public string BuildReply(RedditReplyBuilderParameters replyBuilderParameters)
{
ValidateParameters(replyBuilderParameters);
return(string.Format(
ReplyTemplate,
_rotationDescriptionDeterminer.GenerateRotationDescriptionMessageArgArgument(replyBuilderParameters.RotationMessageArg),
replyBuilderParameters.UploadedVideoUrl));
}
private static void ValidateParameters(RedditReplyBuilderParameters replyBuilderParameters)
{
if (string.IsNullOrEmpty(replyBuilderParameters.UploadedVideoUrl))
{
throw new RedditReplyBuilderException("Uploaded video URL was either null or empty");
}
if (string.IsNullOrEmpty(replyBuilderParameters.RotationMessageArg))
{
throw new RedditReplyBuilderException("Rotation description was either null or empty");
}
}
public void GivenValidUploadedVideoUrlAndInvalidRotationMessageArg_WhenRedditReplyIsBuilt_ThenRedditReplyBuilderExceptionIsThrown(string invalidRotationMessageArg)
{
// Arrange
var replyBuilderParameters = new RedditReplyBuilderParameters
{
UploadedVideoUrl = UploadedVideoUrl,
RotationMessageArg = invalidRotationMessageArg
};
// Act + Assert
Invoking(() => _redditReplyBuilder.BuildReply(replyBuilderParameters))
.Should().Throw <RedditReplyBuilderException>();
}
public void GivenUploadedVideoUrlAndRotationMessageArg_WhenRedditReplyIsBuilt_ThenRedditReplyIsReturnedSuccessfully()
{
// Arrange
var replyBuilderParameters = new RedditReplyBuilderParameters
{
UploadedVideoUrl = UploadedVideoUrl,
RotationMessageArg = RotationMessageArg
};
// Act
var reply = _redditReplyBuilder.BuildReply(replyBuilderParameters);
// Assert
Assert.Equal(CompletedReply, reply);
}
