DbSet that implements
/// both IAsyncEnumerable and IQueryable interfaces, allowing for asynchronous enumeration
/// and LINQ query capabilities.
/// </summary>
/// <typeparam name="TEntity">
/// The type of the entity that the DbSet will represent.
/// </typeparam>
/// <typeparam name="TExpressionVisitor">
/// The type of the expression visitor that will be used to process LINQ expressions.
/// Can be used to mock EF Core specific expression handling, such as for ILike expressions.
/// </typeparam>
public static DbSet<TEntity> BuildMockDbSet<TEntity, TExpressionVisitor>(this ICollection<TEntity> data)
where TEntity : class
where TExpressionVisitor : ExpressionVisitor, new()
{
var mock = A.Fake<DbSet<TEntity>>(d => d.Implements<IAsyncEnumerable<TEntity>>().Implements<IQueryable<TEntity>>());
var enumerable = new TestAsyncEnumerableEfCore<TEntity, TExpressionVisitor>(data, entity => data.Remove(entity));
mock.ConfigureQueryableCalls(enumerable, data.AsQueryable());
mock.ConfigureAsyncEnumerableCalls(enumerable);
mock.ConfigureDbSetCalls(data.AsQueryable());
/// <summary>
/// This method allows you to create a mock DbSet for testing purposes.
/// It is particularly useful when you want to simulate the behavior of Entity Framework Core's DbSet
/// with custom expression handling, such as for testing LINQ queries or database operations.
/// The method takes an IQueryable of the entity type and returns a mocked DbSet that implements
/// both IAsyncEnumerable and IQueryable interfaces, allowing for asynchronous enumeration
/// and LINQ query capabilities.
/// </summary>
/// <typeparam name="TEntity">
/// The type of the entity that the DbSet will represent.
/// </typeparam>
public static DbSet<TEntity> BuildMockDbSet<TEntity>(this ICollection<TEntity> data) where TEntity : class
{
return BuildMockDbSet<TEntity, TestExpressionVisitor>(data);
}

if (mock is IAsyncEnumerable<TEntity> asyncEnumerable)
{
A.CallTo(() => asyncEnumerable.GetAsyncEnumerator(A<CancellationToken>.Ignored)).ReturnsLazily(() => enumerable.GetAsyncEnumerator());
}
/// <summary>
/// This method allows you to create a mock DbSet for testing purposes.
/// It is particularly useful when you want to simulate the behavior of Entity Framework Core's DbSet
/// with custom expression handling, such as for testing LINQ queries or database operations.
/// The method takes an IQueryable of the entity type and returns a mocked DbSet that implements
/// both IAsyncEnumerable and IQueryable interfaces, allowing for asynchronous enumeration
/// and LINQ query capabilities.
/// </summary>
/// <typeparam name="TEntity">
/// The type of the entity that the DbSet will represent.
/// </typeparam>
/// <typeparam name="TExpressionVisitor">
/// The type of the expression visitor that will be used to process LINQ expressions.
/// Can be used to mock EF Core specific expression handling, such as for ILike expressions.
/// </typeparam>
public static DbSet<TEntity> BuildMockDbSet<TEntity, TExpressionVisitor>(this ICollection<TEntity> data)
where TEntity : class
where TExpressionVisitor : ExpressionVisitor, new()
{
var mock = A.Fake<DbSet<TEntity>>(d => d.Implements<IAsyncEnumerable<TEntity>>().Implements<IQueryable<TEntity>>());
var enumerable = new TestAsyncEnumerableEfCore<TEntity, TExpressionVisitor>(data, entity => data.Remove(entity));
mock.ConfigureQueryableCalls(enumerable, data.AsQueryable());
mock.ConfigureAsyncEnumerableCalls(enumerable);
mock.ConfigureDbSetCalls(data.AsQueryable());

return mock;
}
if (mock is IAsyncEnumerable<TEntity> asyncEnumerable)
{
A.CallTo(() => asyncEnumerable.GetAsyncEnumerator(A<CancellationToken>.Ignored)).ReturnsLazily(() => enumerable.GetAsyncEnumerator());
}

private static void ConfigureQueryableCalls<TEntity>(
this IQueryable<TEntity> mock,
IQueryProvider queryProvider,
IQueryable<TEntity> data) where TEntity : class
{
A.CallTo(() => mock.Provider).Returns(queryProvider);
A.CallTo(() => mock.Expression).Returns(data?.Expression);
A.CallTo(() => mock.ElementType).Returns(data?.ElementType);
A.CallTo(() => mock.GetEnumerator()).ReturnsLazily(() => data?.GetEnumerator());
}
return mock;
}

private static void ConfigureAsyncEnumerableCalls<TEntity>(
this DbSet<TEntity> mock,
IAsyncEnumerable<TEntity> enumerable) where TEntity : class
{
A.CallTo(() => mock.GetAsyncEnumerator(A<CancellationToken>.Ignored))
.Returns(enumerable.GetAsyncEnumerator());
}
private static void ConfigureQueryableCalls<TEntity>(
this IQueryable<TEntity> mock,
IQueryProvider queryProvider,
IQueryable<TEntity> data) where TEntity : class
{
A.CallTo(() => mock.Provider).Returns(queryProvider);
A.CallTo(() => mock.Expression).Returns(data?.Expression);
A.CallTo(() => mock.ElementType).Returns(data?.ElementType);
A.CallTo(() => mock.GetEnumerator()).ReturnsLazily(() => data?.GetEnumerator());
}

