public async Task ShouldRetrievePhotosFromNasaApiNoSpecifiedCamera()
{
var options = new DbContextOptionsBuilder <NasaContext>()
.UseInMemoryDatabase(databaseName: "Nasa")
.Options;
using (var context = new NasaContext(options))
{
var rover = _fixture.Create <Business.Models.Rover>();
var camera = _fixture.Build <Business.Models.Camera>()
.With(x => x.Rover, rover)
.With(x => x.RoverId, rover.Id)
.Create();
context.Rovers.Add(rover);
context.Cameras.Add(camera);
context.SaveChanges();
var query = _fixture.Build <GetPhotos.Query>()
.With(x => x.RoverId, rover.Id)
.Without(x => x.Camera)
.Create();
var expectedPhotos = _fixture.Build <Business.Models.Photo>()
.With(x => x.Camera, camera)
.With(x => x.EarthDate, query.Date.Date)
.CreateMany()
.ToList();
var expectedResult = new GetPhotos.Result
{
Photos = expectedPhotos.Select(x => new GetPhotos.Photo {
Id = x.Id, ImgSrc = x.ImgSrc
}).ToList()
};
_api.GetPhotos(Arg.Is <string>(x => x == rover.Name), Arg.Is <DateTime>(x => x == query.Date.Date))
.Returns(new PhotoResponse
{
Photos = expectedPhotos
});
var handler = new GetPhotos.Handler(_api, context);
var result = await handler.Handle(query, CancellationToken.None);
//Check Result
result.Should().BeEquivalentTo(expectedResult);
//Check db to make sure they were inserted properly
context.Photos.Should().NotBeEmpty();
foreach (var photo in expectedPhotos)
{
context.Photos.Should().Contain(photo);
}
//Make sure the api was actually hit
await _api.Received().GetPhotos(Arg.Is <string>(x => x == rover.Name), Arg.Is <DateTime>(x => x == query.Date.Date));
}
}
public async Task ShouldReturnSavedPhotosInsteadOfCallingNasaApi()
{
var options = new DbContextOptionsBuilder <NasaContext>()
.UseInMemoryDatabase(databaseName: "Nasa")
.Options;
using (var context = new NasaContext(options))
{
var date = DateTime.Today.AddDays(-1);
var rover = _fixture.Create <Business.Models.Rover>();
var camera = _fixture.Build <Business.Models.Camera>()
.With(x => x.Rover, rover)
.With(x => x.RoverId, rover.Id)
.Create();
var photos = _fixture.Build <Business.Models.Photo>()
.With(x => x.Camera, camera)
.With(x => x.CameraId, camera.Id)
.With(x => x.EarthDate, date)
.CreateMany()
.ToList();
context.Rovers.Add(rover);
context.Cameras.Add(camera);
context.Photos.AddRange(photos);
context.SaveChanges();
var expectedResult = new GetPhotos.Result
{
Photos = photos.Select(x => new GetPhotos.Photo {
Id = x.Id, ImgSrc = x.ImgSrc
}).ToList()
};
var query = _fixture.Build <GetPhotos.Query>()
.With(x => x.RoverId, rover.Id)
.With(x => x.Date, date)
.Without(x => x.Camera)
.Create();
var handler = new GetPhotos.Handler(_api, context);
var result = await handler.Handle(query, CancellationToken.None);
//Check Result
result.Should().BeEquivalentTo(expectedResult);
//Make sure api wasn't hit
await _api.DidNotReceive().GetPhotos(Arg.Any <string>(), Arg.Any <DateTime>());
}
}
public async Task ShouldThrowIfInvalidRoverId()
{
var expectedMessage = "Invalid rover Id";
var options = new DbContextOptionsBuilder <NasaContext>()
.UseInMemoryDatabase(databaseName: "Nasa")
.Options;
using (var context = new NasaContext(options))
{
var query = _fixture.Create <GetPhotos.Query>();
var handler = new GetPhotos.Handler(_api, context);
Action action = () => handler.Handle(query, CancellationToken.None).Wait();
action.Should().Throw <Exception>().WithMessage(expectedMessage);
await _api.DidNotReceive().GetPhotos(Arg.Any <string>(), Arg.Any <DateTime>());
}
}
