public void TryFindSetting_CanFindSettingByName()
{
var provider1 = Mock.Create <ISettingProvider>();
var provider2 = Mock.Create <ISettingProvider>();
var provider3 = Mock.Create <ISettingProvider>();
provider1
.Arrange(x => x.Read(Arg.IsAny <SelectQuery>()))
.Returns(default(ISetting));
provider2
.Arrange(x => x.Read(Arg.Matches <SelectQuery>(arg => arg.SettingName == SettingName.Parse("Type.Member"))))
.Returns(Setting.Create("Type.Member", "abc"));
provider3
.Arrange(x => x.Read(Arg.IsAny <SelectQuery>()))
.Returns(default(ISetting));
var settingFound = FirstSettingFinder.TryFindSetting
(
new SelectQuery(SettingName.Parse("Type.Member"), typeof(string)),
new[] { provider1, provider2, provider3 },
out var result
);
Assert.IsTrue(settingFound);
Assert.AreSame(provider2, result.SettingProvider);
Assert.AreEqual("abc", result.Setting.Value);
}
public object GetValue(SelectQuery query)
{
if (query == null)
{
throw new ArgumentNullException(nameof(query));
}
query.ProviderName = _settingProviderNames.TryGetValue(query.SettingName, out var providerName) ? providerName : query.ProviderName;
try
{
if (_settingFinder.TryFindSetting(query, _providers, out var result))
{
CacheProvider(query.SettingName, result.SettingProvider.Name);
return(result.Setting.Value);
}
}
catch (Exception ex)
{
throw ($"{nameof(GetValue)}", $"Could not get value for {query.SettingName.ToString().QuoteWith("'")}. See the inner exception for details.", ex).ToDynamicException();
}
throw ("SettingNotFound", $"Setting {query.SettingName.ToString().QuoteWith("'")} not found.").ToDynamicException();
}
