public async Task ObjectResult_AsyncEnumeration_AtLimit()
{
// Arrange
var count = 24;
var executor = CreateExecutor(options: new MvcOptions {
MaxIAsyncEnumerableBufferLimit = count
});
var result = new ObjectResult(AsyncEnumerable(count: count));
var formatter = new TestJsonOutputFormatter();
result.Formatters.Add(formatter);
var actionContext = new ActionContext()
{
HttpContext = GetHttpContext(),
};
// Act
await executor.ExecuteAsync(actionContext, result);
// Assert
var formatterContext = formatter.LastOutputFormatterContext;
var value = Assert.IsType <List <string> >(formatterContext.Object);
Assert.Equal(24, value.Count);
}
public async Task ObjectResult_ReadsAsyncEnumerables()
{
// Arrange
var executor = CreateExecutor();
var result = new ObjectResult(AsyncEnumerable());
var formatter = new TestJsonOutputFormatter();
result.Formatters.Add(formatter);
var actionContext = new ActionContext()
{
HttpContext = GetHttpContext(),
};
// Act
await executor.ExecuteAsync(actionContext, result);
// Assert
var formatterContext = formatter.LastOutputFormatterContext;
Assert.Equal(typeof(List <string>), formatterContext.ObjectType);
var value = Assert.IsType <List <string> >(formatterContext.Object);
Assert.Equal(new[] { "Hello 0", "Hello 1", "Hello 2", "Hello 3", }, value);
}
public async Task ObjectResult_Throws_IfEnumerableThrows()
{
// Arrange
var executor = CreateExecutor();
var result = new ObjectResult(AsyncEnumerable(throwError: true));
var formatter = new TestJsonOutputFormatter();
result.Formatters.Add(formatter);
var actionContext = new ActionContext()
{
HttpContext = GetHttpContext(),
};
// Act & Assert
await Assert.ThrowsAsync <TimeZoneNotFoundException>(() => executor.ExecuteAsync(actionContext, result));
}
public async Task ObjectResult_Throws_IfEnumerationExceedsLimit(int count)
{
// Arrange
var executor = CreateExecutor(options: new MvcOptions {
MaxIAsyncEnumerableBufferLimit = 24
});
var result = new ObjectResult(AsyncEnumerable(count: count));
var formatter = new TestJsonOutputFormatter();
result.Formatters.Add(formatter);
var actionContext = new ActionContext()
{
HttpContext = GetHttpContext(),
};
// Act & Assert
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => executor.ExecuteAsync(actionContext, result));
}
public async Task ObjectResult_NullValue()
{
// Arrange
var executor = CreateExecutor();
var result = new ObjectResult(value: null);
var formatter = new TestJsonOutputFormatter();
result.Formatters.Add(formatter);
var actionContext = new ActionContext()
{
HttpContext = GetHttpContext(),
};
// Act
await executor.ExecuteAsync(actionContext, result);
// Assert
var formatterContext = formatter.LastOutputFormatterContext;
Assert.Null(formatterContext.Object);
}