Add test for command help strings.

1 files changed, 6 insertions, 0 deletions

diff --git a/Library/Homebrew/test/cask/cli_spec.rb b/Library/Homebrew/test/cask/cli_spec.rb
index 0dac89b0e..9bf14fd89 100644
--- a/Library/Homebrew/test/cask/cli_spec.rb
+++ b/Library/Homebrew/test/cask/cli_spec.rb
@@ -63,4 +63,10 @@ describe Hbc::CLI, :cask do
       described_class.process("noop")
     end
   end
+
+  it "provides a help message for all commands" do
+    described_class.command_classes.each do |command_class|
+      expect(command_class.help).to match(/\w+/), command_class.name
+    end
+  end
 end