From e8554fb2a9f9d9c4d121d4670d96fddd1b6933d4 Mon Sep 17 00:00:00 2001
From: yseto <yseto@users.noreply.github.com>
Date: Fri, 18 Jun 2021 11:28:59 +0900
Subject: [PATCH] rewrite check-memcached tests. used docker.

---
 check-memcached/lib/check-memcached_test.go | 78 ---------------------
 check-memcached/test.sh                     | 26 +++++++
 2 files changed, 26 insertions(+), 78 deletions(-)
 delete mode 100644 check-memcached/lib/check-memcached_test.go
 create mode 100755 check-memcached/test.sh

diff --git a/check-memcached/lib/check-memcached_test.go b/check-memcached/lib/check-memcached_test.go
deleted file mode 100644
index 1e5ea925..00000000
--- a/check-memcached/lib/check-memcached_test.go
+++ /dev/null
@@ -1,78 +0,0 @@
-package checkmemcached
-
-import (
-	"context"
-	"net"
-	"os/exec"
-	"syscall"
-	"testing"
-	"time"
-)
-
-func allocUnusedPort() (string, error) {
-	l, err := net.Listen("tcp", "127.0.0.1:0")
-	if err != nil {
-		return "", err
-	}
-	_, port, err := net.SplitHostPort(l.Addr().String())
-	if err != nil {
-		return "", err
-	}
-	l.Close()
-	return port, nil
-}
-
-func waitForPort(ctx context.Context, port string) error {
-	addr := net.JoinHostPort("127.0.0.1", port)
-	d, _ := ctx.Deadline()
-	dialer := net.Dialer{
-		Deadline: d,
-	}
-	for ctx.Err() == nil {
-		c, err := dialer.Dial("tcp", addr)
-		if err != nil {
-			time.Sleep(100 * time.Millisecond)
-			continue
-		}
-		c.Close()
-		return nil
-	}
-	return ctx.Err()
-}
-
-func TestMemd(t *testing.T) {
-	if _, err := exec.LookPath("memcached"); err != nil {
-		t.Skip("memcached is not installed")
-	}
-	port, err := allocUnusedPort()
-	if err != nil {
-		t.Fatal("allocUnusedPort:", err)
-	}
-	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
-	defer cancel()
-	cmd := exec.CommandContext(ctx, "memcached", "-p", port)
-	cmd.SysProcAttr = &syscall.SysProcAttr{
-		Setpgid: true,
-	}
-	if err := cmd.Start(); err != nil {
-		t.Fatal("Start:", err)
-	}
-	if err := waitForPort(ctx, port); err != nil {
-		t.Fatal("waitForPort:", err)
-	}
-
-	t.Logf("memcached started on port %s", port)
-	defer func() {
-		if cmd != nil && cmd.Process != nil {
-			cmd.Process.Signal(syscall.SIGTERM)
-		}
-	}()
-
-	argv := []string{"-p", port, "-k", "test"}
-	ckr := run(argv)
-	if ckr.Status.String() != "OK" {
-		t.Errorf("failed to check memcache:%s", ckr)
-	}
-	cmd.Process.Signal(syscall.SIGTERM)
-	cmd.Wait()
-}
diff --git a/check-memcached/test.sh b/check-memcached/test.sh
new file mode 100755
index 00000000..1fdea3b5
--- /dev/null
+++ b/check-memcached/test.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+prog=$(basename "$0")
+if ! [ -S /var/run/docker.sock ]
+then
+	echo "$prog: there are no running docker" >&2
+	exit 2
+fi
+
+cd "$(dirname "$0")" || exit
+PATH=$(pwd):$PATH
+plugin=$(basename "$(pwd)")
+if ! which "$plugin" >/dev/null
+then
+	echo "$prog: $plugin is not installed" >&2
+	exit 2
+fi
+
+port=21211
+image=memcached
+
+docker run --name "test-$plugin" -p "$port:11211" -d "$image"
+trap 'docker stop test-$plugin; docker rm test-$plugin; exit' EXIT
+sleep 10
+
+exec $plugin -p $port -k test