public void Will_keep_new_values_and_discard_old_when_limiting()
{
GlobalOptions.Instance.CompilerCacheFile = null;
GlobalOptions.Instance.CompilerCacheFileMaxSizeBytes = 100;
var cache = new Testable <CompilerCache>();
var ms = new ExplicitDisposableMemoryStream(GlobalOptions.Instance.CompilerCacheFileMaxSizeBytes * 2);
cache.Mock <IFileSystemWrapper>()
.Setup(x => x.GetTemporaryFolder(Constants.ChutzpahCompilerCacheFolder))
.Returns("tmp");
var cacheFile = Path.Combine("tmp", Constants.ChutzpahCompilerCacheFileName);
cache.Mock <IFileSystemWrapper>().Setup(x => x.FileExists(cacheFile)).Returns(false);
cache.ClassUnderTest.Set("ShouldBeRemoved", "SomeCode");
Thread.Sleep(5);
// Fill cache with more than the max-size
cache.ClassUnderTest.Set("buffer", new string('x', 100));
Thread.Sleep(5);
cache.ClassUnderTest.Set("ShouldStillBeHere", "SomeOtherCode");
cache.ClassUnderTest.Save();
var savedValue = cache.ClassUnderTest.Get("ShouldStillBeHere");
var removedValue = cache.ClassUnderTest.Get("ShouldBeRemoved");
Assert.True(string.IsNullOrEmpty(removedValue));
Assert.Equal("SomeOtherCode", savedValue);
ms.ExplicitDispose();
}
public void Will_limit_the_size_of_the_cache_file()
{
GlobalOptions.Instance.CompilerCacheFile = null;
GlobalOptions.Instance.CompilerCacheFileMaxSizeBytes = 100;
var cache = new Testable <CompilerCache>();
var ms = new ExplicitDisposableMemoryStream(GlobalOptions.Instance.CompilerCacheFileMaxSizeBytes * 2);
cache.Mock <IFileSystemWrapper>()
.Setup(x => x.GetTemporaryFolder(Constants.ChutzpahCompilerCacheFolder))
.Returns("tmp");
var cacheFile = Path.Combine("tmp", Constants.ChutzpahCompilerCacheFileName);
cache.Mock <IFileSystemWrapper>().Setup(x => x.FileExists(cacheFile)).Returns(false);
cache.Mock <IFileSystemWrapper>().Setup(x => x.Open(cacheFile, FileMode.Create, FileAccess.Write))
.Returns(ms);
cache.ClassUnderTest.Set("buffer", new string('x', 100));
cache.ClassUnderTest.Save();
cache.Mock <IFileSystemWrapper>().Verify(x => x.FileExists(cacheFile), Times.Once());
cache.Mock <IFileSystemWrapper>()
.Verify(x => x.Open(cacheFile, FileMode.Create, FileAccess.Write), Times.Once());
Assert.True(ms.Position < GlobalOptions.Instance.CompilerCacheFileMaxSizeBytes);
ms.ExplicitDispose();
}
