public void TestCache()
{
const string filename = "time_series_covid19_deaths_global.csv";
HopkinsModelFileCacheReader reader = new HopkinsModelFileCacheReader(
new HopkinsModelDowloader(filename), filename);
string data = reader.GetRawModel();
Assert.IsTrue(File.Exists(filename));
}
public void TestReader()
{
const string filename = "time_series_covid19_deaths_global.csv";
HopkinsModelFileCacheReader reader = new HopkinsModelFileCacheReader(
new HopkinsModelDowloader(filename), filename);
string data = reader.GetRawModel();
Assert.AreNotEqual(data, string.Empty);
}
public void TestCacheHit()
{
const string filename = "time_series_covid19_deaths_global.csv";
HopkinsModelFileCacheReader reader = new HopkinsModelFileCacheReader(
new HopkinsModelDowloader(filename), filename);
reader.CacheInvalidate();
string data = reader.GetRawModel();
Assert.IsFalse(reader.CacheHit);
data = reader.GetRawModel();
Assert.IsTrue(reader.CacheHit);
reader.CacheInvalidate();
data = reader.GetRawModel();
Assert.IsFalse(reader.CacheHit);
}
public void TestCacheExpire()
{
const string filename = "time_series_covid19_deaths_global.csv";
HopkinsModelFileCacheReader reader = new HopkinsModelFileCacheReader(
new HopkinsModelDowloader(filename), filename);
reader.CacheInvalidate();
string data = reader.GetRawModel();
Assert.IsFalse(reader.CacheHit);
File.SetLastWriteTime(filename, DateTime.Now);
data = reader.GetRawModel();
Assert.IsTrue(reader.CacheHit);
File.SetLastWriteTime(filename, DateTime.Now.AddHours(-HopkinsModelFileCacheReader.EXPIRES_HOURS - 1));
data = reader.GetRawModel();
Assert.IsFalse(reader.CacheHit);
}
