public async Task CacheKeyIsNormalised()
{
// Arrange
var cache = new Mock <ICache <string> >();
cache.Setup(c => c.TryGet(It.IsAny <string>()))
.ReturnsAsync((false, null));
var client = new Mock <IFunTranslationsApiClient>();
client.Setup(c => c.ShakespeareTranslation(It.IsAny <string>()))
.ReturnsAsync(new FunTranslationResponse(new FunTranslationResponseContents("translated")));
var query = new TranslationQuery(cache.Object, client.Object, NullLogger <TranslationQuery> .Instance);
var description = @"It was created by
a scientist after
years of horrific
gene splicing and
DNA engineering
experiments.";
// Act
var translated = await query.Translate(Translation.Shakespeare, description);
// Assert
Assert.Equal("translated", translated);
cache.Verify(c => c.TryGet("Shakespeare-It was created by a scientist after years of horrific gene splicing and DNA engineering experiments."), Times.Once);
cache.Verify(c => c.Set("Shakespeare-It was created by a scientist after years of horrific gene splicing and DNA engineering experiments.", translated), Times.Once);
}
public async Task ValueRetrievedFromCacheIfAvailable(Translation translation)
{
// Arrange
var cache = new Mock <ICache <string> >();
cache.Setup(c => c.TryGet(It.IsAny <string>()))
.ReturnsAsync((true, "cached-description"));
var client = new Mock <IFunTranslationsApiClient>();
var query = new TranslationQuery(cache.Object, client.Object, NullLogger <TranslationQuery> .Instance);
// Act
var translated = await query.Translate(translation, "some-description");
// Assert
Assert.Equal("cached-description", translated);
cache.Verify(c => c.TryGet($"{translation}-some-description"), Times.Once);
client.Verify(c => c.YodaTranslation(It.IsAny <string>()), Times.Never);
client.Verify(c => c.ShakespeareTranslation(It.IsAny <string>()), Times.Never);
}
public async Task ShakespeareTranslationValueSetInCacheOnceRetrieved()
{
// Arrange
var cache = new Mock <ICache <string> >();
cache.Setup(c => c.TryGet(It.IsAny <string>()))
.ReturnsAsync((false, null));
var client = new Mock <IFunTranslationsApiClient>();
client.Setup(c => c.ShakespeareTranslation(It.IsAny <string>()))
.ReturnsAsync(new FunTranslationResponse(new FunTranslationResponseContents("translated")));
var query = new TranslationQuery(cache.Object, client.Object, NullLogger <TranslationQuery> .Instance);
// Act
var translated = await query.Translate(Translation.Shakespeare, "some-description");
// Assert
Assert.Equal("translated", translated);
cache.Verify(c => c.Set("Shakespeare-some-description", translated), Times.Once);
}