test: wait until the server is listening

1 files changed, 14 insertions, 2 deletions

diff --git a/spec/support/server.rb b/spec/support/server.rb
index 51d4ed8..e5acdd1 100644
--- a/spec/support/server.rb
+++ b/spec/support/server.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+require 'socket'
 
 RSpec.configure do |config|
   config.add_setting :http
@@ -10,10 +11,21 @@ RSpec.configure do |config|
   config.add_setting :pid
 
   config.before :suite do
+    bind_addr = RSpec.configuration.bind_addr
     RSpec.configuration.pid = Process.spawn({
-      "BIND_ADDR" => RSpec.configuration.bind_addr,
+      "BIND_ADDR" => bind_addr,
     }, "mise exec -- cargo run")
-    sleep 1
+
+    ip, port = bind_addr.split(":")
+    10.times do |n|
+      begin
+        Socket.tcp(ip, port.to_i) { true }
+        break
+      rescue Errno::ECONNREFUSED => error
+        puts error.inspect
+        sleep 1
+      end
+    end
   end
 
   config.after :suite do