public void AutoShrinkTest()
{
NFileCache target = new NFileCache("AutoShrinkTest");
target.DefaultPolicy = new CacheItemPolicy {
SlidingExpiration = TimeSpan.FromMinutes(1D)
};
target.MaxCacheSize = 20000;
target.CacheResized += (object sender, FileCacheEventArgs args) =>
{
Assert.IsNotNull(target["foo10"]);
Assert.IsNotNull(target["foo40"]);
};
for (int i = 0; i < 100; i++)
{
target["foo" + i] = "bar";
// Test to make sure it leaves items that have been recently accessed.
if (i % 5 == 0 && i != 0)
{
var foo10 = target.Get("foo10");
var foo40 = target.Get("foo40");
}
}
}
public void CustomObjectSaveTest()
{
NFileCache target = new NFileCache("CustomObjectSaveTest");
// Create custom object
CustomObjB custom = new CustomObjB
{
Num = 5,
Obj = new CustomObjA
{
Name = "test"
}
};
CacheItem item = new CacheItem("foo")
{
Value = custom,
RegionName = "foobar"
};
// Set it
target.Set(item, new CacheItemPolicy());
// Now get it back
CacheItem fromCache = target.GetCacheItem("foo", "foobar");
// Pulling twice increases code coverage
fromCache = target.GetCacheItem("foo", "foobar");
custom = fromCache.Value as CustomObjB;
Assert.IsNotNull(custom);
Assert.IsNotNull(custom.Obj);
Assert.AreEqual(custom.Num, 5);
Assert.AreEqual(custom.Obj.Name, "test");
}
public void ShrinkCacheTest()
{
NFileCache target = new NFileCache("ShrinkCacheTest");
// Test empty case
Assert.AreEqual(0, target.Trim(0));
// Insert 4 items, and keep track of their size
target.Add("item1", "test1", DateTime.Now.AddDays(1));
long size1 = target.GetCacheSize();
target.Add("item2", "test22", DateTime.Now);
long size2 = target.GetCacheSize() - size1;
target.Add("item3", "test333", DateTime.Now.AddSeconds(10));
long size3 = target.GetCacheSize() - size1 - size2;
target.Add("item4", "test4444", DateTime.Now.AddDays(-1));
long size4 = target.GetCacheSize() - size1 - size2 - size3;
// Shrink to the size of the first 3 items (should remove item4 because it's the oldest, keeping the other 3)
long newSize = target.Trim(size1 + size2 + size3);
Assert.AreEqual(size1 + size2 + size3, newSize);
// Shrink to just smaller than two items (should keep just item1, delete item2 and item3)
newSize = target.Trim(size1 + size3 - 1);
Assert.AreEqual(size1, newSize);
// Shrink to size 1 (should delete everything)
newSize = target.Trim(1);
Assert.AreEqual(0, newSize);
}
public void SlidingExpirationTest()
{
NFileCache target = new NFileCache("SlidingExpirationTest");
CacheItemPolicy policy = new CacheItemPolicy();
// Add an item and have it expire 500 ms from now
policy.SlidingExpiration = new TimeSpan(0, 0, 0, 0, 500);
target.Set("test", "test", policy);
// Sleep for 200
Thread.Sleep(200);
// Then try to access the item
object result = target.Get("test");
Assert.AreEqual("test", result);
// Sleep for another 350
Thread.Sleep(350);
// Then try to access the item
result = target.Get("test");
Assert.AreEqual("test", result);
// Then sleep for more than 500 ms. Should be gone
Thread.Sleep(600);
result = target.Get("test");
Assert.IsNull(result);
}
public void GetKeysTest()
{
NFileCache target = new NFileCache("GetKeysTest");
target["foo"] = 1;
target["bar"] = 2;
CollectionAssert.AreEqual(new[] { "bar", "foo" }, target.GetKeys().OrderBy(key => key).ToArray());
}
public void GetValuesTest()
{
NFileCache target = new NFileCache("GetValuesTest");
target["foo"] = 1;
target["bar"] = 2;
