Flush log file after every write

2 files changed, 10 insertions, 0 deletions

diff --git a/lib/gitlab_logger.rb b/lib/gitlab_logger.rb
index cdca25b..1b49e9a 100644
--- a/lib/gitlab_logger.rb
+++ b/lib/gitlab_logger.rb
@@ -61,6 +61,8 @@ class GitlabLogger
     else
       log_file.puts format_text(data)
     end
+
+    log_file.flush
   end
 
   def pid
diff --git a/spec/gitlab_logger_spec.rb b/spec/gitlab_logger_spec.rb
index 741ee13..b6159ea 100644
--- a/spec/gitlab_logger_spec.rb
+++ b/spec/gitlab_logger_spec.rb
@@ -112,4 +112,12 @@ describe GitlabLogger do
       expect(JSON.parse(first_line)).to include('msg' => '"hello\x80world"')
     end
   end
+
+  describe 'flushing' do
+    it 'flushes the log file after each message' do
+      expect(output).to receive(:flush)
+
+      subject.info('hello')
+    end
+  end
 end