Add explicit support for Builder wrapper functions (pseudo-Builders) in the BUILDERS...

[scons.git] / test / builder-wrappers.py

diff --git a/test/builder-wrappers.py b/test/builder-wrappers.py
new file mode 100644 (file)
index 0000000..dbde302
--- /dev/null
+++ b/test/builder-wrappers.py
@@ -0,0 +1,68 @@
+#!/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 ability to use a direct Python function to wrap
+calls to other Builder(s).
+"""
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.write('SConstruct', """
+import os.path
+import string
+def cat(target, source, env):
+    fp = open(str(target[0]), 'w')
+    for s in map(str, source):
+        fp.write(open(s).read())
+Cat = Builder(action=cat)
+def Wrapper(env, target, source):
+    if not target:
+        target = [string.replace(str(source[0]), '.in', '.wout')]
+    t1 = 't1-'+str(target[0])
+    source = 's-'+str(source[0])
+    env.Cat(t1, source)
+    t2 = 't2-'+str(target[0])
+    env.Cat(t2, source)
+env = Environment(BUILDERS = {'Cat' : Cat,
+                              'Wrapper' : Wrapper})
+env.Wrapper('f1.out', 'f1.in')
+env.Wrapper('f2.in')
+""")
+
+test.write('s-f1.in', "s-f1.in\n")
+test.write('s-f2.in', "s-f2.in\n")
+
+test.run()
+
+test.must_match('t1-f1.out', "s-f1.in\n")
+test.must_match('t1-f2.wout', "s-f2.in\n")
+test.must_match('t2-f1.out', "s-f1.in\n")
+test.must_match('t2-f2.wout', "s-f2.in\n")
+
+test.pass_test()