Some more debugging for a test which was unstable. (#214)

* A bit more debugging.

Author: neunhoef

go.mod

@@ -4,5 +4,7 @@ go 1.12
 
 require (
 	github.com/arangodb/go-velocypack v0.0.0-20190129082528-7896a965b4ad
+	github.com/coreos/go-iptables v0.4.3
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
+	github.com/pkg/errors v0.8.1
 )

go.sum

@@ -1,7 +1,14 @@
 github.com/arangodb/go-velocypack v0.0.0-20190129082528-7896a965b4ad h1:Ah+VRYUWLuqgbfnDyuC8IrIe8XFzpt9tBVVnPGFNTJ8=
 github.com/arangodb/go-velocypack v0.0.0-20190129082528-7896a965b4ad/go.mod h1:7QCjpWXdB49P6fql1CxmsBWd8z/T4L4pqFLTnc10xNM=
+github.com/coreos/go-iptables v0.4.3 h1:jJg1aFuhCqWbgBl1VTqgTHG5faPM60A5JDMjQ2HYv+A=
+github.com/coreos/go-iptables v0.4.3/go.mod h1:/mVI274lEDI2ns62jHCDnCyBF9Iwsmekav8Dbxlm1MU=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=

test/backup_test.go

@@ -33,6 +33,8 @@ import (
 	"time"
 
 	driver "github.com/arangodb/go-driver"
+
+	errors "github.com/pkg/errors"
 )
 
 var backupAPIAvailable *bool
@@ -341,24 +343,32 @@ func waitForServerRestart(ctx context.Context, c driver.Client, t *testing.T) {
 
 	serverWasDown := false
 
+	saveDriver := driver.WithStack
+	driver.WithStack = errors.WithStack
+
 	for {
 		vctx, cancel := context.WithTimeout(ctx, 50*time.Millisecond)
 		if _, err := c.Version(vctx); err != nil {
-			if driver.IsTimeout(err) {
-				serverWasDown = true
-			}
+			fmt.Printf("Error Response: %v\n", err)
+			fmt.Printf("Error Response: %+v\n", err)
+			serverWasDown = true
 		} else {
 			if serverWasDown {
+				fmt.Print("Leaving successfully\n")
 				cancel()
+				driver.WithStack = saveDriver
 				return
 			}
 		}
 
 		cancel()
 		select {
 		case <-ctx.Done():
+			fmt.Print("Context cancelled\n")
+			driver.WithStack = saveDriver
 			return
 		case <-time.After(1 * time.Second):
+			//fmt.Print("After 1 second\n")
 			break
 		}
 	}