Add default connect_timeout option to connection string (#626)

* Add default connect_timeout option to connection string
* Add an extra test

pkg/connection/connection_string.go

@@ -6,9 +6,11 @@ import (
 	neturl "net/url"
 	"os"
 	"os/user"
+	"strconv"
 	"strings"
 
 	"github.com/jackc/pgpassfile"
+
 	"github.com/sosedoff/pgweb/pkg/command"
 )
 
@@ -88,6 +90,11 @@ func FormatURL(opts command.Options) (string, error) {
 		}
 	}
 
+	// Configure default connect timeout
+	if opts.OpenTimeout > 0 {
+		params["connect_timeout"] = strconv.Itoa(opts.OpenTimeout)
+	}
+
 	// Rebuild query params
 	query := neturl.Values{}
 	for k, v := range params {
@@ -142,6 +149,11 @@ func BuildStringFromOptions(opts command.Options) (string, error) {
 		opts.Pass = lookupPassword(opts, nil)
 	}
 
+	// Configure default connect timeout
+	if opts.OpenTimeout > 0 {
+		query.Add("connect_timeout", strconv.Itoa(opts.OpenTimeout))
+	}
+
 	url := neturl.URL{
 		Scheme:   "postgres",
 		Host:     fmt.Sprintf("%v:%v", opts.Host, opts.Port),