public void ConfigurationManager_WhenCreated_PopulatesConfigItemListFromFile()
{
// Arrange
var configItems = new List <IConfigItem>()
{
new ConfigItem("key1", "value1"),
new ConfigItem("key2", "value2"),
new ConfigItem("key3", "value3"),
};
_memoryCacheService.GetCount().Returns(0);
_fileManager.ReadAllEntriesFromFile().Returns(configItems);
// Act
_configurationService = new ConfigurationService(_fileManager, _memoryCacheService);
// Assert
_memoryCacheService.Received(1).Add(configItems[0]);
_memoryCacheService.Received(1).Add(configItems[1]);
_memoryCacheService.Received(1).Add(configItems[2]);
}