public void RankerThrowsException_RankAndHumanify_ThrowsException()
{
Mock<IRanker> mock_ranker = new Mock<IRanker>();
mock_ranker.Setup(r => r.Rank(It.IsAny<string>(), It.IsAny<string>()))
.Throws<Exception>();
Action action = () => CheckRankingsService.RankAndHumanify(mock_ranker.Object, "doesn't matter");
action.Should().Throw<Exception>("the service is only expected to deal with ExtractionExceptions");
}
public void RankerThrowsExtractionException_RankAndHumanify_ReturnsExceptionMessage()
{
const string MESSAGE = "this is a test!";
Mock<IRanker> mock_ranker = new Mock<IRanker>();
mock_ranker.Setup(r => r.Rank(It.IsAny<string>(), It.IsAny<string>()))
.Throws(new ExtractionException(MESSAGE));
(string strong, string normal) result = CheckRankingsService.RankAndHumanify(mock_ranker.Object, "doesn't matter");
result.Should().Be(("Error: ", MESSAGE), "the message from an ExtractionException should be passed back to the user");
}
public void RankerReturnsZero_RankAndHumanify_ReturnsPoliteRejectionMessage()
{
Mock<IRanker> mock_ranker = new Mock<IRanker>();
mock_ranker.Setup(r => r.Rank(It.IsAny<string>(), It.IsAny<string>()))
.Returns("0");
(string strong, string normal) result = CheckRankingsService.RankAndHumanify(mock_ranker.Object, "doesn't matter");
result.Should().Be(("Result: ", "The site 'infotrack.com.au' could not be found in the search results."),
"such a message lets the user down gently");
}
public void RankerReturnsSingleIndex_RankAndHumanify_ReturnsSingularMessage()
{
Mock<IRanker> mock_ranker = new Mock<IRanker>();
mock_ranker.Setup(r => r.Rank(It.IsAny<string>(), It.IsAny<string>()))
.Returns("4");
(string strong, string normal) result = CheckRankingsService.RankAndHumanify(mock_ranker.Object, "doesn't matter");
result.Should().Be(("Result: ", "The site 'infotrack.com.au' was found at the following index (where 1 represents the first search result): 4."),
"a count noun referring to a single thing should take singular form");
}
public IActionResult CheckRankings(string query)
{
string strong, normal;
try {
(strong, normal) = CheckRankingsService.RankAndHumanify(ranker, query);
} catch (Exception ex) {
strong = "Error: ";
normal = $"An unexpected error occurred: {ex.Message}";
log.LogError(ex, $"Unexpected error during {nameof(CheckRankings)}");
}
return(Json(new Dictionary <string, string>()
{
["strong"] = strong,
["normal"] = normal
}));
}
