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@@ -1,4 +1,5 @@
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 require 'open3'
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+require 'benchmark'
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 # Runs specs in all files matching the file pattern.
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 #
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@@ -6,28 +7,32 @@ require 'open3'
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 # globs<String, Array[String]>:: File patterns to look for.
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 # spec_cmd<~to_s>:: The spec command. Defaults to "spec".
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 # run_opts<String>:: Options to pass to spec commands, for instance,
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-#                  if you want to use profiling formatter.
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+#                    if you want to use profiling formatter.
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 def run_specs(globs, spec_cmd='spec', run_opts = "-c -f s")
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   require "optparse"
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   require "spec"
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   globs = globs.is_a?(Array) ? globs : [globs]
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   examples, failures, errors, pending = 0, 0, 0, 0
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-  globs.each do |glob|
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-    Dir[glob].each do |spec|
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-      response = Open3.popen3("#{spec_cmd} #{File.expand_path(spec)} #{run_opts}") do |i,o,e|
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-        while out = o.gets
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-          STDOUT.puts out
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-          STDOUT.flush
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-          if out =~ /\d+ example/
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-            e, f, p = out.match(/(\d+) examples?, (\d+) failures?(?:, (\d+) pending?)?/)[1..-1]
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-            examples += e.to_i; failures += f.to_i; pending += p.to_i
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+
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+  time = Benchmark.measure do
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+    globs.each do |glob|
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+      Dir[glob].each do |spec|
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+        response = Open3.popen3("#{spec_cmd} #{File.expand_path(spec)} #{run_opts}") do |i,o,e|
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+          while out = o.gets
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+            STDOUT.puts out
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+            STDOUT.flush
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+            if out =~ /\d+ example/
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+              e, f, p = out.match(/(\d+) examples?, (\d+) failures?(?:, (\d+) pending?)?/)[1..-1]
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+              examples += e.to_i; failures += f.to_i; pending += p.to_i
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+            end
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           end
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+          errors += 1 if e.is_a?(IO)
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+          STDOUT.puts e.read if e.is_a?(IO)
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         end
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-        errors += 1 if e.is_a?(IO)
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-        STDOUT.puts e.read if e.is_a?(IO)
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       end
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     end
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   end
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+
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   puts
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   puts "*** TOTALS ***"
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   if failures == 0
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@@ -36,5 +41,7 @@ def run_specs(globs, spec_cmd='spec', run_opts = "-c -f s")
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     print "\e[31m"
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   end
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   puts "#{examples} examples, #{failures} failures, #{errors} errors, #{pending} pending"
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+
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+  puts "suite run in #{time.real} seconds"
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   print "\e[0m"
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 end