private static void ConfigureDbSetCalls<TEntity>(this DbSet<TEntity> mock, IQueryable<TEntity> data)
where TEntity : class
{
A.CallTo(() => mock.AsQueryable()).Returns(data.AsQueryable());
A.CallTo(() => mock.AsAsyncEnumerable()).ReturnsLazily(args => CreateAsyncMock(data));
}
private static void ConfigureAsyncEnumerableCalls<TEntity>(
this DbSet<TEntity> mock,
IAsyncEnumerable<TEntity> enumerable) where TEntity : class
{
A.CallTo(() => mock.GetAsyncEnumerator(A<CancellationToken>.Ignored))
.Returns(enumerable.GetAsyncEnumerator());
}

private static async IAsyncEnumerable<TEntity> CreateAsyncMock<TEntity>(
this IEnumerable<TEntity> data)
where TEntity : class
{
private static void ConfigureDbSetCalls<TEntity>(this DbSet<TEntity> mock, IQueryable<TEntity> data)
where TEntity : class
{
A.CallTo(() => mock.AsQueryable()).Returns(mock);
A.CallTo(() => mock.AsAsyncEnumerable()).ReturnsLazily(args => CreateAsyncMock(data));
}

private static async IAsyncEnumerable<TEntity> CreateAsyncMock<TEntity>(
this IEnumerable<TEntity> data)
where TEntity : class
{

foreach (var entity in data)
{
yield return entity;
}
foreach (var entity in data)
{
yield return entity;
}

await Task.CompletedTask;
await Task.CompletedTask;
}
}
}
}
154 changes: 76 additions & 78 deletions src/MockQueryable/MockQueryable.Moq/MoqExtensions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,92 +10,90 @@

namespace MockQueryable.Moq
{
public static class MoqExtensions
{

/// <summary>
/// This method allows you to create a mock DbSet for testing purposes.
/// It is particularly useful when you want to simulate the behavior of Entity Framework Core's DbSet
/// with custom expression handling, such as for testing LINQ queries or database operations.
/// The method takes an IQueryable of the entity type and returns a mocked DbSet that implements
/// both IAsyncEnumerable and IQueryable interfaces, allowing for asynchronous enumeration
/// and LINQ query capabilities.
/// </summary>
/// <typeparam name="TEntity">
/// The type of the entity that the DbSet will represent.
/// </typeparam>
public static Mock<DbSet<TEntity>> BuildMockDbSet<TEntity>(this ICollection<TEntity> data) where TEntity : class
public static class MoqExtensions
{
return BuildMockDbSet<TEntity, TestExpressionVisitor>(data);
}

/// <summary>
/// This method allows you to create a mock DbSet for testing purposes.
/// It is particularly useful when you want to simulate the behavior of Entity Framework Core's DbSet
/// with custom expression handling, such as for testing LINQ queries or database operations.
/// The method takes an IQueryable of the entity type and returns a mocked DbSet that implements
/// both IAsyncEnumerable and IQueryable interfaces, allowing for asynchronous enumeration
/// and LINQ query capabilities.
/// </summary>
/// <typeparam name="TEntity">
/// The type of the entity that the DbSet will represent.
/// </typeparam>
/// <typeparam name="TExpressionVisitor">
/// The type of the expression visitor that will be used to process LINQ expressions.
/// Can be used to mock EF Core specific expression handling, such as for ILike expressions.
/// </typeparam>
public static Mock<DbSet<TEntity>> BuildMockDbSet<TEntity, TExpressionVisitor>(this ICollection<TEntity> data)
where TEntity : class
where TExpressionVisitor : ExpressionVisitor, new()
{
var mock = new Mock<DbSet<TEntity>>();
var enumerable = new TestAsyncEnumerableEfCore<TEntity, TExpressionVisitor>(data, entity => data.Remove(entity));
mock.ConfigureAsyncEnumerableCalls(enumerable);
mock.As<IQueryable<TEntity>>().ConfigureQueryableCalls(enumerable, data.AsQueryable());
mock.As<IAsyncEnumerable<TEntity>>().Setup(x => x.GetAsyncEnumerator(It.IsAny<CancellationToken>())).Returns(() => enumerable.GetAsyncEnumerator());
mock.Setup(m => m.AsQueryable()).Returns(enumerable);
/// <summary>
/// This method allows you to create a mock DbSet for testing purposes.
/// It is particularly useful when you want to simulate the behavior of Entity Framework Core's DbSet
/// with custom expression handling, such as for testing LINQ queries or database operations.
/// The method takes an IQueryable of the entity type and returns a mocked DbSet that implements
/// both IAsyncEnumerable and IQueryable interfaces, allowing for asynchronous enumeration
/// and LINQ query capabilities.
/// </summary>
/// <typeparam name="TEntity">
/// The type of the entity that the DbSet will represent.
/// </typeparam>
public static Mock<DbSet<TEntity>> BuildMockDbSet<TEntity>(this ICollection<TEntity> data) where TEntity : class
{
return BuildMockDbSet<TEntity, TestExpressionVisitor>(data);
}

