From 4d27b63fedaab1f7b663a0fb597acc5814a20beb Mon Sep 17 00:00:00 2001
From: KUOKA Yusuke <yusuke.kuoka@gree.net>
Date: Thu, 5 Dec 2013 20:57:55 +0900
Subject: [PATCH] Cover `parse_argv!` method in Observed::System

---
 lib/observed/application/oneshot.rb | 2 +-
 spec/oneshot_spec.rb                | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/lib/observed/application/oneshot.rb b/lib/observed/application/oneshot.rb
index d00b65e..6bf9f5c 100644
--- a/lib/observed/application/oneshot.rb
+++ b/lib/observed/application/oneshot.rb
@@ -47,7 +47,7 @@ def parse_argv!(argv)
 
           opts.parse!(command_line_args)
 
-          if command_line_args.size != 1
+          unless command_line_args.size == 1 || command_line_args.size == 2
             fail InvalidArgumentError, "Invalid number of arguments #{command_line_args.size} where arguments are #{command_line_args}"
           end
 
diff --git a/spec/oneshot_spec.rb b/spec/oneshot_spec.rb
index c802020..ac4e1e9 100644
--- a/spec/oneshot_spec.rb
+++ b/spec/oneshot_spec.rb
@@ -52,7 +52,12 @@ def observe
       end
     end
   end
-  context 'with configuration directories' do
-
+  describe '#parse_argv!' do
+    it 'parses ARGV like arrays and extracts Hash objects containing initialization parameters' do
+      argv = %w| -l logfile -d observed.rb foo1 |
+      params = Observed::Application::Oneshot.parse_argv! argv
+      expect(params).to eq({log_file: Pathname.new('logfile'), debug: true, config_file: 'observed.rb'})
+      expect(argv).to eq(%w| foo1 |)
+    end
   end
 end