Merge pull request #191 from prees1/master

Can specify a custom banner string in Options via config

2 files changed, 13 insertions, 2 deletions

diff --git a/lib/slop/options.rb b/lib/slop/options.rb
index ed99c64..c1873d0 100644
--- a/lib/slop/options.rb
+++ b/lib/slop/options.rb
@@ -26,7 +26,7 @@ module Slop
     def initialize(**config)
       @options    = []
       @separators = []
-      @banner     = "usage: #{$0} [options]"
+      @banner     = config[:banner].is_a?(String) ? config[:banner] : config.fetch(:banner, "usage: #{$0} [options]")
       @config     = DEFAULT_CONFIG.merge(config)
       @parser     = Parser.new(self, @config)
 
diff --git a/test/options_test.rb b/test/options_test.rb
index 65461db..bb19210 100644
--- a/test/options_test.rb
+++ b/test/options_test.rb
@@ -55,7 +55,7 @@ describe Slop::Options do
   end
 
   describe "#to_s" do
-    it "is prefixed with the banner" do
+    it "is prefixed with the default banner" do
       assert_match(/^usage/, @options.to_s)
     end
 
@@ -82,4 +82,15 @@ describe Slop::Options do
       assert_match(/^    -h, --help/, @options.to_s.lines.last)
     end
   end
+
+  describe "custom banner" do
+    it "is prefixed with defined banner" do
+      @options_config = Slop::Options.new({banner: "custom banner"})
+      assert_match(/^custom banner/, @options_config.to_s) 
+    end
+    it "banner is disabled" do
+      @options_config = Slop::Options.new({banner: false})
+      assert_match("", @options_config.to_s)
+    end
+  end
 end