public TenantAppConfigurationSection(IAppConfigurationRoot root, string key, string tenant)
{
if (string.IsNullOrEmpty(tenant))
{
throw new ArgumentException("Cannot be null or empty.", nameof(tenant));
}
this.root = root;
this.tenant = tenant;
string tenantKey, globalKey;
if (tenant == key)
{
tenantKey = tenant;
globalKey = null;
}
else if (key.StartsWith($"{tenant}{AppConfigurationPath.KeyDelimiter}", StringComparison.OrdinalIgnoreCase))
{
tenantKey = key;
globalKey = key.Substring(tenant.Length + 1);
}
else
{
tenantKey = AppConfigurationPath.Combine(tenant, key);
globalKey = key;
}
tenantSection = root.GetSection(tenantKey);
globalSection = globalKey == null ? null : root.GetSection(globalKey);
Path = tenantKey;
Value = tenantSection.Exists() ? tenantSection.Value : globalSection?.Value;
}
public IAppConfigurationSection GetSection(string key)
{
return(new TenantAppConfigurationSection(
root,
AppConfigurationPath.Combine(Path, key),
tenant
));
}
public ConfigurationManagerFixture WithAppSettings <T>(string key, List <T> values)
{
for (int valueIndex = 0; valueIndex < values.Count; valueIndex++)
{
string itemKey = AppConfigurationPath.Combine(key, valueIndex.ToString());
T value = values[valueIndex];
appSettings.Add(itemKey, value.ToString());
}
return(this);
}
public IEnumerable <IAppConfigurationSection> GetChildren()
{
// We will loop through all of the global children and see if there is a tenant equivalent
var children = new List <IAppConfigurationSection>();
var globalChildren = globalSection == null
? root.GetChildren()
: globalSection.GetChildren();
foreach (IAppConfigurationSection globalChild in globalChildren)
{
if (globalChild.Path.Equals(tenant, StringComparison.OrdinalIgnoreCase))
{
continue;
}
string tenantKey = AppConfigurationPath.Combine(tenant, globalChild.Path).ToLower();
// Tenant settings take precedence over global settings
if (root.AllKeys.Contains(tenantKey))
{
var tenantChild = root.GetSection(tenantKey);
children.Add(tenantChild);
}
else
{
var tenantChild = new TenantAppConfigurationSection(
root,
AppConfigurationPath.Combine(tenant, globalChild.Path),
tenant
);
children.Add(tenantChild);
}
}
return(children.AsReadOnly());
}
public void GetSection_WithSection_ReturnsSectionWithKeys(string sectionKey, string key, string value)
{
var configManagerFixture = new ConfigurationManagerFixture();
int numKeys = new Random().Next(1, 10);
for (int keyCt = 1; keyCt <= numKeys; keyCt++)
{
configManagerFixture.WithAppSetting(AppConfigurationPath.Combine(sectionKey, $"{key}{keyCt}"), $"{value}{keyCt}");
}
IConfigurationManager configManager = configManagerFixture.Build();
var appConfig = new AppConfiguration(configManager);
IAppConfigurationSection section = appConfig.GetSection(sectionKey);
int actual = section.GetChildren().Count();
Assert.That(actual, Is.EqualTo(numKeys));
}
public static T GetValue <T>(this IAppConfigurationRoot configuration, string key, string tenant, T defaultValue)
{
if (string.IsNullOrEmpty(tenant))
{
// Return the "global" setting
return(configuration.GetValue(key, defaultValue));
}
// Try to get the tenant setting
string tenantKey = AppConfigurationPath.Combine(tenant, key);
if (configuration.AllKeys.Contains(tenantKey))
{
return(configuration.GetValue(tenantKey, defaultValue));
}
// Default to "global" setting
return(configuration.GetValue(key, defaultValue));
}
public void GetSection_WithSubSection_ReturnsSubSectionWithKeys()
{
var configManagerFixture = new ConfigurationManagerFixture();
int numKeys = new Random().Next(1, 10);
for (int keyCt = 1; keyCt <= numKeys; keyCt++)
{
configManagerFixture.WithAppSetting(AppConfigurationPath.Combine("Section", $"Key{keyCt}"), $"Value{keyCt}");
configManagerFixture.WithAppSetting(AppConfigurationPath.Combine("Section:SubSection", $"Key{keyCt}"), $"Value{keyCt}");
configManagerFixture.WithAppSetting(AppConfigurationPath.Combine("Section:OtherSubSection", $"Key{keyCt}"), $"Value{keyCt}");
}
IConfigurationManager configManager = configManagerFixture.Build();
var appConfig = new AppConfiguration(configManager);
IAppConfigurationSection section = appConfig.GetSection("Section");
IAppConfigurationSection subSection = section.GetSection("SubSection");
int actual = subSection.GetChildren().Count();
Assert.That(actual, Is.EqualTo(numKeys));
}
