#!/usr/bin/env python
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__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: '.': children:
    ['SConstruct', 'file.in', 'file.mid', 'file.out']
    waiting on unstarted children:
    ['file.mid', 'file.out']
Taskmaster: 'file.mid': children:
    ['file.in']
    evaluating
Copy("file.mid", "file.in")
Taskmaster: 'file.out': children:
    ['file.mid']
    evaluating
Copy("file.out", "file.mid")
Taskmaster: '.': children:
    ['SConstruct', 'file.in', 'file.mid', 'file.out']
    evaluating
""")

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: '.': children:
    ['SConstruct', 'file.in', 'file.mid', 'file.out']
    waiting on unstarted children:
    ['file.mid', 'file.out']
Taskmaster: 'file.mid': children:
    ['file.in']
    evaluating
Taskmaster: 'file.out': children:
    ['file.mid']
    evaluating
Taskmaster: '.': children:
    ['SConstruct', 'file.in', 'file.mid', 'file.out']
    evaluating
"""

test.must_match('trace.out', expect_trace)

test.pass_test()