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SCons / test / option / taskmastertrace.py

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#!/usr/bin/env python
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"""
Simple tests of the --taskmastertrace= option.
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """
env = Environment()

# We name the files 'Tfile' so that they will sort after the SConstruct
# file regardless of whether the test is being run on a case-sensitive
# or case-insensitive system.

env.Command('Tfile.out', 'Tfile.mid', Copy('$TARGET', '$SOURCE'))
env.Command('Tfile.mid', 'Tfile.in', Copy('$TARGET', '$SOURCE'))
""")

test.write('Tfile.in', "Tfile.in\n")

expect_stdout = test.wrap_stdout("""\

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <no_state   0   '.'> and its children:
Taskmaster:        <no_state   0   'SConstruct'>
Taskmaster:        <no_state   0   'Tfile.in'>
Taskmaster:        <no_state   0   'Tfile.mid'>
Taskmaster:        <no_state   0   'Tfile.out'>
Taskmaster:      adjusted ref count: <pending    1   '.'>, child 'SConstruct'
Taskmaster:      adjusted ref count: <pending    2   '.'>, child 'Tfile.in'
Taskmaster:      adjusted ref count: <pending    3   '.'>, child 'Tfile.mid'
Taskmaster:      adjusted ref count: <pending    4   '.'>, child 'Tfile.out'
Taskmaster:     Considering node <no_state   0   'SConstruct'> and its children:
Taskmaster: Evaluating <pending    0   'SConstruct'>

Task.make_ready_current(): node <pending    0   'SConstruct'>
Task.prepare():      node <up_to_date 0   'SConstruct'>
Task.executed_with_callbacks(): node <up_to_date 0   'SConstruct'>
Task.postprocess():  node <up_to_date 0   'SConstruct'>
Task.postprocess():  removing <up_to_date 0   'SConstruct'>
Task.postprocess():  adjusted parent ref count <pending    3   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <no_state   0   'Tfile.in'> and its children:
Taskmaster: Evaluating <pending    0   'Tfile.in'>

Task.make_ready_current(): node <pending    0   'Tfile.in'>
Task.prepare():      node <up_to_date 0   'Tfile.in'>
Task.executed_with_callbacks(): node <up_to_date 0   'Tfile.in'>
Task.postprocess():  node <up_to_date 0   'Tfile.in'>
Task.postprocess():  removing <up_to_date 0   'Tfile.in'>
Task.postprocess():  adjusted parent ref count <pending    2   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <no_state   0   'Tfile.mid'> and its children:
Taskmaster:        <up_to_date 0   'Tfile.in'>
Taskmaster: Evaluating <pending    0   'Tfile.mid'>

Task.make_ready_current(): node <pending    0   'Tfile.mid'>
Task.prepare():      node <executing  0   'Tfile.mid'>
Task.execute():      node <executing  0   'Tfile.mid'>
Copy("Tfile.mid", "Tfile.in")
Task.executed_with_callbacks(): node <executing  0   'Tfile.mid'>
Task.postprocess():  node <executed   0   'Tfile.mid'>
Task.postprocess():  removing <executed   0   'Tfile.mid'>
Task.postprocess():  adjusted parent ref count <pending    1   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <no_state   0   'Tfile.out'> and its children:
Taskmaster:        <executed   0   'Tfile.mid'>
Taskmaster: Evaluating <pending    0   'Tfile.out'>

Task.make_ready_current(): node <pending    0   'Tfile.out'>
Task.prepare():      node <executing  0   'Tfile.out'>
Task.execute():      node <executing  0   'Tfile.out'>
Copy("Tfile.out", "Tfile.mid")
Task.executed_with_callbacks(): node <executing  0   'Tfile.out'>
Task.postprocess():  node <executed   0   'Tfile.out'>
Task.postprocess():  removing <executed   0   'Tfile.out'>
Task.postprocess():  adjusted parent ref count <pending    0   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <pending    0   '.'> and its children:
Taskmaster:        <up_to_date 0   'SConstruct'>
Taskmaster:        <up_to_date 0   'Tfile.in'>
Taskmaster:        <executed   0   'Tfile.mid'>
Taskmaster:        <executed   0   'Tfile.out'>
Taskmaster: Evaluating <pending    0   '.'>

Task.make_ready_current(): node <pending    0   '.'>
Task.prepare():      node <executing  0   '.'>
Task.execute():      node <executing  0   '.'>
Task.executed_with_callbacks(): node <executing  0   '.'>
Task.postprocess():  node <executed   0   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster: No candidate anymore.

