public void CanResolveGenericFormatter()
{
// expected output
TestLoggerFactory expected = BuildOptionsExpectedResult();
// actual output
var services = new ServiceCollection();
services.AddOptions();
services.AddSingleton <TestLoggerFactory>();
services.AddSingleton <ILoggerFactory>(sp => sp.GetRequiredService <TestLoggerFactory>());
services.AddSingleton(typeof(ILogger <>), typeof(TestLogger <>));
services.AddSingleton(typeof(IOptionFormatter <>), typeof(DefaultOptionsFormatter <>));
services.AddSingleton <OptionsLogger, TestOptionsLogger>();
services.Configure <TestOptions>(options => options.IntField = 1);
services.ConfigureFormatter <TestOptions>();
var servicesProvider = services.BuildServiceProvider();
servicesProvider.GetRequiredService <OptionsLogger>().LogOptions();
var logFormatters = servicesProvider.GetServices <IOptionFormatter>();
Assert.Single(logFormatters);
Assert.True(logFormatters.First() is IOptionFormatter <TestOptions>);
// ensure logging output is as expected
var actual = servicesProvider.GetRequiredService <TestLoggerFactory>();
Assert.Equal(expected.ToString(), actual.ToString());
}
public void CustomFormatterResolverOverridesDefaultFormatter_PostRegistration()
{
// expected output
TestLoggerFactory expected = BuildNamedOptionsExpectedResult();
// actual output
var services = new ServiceCollection();
services.AddOptions();
services.AddSingleton <TestLoggerFactory>();
services.AddSingleton <ILoggerFactory>(sp => sp.GetRequiredService <TestLoggerFactory>());
services.AddSingleton(typeof(ILogger <>), typeof(TestLogger <>));
services.AddSingleton <OptionsLogger, TestOptionsLogger>();
// defaults
services.TryConfigureFormatterResolver <TestOptions, TestOptionsFormatter2.Resolver>();
// configure options
Enumerable
.Range(1, 3)
.ToList()
.ForEach(i =>
{
string name = i.ToString();
services.Configure <TestOptions>(name, (options => options.IntField = i));
services.ConfigureNamedOptionForLogging <TestOptions>(name);
});
// post register overrides
services.ConfigureFormatterResolver <TestOptions, TestOptionsFormatter.Resolver>();
var servicesProvider = services.BuildServiceProvider();
servicesProvider.GetRequiredService <OptionsLogger>().LogOptions();
var logFormatters = servicesProvider.GetServices <IOptionFormatter>();
Assert.Equal(3, logFormatters.Count());
Assert.True(logFormatters.First() is TestOptionsFormatter);
Assert.True(logFormatters.ElementAt(1) is TestOptionsFormatter);
Assert.True(logFormatters.ElementAt(2) is TestOptionsFormatter);
var logFormatter = servicesProvider.GetService <IOptionFormatterResolver <TestOptions> >();
Assert.True(logFormatter is TestOptionsFormatter.Resolver);
var actual = servicesProvider.GetRequiredService <TestLoggerFactory>();
Assert.Equal(expected.ToString(), actual.ToString());
}
public void FormatterConfiguredTwiceDoesNotLeadToDuplicatedFormatter()
{
// expected output
TestLoggerFactory expected = BuildOptionsExpectedResult();
// actual output
var services = new ServiceCollection();
services.AddOptions();
services.AddSingleton <TestLoggerFactory>();
services.AddSingleton <ILoggerFactory>(sp => sp.GetRequiredService <TestLoggerFactory>());
services.AddSingleton(typeof(ILogger <>), typeof(TestLogger <>));
services.AddSingleton <OptionsLogger, TestOptionsLogger>();
services.Configure <TestOptions>(options => options.IntField = 1);
services.ConfigureFormatter <TestOptions, TestOptionsFormatter2>();
//the formatter configured second time will override the first one in DI and
//DI will end up with two formatter for the same option
services.ConfigureFormatter <TestOptions, TestOptionsFormatter>();
