Prevent -n from unlinking files.

1 files changed, 94 insertions, 0 deletions

diff --git a/test/Repository/option-n.py b/test/Repository/option-n.py
new file mode 100644
index 00000000..b4beda72
--- /dev/null
+++ b/test/Repository/option-n.py
@@ -0,0 +1,94 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2001, 2002 Steven Knight
+#
+# 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.
+#
+
+"""
+This test verifies that building using the -n option doesn't create a
+local copy of a file specified as Local() in the SConstruct.
+"""
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import os.path
+import sys
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.subdir('repository', ['repository', 'src'],
+            'work', ['work', 'src'])
+
+repository_aaa_out = test.workpath('repository', 'aaa.out')
+work_aaa_out = test.workpath('work', 'aaa.out')
+
+opts = "-Y " + test.workpath('repository')
+
+#
+test.write(['repository', 'SConstruct'], r"""
+def copy(env, source, target):
+    source = str(source[0])
+    target = str(target[0])
+    print 'copy() < %s > %s' % (source, target)
+    open(target, "wb").write(open(source, "rb").read())
+
+Build = Builder(action=copy)
+env = Environment(BUILDERS={'Build':Build})
+env.Build('aaa.out', 'aaa.in')
+Local('aaa.out')
+""")
+
+test.write(['repository', 'aaa.in'], "repository/aaa.in\n")
+
+#
+test.run(chdir = 'repository', options = opts, arguments = '.')
+
+test.fail_test(test.read(repository_aaa_out) != "repository/aaa.in\n")
+
+test.up_to_date(chdir = 'repository', options = opts, arguments = '.')
+
+# Make the entire repository non-writable, so we'll detect
+# if we try to write into it accidentally.
+test.writable('repository', 0)
+
+#
+expect = test.wrap_stdout("""\
+Local copy of aaa.out from %s
+scons: "aaa.out" is up to date.
+""" % repository_aaa_out)
+
+test.run(chdir = 'work',
+         options = opts,
+         arguments = '-n aaa.out',
+         stdout = expect)
+
+test.fail_test(os.path.exists(work_aaa_out))
+
+test.run(chdir = 'work',
+         options = opts,
+         arguments = 'aaa.out',
+         stdout = expect)
+
+test.fail_test(test.read(work_aaa_out) != "repository/aaa.in\n")
+
+#
+test.pass_test()