Added files.

imapclient/dovecot_test.go

@@ -0,0 +1,72 @@
+package imapclient_test
+
+import (
+	"io"
+	"net"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"testing"
+)
+
+func newDovecotClientServerPair(t *testing.T) (net.Conn, io.Closer) {
+	tempDir := t.TempDir()
+
+	cfgFilename := filepath.Join(tempDir, "dovecot.conf")
+	cfg := `dovecot_config_version  = 2.4.0
+dovecot_storage_version = 2.4.0
+
+log_path      = "` + tempDir + `/dovecot.log"
+ssl           = no
+mail_home     = "` + tempDir + `/%{user}"
+mail_driver   = maildir
+mail_path     = "~/Mail"
+
+namespace inbox {
+	separator = /
+	prefix =
+	inbox = yes
+}
+
+mail_plugins {
+	acl = yes
+}
+
+protocol imap {
+	mail_plugins {
+		imap_acl = yes
+	}
+}
+
+acl_driver = vfile
+`
+	if err := os.WriteFile(cfgFilename, []byte(cfg), 0666); err != nil {
+		t.Fatalf("failed to write Dovecot config: %v", err)
+	}
+
+	clientConn, serverConn := net.Pipe()
+
+	cmd := exec.Command("doveadm", "-c", cfgFilename, "exec", "imap")
+	cmd.Env = []string{"USER=" + testUsername, "PATH=" + os.Getenv("PATH")}
+	cmd.Dir = tempDir
+	cmd.Stdin = serverConn
+	cmd.Stdout = serverConn
+	cmd.Stderr = os.Stderr
+	if err := cmd.Start(); err != nil {
+		t.Fatalf("failed to start Dovecot: %v", err)
+	}
+
+	return clientConn, &dovecotServer{cmd, serverConn}
+}
+
+type dovecotServer struct {
+	cmd  *exec.Cmd
+	conn net.Conn
+}
+
+func (srv *dovecotServer) Close() error {
+	if err := srv.conn.Close(); err != nil {
+		return err
+	}
+	return srv.cmd.Wait()
+}