public async Task CachedSecretProvider_GetTwoSecretsAsync_SkippedCache_ShouldReturnDifferentValues()
{
// Arrange
string expectedFirstSecret = Guid.NewGuid().ToString("N");
string expectedSecondSecret = Guid.NewGuid().ToString("N");
var spyTestProvider = new TestSecretProviderStub(expectedFirstSecret);
TimeSpan cacheInterval = TimeSpan.FromSeconds(3);
const string keyName = "MyValue";
ICachedSecretProvider cachedSecretProvider = new CachedSecretProvider(
spyTestProvider,
new CacheConfiguration(cacheInterval),
new MemoryCache(new MemoryCacheOptions()));
// Act
Secret actualFirst = await cachedSecretProvider.GetSecretAsync(keyName, ignoreCache : true);
await Task.Delay(TimeSpan.FromMilliseconds(100));
spyTestProvider.SecretValue = expectedSecondSecret;
Secret actualSecond = await cachedSecretProvider.GetSecretAsync(keyName, ignoreCache : true);
// Assert
Assert.True(actualFirst != null, "actualFirst != null");
Assert.True(actualSecond != null, "actualSecond != null");
Assert.Equal(expectedFirstSecret, actualFirst.Value);
Assert.Equal(expectedSecondSecret, actualSecond.Value);
Assert.Equal(2, spyTestProvider.CallsMadeSinceCreation);
}
public async Task CacheSecretProvider_GetSecretAsync_InvalidateSecret_ShouldRequestNewSecretEvenWithinCacheDuration()
{
// Arrange
string expectedFirstSecret = Guid.NewGuid().ToString("N");
string expectedSecondSecret = Guid.NewGuid().ToString("N");
var testProviderStub = new TestSecretProviderStub(expectedFirstSecret);
var cacheInterval = TimeSpan.FromSeconds(10);
const string keyName = "MySecret";
var cachedSecretProvider = new CachedSecretProvider(
testProviderStub,
new CacheConfiguration(cacheInterval));
Secret actualFirst = await cachedSecretProvider.GetSecretAsync(keyName);
testProviderStub.SecretValue = expectedSecondSecret;
// Act
await cachedSecretProvider.InvalidateSecretAsync(keyName);
// Assert
Secret actualSecond = await cachedSecretProvider.GetSecretAsync(keyName);
Assert.True(actualFirst != null, "actualFirst != null");
Assert.True(actualSecond != null, "actualSecond != null");
Assert.Equal(expectedFirstSecret, actualFirst.Value);
Assert.Equal(expectedSecondSecret, actualSecond.Value);
Assert.Equal(2, testProviderStub.CallsMadeSinceCreation);
}