Add a --debug=taskmaster option to print traces of what it's doing on its stack.

1 files changed, 78 insertions, 0 deletions

diff --git a/test/option/taskmastertrace.py b/test/option/taskmastertrace.py
new file mode 100644
index 0000000..066e1ff
--- /dev/null
+++ b/test/option/taskmastertrace.py
@@ -0,0 +1,78 @@
+#!/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__"
+
+"""
+Simple tests of the --taskmastertrace= option.
+"""
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.write('SConstruct', """
+env = Environment()
+env.Command('file.out', 'file.mid', Copy('$TARGET', '$SOURCE'))
+env.Command('file.mid', 'file.in', Copy('$TARGET', '$SOURCE'))
+""")
+
+test.write('file.in', "file.in\n")
+
+expect_stdout = test.wrap_stdout("""\
+Taskmaster: '.': waiting on unstarted children:
+    ['file.out', 'file.mid']
+Taskmaster: 'file.mid': building
+Copy("file.mid", "file.in")
+Taskmaster: 'file.out': building
+Copy("file.out", "file.mid")
+Taskmaster: '.': building
+""")
+
+test.run(arguments='--taskmastertrace=- .', stdout=expect_stdout)
+
+
+
+test.run(arguments='-c .')
+
+
+
+expect_stdout = test.wrap_stdout("""\
+Copy("file.mid", "file.in")
+Copy("file.out", "file.mid")
+""")
+
+test.run(arguments='--taskmastertrace=trace.out .', stdout=expect_stdout)
+
+expect_trace = """\
+Taskmaster: '.': waiting on unstarted children:
+    ['file.out', 'file.mid']
+Taskmaster: 'file.mid': building
+Taskmaster: 'file.out': building
+Taskmaster: '.': building
+"""
+
+test.must_match('trace.out', expect_trace)
+
+test.pass_test()