ruby: tests: isolate boilerplate in common file

Isolate in a common file all the standard boilerplate in tests, i.e. the
import of the test framework and the guestfs module (including the
import path hack needed for the latter).

Thanks to Vít Ondruch for the precious hints and suggestions.

ruby/Makefile.am

@@ -29,7 +29,8 @@ EXTRA_DIST = \
 	lib/guestfs.rb \
 	run-bindtests \
 	run-ruby-tests \
-	t/tc_*.rb
+	t/tc_*.rb \
+	t/test_helper.rb
 
 CLEANFILES = \
 	lib/*~ \

ruby/t/tc_010_load.rb

@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_load

ruby/t/tc_020_create.rb

@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_create

ruby/t/tc_030_create_flags.rb

@@ -1,5 +1,5 @@
 # libguestfs Ruby bindings -*- ruby -*-
-# Copyright (C) 2013 Red Hat Inc.
+# Copyright (C) 2013-2014 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_create_flags

ruby/t/tc_040_create_multiple.rb

@@ -1,5 +1,5 @@
 # libguestfs Ruby bindings -*- ruby -*-
-# Copyright (C) 2013 Red Hat Inc.
+# Copyright (C) 2013-2014 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_create_multiple

ruby/t/tc_050_handle_properties.rb

@@ -1,5 +1,5 @@
 # libguestfs Ruby bindings -*- ruby -*-
-# Copyright (C) 2013 Red Hat Inc.
+# Copyright (C) 2013-2014 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_handle_properties

ruby/t/tc_060_explicit_close.rb

@@ -1,5 +1,5 @@
 # libguestfs Ruby bindings -*- ruby -*-
-# Copyright (C) 2013 Red Hat Inc.
+# Copyright (C) 2013-2014 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_explicit_close

ruby/t/tc_070_optargs.rb

@@ -1,5 +1,5 @@
 # libguestfs Ruby bindings -*- ruby -*-
-# Copyright (C) 2010 Red Hat Inc.
+# Copyright (C) 2010-2014 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_optargs

ruby/t/tc_100_launch.rb

@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_launch

ruby/t/tc_410_close_event.rb

@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_events

ruby/t/tc_420_log_messages.rb

@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_events

ruby/t/tc_800_rhbz507346.rb

@@ -1,5 +1,5 @@
 # libguestfs Ruby bindings -*- ruby -*-
-# Copyright (C) 2009 Red Hat Inc.
+# Copyright (C) 2009-2014 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -15,10 +15,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_rhbz507346

ruby/t/tc_810_rhbz664558c6.rb

@@ -1,5 +1,5 @@
 # libguestfs Ruby bindings -*- ruby -*-
-# Copyright (C) 2011 Red Hat Inc.
+# Copyright (C) 2011-2014 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -19,10 +19,7 @@
 # the interpreter to segfault.  See:
 # https://bugzilla.redhat.com/show_bug.cgi?id=664558#c6
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def test_rhbz664558c6

ruby/t/tc_820_rhbz1046509.rb

@@ -1,5 +1,5 @@
 # libguestfs Ruby bindings -*- ruby -*-
-# Copyright (C) 2013 Red Hat Inc.
+# Copyright (C) 2013-2014 Red Hat Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -18,10 +18,7 @@
 # Test that we don't break the old ::create module function while
 # fixing https://bugzilla.redhat.com/show_bug.cgi?id=1046509
 
-require 'test/unit'
-$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
-$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
-require 'guestfs'
+require File::join(File::dirname(__FILE__), 'test_helper')
 
 class TestLoad < Test::Unit::TestCase
   def _handleok(g)

ruby/t/test_helper.rb

@@ -0,0 +1,22 @@
+# libguestfs Ruby bindings -*- ruby -*-
+# Copyright (C) 2009-2014 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+require 'test/unit'
+
+$:.unshift(File::join(File::dirname(__FILE__), "..", "lib"))
+$:.unshift(File::join(File::dirname(__FILE__), "..", "ext", "guestfs"))
+require 'guestfs'