public async Task InvokeCacheAsync_NullFunction_ShouldNotCacheNull()
{
using var fixture = new ExpressionCacheBaseFixture();
fixture.SetCacheProviderGetAsyncFailure();
var key = fixture.ExpressionCacheBase.GetKey(() => _testFunctions.FunctionWithoutParametersAsync());
var result = await fixture.ExpressionCacheBase.InvokeCacheAsync(() => _testFunctions.NullFunctionWithoutParametersAsync(), ExpressionCacheBaseFixture.TimeSpan, CacheAction.Invoke);
result.Should().BeNull();
fixture.CacheProviderMock.Verify(m => m.GetAsync <string>(key), Times.Never);
fixture.CacheProviderMock.Verify(m => m.SetAsync(key, result, ExpressionCacheBaseFixture.TimeSpan), Times.Never);
}
public async Task InvokeCacheAsync_ResultNotInCache_ShouldReturnNewResult()
{
using (var fixture = new ExpressionCacheBaseFixture())
{
fixture.SetCacheProviderGetAsyncFailure();
var key = fixture.ExpressionCacheBase.GetKey(() => _testFunctions.FunctionWithoutParametersAsync());
var result = await fixture.ExpressionCacheBase.InvokeCacheAsync(() => _testFunctions.FunctionWithoutParametersAsync(), ExpressionCacheBaseFixture.TimeSpan, CacheAction.Invoke);
result.ShouldBe(_testFunctions.ReturnResult);
fixture.CacheProviderMock.Verify(m => m.GetAsync <string>(key), Times.Once);
fixture.CacheProviderMock.Verify(m => m.SetAsync(key, result, ExpressionCacheBaseFixture.TimeSpan), Times.Once);
}
}