""")

test.run(arguments='--taskmastertrace=- .', stdout=expect_stdout)



test.run(arguments='-c .')



expect_stdout = test.wrap_stdout("""\
Copy("Tfile.mid", "Tfile.in")
Copy("Tfile.out", "Tfile.mid")
""")

test.run(arguments='--taskmastertrace=trace.out .', stdout=expect_stdout)

expect_trace = """\

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <no_state   0   '.'> and its children:
Taskmaster:        <no_state   0   'SConstruct'>
Taskmaster:        <no_state   0   'Tfile.in'>
Taskmaster:        <no_state   0   'Tfile.mid'>
Taskmaster:        <no_state   0   'Tfile.out'>
Taskmaster:      adjusted ref count: <pending    1   '.'>, child 'SConstruct'
Taskmaster:      adjusted ref count: <pending    2   '.'>, child 'Tfile.in'
Taskmaster:      adjusted ref count: <pending    3   '.'>, child 'Tfile.mid'
Taskmaster:      adjusted ref count: <pending    4   '.'>, child 'Tfile.out'
Taskmaster:     Considering node <no_state   0   'SConstruct'> and its children:
Taskmaster: Evaluating <pending    0   'SConstruct'>

Task.make_ready_current(): node <pending    0   'SConstruct'>
Task.prepare():      node <up_to_date 0   'SConstruct'>
Task.executed_with_callbacks(): node <up_to_date 0   'SConstruct'>
Task.postprocess():  node <up_to_date 0   'SConstruct'>
Task.postprocess():  removing <up_to_date 0   'SConstruct'>
Task.postprocess():  adjusted parent ref count <pending    3   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <no_state   0   'Tfile.in'> and its children:
Taskmaster: Evaluating <pending    0   'Tfile.in'>

Task.make_ready_current(): node <pending    0   'Tfile.in'>
Task.prepare():      node <up_to_date 0   'Tfile.in'>
Task.executed_with_callbacks(): node <up_to_date 0   'Tfile.in'>
Task.postprocess():  node <up_to_date 0   'Tfile.in'>
Task.postprocess():  removing <up_to_date 0   'Tfile.in'>
Task.postprocess():  adjusted parent ref count <pending    2   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <no_state   0   'Tfile.mid'> and its children:
Taskmaster:        <up_to_date 0   'Tfile.in'>
Taskmaster: Evaluating <pending    0   'Tfile.mid'>

Task.make_ready_current(): node <pending    0   'Tfile.mid'>
Task.prepare():      node <executing  0   'Tfile.mid'>
Task.execute():      node <executing  0   'Tfile.mid'>
Task.executed_with_callbacks(): node <executing  0   'Tfile.mid'>
Task.postprocess():  node <executed   0   'Tfile.mid'>
Task.postprocess():  removing <executed   0   'Tfile.mid'>
Task.postprocess():  adjusted parent ref count <pending    1   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <no_state   0   'Tfile.out'> and its children:
Taskmaster:        <executed   0   'Tfile.mid'>
Taskmaster: Evaluating <pending    0   'Tfile.out'>

Task.make_ready_current(): node <pending    0   'Tfile.out'>
Task.prepare():      node <executing  0   'Tfile.out'>
Task.execute():      node <executing  0   'Tfile.out'>
Task.executed_with_callbacks(): node <executing  0   'Tfile.out'>
Task.postprocess():  node <executed   0   'Tfile.out'>
Task.postprocess():  removing <executed   0   'Tfile.out'>
Task.postprocess():  adjusted parent ref count <pending    0   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster:     Considering node <pending    0   '.'> and its children:
Taskmaster:        <up_to_date 0   'SConstruct'>
Taskmaster:        <up_to_date 0   'Tfile.in'>
Taskmaster:        <executed   0   'Tfile.mid'>
Taskmaster:        <executed   0   'Tfile.out'>
Taskmaster: Evaluating <pending    0   '.'>

Task.make_ready_current(): node <pending    0   '.'>
Task.prepare():      node <executing  0   '.'>
Task.execute():      node <executing  0   '.'>
Task.executed_with_callbacks(): node <executing  0   '.'>
Task.postprocess():  node <executed   0   '.'>

Taskmaster: Looking for a node to evaluate
Taskmaster: No candidate anymore.

"""

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

test.pass_test()

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