Fix tests that use the Python interpreter to execute internal scripts

and also set SConsignFile(None) so the implicit command dependencies
don't cause .sconsign files to be written into the system directory
where the Python executable lives.

1 files changed, 24 insertions, 11 deletions

diff --git a/test/sconsign/script/Signatures.py b/test/sconsign/script/Signatures.py
index 823ef1d..9fdf54e 100644
--- a/test/sconsign/script/Signatures.py
+++ b/test/sconsign/script/Signatures.py
@@ -36,9 +36,6 @@ SourceSignatures('timestamp') with TargetSignatures('content').
 import TestSCons
 import TestSConsign
 
-python = TestSCons.python
-_python_ = TestSCons._python_
-
 test = TestSConsign.TestSConsign(match = TestSConsign.match_re)
 
 # Note:  We don't use os.path.join() representations of the file names
@@ -50,7 +47,20 @@ sub1_hello_obj  = 'sub1/hello.obj'
 
 test.subdir('sub1', 'sub2')
 
-test.write('fake_cc.py', r"""
+# Because this test sets SConsignFile(None), we execute our fake
+# scripts directly, not by feeding them to the Python executable.
+# That is, we chmod 0755 and us a "#!/usr/bin/env python" first
+# line for POSIX systems, and add .PY to the %PATHEXT% variable on
+# Windows.  If we didn't do this, then running this script with
+# suitable prileveges would create a .sconsign file in the directory
+# where the Python executable lives.  This can happen out of the
+# box on Mac OS X, with the result that the .sconsign statefulness
+# can mess up other tests.
+
+fake_cc_py = test.workpath('fake_cc.py')
+fake_link_py = test.workpath('fake_link.py')
+
+test.write(fake_cc_py, r"""#!/usr/bin/env python
 import os
 import re
 import string
@@ -83,7 +93,7 @@ process(input, output)
 sys.exit(0)
 """)
 
-test.write('fake_link.py', r"""
+test.write(fake_link_py, r"""#!/usr/bin/env python
 import sys
 
 output = open(sys.argv[1], 'wb')
@@ -96,13 +106,16 @@ output.write(input.read())
 sys.exit(0)
 """)
 
+test.chmod(fake_cc_py, 0755)
+test.chmod(fake_link_py, 0755)
+
 test.write('SConstruct', """
 SConsignFile(None)
 Decider('timestamp-newer')
 env1 = Environment(PROGSUFFIX = '.exe',
                    OBJSUFFIX = '.obj',
-                   CCCOM = r'%(_python_)s fake_cc.py sub2 $TARGET $SOURCE',
-                   LINKCOM = r'%(_python_)s fake_link.py $TARGET $SOURCE')
+                   CCCOM = r'%(fake_cc_py)s sub2 $TARGET $SOURCE',
+                   LINKCOM = r'%(fake_link_py)s $TARGET $SOURCE')
 env1.Program('sub1/hello.c')
 env2 = env1.Clone(CPPPATH = ['sub2'])
 env2.Program('sub2/hello.c')
@@ -136,22 +149,22 @@ date_re = r'\S+ \S+ [ \d]\d \d\d:\d\d:\d\d \d\d\d\d'
 test.run_sconsign(arguments = "-e hello.exe -e hello.obj sub1/.sconsign",
          stdout = r"""hello.exe: %(sig_re)s \d+ \d+
         %(sub1_hello_obj)s: %(sig_re)s \d+ \d+
-        %(python)s: None \d+ \d+
+        fake_link\.py: None \d+ \d+
         %(sig_re)s \[.*\]
 hello.obj: %(sig_re)s \d+ \d+
         %(sub1_hello_c)s: None \d+ \d+
-        %(python)s: None \d+ \d+
+        fake_cc\.py: None \d+ \d+
         %(sig_re)s \[.*\]
 """ % locals())
 
 test.run_sconsign(arguments = "-e hello.exe -e hello.obj -r sub1/.sconsign",
          stdout = r"""hello.exe: %(sig_re)s '%(date_re)s' \d+
         %(sub1_hello_obj)s: %(sig_re)s '%(date_re)s' \d+
-        %(python)s: None '%(date_re)s' \d+
+        fake_link\.py: None '%(date_re)s' \d+
         %(sig_re)s \[.*\]
 hello.obj: %(sig_re)s '%(date_re)s' \d+
         %(sub1_hello_c)s: None '%(date_re)s' \d+
-        %(python)s: None '%(date_re)s' \d+
+        fake_cc\.py: None '%(date_re)s' \d+
         %(sig_re)s \[.*\]
 """ % locals())