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Radarr/NzbDrone.Common.Test/CacheTests/CachedFixture.cs

74 lines
1.6 KiB

using FluentAssertions;
using NUnit.Framework;
using NzbDrone.Common.Cache;
namespace NzbDrone.Common.Test.CacheTests
{
[TestFixture]
public class CachedFixture
{
private Cached<string> _cachedString = new Cached<string>();
private Worker _worker;
[SetUp]
public void SetUp()
{
_cachedString = new Cached<string>();
_worker = new Worker();
}
[Test]
public void should_call_function_once()
{
_cachedString.Get("Test", _worker.GetString);
_cachedString.Get("Test", _worker.GetString);
_worker.HitCount.Should().Be(1);
}
[Test]
public void multiple_calls_should_return_same_result()
{
var first = _cachedString.Get("Test", _worker.GetString);
var second = _cachedString.Get("Test", _worker.GetString);
first.Should().Be(second);
}
[Test]
public void should_remove_value_from_set()
{
_cachedString.Get("Test", _worker.GetString);
_cachedString.Remove("Test");
_cachedString.Get("Test", _worker.GetString);
_worker.HitCount.Should().Be(2);
}
[Test]
public void remove_none_existing_should_break_things()
{
_cachedString.Remove("Test");
}
}
public class Worker
{
public int HitCount { get; private set; }
public string GetString()
{
HitCount++;
return "Hit count is " + HitCount;
}
}
}