public void ShouldLimitCacheToMaxCacheSize()
{
// Arrange
var cacheManager = new CacheManager();
cacheManager.IsCacheEnabled = true;
cacheManager.MaxCacheSize = 3;
cacheManager.IsMaxCacheSizeEnabled = true;
// Seed cache with some data
cacheManager.UpdateCache(typeof(int), typeof(double), isConvertable: true, conversionAttempt: new CastAttempt());
cacheManager.UpdateCache(typeof(int), typeof(string), isConvertable: true, conversionAttempt: new CastAttempt());
cacheManager.UpdateCache(typeof(int), typeof(long), isConvertable: true, conversionAttempt: new CastAttempt());
// Perform some read actions to weight the data
for (int i = 0; i < 3; i++)
{
cacheManager.TryGetCachedValue(typeof(int), typeof(double));
cacheManager.TryGetCachedValue(typeof(int), typeof(string));
}
// Act: Insert new data
cacheManager.UpdateCache(typeof(int), typeof(decimal), isConvertable: true, conversionAttempt: new CastAttempt());
// Assert: Check what data has to leave the buffer
var cacheResultIntDecimal = cacheManager.TryGetCachedValue(typeof(int), typeof(decimal));
cacheResultIntDecimal.IsCached.Should().BeTrue();
var cacheResultIntLong = cacheManager.TryGetCachedValue(typeof(int), typeof(long));
cacheResultIntLong.IsCached.Should().BeFalse();
}
public void ShouldGetCachedValue()
{
// Arrange
var cacheManager = new CacheManager();
cacheManager.IsCacheEnabled = true;
// Act
cacheManager.UpdateCache(typeof(int), typeof(double), isConvertable: true, conversionAttempt: new CastAttempt());
// Assert
var cacheResult = cacheManager.TryGetCachedValue(typeof(int), typeof(double));
cacheResult.ConversionAttempt.Should().BeOfType(typeof(CastAttempt));
cacheResult.IsCached.Should().BeTrue();
}
public void ShouldNotGetCachedValueIfCachingIsDisabled()
{
// Arrange
var cacheManager = new CacheManager();
cacheManager.IsCacheEnabled = true;
cacheManager.UpdateCache(typeof(int), typeof(double), isConvertable: true, conversionAttempt: new CastAttempt());
cacheManager.IsCacheEnabled = false;
// Act
var cacheResult = cacheManager.TryGetCachedValue(typeof(int), typeof(double));
// Assert
cacheResult.ConversionAttempt.Should().BeNull();
cacheResult.IsCached.Should().BeFalse();
}
public void ShouldReduceCacheSizeWhenMaxCacheSizeIsEnabled()
{
// Arrange
var cacheManager = new CacheManager();
cacheManager.IsCacheEnabled = true;
cacheManager.MaxCacheSize = 3;
cacheManager.IsMaxCacheSizeEnabled = false;
cacheManager.UpdateCache(typeof(int), typeof(double), isConvertable: true, conversionAttempt: new CastAttempt());
cacheManager.UpdateCache(typeof(int), typeof(string), isConvertable: true, conversionAttempt: new CastAttempt());
cacheManager.UpdateCache(typeof(int), typeof(long), isConvertable: true, conversionAttempt: new CastAttempt());
cacheManager.UpdateCache(typeof(int), typeof(decimal), isConvertable: true, conversionAttempt: new CastAttempt());
// Perform some read actions to weight the data
for (int i = 0; i < 3; i++)
{
cacheManager.TryGetCachedValue(typeof(int), typeof(double));
cacheManager.TryGetCachedValue(typeof(int), typeof(string));
}
cacheManager.TryGetCachedValue(typeof(int), typeof(decimal));
// Act
cacheManager.IsMaxCacheSizeEnabled = true;
// Assert
var cacheResultIntDecimal = cacheManager.TryGetCachedValue(typeof(int), typeof(decimal));
cacheResultIntDecimal.IsCached.Should().BeTrue();
var cacheResultIntLong = cacheManager.TryGetCachedValue(typeof(int), typeof(long));
cacheResultIntLong.IsCached.Should().BeFalse();
}
public void ShouldNotGetCachedValueWhenEmpty()
{
// Arrange
var cacheManager = new CacheManager();
cacheManager.IsCacheEnabled = true;
// Act
var cacheResult = cacheManager.TryGetCachedValue(typeof(int), typeof(double));
// Assert
cacheResult.ConversionAttempt.Should().BeNull();
cacheResult.IsCached.Should().BeFalse();
}