CollectionAssert.AreEqual(new[] { 1, 2 }, target.GetValues(new[] { "foo", "bar" }).Select(item => item.Value).ToArray());
}
public void StreamItemTest()
{
NFileCache target = new NFileCache("StreamItemTest");
const string poem = "Biały koń marzeń";
target["stream"] = new MemoryStream(Encoding.UTF8.GetBytes(poem));
string textvalue = new StreamReader((Stream)target["stream"]).ReadToEnd();
Assert.AreEqual(textvalue, poem);
}
public void AnonymousTypeItemTest()
{
NFileCache target = new NFileCache("AnonymousTypeItemTest");
const string poem = "Biały koń marzeń";
target["anonymousItem"] = new { Id = 11, Poem = poem };
var anonymousItem = (IDictionary <string, object>)target["anonymousItem"];
Assert.AreEqual(anonymousItem["Id"], 11);
Assert.AreEqual(anonymousItem["Poem"], poem);
}
public void AnonymousTypeItemTest()
{
NFileCache target = new NFileCache("AnonymousTypeItemTest");
const string poem = "Biały koń marzeń";
target["anonymousItem"] = new { Id = 11, Poem = poem };
var anonymousItem = (IDictionary<string, object>)target["anonymousItem"];
Assert.AreEqual(anonymousItem["Id"], 11);
Assert.AreEqual(anonymousItem["Poem"], poem);
}
public void MaxCacheSizeTest()
{
NFileCache target = new NFileCache("MaxCacheSizeTest", true);
target.MaxCacheSize = 0;
bool isEventCalled = false;
target.MaxCacheSizeReached += (sender, args) => isEventCalled = true;
target["foo"] = "bar";
Assert.IsTrue(isEventCalled);
}
public void AccessTimeoutTest()
{
NFileCache target = new NFileCache("AccessTimeoutTest");
target.AccessTimeout = new TimeSpan(1);
target["foo"] = 0;
// Lock actual file system record
string itemPath = target.GetItemPath("foo");
using (FileStream stream = File.Open(itemPath, FileMode.Create))
{
object result = target["foo"];
}
}
public void FlushTest()
{
NFileCache target = new NFileCache("FlushTest");
target.Add("foo", 1, DateTime.Now); // expires immediately
target.Add("bar", 2, DateTime.Now.AddDays(1)); // set to expire tomorrow
// Attempt flush
target.Flush();
Assert.IsNull(target["foo"]);
Assert.IsNotNull(target["bar"]);
}
public void AbsoluteExpirationTest()
{
NFileCache target = new NFileCache("AbsoluteExpirationTest");
CacheItemPolicy policy = new CacheItemPolicy();
// Add an item and have it expire yesterday
policy.AbsoluteExpiration = DateTime.Now.AddDays(-1);
target.Set("test", "test", policy);
// Then try to access the item
object result = target.Get("test");
Assert.IsNull(result);
}
public void AbsoluteExpirationTest()
{
NFileCache target = new NFileCache("AbsoluteExpirationTest");
CacheItemPolicy policy = new CacheItemPolicy();
// Add an item and have it expire yesterday
policy.AbsoluteExpiration = DateTime.Now.AddDays(-1);
target.Set("test", "test", policy);
// Then try to access the item
object result = target.Get("test");
Assert.IsNull(result);
}
public void TestCount()
{
NFileCache target = new NFileCache("TestCount");
target["test"] = "test";
target["test"] = "bar";
Assert.AreEqual(0, target.GetCount("bar"));
object result = target.Get("test");
Assert.AreEqual("bar", result);
Assert.AreEqual(1, target.GetCount());
}
public void DefaultRegionTest()
{
NFileCache cacheWithDefaultRegion = new NFileCache("DefaultRegionTest");
cacheWithDefaultRegion.DefaultRegion = "foo";
NFileCache defaultCache = new NFileCache("DefaultRegionTest");
cacheWithDefaultRegion["foo"] = "bar";
string pull = defaultCache.Get("foo", "foo") as string;
