1 files changed, 116 insertions, 0 deletions
diff --git a/test/timestamp-fallback.py b/test/timestamp-fallback.py
new file mode 100644
index 000000000..6b1003352
--- /dev/null
+++ b/test/timestamp-fallback.py
@@ -0,0 +1,116 @@
+#!/usr/bin/env python
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+"""
+Verify falling back to 'timestamp' behavior if there is no native
+hashlib and no underlying md5 module available.
+"""
+
+import imp
+import os
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+try:
+    file, name, desc = imp.find_module('hashlib')
+except ImportError:
+    pass
+else:
+    msg = "This version of Python has a 'hashlib' module.\n" + \
+          "Skipping test of falling back to timestamps.\n"
+    test.skip_test(msg)
+
+try:
+    file, name, desc = imp.find_module('md5')
+except ImportError:
+    pass
+else:
+    if desc[2] == imp.C_BUILTIN:
+        msg = "The 'md5' module is built in to this version of Python.\n" + \
+              "Cannot test falling back to timestamps.\n"
+        test.skip_test(msg)
+
+test.write('md5.py', r"""
+raise ImportError
+""")
+
+os.environ['PYTHONPATH'] = test.workpath('.')
+
+test.write('SConstruct', """
+DefaultEnvironment(tools=[])
+def build(env, target, source):
+    open(str(target[0]), 'wt').write(open(str(source[0]), 'rt').read())
+B = Builder(action = build)
+env = Environment(tools = [], BUILDERS = { 'B' : B })
+env.B(target = 'f1.out', source = 'f1.in')
+env.B(target = 'f2.out', source = 'f2.in')
+env.B(target = 'f3.out', source = 'f3.in')
+env.B(target = 'f4.out', source = 'f4.in')
+""")
+
+test.write('f1.in', "f1.in\n")
+test.write('f2.in', "f2.in\n")
+test.write('f3.in', "f3.in\n")
+test.write('f4.in', "f4.in\n")
+
+test.run(arguments = 'f1.out f3.out',
+         stderr = None)
+
+test.run(arguments = 'f1.out f2.out f3.out f4.out',
+         stdout = test.wrap_stdout("""\
+scons: `f1.out' is up to date.
+build(["f2.out"], ["f2.in"])
+scons: `f3.out' is up to date.
+build(["f4.out"], ["f4.in"])
+"""),
+         stderr = None)
+
+os.utime(test.workpath('f1.in'), 
+         (os.path.getatime(test.workpath('f1.in')),
+          os.path.getmtime(test.workpath('f1.in'))+10))
+os.utime(test.workpath('f3.in'), 
+         (os.path.getatime(test.workpath('f3.in')),
+          os.path.getmtime(test.workpath('f3.in'))+10))
+
+test.run(arguments = 'f1.out f2.out f3.out f4.out',
+         stdout = test.wrap_stdout("""\
+build(["f1.out"], ["f1.in"])
+scons: `f2.out' is up to date.
+build(["f3.out"], ["f3.in"])
+scons: `f4.out' is up to date.
+"""),
+         stderr = None)
+
+
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: