logging.rb in calabash-cucumber-0.17.1

- old
+ new

@@ -1,8 +1,10 @@
 module Calabash
   module Cucumber
+    require "fileutils"
     require "run_loop"
+    require "calabash-cucumber/dot_dir"
 
     # These methods are not part of the API.
     #
     # They may change at any time.
 
@@ -30,10 +32,34 @@
     # red
     def self.log_error(msg)
       puts self.red("ERROR: #{msg}") if msg
     end
 
+    # !@visibility private
+    def self.log_to_file(message)
+      timestamp = self.timestamp
+
+      begin
+        File.open(self.calabash_log_file, "a:UTF-8") do |file|
+          message.split($-0).each do |line|
+            file.write("#{timestamp} #{line}#{$-0}")
+          end
+        end
+      rescue => e
+        message =
+%Q{Could not write:
+
+#{message}
+
+to calabash.log because:
+
+#{e}
+}
+        self.log_debug(message)
+      end
+    end
+
     private
 
     # @!visibility private
     def self.windows_env?
       RbConfig::CONFIG["host_os"] =~ /mswin|mingw|cygwin/
@@ -71,9 +97,30 @@
     end
 
     # @!visibility private
     def self.green(string)
       colorize(string, 32)
+    end
+
+    # @!visibility private
+    def self.timestamp
+      Time.now.strftime("%Y-%m-%d_%H-%M-%S")
+    end
+
+    # @!visibility private
+    def self.logs_directory
+      path = File.join(Calabash::Cucumber::DotDir.directory, "logs")
+      FileUtils.mkdir_p(path)
+      path
+    end
+
+    # @!visibility private
+    def self.calabash_log_file
+      path = File.join(self.logs_directory, "calabash.log")
+      if !File.exist?(path)
+        FileUtils.touch(path)
+      end
+      path
     end
   end
 end
 