Assert.AreEqual("bar", pull);
}
public void GetEnumeratorTest()
{
NFileCache target = new NFileCache("GetEnumeratorTest");
target["foo"] = 1;
target["bar"] = 2;
foreach (KeyValuePair <string, object> kvp in target)
{
Assert.IsNotNull(kvp.Key);
Assert.IsNotNull(kvp.Value);
Assert.AreEqual(target[kvp.Key], kvp.Value);
}
}
public void MultiThreadTest()
{
NFileCache target = new NFileCache("MultiThreadTest");
const int threadCount = 4;
var rnd = new Random();
Parallel.For(0, threadCount, i =>
{
for (int j = 0; j < 500; j++)
{
target["foo" + rnd.Next(10)] = "bar" + i;
}
});
}
public void AccessTimeoutTest()
{
NFileCache target = new NFileCache("AccessTimeoutTest");
target.AccessTimeout = new TimeSpan(1);
target["foo"] = 0;
// Lock actual file system record
string itemPath = target.GetItemPath("foo");
using (FileStream stream = File.Open(itemPath, FileMode.Create))
{
object result = target["foo"];
}
}
public void DefaultPolicyTest()
{
NFileCache target = new NFileCache("DefaultPolicyTest");
CacheItemPolicy policy = new CacheItemPolicy();
policy.SlidingExpiration = new TimeSpan(10);
target.DefaultPolicy = policy;
target["foo"] = "bar";
Thread.Sleep(15);
object result = target["foo"];
Assert.IsNull(result);
}
public void CacheSizeTest()
{
NFileCache target = new NFileCache("CacheSizeTest");
target["foo"] = "bar";
target["foo"] = "foobar";
long cacheSize = target.GetCacheSize("bar");
Assert.AreEqual(0, cacheSize);
cacheSize = target.GetCacheSize();
Assert.IsTrue(cacheSize > 0);
target.Remove("foo");
cacheSize = target.GetCacheSize();
Assert.AreEqual(0, cacheSize);
}
public void PolicySaveTest()
{
NFileCache target = new NFileCache("PolicySaveTest");
CacheItemPolicy policy = new CacheItemPolicy();
policy.SlidingExpiration = new TimeSpan(1, 0, 0, 0, 0);
target.Set("sliding", "test", policy);
CacheItemPolicy returnPolicy = target.GetPolicy("sliding");
Assert.AreEqual(policy.SlidingExpiration, returnPolicy.SlidingExpiration);
policy = new CacheItemPolicy();
policy.AbsoluteExpiration = DateTime.Now.AddDays(1);
target.Set("absolute", "test", policy.AbsoluteExpiration);
returnPolicy = target.GetPolicy("absolute");
Assert.AreEqual(policy.AbsoluteExpiration, returnPolicy.AbsoluteExpiration);
}
public void RemoveTest()
{
NFileCache target = new NFileCache("RemoveTest");
target.Set("test", "test", DateTime.Now.AddDays(3));
object result = target.Get("test");
Assert.AreEqual("test", result);
// Check file system to be sure item was created
string itemPath = target.GetItemPath("test");
Assert.IsTrue(File.Exists(itemPath));
// Now delete
target.Remove("test");
result = target["test"];
Assert.IsNull(result);
// Check file system to be sure item was removed
Assert.IsFalse(File.Exists(itemPath));
}
public void DefaultRegionTest()
{
NFileCache cacheWithDefaultRegion = new NFileCache("DefaultRegionTest");
cacheWithDefaultRegion.DefaultRegion = "foo";
NFileCache defaultCache = new NFileCache("DefaultRegionTest");
cacheWithDefaultRegion["foo"] = "bar";
string pull = defaultCache.Get("foo", "foo") as string;
Assert.AreEqual("bar", pull);
}
public void FlushTest()
{
NFileCache target = new NFileCache("FlushTest");
target.Add("foo", 1, DateTime.Now); // expires immediately
target.Add("bar", 2, DateTime.Now.AddDays(1)); // set to expire tomorrow
// Attempt flush
target.Flush();
Assert.IsNull(target["foo"]);
