public async Task GetPreviousShoutsPage_CallsAllExpectedServices()
{
// Arrange
var shouts = new Shout[]
{
new Shout(),
new Shout(),
new Shout()
};
var shoutsResponse = new ShoutsResponse
{
ContinuationToken = new ContinuationToken(),
Shouts = shouts
};
_continuationTokenHelperMock
.Setup(x => x.GetPreviousPageToken())
.Returns(new ContinuationToken());
_apiClientMock
.Setup(x => x.GetShoutsResponse(It.IsAny <ContinuationToken>()))
.ReturnsAsync(shoutsResponse);
// Act
var result = await _paginationService.GetPreviousShoutsPage();
// Assert
Assert.Equal(shouts, result);
_continuationTokenHelperMock.Verify(x => x.AddToken(It.IsAny <ContinuationToken>()), Times.Never);
}