From f56939c16c36ee946f40571bdc330b432af93cce Mon Sep 17 00:00:00 2001
From: Todd Gamblin <tgamblin@llnl.gov>
Date: Wed, 9 Mar 2016 17:01:01 -0800
Subject: Add unit test for sbang patching.

---
 lib/spack/spack/test/__init__.py | 13 +++---
 lib/spack/spack/test/sbang.py    | 93 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 6 deletions(-)
 create mode 100644 lib/spack/spack/test/sbang.py

(limited to 'lib')

diff --git a/lib/spack/spack/test/__init__.py b/lib/spack/spack/test/__init__.py
index 4b9a361d4b..d5d8b64765 100644
--- a/lib/spack/spack/test/__init__.py
+++ b/lib/spack/spack/test/__init__.py
@@ -65,7 +65,8 @@ test_names = ['versions',
               'lock',
               'database',
               'namespace_trie',
-              'yaml']
+              'yaml',
+              'sbang']
 
 
 def list_tests():
@@ -87,20 +88,20 @@ def run(names, outputDir, verbose=False):
                           "Valid names are:")
                 colify(sorted(test_names), indent=4)
                 sys.exit(1)
-    
+
     tally = Tally()
     for test in names:
         module = 'spack.test.' + test
         print module
-        
+
         tty.msg("Running test: %s" % test)
-        
+
         runOpts = ["--with-%s" % spack.test.tally_plugin.Tally.name]
-        
+
         if outputDir:
             xmlOutputFname = "unittests-{0}.xml".format(test)
             xmlOutputPath = join_path(outputDir, xmlOutputFname)
-            runOpts += ["--with-xunit", 
+            runOpts += ["--with-xunit",
                 "--xunit-file={0}".format(xmlOutputPath)]
         argv = [""] + runOpts + [module]
         result = nose.run(argv=argv, addplugins=[tally])
diff --git a/lib/spack/spack/test/sbang.py b/lib/spack/spack/test/sbang.py
new file mode 100644
index 0000000000..825bc4be98
--- /dev/null
+++ b/lib/spack/spack/test/sbang.py
@@ -0,0 +1,93 @@
+##############################################################################
+# Copyright (c) 2013-2015, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# 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) version 2.1 dated February 1999.
+#
+# 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 terms and
+# conditions of the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+"""\
+Test that Spack's shebang filtering works correctly.
+"""
+import os
+import unittest
+import tempfile
+import shutil
+
+from llnl.util.filesystem import *
+from spack.hooks.sbang import filter_shebangs_in_directory
+import spack
+
+short_line = "#!/this/is/short/bin/bash\n"
+long_line  = "#!/this/" + ('x' * 200) + "/is/long\n"
+sbang_line = '#!/bin/bash %s/bin/sbang\n' % spack.spack_root
+last_line = "last!\n"
+
+class SbangTest(unittest.TestCase):
+    def setUp(self):
+        self.tempdir = tempfile.mkdtemp()
+
+        # make sure we can ignore non-files
+        directory = os.path.join(self.tempdir, 'dir')
+        mkdirp(directory)
+
+        # Script with short shebang
+        self.short_shebang = os.path.join(self.tempdir, 'short')
+        with open(self.short_shebang, 'w') as f:
+            f.write(short_line)
+            f.write(last_line)
+
+        # Script with long shebang
+        self.long_shebang = os.path.join(self.tempdir, 'long')
+        with open(self.long_shebang, 'w') as f:
+            f.write(long_line)
+            f.write(last_line)
+
+        # Script already using sbang.
+        self.has_shebang = os.path.join(self.tempdir, 'shebang')
+        with open(self.has_shebang, 'w') as f:
+            f.write(sbang_line)
+            f.write(long_line)
+            f.write(last_line)
+
+
+    def tearDown(self):
+         shutil.rmtree(self.tempdir, ignore_errors=True)
+
+
+
+    def test_shebang_handling(self):
+        filter_shebangs_in_directory(self.tempdir)
+
+        # Make sure this is untouched
+        with open(self.short_shebang, 'r') as f:
+            self.assertEqual(f.readline(), short_line)
+            self.assertEqual(f.readline(), last_line)
+
+        # Make sure this got patched.
+        with open(self.long_shebang, 'r') as f:
+            self.assertEqual(f.readline(), sbang_line)
+            self.assertEqual(f.readline(), long_line)
+            self.assertEqual(f.readline(), last_line)
+
+        # Make sure this is untouched
+        with open(self.has_shebang, 'r') as f:
+            self.assertEqual(f.readline(), sbang_line)
+            self.assertEqual(f.readline(), long_line)
+            self.assertEqual(f.readline(), last_line)
-- 
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