Assert.IsNotNull(target["bar"]);
}
public void GetEnumeratorTest()
{
NFileCache target = new NFileCache("GetEnumeratorTest");
target["foo"] = 1;
target["bar"] = 2;
foreach (KeyValuePair<string, object> kvp in target)
{
Assert.IsNotNull(kvp.Key);
Assert.IsNotNull(kvp.Value);
Assert.AreEqual(target[kvp.Key], kvp.Value);
}
}
public void GetKeysTest()
{
NFileCache target = new NFileCache("GetKeysTest");
target["foo"] = 1;
target["bar"] = 2;
CollectionAssert.AreEqual(new[] { "bar", "foo" }, target.GetKeys().OrderBy(key => key).ToArray());
}
public void GetValuesTest()
{
NFileCache target = new NFileCache("GetValuesTest");
target["foo"] = 1;
target["bar"] = 2;
CollectionAssert.AreEqual(new[] { 1, 2 }, target.GetValues(new[] { "foo", "bar" }).Select(item => item.Value).ToArray());
}
public void MaxCacheSizeTest()
{
NFileCache target = new NFileCache("MaxCacheSizeTest", true);
target.MaxCacheSize = 0;
bool isEventCalled = false;
target.MaxCacheSizeReached += (sender, args) => isEventCalled = true;
target["foo"] = "bar";
Assert.IsTrue(isEventCalled);
}
public void AutoShrinkTest()
{
NFileCache target = new NFileCache("AutoShrinkTest");
target.DefaultPolicy = new CacheItemPolicy { SlidingExpiration = TimeSpan.FromMinutes(1D) };
target.MaxCacheSize = 20000;
target.CacheResized += (object sender, FileCacheEventArgs args) =>
{
Assert.IsNotNull(target["foo10"]);
Assert.IsNotNull(target["foo40"]);
};
for (int i = 0; i < 100; i++)
{
target["foo" + i] = "bar";
// Test to make sure it leaves items that have been recently accessed.
if (i % 5 == 0 && i != 0)
{
var foo10 = target.Get("foo10");
var foo40 = target.Get("foo40");
}
}
}
public void PolicySaveTest()
{
NFileCache target = new NFileCache("PolicySaveTest");
CacheItemPolicy policy = new CacheItemPolicy();
policy.SlidingExpiration = new TimeSpan(1, 0, 0, 0, 0);
target.Set("sliding", "test", policy);
CacheItemPolicy returnPolicy = target.GetPolicy("sliding");
Assert.AreEqual(policy.SlidingExpiration, returnPolicy.SlidingExpiration);
policy = new CacheItemPolicy();
policy.AbsoluteExpiration = DateTime.Now.AddDays(1);
target.Set("absolute", "test", policy.AbsoluteExpiration);
returnPolicy = target.GetPolicy("absolute");
Assert.AreEqual(policy.AbsoluteExpiration, returnPolicy.AbsoluteExpiration);
}
public void RemoveTest()
{
NFileCache target = new NFileCache("RemoveTest");
target.Set("test", "test", DateTime.Now.AddDays(3));
object result = target.Get("test");
Assert.AreEqual("test", result);
// Check file system to be sure item was created
string itemPath = target.GetItemPath("test");
Assert.IsTrue(File.Exists(itemPath));
// Now delete
target.Remove("test");
result = target["test"];
Assert.IsNull(result);
// Check file system to be sure item was removed
Assert.IsFalse(File.Exists(itemPath));
}
public void ShrinkCacheTest()
{
NFileCache target = new NFileCache("ShrinkCacheTest");
// Test empty case
Assert.AreEqual(0, target.Trim(0));
// Insert 4 items, and keep track of their size
target.Add("item1", "test1", DateTime.Now.AddDays(1));
long size1 = target.GetCacheSize();
target.Add("item2", "test22", DateTime.Now);
long size2 = target.GetCacheSize() - size1;
target.Add("item3", "test333", DateTime.Now.AddSeconds(10));
long size3 = target.GetCacheSize() - size1 - size2;
target.Add("item4", "test4444", DateTime.Now.AddDays(-1));
long size4 = target.GetCacheSize() - size1 - size2 - size3;
