public async Task Get_Echo_Success_Test_Toxiproxy_Endpoint()
{
// create a new toxiproxy proxy
var toxiproxyClient = new ToxiproxyClient(_httpClient, _toxiproxyServerUri);
// add the toxiproxy proxy we will use for testing
var proxy = await toxiproxyClient.AddProxyAsync(new Proxy()
{
Name = "GetEchoSuccessTestToxiproxyEndpoint",
Listen = "127.0.0.1:8888",
Upstream = "postman-echo.com:80",
Enabled = true
});
PostmanEcho result = null;
try {
// set the uri to test as the toxiproxy proxy upstream endpoint
_chaosApiClient.ApiUri = new Uri($"http://{proxy.Listen}/get?foo1=bar1&foo2=bar2");
// create a new instance of Module to test
_module = new Module(_chaosApiClient, new Mock <ILogger <Module> >().Object);
// test the GetDataAsync method
result = await _module.GetDataAsync();
}
catch (Exception exception) {
// TODO: add logging
throw;
}
finally {
// clean up the proxy we created for testing
await toxiproxyClient.DeleteProxyAsync(proxy.Name);
}
// result should not be null
Assert.IsNotNull(result);
}
public async Task Get_Echo_Latency_Test_Toxiproxy_Endpoint()
{
// var to specify 5 seconds of latency to introduce into the API call
var latency = 5000;
// create a new ToxiproxyClient instance
var toxiproxyClient = new ToxiproxyClient(_httpClient, _toxiproxyServerUri);
// add the toxiproxy proxy we will use for testing
var proxy = await toxiproxyClient.AddProxyAsync(new Proxy()
{
Name = "GetEchoLatencyTestToxiproxyEndpoint",
Listen = "127.0.0.1:8888",
Upstream = "postman-echo.com:80",
Enabled = true
});
// create a new latency toxic instance
var newToxic = new LatencyToxic()
{
Name = "GetEchoLatencyTestToxic",
Type = LatencyToxic.ToxicType,
Stream = "upstream", // TODO: need to move to enum
Toxicity = 1
};
newToxic.Attributes.Latency = latency;
newToxic.Attributes.Jitter = 0;
// add the toxic to the toxiproxy proxy
var toxic = await toxiproxyClient.AddToxicAsync <LatencyToxic>(newToxic, proxy.Name);
PostmanEcho result = null;
var stopWatch = new Stopwatch();
try {
// set the uri to test as the toxiproxy proxy upstream endpoint
_chaosApiClient.ApiUri = new Uri($"http://{proxy.Listen}/get?foo1=bar1&foo2=bar2");
// create a new instance of Module to test
_module = new Module(_chaosApiClient, new Mock <ILogger <Module> >().Object);
// test the GetDataAsync method and track the execution time
stopWatch.Start();
result = await _module.GetDataAsync();
stopWatch.Stop();
}
catch (Exception exception) {
// TODO: add logging
throw;
}
finally {
// clean up the proxy we created for testing
await toxiproxyClient.DeleteProxyAsync(proxy.Name);
}
// result should not be null
Assert.IsNotNull(result);
// API call should have taken longer to execute than the latency injected into toxiproxy
Assert.IsTrue(stopWatch.ElapsedMilliseconds > latency);
}
