public async Task GivenQuestionList_WhenICallGetSummary_ThenASummaryIsReturnedWithASetOfDistinctTags()
{
// Arrange
DateTime dateTime = new DateTime(2013, 01, 4);
List <Question> questions = new List <Question>
{
new Question(new CreateQuestionDto {
Tags = new[] { "x", "b", "z" }
}),
new Question(new CreateQuestionDto {
Tags = new[] { "a", "c", "z" }
}),
new Question(new CreateQuestionDto {
Tags = new[] { "z" }
}),
};
_questionRepositoryMock
.Setup(x => x.GetAllForDate(dateTime))
.ReturnsAsync(questions);
// Act
DaySummaryDto daySummaryDto = await _daySummaryService.GetSummaryAsync(dateTime);
// Assert
Assert.That(daySummaryDto.UniqueTags.Count(), Is.EqualTo(5));
}
public async Task GivenQuestionList_WhenICallGetSummary_ThenASummaryIsReturnedWithAViewTotal()
{
// Arrange
DateTime dateTime = new DateTime(2013, 01, 4);
List <Question> questions = new List <Question>
{
new Question(new CreateQuestionDto {
ViewTotal = 3
}),
new Question(new CreateQuestionDto {
ViewTotal = 4
}),
new Question(new CreateQuestionDto {
ViewTotal = 1
}),
};
_questionRepositoryMock
.Setup(x => x.GetAllForDate(dateTime))
.ReturnsAsync(questions);
// Act
DaySummaryDto daySummaryDto = await _daySummaryService.GetSummaryAsync(dateTime);
// Assert
Assert.That(daySummaryDto.ViewTotal, Is.EqualTo(8));
}
public async Task GivenValidDate_WhenIRun_ThenASummaryIsOutput()
{
// Arrange
string validDate = "2019-03-01";
DateTime?dateTime = new DateTime(2019, 3, 1);
_dateParserMock.Setup(x => x.Parse(validDate)).Returns(dateTime);
DaySummaryDto daySummaryDto = new DaySummaryDto
{
QuestionTotal = 14,
ViewTotal = 15415,
UniqueTags = new[] { "z" }
};
_daySummaryServiceMock
.Setup(x => x.GetSummaryAsync(dateTime.Value))
.ReturnsAsync(daySummaryDto);
string formattedTags = "tags!";
_tagFormatterMock.Setup(x => x.Format(daySummaryDto.UniqueTags)).Returns(formattedTags);
// Act
await _consoleAppService.Run(new[] { validDate });
// Assert
string[] outputs = _testAppOutput.Outputs.ToArray();
Assert.That(outputs[0], Is.EqualTo("Summary for date: " + validDate));
Assert.That(outputs[1], Is.EqualTo($"Total questions: {daySummaryDto.QuestionTotal}"));
Assert.That(outputs[2], Is.EqualTo($"Total views: {daySummaryDto.ViewTotal}"));
Assert.That(outputs[4], Is.EqualTo(formattedTags));
}
public async Task Run(string[] args)
{
// An argument parser could be used here
if (args.Length == 0)
{
_appOutput.WriteLine("A date must be provided in the format yyyy-MM-dd");
// No date provided so terminate early
return;
}
DateTime?dateTime = _dateParser.Parse(args[0]);
if (!dateTime.HasValue)
{
_appOutput.WriteLine($"the input date '{args[0]}' must be provided in the format yyyy-MM-dd");
// No date could be parsed so terminate early
return;
}
DaySummaryDto daySummaryDto = await _daySummaryService.GetSummaryAsync(dateTime.Value);
if (daySummaryDto == null)
{
_appOutput.WriteLine(
$"an error occured when trying to retrieve the summary for the date '{dateTime.Value}'. " +
$"Please try again.");
// Unable to retrieve summary properly, so terminate early
return;
}
_appOutput.WriteLine($"Summary for date: {dateTime.Value:yyyy-MM-dd}");
_appOutput.WriteLine($"Total questions: {daySummaryDto.QuestionTotal}");
_appOutput.WriteLine($"Total views: {daySummaryDto.ViewTotal}");
_appOutput.WriteLine("Tags:");
string tags = _tagFormatter.Format(daySummaryDto.UniqueTags);
_appOutput.WriteLine(tags);
}