var servicesProvider = services.BuildServiceProvider();
servicesProvider.GetRequiredService <OptionsLogger>().LogOptions();
// only one options formater and it points to the right one
var logFormatters = servicesProvider.GetServices <IOptionFormatter>();
Assert.Single(logFormatters);
Assert.True(logFormatters.First() is TestOptionsFormatter);
Assert.True(logFormatters.First() is IOptionFormatter <TestOptions>);
// when resolving singe type specific formatter, we get the right one
var logFormatter = servicesProvider.GetService <IOptionFormatter <TestOptions> >();
Assert.True(logFormatter is TestOptionsFormatter);
// ensure logging output is as expected
var actual = servicesProvider.GetRequiredService <TestLoggerFactory>();
Assert.Equal(expected.ToString(), actual.ToString());
}
public void NamedGenericFormatterGoldenPath()
{
// expected output
TestLoggerFactory expected = BuildNamedOptionsExpectedResult();
// actual output
var services = new ServiceCollection();
services.AddOptions();
services.AddSingleton <TestLoggerFactory>();
services.AddSingleton <ILoggerFactory>(sp => sp.GetRequiredService <TestLoggerFactory>());
services.AddSingleton(typeof(ILogger <>), typeof(TestLogger <>));
services.AddSingleton(typeof(IOptionFormatter <>), typeof(DefaultOptionsFormatter <>));
services.AddSingleton(typeof(IOptionFormatterResolver <>), typeof(DefaultOptionsFormatterResolver <>));
services.AddSingleton <OptionsLogger, TestOptionsLogger>();
Enumerable
.Range(1, 3)
.ToList()
.ForEach(i =>
{
string name = i.ToString();
services.Configure <TestOptions>(name, (options => options.IntField = i));
services.ConfigureNamedOptionForLogging <TestOptions>(name);
});
var servicesProvider = services.BuildServiceProvider();
servicesProvider.GetRequiredService <OptionsLogger>().LogOptions();
var logFormatters = servicesProvider.GetServices <IOptionFormatter>();
Assert.Equal(3, logFormatters.Count());
var logFormatter = servicesProvider.GetService <IOptionFormatterResolver <TestOptions> >();
var actual = servicesProvider.GetRequiredService <TestLoggerFactory>();
Assert.Equal(expected.ToString(), actual.ToString());
}
public void CustomFormatterOverridesDefaultFormatter_PostRegistration()
{
// expected output
TestLoggerFactory expected = BuildOptionsExpectedResult();
// actual output
var services = new ServiceCollection();
services.AddOptions();
services.AddSingleton <TestLoggerFactory>();
services.AddSingleton <ILoggerFactory>(sp => sp.GetRequiredService <TestLoggerFactory>());
services.AddSingleton(typeof(ILogger <>), typeof(TestLogger <>));
services.AddSingleton <OptionsLogger, TestOptionsLogger>();
services.Configure <TestOptions>(options => options.IntField = 1);
// default
services.TryConfigureFormatter <TestOptions, TestOptionsFormatter2>();
// post register overrides
services.ConfigureFormatter <TestOptions, TestOptionsFormatter>();
var servicesProvider = services.BuildServiceProvider();
servicesProvider.GetRequiredService <OptionsLogger>().LogOptions();
var logFormatters = servicesProvider.GetServices <IOptionFormatter>();
Assert.Single(logFormatters);
Assert.True(logFormatters.First() is TestOptionsFormatter);
Assert.True(logFormatters.First() is IOptionFormatter <TestOptions>);
// when resolving singe type specific formatter, we get the right one
var logFormatter = servicesProvider.GetService <IOptionFormatter <TestOptions> >();
Assert.True(logFormatter is TestOptionsFormatter);
// ensure logging output is as expected
var actual = servicesProvider.GetRequiredService <TestLoggerFactory>();
Assert.Equal(expected.ToString(), actual.ToString());
}