Add a Flatten() function to help the transition to Builders returning lists.

1 files changed, 76 insertions, 0 deletions

diff --git a/test/Flatten.py b/test/Flatten.py
new file mode 100644
index 00000000..7679bdb0
--- /dev/null
+++ b/test/Flatten.py
@@ -0,0 +1,76 @@
+#!/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 that the Flatten() function is available and works.
+"""
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.subdir('work')
+
+test.write(['work', 'SConstruct'], """
+def cat(env, source, target):
+    target = str(target[0])
+    source = map(str, source)
+    f = open(target, "wb")
+    for src in source:
+        f.write(open(src, "rb").read())
+    f.close()
+env = Environment(BUILDERS={'Cat':Builder(action=cat)})
+f1 = env.Cat('../file1.out', 'file1.in')
+f2 = env.Cat('../file2.out', ['file2a.in', 'file2b.in'])
+print map(str, Flatten(['begin', f1, 'middle', f2, 'end']))
+print map(str, env.Flatten([f1, [['a', 'b'], 'c'], f2]))
+SConscript('SConscript', "env")
+""")
+
+test.write(['work', 'SConscript'], """
+Import("env")
+print Flatten([1, [2, 3], 4])
+print env.Flatten([[[[1], 2], 3], 4])
+""")
+
+test.write('file1.in', "file1.in\n")
+test.write('file2a.in', "file2a.in\n")
+test.write('file2b.in', "file2b.in\n")
+
+expect = """\
+['begin', '%s', 'middle', '%s', 'end']
+['%s', 'a', 'b', 'c', '%s']
+[1, 2, 3, 4]
+[1, 2, 3, 4]
+""" % (test.workpath('file1.out'), test.workpath('file2.out'),
+       test.workpath('file1.out'), test.workpath('file2.out'))
+
+test.run(chdir = "work",
+         arguments = ".",
+         stdout = test.wrap_stdout(read_str = expect,
+                                   build_str = "scons: `.' is up to date.\n"))
+
+test.pass_test()