From 3ead78ee38be40f49259c0c7960c4ba5b8eed047 Mon Sep 17 00:00:00 2001
From: Pascal Betz <pascal.betz@swisscom.com>
Date: Tue, 6 Oct 2020 21:10:21 +0200
Subject: [PATCH] add exception message

https://github.com/will/crystal-pg/issues/208
---
 spec/pg/connection_spec.cr | 2 +-
 src/pg/connection.cr       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/spec/pg/connection_spec.cr b/spec/pg/connection_spec.cr
index 3dedb40d..2a8caa3a 100644
--- a/spec/pg/connection_spec.cr
+++ b/spec/pg/connection_spec.cr
@@ -2,7 +2,7 @@ require "../spec_helper"
 
 describe PG::Connection, "#initialize" do
   it "raises on bad connections" do
-    expect_raises(DB::ConnectionRefused) {
+    expect_raises(DB::ConnectionRefused, "Cannot establish connection") {
       DB.open("postgres://localhost:5433")
     }
   end
diff --git a/src/pg/connection.cr b/src/pg/connection.cr
index 75b3cdda..b1ffc9ff 100644
--- a/src/pg/connection.cr
+++ b/src/pg/connection.cr
@@ -13,7 +13,7 @@ module PG
         @connection = PQ::Connection.new(conn_info)
         @connection.connect
       rescue ex
-        raise DB::ConnectionRefused.new(cause: ex)
+        raise DB::ConnectionRefused.new(ex.message, cause: ex)
       end
     end