From 171b1eac91263cc8896506321ce686f17cc66314 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sat, 9 May 2020 19:09:33 +0200
Subject: test_helpers: use new ctlsock.CtlSock API

---
 tests/test_helpers/helpers.go | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

diff --git a/tests/test_helpers/helpers.go b/tests/test_helpers/helpers.go
index 1fe0c19..b612de0 100644
--- a/tests/test_helpers/helpers.go
+++ b/tests/test_helpers/helpers.go
@@ -4,17 +4,14 @@ import (
 	"bytes"
 	"crypto/md5"
 	"encoding/hex"
-	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"log"
-	"net"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"syscall"
 	"testing"
-	"time"
 
 	"github.com/rfjakob/gocryptfs/ctlsock"
 	"github.com/rfjakob/gocryptfs/internal/nametransform"
@@ -347,29 +344,24 @@ func Du(t *testing.T, fd int) (nBytes int64) {
 
 // QueryCtlSock sends a request to the control socket at "socketPath" and
 // returns the response.
-func QueryCtlSock(t *testing.T, socketPath string, req ctlsock.RequestStruct) (response ctlsock.ResponseStruct) {
-	conn, err := net.DialTimeout("unix", socketPath, 1*time.Second)
+func QueryCtlSock(t *testing.T, socketPath string, req ctlsock.RequestStruct) ctlsock.ResponseStruct {
+	c, err := ctlsock.New(socketPath)
 	if err != nil {
+		// Connecting to the socket failed already. This is fatal.
 		t.Fatal(err)
 	}
-	defer conn.Close()
-	conn.SetDeadline(time.Now().Add(time.Second))
-	msg, err := json.Marshal(req)
-	if err != nil {
-		t.Fatal(err)
-	}
-	_, err = conn.Write(msg)
-	if err != nil {
-		t.Fatal(err)
-	}
-	buf := make([]byte, 5000)
-	n, err := conn.Read(buf)
+	defer c.Close()
+	resp, err := c.Query(&req)
 	if err != nil {
+		// If we got a response, try to extract it. This is not fatal here
+		// as the tests may expect error responses.
+		if resp2, ok := err.(*ctlsock.ResponseStruct); ok {
+			return *resp2
+		}
+		// Another error means that we did not even get a response. This is fatal.
 		t.Fatal(err)
 	}
-	buf = buf[:n]
-	json.Unmarshal(buf, &response)
-	return response
+	return *resp
 }
 
 // ExtractCmdExitCode extracts the exit code from an error value that was
-- 
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