mock.ConfigureDbSetCalls(data.AsQueryable());
return mock;
}
/// <summary>
/// This method allows you to create a mock DbSet for testing purposes.
/// It is particularly useful when you want to simulate the behavior of Entity Framework Core's DbSet
/// with custom expression handling, such as for testing LINQ queries or database operations.
/// The method takes an IQueryable of the entity type and returns a mocked DbSet that implements
/// both IAsyncEnumerable and IQueryable interfaces, allowing for asynchronous enumeration
/// and LINQ query capabilities.
/// </summary>
/// <typeparam name="TEntity">
/// The type of the entity that the DbSet will represent.
/// </typeparam>
/// <typeparam name="TExpressionVisitor">
/// The type of the expression visitor that will be used to process LINQ expressions.
/// Can be used to mock EF Core specific expression handling, such as for ILike expressions.
/// </typeparam>
public static Mock<DbSet<TEntity>> BuildMockDbSet<TEntity, TExpressionVisitor>(this ICollection<TEntity> data)
where TEntity : class
where TExpressionVisitor : ExpressionVisitor, new()
{
var mock = new Mock<DbSet<TEntity>>();
var enumerable = new TestAsyncEnumerableEfCore<TEntity, TExpressionVisitor>(data, entity => data.Remove(entity));
mock.ConfigureAsyncEnumerableCalls(enumerable);
mock.As<IQueryable<TEntity>>().ConfigureQueryableCalls(enumerable, data.AsQueryable());
mock.As<IAsyncEnumerable<TEntity>>().Setup(x => x.GetAsyncEnumerator(It.IsAny<CancellationToken>())).Returns(() => enumerable.GetAsyncEnumerator());
mock.Setup(m => m.AsQueryable()).Returns(enumerable);

private static void ConfigureDbSetCalls<TEntity>(this Mock<DbSet<TEntity>> mock, IQueryable<TEntity> data)
where TEntity : class
{
mock.Setup(m => m.AsQueryable()).Returns(mock.Object);
mock.Setup(m => m.AsAsyncEnumerable()).Returns(CreateAsyncMock(data));
}
mock.ConfigureDbSetCalls(data.AsQueryable());
return mock;
}

private static void ConfigureQueryableCalls<TEntity>(
this Mock<IQueryable<TEntity>> mock,
IQueryProvider queryProvider,
IQueryable<TEntity> data) where TEntity : class
{
mock.Setup(m => m.Provider).Returns(queryProvider);
mock.Setup(m => m.Expression).Returns(data?.Expression);
mock.Setup(m => m.ElementType).Returns(data?.ElementType);
mock.Setup(m => m.GetEnumerator()).Returns(() => data?.GetEnumerator());
private static void ConfigureDbSetCalls<TEntity>(this Mock<DbSet<TEntity>> mock, IQueryable<TEntity> data)
where TEntity : class
{
mock.Setup(m => m.AsQueryable()).Returns(mock.Object);
mock.Setup(m => m.AsAsyncEnumerable()).Returns(CreateAsyncMock(data));
}

}
private static void ConfigureQueryableCalls<TEntity>(
this Mock<IQueryable<TEntity>> mock,
IQueryProvider queryProvider,
IQueryable<TEntity> data) where TEntity : class
{
mock.Setup(m => m.Provider).Returns(queryProvider);
mock.Setup(m => m.Expression).Returns(data?.Expression);
mock.Setup(m => m.ElementType).Returns(data?.ElementType);
mock.Setup(m => m.GetEnumerator()).Returns(() => data?.GetEnumerator());
}

private static void ConfigureAsyncEnumerableCalls<TEntity>(
this Mock<DbSet<TEntity>> mock,
IAsyncEnumerable<TEntity> enumerable) where TEntity : class
{
mock.Setup(d => d.GetAsyncEnumerator(It.IsAny<CancellationToken>()))
.Returns(() => enumerable.GetAsyncEnumerator());

}
private static void ConfigureAsyncEnumerableCalls<TEntity>(
this Mock<DbSet<TEntity>> mock,
IAsyncEnumerable<TEntity> enumerable) where TEntity : class
{
mock.Setup(d => d.GetAsyncEnumerator(It.IsAny<CancellationToken>()))
.Returns(() => enumerable.GetAsyncEnumerator());
}

private static async IAsyncEnumerable<TEntity> CreateAsyncMock<TEntity>(IEnumerable<TEntity> data)
where TEntity : class
{
foreach (var entity in data)
{
yield return entity;
}
private static async IAsyncEnumerable<TEntity> CreateAsyncMock<TEntity>(IEnumerable<TEntity> data)
where TEntity : class
{
foreach (var entity in data)
{
yield return entity;
}

await Task.CompletedTask;
await Task.CompletedTask;
}
}
}
}
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