moss

commit ad2839962a7ffd0d7c257f25db8ad42c141a2864
parent 7c806bc7a394e10c901e14a049dd3713ea2d3fe8
Author: Daniel Barlow <dan@telent.net>
Date:   Fri, 13 Aug 2021 09:56:14 +0100

correct usage message for invoking an alias

Diffstat:
M
features/moss.feature
 | 
5
++++-
M
features/step_definitions/steps.rb
 | 
4
++--
M
moss.rb
 | 
2
+-

3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/features/moss.feature b/features/moss.feature
@@ -118,4 +118,7 @@ Feature: command-line password management
 
   Scenario: argument checking
     When I run "moss show"
-    Then it complains that the wrong arguments were given
+    Then it shows a usage message for "show"
+
+    When I run "moss cat"
+    Then it shows a usage message for "cat"
diff --git a/features/step_definitions/steps.rb b/features/step_definitions/steps.rb
@@ -197,7 +197,7 @@ When("I run {string}") do |command|
   @exit_status = $?.exitstatus
 end
 
-Then("it complains that the wrong arguments were given") do
+Then("it shows a usage message for {string}") do |command|
   expect(@exit_status).to be > 0
-  expect(@i_see).to match /usage: moss show \<file\>/
+  expect(@i_see).to match /usage: moss #{command} \<file\>/
 end
diff --git a/moss.rb b/moss.rb
@@ -235,7 +235,7 @@ class CLI
         public_send(name,  *payload)
       end
     rescue ArgumentError => e
-      raise UsageError, "usage: moss #{describe_usage(name)}"
+      raise UsageError, "usage: moss #{argv.first} #{params_to_s(method(name))}"
     end
   end