1 files changed, 138 insertions, 0 deletions
diff --git a/test/CacheDir/option--cr.py b/test/CacheDir/option--cr.py
new file mode 100644
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+++ b/test/CacheDir/option--cr.py
@@ -0,0 +1,138 @@
+#!/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__"
+
+"""
+Test the --cache-readonly option when retrieving derived files from a
+CacheDir. It should retrieve as normal but not update files.
+"""
+
+import os.path
+import shutil
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.subdir('cache', 'src')
+
+test.write(['src', 'SConstruct'], """
+def cat(env, source, target):
+    target = str(target[0])
+    open('cat.out', 'ab').write(target + "\\n")
+    f = open(target, "wb")
+    for src in source:
+        f.write(open(str(src), "rb").read())
+    f.close()
+env = Environment(BUILDERS={'Cat':Builder(action=cat)})
+env.Cat('aaa.out', 'aaa.in')
+env.Cat('bbb.out', 'bbb.in')
+env.Cat('ccc.out', 'ccc.in')
+env.Cat('all', ['aaa.out', 'bbb.out', 'ccc.out'])
+CacheDir(r'%s')
+""" % test.workpath('cache'))
+
+test.write(['src', 'aaa.in'], "aaa.in\n")
+test.write(['src', 'bbb.in'], "bbb.in\n")
+test.write(['src', 'ccc.in'], "ccc.in\n")
+
+# Verify that a normal build works correctly, and clean up.
+# This should populate the cache with our derived files.
+test.run(chdir = 'src', arguments = '.')
+
+test.must_match(['src', 'all'], "aaa.in\nbbb.in\nccc.in\n")
+test.must_match(['src', 'cat.out'], "aaa.out\nbbb.out\nccc.out\nall\n")
+
+test.up_to_date(chdir = 'src', arguments = '.')
+
+test.run(chdir = 'src', arguments = '-c .')
+test.unlink(['src', 'cat.out'])
+
+# Verify that we now retrieve the derived files from cache,
+# not rebuild them.  Then clean up.
+test.run(chdir = 'src', arguments = '--cache-readonly .',
+         stdout = test.wrap_stdout("""\
+Retrieved `aaa.out' from cache
+Retrieved `bbb.out' from cache
+Retrieved `ccc.out' from cache
+Retrieved `all' from cache
+"""))
+
+test.must_match(['src', 'all'], "aaa.in\nbbb.in\nccc.in\n")
+test.must_not_exist(test.workpath('src', 'cat.out'))
+
+test.up_to_date(chdir = 'src', arguments = '.')
+
+test.run(chdir = 'src', arguments = '-c .')
+
+# What we do now is to change one of the files and rebuild
+test.write(['src', 'aaa.in'], "aaa.rebuild\n")
+
+# This should just rebuild aaa.out (and all)
+test.run(chdir = 'src',
+         arguments = '--cache-readonly .',
+         stdout = test.wrap_stdout("""\
+cat(["aaa.out"], ["aaa.in"])
+Retrieved `bbb.out' from cache
+Retrieved `ccc.out' from cache
+cat(["all"], ["aaa.out", "bbb.out", "ccc.out"])
+"""))
+
+test.must_match(['src', 'all'], "aaa.rebuild\nbbb.in\nccc.in\n")
+# cat.out contains only the things we built (not got from cache)
+test.must_match(['src', 'cat.out'], "aaa.out\nall\n")
+
+test.up_to_date(chdir = 'src', arguments = '.')
+
+test.run(chdir = 'src', arguments = '-c .')
+test.unlink(['src', 'cat.out'])
+
+# Verify that aaa.out contents weren't updated with the last build
+# Then clean up.
+test.run(chdir = 'src',
+         arguments = '--cache-readonly .',
+         stdout = test.wrap_stdout("""\
+cat(["aaa.out"], ["aaa.in"])
+Retrieved `bbb.out' from cache
+Retrieved `ccc.out' from cache
+cat(["all"], ["aaa.out", "bbb.out", "ccc.out"])
+"""))
+
+test.must_match(['src', 'all'], "aaa.rebuild\nbbb.in\nccc.in\n")
+test.must_match(['src', 'cat.out'], "aaa.out\nall\n")
+
+test.up_to_date(chdir = 'src', arguments = '.')
+
+test.run(chdir = 'src', arguments = '-c .')
+test.unlink(['src', 'cat.out'])
+
+# All done.
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: