public void ExecuteAsync_ThrowsArgumentNullException_WhenHttpContextIsNull()
{
// Arrange
var result = new PushStreamHttpResult(s => Task.CompletedTask, "content-type");
HttpContext httpContext = null;
// Act & Assert
Assert.ThrowsAsync <ArgumentNullException>("httpContext", () => result.ExecuteAsync(httpContext));
}
public void Constructor_SetsContentTypeAndParameters()
{
// Arrange
var stream = Stream.Null;
var contentType = "text/plain; charset=us-ascii; p1=p1-value";
var expectedMediaType = contentType;
var callback = (Stream body) => body.WriteAsync(Encoding.UTF8.GetBytes("Hello World").AsMemory()).AsTask();
// Act
var result = new PushStreamHttpResult(callback, contentType);
// Assert
Assert.Equal(expectedMediaType, result.ContentType);
}
public async Task PushStreamResultsExposeTheResponseBody()
{
var result = new PushStreamHttpResult(body => body.WriteAsync(Encoding.UTF8.GetBytes("Hello World").AsMemory()).AsTask(), contentType: null);
var httpContext = new DefaultHttpContext
{
RequestServices = new ServiceCollection().AddLogging().BuildServiceProvider()
};
var ms = new MemoryStream();
httpContext.Response.Body = ms;
await result.ExecuteAsync(httpContext);
Assert.Equal("Hello World", Encoding.UTF8.GetString(ms.ToArray()));
Assert.Equal("application/octet-stream", result.ContentType);
}
public void Constructor_SetsLastModifiedAndEtag()
{
// Arrange
var stream = Stream.Null;
var contentType = "text/plain";
var expectedMediaType = contentType;
var lastModified = new DateTimeOffset();
var entityTag = new EntityTagHeaderValue("\"Etag\"");
var callback = (Stream body) => body.WriteAsync(Encoding.UTF8.GetBytes("Hello World").AsMemory()).AsTask();
// Act
var result = new PushStreamHttpResult(callback, contentType)
{
LastModified = lastModified,
EntityTag = entityTag,
};
// Assert
Assert.Equal(lastModified, result.LastModified);
Assert.Equal(entityTag, result.EntityTag);
Assert.Equal(expectedMediaType, result.ContentType);
}