Generate fake keys for testing.

README.md

@@ -40,6 +40,7 @@ I was hoping to hack together some sort of reflection technique to auto-generate
       aws s3 rm PATH           # delete a PATH
 
       aws sts decode-authorization-message MESSAGE  # Decode an authorization MESSAGE
+      aws sts generate-fake-key                     # Generate fake keys for testing
       aws sts get-access-key-info                   # Get info about access keys
       aws sts get-caller-identity                   # Get current users details
 

lib/awscli_sts.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require 'aws-sdk-core'
+require 'securerandom'
 
 require 'awscli_subcommand'
 
@@ -60,5 +61,21 @@ def get_access_key_info(key)
       warn e.message
       exit 1
     end
+
+    desc 'generate-fake-key', 'Generate fake keys for testing'
+    # aws sts generate-fake-key
+    def generate_fake_key
+      resp = {
+        access_key: {
+          access_key_id: "AKIA#{Array.new(16) { [*'A'..'Z', *'2'..'7'].sample }.join}",
+          create_date: Time.new,
+          secret_access_key: SecureRandom.base64(30),
+          status: 'Active',
+          user_name: ENV.fetch('USER', 'awsrubycli')
+        }
+      }
+
+      puts JSON.pretty_generate(resp.to_h)
+    end
   end
 end

spec/lib/awscli/sts_spec.rb

@@ -45,5 +45,10 @@
         .to output(/account/).to_stdout
       expect(sts_client).to have_received(:get_access_key_info).with({ access_key_id: 'AKIA1234567890ABCDEF' })
     end
+
+    it 'calls generate_fake_key' do
+      expect { described_class.start(%w[generate_fake_key]) }
+        .to output(/AKIA[A-Z234567]{16}/).to_stdout
+    end
   end
 end