Merge pull request fog#2508 from allomov/test-more-verbose

Make test output more verbose if Provider is not available for live tests.

Rakefile

@@ -82,7 +82,7 @@ task :live, :provider do |t, args|
     fail 'USAGE: rake live[<provider>]'
   end
   provider = args[:provider]
-  sh("export FOG_MOCK=false && bundle exec shindont tests/#{provider}")
+  sh("export FOG_MOCK=false PROVIDER=#{provider} && bundle exec shindont tests/#{provider}")
 end
 
 task :nuke do

tests/helper.rb

@@ -39,6 +39,12 @@ def array_differences(array_a, array_b)
 
 unavailable_providers = all_providers - available_providers
 
+if !ENV['PROVIDER'].nil? && unavailable_providers.include?(ENV['PROVIDER'])
+  Formatador.display_line("[red]Requested provider #{ENV['PROVIDER']} is not available.[/]" + 
+                          "[red]Check if .fog file has correct configuration (see '#{Fog.credentials_path}')[/]")
+  exit(0)
+end
+
 for provider in unavailable_providers
   Formatador.display_line("[yellow]Skipping tests for [bold]#{provider}[/] [yellow]due to lacking credentials (add some to '#{Fog.credentials_path}' to run them)[/]")
   Thread.current[:tags] << ('-' << provider)