// Shrink to the size of the first 3 items (should remove item4 because it's the oldest, keeping the other 3)
long newSize = target.Trim(size1 + size2 + size3);
Assert.AreEqual(size1 + size2 + size3, newSize);
// Shrink to just smaller than two items (should keep just item1, delete item2 and item3)
newSize = target.Trim(size1 + size3 - 1);
Assert.AreEqual(size1, newSize);
// Shrink to size 1 (should delete everything)
newSize = target.Trim(1);
Assert.AreEqual(0, newSize);
}
public void SlidingExpirationTest()
{
NFileCache target = new NFileCache("SlidingExpirationTest");
CacheItemPolicy policy = new CacheItemPolicy();
// Add an item and have it expire 500 ms from now
policy.SlidingExpiration = new TimeSpan(0, 0, 0, 0, 500);
target.Set("test", "test", policy);
// Sleep for 200
Thread.Sleep(200);
// Then try to access the item
object result = target.Get("test");
Assert.AreEqual("test", result);
// Sleep for another 350
Thread.Sleep(350);
// Then try to access the item
result = target.Get("test");
Assert.AreEqual("test", result);
// Then sleep for more than 500 ms. Should be gone
Thread.Sleep(600);
result = target.Get("test");
Assert.IsNull(result);
}
public void StreamItemTest()
{
NFileCache target = new NFileCache("StreamItemTest");
const string poem = "Biały koń marzeń";
target["stream"] = new MemoryStream(Encoding.UTF8.GetBytes(poem));
string textvalue = new StreamReader((Stream)target["stream"]).ReadToEnd();
Assert.AreEqual(textvalue, poem);
}
public void TestCount()
{
NFileCache target = new NFileCache("TestCount");
target["test"] = "test";
target["test"] = "bar";
Assert.AreEqual(0, target.GetCount("bar"));
object result = target.Get("test");
Assert.AreEqual("bar", result);
Assert.AreEqual(1, target.GetCount());
}
public void DefaultPolicyTest()
{
NFileCache target = new NFileCache("DefaultPolicyTest");
CacheItemPolicy policy = new CacheItemPolicy();
policy.SlidingExpiration = new TimeSpan(10);
target.DefaultPolicy = policy;
target["foo"] = "bar";
Thread.Sleep(15);
object result = target["foo"];
Assert.IsNull(result);
}
public void MultiThreadTest()
{
NFileCache target = new NFileCache("MultiThreadTest");
const int threadCount = 4;
var rnd = new Random();
Parallel.For(0, threadCount, i =>
{
for (int j = 0; j < 500; j++)
{
target["foo" + rnd.Next(10)] = "bar" + i;
}
});
}
public void CacheSizeTest()
{
NFileCache target = new NFileCache("CacheSizeTest");
target["foo"] = "bar";
target["foo"] = "foobar";
long cacheSize = target.GetCacheSize("bar");
Assert.AreEqual(0, cacheSize);
cacheSize = target.GetCacheSize();
Assert.IsTrue(cacheSize > 0);
target.Remove("foo");
cacheSize = target.GetCacheSize();
Assert.AreEqual(0, cacheSize);
}
public void CustomObjectSaveTest()
{
NFileCache target = new NFileCache("CustomObjectSaveTest");
// Create custom object
CustomObjB custom = new CustomObjB
{
Num = 5,
Obj = new CustomObjA
{
Name = "test"
}
};
CacheItem item = new CacheItem("foo")
{
Value = custom,
RegionName = "foobar"
};
// Set it
target.Set(item, new CacheItemPolicy());
// Now get it back
CacheItem fromCache = target.GetCacheItem("foo", "foobar");
// Pulling twice increases code coverage
fromCache = target.GetCacheItem("foo", "foobar");
custom = fromCache.Value as CustomObjB;
Assert.IsNotNull(custom);
Assert.IsNotNull(custom.Obj);
Assert.AreEqual(custom.Num, 5);
Assert.AreEqual(custom.Obj.Name, "test");
}
