public void CascadeSettingsContainer_GetEffectiveValue_EvaluatesSettingScope()
{
CascadeSettingsContainer container = new CascadeSettingsContainer();
var sourceA = container.AddSource(new CustomDataSource());
var sourceB = container.AddSource(new CustomDataSource());
sourceA.Data["key1"] = "value1A";
sourceB.Data["key1"] = "value2A";
sourceA.Scope = SettingScopeEnum.Application;
sourceB.Scope = SettingScopeEnum.User;
Assert.Equal("value2A", container.GetEffectiveValue("key1"));
Assert.Equal("value2A", container.GetEffectiveValue("key1", SettingScopeEnum.User));
Assert.Equal("value1A", container.GetEffectiveValue("key1", SettingScopeEnum.Application));
}
public void CascadeSettingsContainer_GetEffectiveValue_ReturnsLastValueInSourcesOrder()
{
CascadeSettingsContainer container = new CascadeSettingsContainer();
var sourceA = container.AddSource(new CustomDataSource());
var sourceB = container.AddSource(new CustomDataSource());
sourceA.Data["key1"] = "value1A";
sourceB.Data["key1"] = "value1B";
sourceA.Data["key2"] = "value2A";
sourceB.Data["key3"] = "value3B";
Assert.Equal("value1B", container.GetEffectiveValue("key1"));
Assert.Equal("value2A", container.GetEffectiveValue("key2"));
Assert.Equal("value3B", container.GetEffectiveValue("key3"));
Assert.Null(container.GetEffectiveValue("key4")); // unknown key
}
public void CascadeSettingsContainer_GetEffectiveValue_ReturnsNullIfNoSources()
{
CascadeSettingsContainer container = new CascadeSettingsContainer();
Assert.Null(container.GetEffectiveValue("somekey"));
}