Deploy managed portal with Docker

internal/managed/remote_client_test.go

@@ -4,10 +4,12 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"errors"
 	"io"
 	"net/http"
 	"strings"
 	"testing"
+	"time"
 )
 
 type roundTripFunc func(req *http.Request) (*http.Response, error)
@@ -139,3 +141,37 @@ func TestRemoteClientRoundTrip(t *testing.T) {
 		t.Fatalf("Content-Disposition = %q", resp.Header.Get("Content-Disposition"))
 	}
 }
+
+func TestRemoteClientRetriesTransientRequestErrors(t *testing.T) {
+	t.Parallel()
+
+	attempts := 0
+	client := NewRemoteClient(&http.Client{Transport: roundTripFunc(func(r *http.Request) (*http.Response, error) {
+		attempts++
+		if attempts < 3 {
+			return nil, errors.New("connect: connection refused")
+		}
+		return &http.Response{
+			StatusCode: http.StatusOK,
+			Header:     make(http.Header),
+			Body:       io.NopCloser(strings.NewReader(`{"config_path":"/srv/store/config/local.yaml"}`)),
+		}, nil
+	})})
+	client.retryDelay = time.Millisecond
+
+	service := Service{
+		ID:         "store_dwell_alert",
+		APIBaseURL: "http://managed.invalid/store",
+	}
+
+	configPayload, err := client.GetConfig(context.Background(), service)
+	if err != nil {
+		t.Fatalf("GetConfig() error = %v", err)
+	}
+	if attempts != 3 {
+		t.Fatalf("attempts = %d", attempts)
+	}
+	if got := configPayload["config_path"]; got != "/srv/store/config/local.yaml" {
+		t.Fatalf("config_path = %#v", got)
+	}
+}