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Merge pull request #1957 from OffchainLabs/rpcclient
Rpcclient: retry delay
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| //go:build toxiproxy | ||
| // +build toxiproxy | ||
|
|
||
| package rpcclient | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
| "time" | ||
|
|
||
| toxiproxy "github.com/Shopify/toxiproxy/client" | ||
| ) | ||
|
|
||
| func TestToxiRpcClient(t *testing.T) { | ||
| ctx, cancel := context.WithTimeout(context.Background(), time.Minute*2) | ||
| defer cancel() | ||
|
|
||
| server1 := createTestNode(t, ctx, 0) | ||
|
|
||
| toxiprox := toxiproxy.NewClient("localhost:8474") | ||
| proxy, err := toxiprox.CreateProxy("testRpc", "", server1.WSEndpoint()[5:]) | ||
| Require(t, err) | ||
| defer proxy.Delete() | ||
|
|
||
| config := &ClientConfig{ | ||
| URL: "ws://" + proxy.Listen, | ||
| Timeout: time.Second * 5, | ||
| Retries: 3, | ||
| RetryErrors: "websocket: close.*|.* i/o timeout|.*connection reset by peer|dial tcp .*", | ||
| RetryDelay: time.Millisecond * 500, | ||
| } | ||
| Require(t, config.Validate()) | ||
| configFetcher := func() *ClientConfig { return config } | ||
|
|
||
| client := NewRpcClient(configFetcher, server1) | ||
|
|
||
| err = client.Start(ctx) | ||
| Require(t, err) | ||
|
|
||
| err = client.CallContext(ctx, nil, "test_delay", 500) | ||
| Require(t, err) | ||
|
|
||
| errChan := make(chan error) | ||
| proxyErrChan := make(chan error) | ||
| callDealy := func() { | ||
| callCtx, cancel := context.WithTimeout(ctx, 10*time.Second) | ||
| errChan <- client.CallContext(callCtx, nil, "test_delay", 3000) | ||
| cancel() | ||
| } | ||
| proxyDisable := func() { | ||
| <-time.After(time.Millisecond * 30) | ||
| err = proxy.Disable() | ||
| if err != nil { | ||
| proxyErrChan <- err | ||
| return | ||
| } | ||
| <-time.After(time.Millisecond * 500) | ||
| err = proxy.Enable() | ||
| proxyErrChan <- err | ||
| } | ||
| proxyReset := func() { | ||
| <-time.After(time.Millisecond * 20) | ||
| _, err = proxy.AddToxic("reset_all", "reset_peer", "downstream", 1.0, toxiproxy.Attributes{"timeout": 5}) | ||
| if err != nil { | ||
| proxyErrChan <- err | ||
| return | ||
| } | ||
| <-time.After(time.Millisecond * 3000) | ||
| err = proxy.RemoveToxic("reset_all") | ||
| proxyErrChan <- err | ||
| } | ||
|
|
||
| config.Retries = 0 | ||
| go callDealy() | ||
| go proxyDisable() | ||
| err = <-proxyErrChan | ||
| Require(t, err) | ||
| err = <-errChan | ||
| if err == nil { | ||
| Fail(t, "call during proxyDisable succeeded without retries") | ||
| } | ||
|
|
||
| config.Retries = 3 | ||
| go callDealy() | ||
| go proxyDisable() | ||
| err = <-proxyErrChan | ||
| Require(t, err) | ||
| err = <-errChan | ||
| if err != nil { | ||
| Fail(t, "call during proxyDisable failed with retries:", err) | ||
| } | ||
|
|
||
| config.Retries = 0 | ||
| go callDealy() | ||
| go proxyReset() | ||
| err = <-proxyErrChan | ||
| Require(t, err) | ||
| err = <-errChan | ||
| if err == nil { | ||
| Fail(t, "call during proxyReset succeeded without retries") | ||
| } | ||
|
|
||
| config.Retries = 3 | ||
| go callDealy() | ||
| go proxyReset() | ||
| err = <-proxyErrChan | ||
| Require(t, err) | ||
| err = <-errChan | ||
| if err != nil { | ||
| Fail(t, "call during proxyReset failed with retries:", err) | ||
| } | ||
| } |