1 files changed, 80 insertions, 0 deletions
diff --git a/test/option/warn-duplicate-environment.py b/test/option/warn-duplicate-environment.py
new file mode 100644
index 0000000..90a7506
--- /dev/null
+++ b/test/option/warn-duplicate-environment.py
@@ -0,0 +1,80 @@
+#!/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 use of the --warn=duplicate-environment option.
+"""
+
+import TestSCons
+
+test = TestSCons.TestSCons(match = TestSCons.match_re_dotall)
+
+
+
+test.write('SConstruct', """
+def build(env, target, source):
+    file = open(str(target[0]), 'wb')
+    for s in source:
+        file.write(open(str(s), 'rb').read())
+
+WARN = ARGUMENTS.get('WARN')
+if WARN:
+    SetOption('warn', WARN)
+
+B = Builder(action=build, multi=1)
+env = Environment(BUILDERS = { 'B' : B })
+env2 = env.Clone(DIFFERENT_VARIABLE = 'true')
+env.B(target = 'file1.out', source = 'file1a.in')
+env2.B(target = 'file1.out', source = 'file1b.in')
+""")
+
+test.write('file1a.in', 'file1a.in\n')
+test.write('file1b.in', 'file1b.in\n')
+
+expect = r"""
+scons: warning: Two different environments were specified for target file1.out,
+\tbut they appear to have the same action: build\(target, source, env\)
+"""
+
+test.run(arguments='file1.out', 
+         stderr=expect + TestSCons.file_expr)
+
+test.must_match('file1.out', "file1a.in\nfile1b.in\n")
+
+test.run(arguments='--warn=duplicate-environment file1.out', 
+         stderr=expect + TestSCons.file_expr)
+
+test.run(arguments='--warn=no-duplicate-environment file1.out')
+
+test.run(arguments='WARN=duplicate-environment file1.out', 
+         stderr=expect + TestSCons.file_expr)
+
+test.run(arguments='WARN=no-duplicate-environment file1.out',
+         stderr = TestSCons.deprecated_python_expr)
+
+
+
+test.pass_test()