public async Task SaveChangesAsync()
{
// Arrange
var entity = new FakeEntity("Name");
var databaseName = $"{DatabaseNamePrefix}.{nameof(SaveChangesAsync)}";
var options = new DbContextOptionsBuilder <FakeContext>()
.UseInMemoryDatabase(databaseName)
.Options;
using (var context = new FakeContext(options))
{
context.Add(entity);
await context.SaveChangesAsync(true);
}
// Act
using (var context = new FakeContext(options))
{
context.Entry(entity).State = EntityState.Modified;
await context.SaveChangesAsync(true);
}
// Assert
using (var context = new FakeContext(options))
{
entity = await context.FindAsync <FakeEntity>(entity.Id);
}
Assert.NotNull(entity?.Updated);
}
public async Task Delete()
{
// Arrange
var entity = new FakeEntity("Name");
var databaseName = $"{DatabaseNamePrefix}.{nameof(Delete)}";
var options = new DbContextOptionsBuilder <FakeContext>()
.UseInMemoryDatabase(databaseName)
.Options;
using (var context = new FakeContext(options))
{
context.Add(entity);
await context.SaveChangesAsync();
}
var keyValues = new object[] { entity.Id };
var request = new Mock <DeleteRequest>(new object[] { keyValues });
// Act
using (var context = new FakeContext(options))
{
var requestHandler = new FakeDeleteRequestHandler(context);
await requestHandler.Handle(request.Object, CancellationToken.None);
}
// Assert
using (var context = new FakeContext(options))
{
entity = await context.FindAsync <FakeEntity>(keyValues);
Assert.Null(entity);
}
}
public async Task Read()
{
// Arrange
var entity = new FakeEntity("Name");
var model = new object();
var databaseName = $"{DatabaseNamePrefix}.{nameof(Read)}";
var options = new DbContextOptionsBuilder <FakeContext>()
.UseInMemoryDatabase(databaseName)
.Options;
using (var context = new FakeContext(options))
{
context.Add(entity);
await context.SaveChangesAsync();
}
var keyValues = new object[] { entity.Id };
var mapper = new Mock <IMapper>();
mapper.Setup(x => x.Map <object>(It.Is <FakeEntity>(y => y.Name == entity.Name))).Returns(model);
var request = new Mock <ReadRequest <FakeEntity, object> >(new object[] { keyValues });
object read;
// Act
using (var context = new FakeContext(options))
{
var requestHandler = new FakeReadRequestHandler(context, mapper.Object);
read = await requestHandler.Handle(request.Object, CancellationToken.None);
}
// Assert
Assert.Equal(model, read);
}
public void QueryCache()
{
var optionsBuilder = new DbContextOptionsBuilder <FakeContext>();
optionsBuilder.UseInMemoryDatabase("testName")
.ConfigureWarnings(x => x.Ignore(InMemoryEventId.TransactionIgnoredWarning));
var fakeContext = new FakeContext(optionsBuilder.Options);
QueryCacheManager.UseFirstTagAsCacheKey = true;
fakeContext.FakeModels.RemoveRange(fakeContext.FakeModels.ToList());
fakeContext.SaveChanges();
fakeContext.Add(new FakeModel {
FakeId = Guid.NewGuid(), FakeString = "fakeString"
});
QueryCacheManager.IsEnabled = false;
fakeContext.SaveChanges();
try
{
var fakeModels = fakeContext
.FakeModels
.FromCache(typeof(FakeModel).Name)
.ToList();
var fakeModels2 = fakeContext
.FakeModels
.FromCache(typeof(FakeModel).Name)
.ToList();
Assert.AreEqual(1, fakeModels.Count);
Assert.AreEqual(1, fakeModels2.Count);
Assert.AreEqual(1, fakeContext
.FakeModels
.DeferredCount()
.FromCache(typeof(FakeModel).Name));
}
finally
{
QueryCacheManager.UseFirstTagAsCacheKey = false;
QueryCacheManager.IsEnabled = true;
}
}
public void MyTestMethod()
{
var optionsBuilder = new DbContextOptionsBuilder <FakeContext>();
optionsBuilder.UseInMemoryDatabase("testName")
.ConfigureWarnings(x => x.Ignore(InMemoryEventId.TransactionIgnoredWarning));
var fakeContext = new FakeContext(optionsBuilder.Options);
QueryCacheManager.UseFirstTagAsCacheKey = true;
fakeContext.Add(new FakeModel {
FakeId = Guid.NewGuid(), FakeString = "fakeString"
});
var fakeModels = fakeContext
.FakeModels
.FromCache(typeof(FakeModel).Name)
.ToList();
}
public async Task Update()
{
// Arrange
const string newName = "New Name";
var entity = new FakeEntity("Name");
var databaseName = $"{DatabaseNamePrefix}.{nameof(Update)}";
var options = new DbContextOptionsBuilder <FakeContext>()
.UseInMemoryDatabase(databaseName)
.Options;
using (var context = new FakeContext(options))
{
context.Add(entity);
await context.SaveChangesAsync();
}
entity.Name = newName;
var keyValues = new object[] { entity.Id };
var mapper = new Mock <IMapper>();
mapper.Setup(x => x.Map <FakeEntity>(It.IsAny <object>())).Returns(entity);
var request = new Mock <UpdateRequest <FakeEntity, object> >(new object());
// Act
using (var context = new FakeContext(options))
{
var requestHandler = new FakeUpdateRequestHandler(context, mapper.Object);
await requestHandler.Handle(request.Object, CancellationToken.None);
}
// Assert
using (var context = new FakeContext(options))
{
entity = await context.FindAsync <FakeEntity>(keyValues);
Assert.Equal(newName, entity.Name);
}
}