public void AddHystrixCommand_ThrowsIfConfigNull()
{
IServiceCollection services = new ServiceCollection();
IConfiguration config = new ConfigurationBuilder().Build();
var stringKey = "DummyCommand";
var ex = Assert.Throws <ArgumentNullException>(() => HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, groupKey, null));
Assert.Contains(nameof(config), ex.Message);
var ex2 = Assert.Throws <ArgumentNullException>(() => HystrixServiceCollectionExtensions.AddHystrixCommand <IDummyCommand, DummyCommand>(services, groupKey, null));
Assert.Contains(nameof(config), ex2.Message);
var ex3 = Assert.Throws <ArgumentNullException>(() => HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, stringKey, null));
Assert.Contains(nameof(config), ex3.Message);
var ex4 = Assert.Throws <ArgumentNullException>(() => HystrixServiceCollectionExtensions.AddHystrixCommand <IDummyCommand, DummyCommand>(services, stringKey, null));
Assert.Contains(nameof(config), ex4.Message);
var ex5 = Assert.Throws <ArgumentNullException>(() => HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, groupKey, commandKey, null));
Assert.Contains(nameof(config), ex5.Message);
var ex6 = Assert.Throws <ArgumentNullException>(() => HystrixServiceCollectionExtensions.AddHystrixCommand <IDummyCommand, DummyCommand>(services, groupKey, commandKey, null));
Assert.Contains(nameof(config), ex6.Message);
var ex7 = Assert.Throws <ArgumentNullException>(() => HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, stringKey, stringKey, null));
Assert.Contains(nameof(config), ex7.Message);
var ex8 = Assert.Throws <ArgumentNullException>(() => HystrixServiceCollectionExtensions.AddHystrixCommand <IDummyCommand, DummyCommand>(services, stringKey, stringKey, null));
Assert.Contains(nameof(config), ex8.Message);
}
public void AddHystrixCommand_WithConfiguration_ConfiguresSettings()
{
var appSettings = new Dictionary <string, string>()
{
["hystrix:command:default:metrics:rollingStats:timeInMilliseconds"] = "5555",
["hystrix:command:default:circuitBreaker:errorThresholdPercentage"] = "55",
["hystrix:command:default:circuitBreaker:sleepWindowInMilliseconds"] = "9999",
["hystrix:command:default:circuitBreaker:requestVolumeThreshold"] = "1111",
["hystrix:command:default:execution:isolation:thread:timeoutInMilliseconds"] = "2222",
["hystrix:threadpool:default:coreSize"] = "33",
["hystrix:threadpool:default:maximumSize"] = "55",
["hystrix:threadpool:default:maxQueueSize"] = "66",
["hystrix:threadpool:default:queueSizeRejectionThreshold"] = "6",
["hystrix:threadpool:default:allowMaximumSizeToDivergeFromCoreSize"] = "false"
};
IServiceCollection services = new ServiceCollection();
IConfiguration config = new ConfigurationBuilder().AddInMemoryCollection(appSettings).Build();
HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, groupKey, config);
var provider = services.BuildServiceProvider();
var command = provider.GetService <DummyCommand>();
Assert.NotNull(command);
Assert.Equal(groupKey, command.CommandGroup);
var expectedCommandKey = HystrixCommandKeyDefault.AsKey(typeof(DummyCommand).Name);
Assert.Equal(expectedCommandKey, command.CommandKey);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
var expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(groupKey.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
var threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
Assert.Equal(55, threadOptions.MaximumSize);
Assert.Equal(33, threadOptions.CoreSize);
Assert.Equal(66, threadOptions.MaxQueueSize);
Assert.Equal(6, threadOptions.QueueSizeRejectionThreshold);
Assert.False(threadOptions.AllowMaximumSizeToDivergeFromCoreSize);
Assert.Equal(5555, command.Options.MetricsRollingStatisticalWindowInMilliseconds);
Assert.Equal(2222, command.Options.ExecutionTimeoutInMilliseconds);
Assert.Equal(55, command.Options.CircuitBreakerErrorThresholdPercentage);
Assert.Equal(9999, command.Options.CircuitBreakerSleepWindowInMilliseconds);
Assert.Equal(1111, command.Options.CircuitBreakerRequestVolumeThreshold);
}
public void AddHystrixCommand_AddsToContainer()
{
IServiceCollection services = new ServiceCollection();
IConfiguration config = new ConfigurationBuilder().Build();
HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, groupKey, config);
var provider = services.BuildServiceProvider();
var command = provider.GetService <DummyCommand>();
Assert.NotNull(command);
Assert.Equal(groupKey, command.CommandGroup);
var expectedCommandKey = HystrixCommandKeyDefault.AsKey(typeof(DummyCommand).Name);
Assert.Equal(expectedCommandKey, command.CommandKey);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
var expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(groupKey.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
var threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
services = new ServiceCollection();
config = new ConfigurationBuilder().Build();
HystrixServiceCollectionExtensions.AddHystrixCommand <IDummyCommand, DummyCommand>(services, groupKey, config);
provider = services.BuildServiceProvider();
var icommand = provider.GetService <IDummyCommand>();
Assert.NotNull(icommand);
command = icommand as DummyCommand;
Assert.NotNull(command);
Assert.Equal(groupKey, command.CommandGroup);
Assert.Equal(expectedCommandKey, command.CommandKey);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(groupKey.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
services = new ServiceCollection();
HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, "GroupKey", config);
provider = services.BuildServiceProvider();
command = provider.GetService <DummyCommand>();
Assert.NotNull(command);
Assert.Equal("GroupKey", command.CommandGroup.Name);
expectedCommandKey = HystrixCommandKeyDefault.AsKey(typeof(DummyCommand).Name);
Assert.Equal(expectedCommandKey, command.CommandKey);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(command.CommandGroup.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
services = new ServiceCollection();
config = new ConfigurationBuilder().Build();
HystrixServiceCollectionExtensions.AddHystrixCommand <IDummyCommand, DummyCommand>(services, "GroupKey", config);
provider = services.BuildServiceProvider();
icommand = provider.GetService <IDummyCommand>();
Assert.NotNull(icommand);
command = icommand as DummyCommand;
Assert.NotNull(command);
Assert.Equal("GroupKey", command.CommandGroup.Name);
Assert.Equal(expectedCommandKey, command.CommandKey);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(command.CommandGroup.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
services = new ServiceCollection();
config = new ConfigurationBuilder().Build();
HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, groupKey, commandKey, config);
provider = services.BuildServiceProvider();
command = provider.GetService <DummyCommand>();
Assert.NotNull(command);
Assert.Equal(groupKey, command.CommandGroup);
Assert.Equal(commandKey, command.CommandKey);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(groupKey.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
services = new ServiceCollection();
config = new ConfigurationBuilder().Build();
HystrixServiceCollectionExtensions.AddHystrixCommand <IDummyCommand, DummyCommand>(services, groupKey, commandKey, config);
provider = services.BuildServiceProvider();
icommand = provider.GetService <IDummyCommand>();
Assert.NotNull(icommand);
command = icommand as DummyCommand;
Assert.NotNull(command);
Assert.Equal(groupKey, command.CommandGroup);
Assert.Equal(commandKey, command.CommandKey);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(groupKey.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
services = new ServiceCollection();
HystrixServiceCollectionExtensions.AddHystrixCommand <DummyCommand>(services, "GroupKey", "CommandKey", config);
provider = services.BuildServiceProvider();
command = provider.GetService <DummyCommand>();
Assert.NotNull(command);
Assert.Equal("GroupKey", command.CommandGroup.Name);
Assert.Equal("CommandKey", command.CommandKey.Name);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(command.CommandGroup.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
services = new ServiceCollection();
config = new ConfigurationBuilder().Build();
HystrixServiceCollectionExtensions.AddHystrixCommand <IDummyCommand, DummyCommand>(services, "GroupKey", "CommandKey", config);
provider = services.BuildServiceProvider();
icommand = provider.GetService <IDummyCommand>();
Assert.NotNull(icommand);
command = icommand as DummyCommand;
Assert.NotNull(command);
Assert.Equal("GroupKey", command.CommandGroup.Name);
Assert.Equal("CommandKey", command.CommandKey.Name);
Assert.NotNull(command.Options);
Assert.NotNull(command.Options._dynamic);
expectedThreadPoolKey = HystrixThreadPoolKeyDefault.AsKey(command.CommandGroup.Name);
Assert.Equal(expectedThreadPoolKey, command.Options.ThreadPoolKey);
threadOptions = command.Options.ThreadPoolOptions as HystrixThreadPoolOptions;
Assert.NotNull(threadOptions);
Assert.NotNull(threadOptions._dynamic);
Assert.Equal(expectedThreadPoolKey, threadOptions.ThreadPoolKey);
}