scons_gd/scons/test/Touch.py

#!/usr/bin/env python
#
# MIT License
#
# Copyright The SCons Foundation
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"""
Verify that the Touch() Action works.
"""

import os.path

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """\
Execute(Touch('f1'))
Execute(Touch(File('f1-File')))

def cat(env, source, target):
    target = str(target[0])
    with open(target, "wb") as f:
        for src in source:
            with open(str(src), "rb") as ifp:
                f.write(ifp.read())

Cat = Action(cat)
env = Environment()
env.Command('f2.out', 'f2.in', [Cat, Touch("f3")])
env = Environment(FILE='f4')
env.Command('f5.out', 'f5.in', [Touch("$FILE"), Cat])
env.Command('f6.out', 'f6.in', [Cat, Touch("Touch-$SOURCE"), Touch("$TARGET-Touch")])

# Make sure Touch works with a list of arguments
env = Environment()
env.Command(
    'f7.out', 'f7.in', [Cat, Touch(["Touch-$SOURCE", "$TARGET-Touch", File("f8")])]
)
""")

test.write('f1', "f1\n")
test.write('f1-File', "f1-File\n")
test.write('f2.in', "f2.in\n")
test.write('f5.in', "f5.in\n")
test.write('f6.in', "f6.in\n")
test.write('f7.in', "f7.in\n")

old_f1_time = os.path.getmtime(test.workpath('f1'))
old_f1_File_time = os.path.getmtime(test.workpath('f1-File'))

expect = test.wrap_stdout(
    read_str="""\
Touch("f1")
Touch("f1-File")
""",
    build_str="""\
cat(["f2.out"], ["f2.in"])
Touch("f3")
Touch("f4")
cat(["f5.out"], ["f5.in"])
cat(["f6.out"], ["f6.in"])
Touch("Touch-f6.in")
Touch("f6.out-Touch")
cat(["f7.out"], ["f7.in"])
Touch(["Touch-f7.in", "f7.out-Touch", "f8"])
""",
)
test.run(options='-n', arguments='.', stdout=expect)

test.sleep()  # delay for timestamps
new_f1_time = os.path.getmtime(test.workpath('f1'))
test.fail_test(old_f1_time != new_f1_time)
new_f1_File_time = os.path.getmtime(test.workpath('f1-File'))
test.fail_test(old_f1_File_time != new_f1_File_time)

test.must_not_exist(test.workpath('f2.out'))
test.must_not_exist(test.workpath('f3'))
test.must_not_exist(test.workpath('f4'))
test.must_not_exist(test.workpath('f5.out'))
test.must_not_exist(test.workpath('f6.out'))
test.must_not_exist(test.workpath('Touch-f6.in'))
test.must_not_exist(test.workpath('f6.out-Touch'))
test.must_not_exist(test.workpath('f7.out'))
test.must_not_exist(test.workpath('Touch-f7.in'))
test.must_not_exist(test.workpath('f7.out-Touch'))
test.must_not_exist(test.workpath('f8'))

test.run()

new_f1_time = os.path.getmtime(test.workpath('f1'))
test.fail_test(old_f1_time == new_f1_time)
new_f1_File_time = os.path.getmtime(test.workpath('f1-File'))
test.fail_test(old_f1_File_time == new_f1_File_time)

test.must_match('f2.out', "f2.in\n")
test.must_exist(test.workpath('f3'))
test.must_exist(test.workpath('f4'))
test.must_match('f5.out', "f5.in\n")
test.must_match('f6.out', "f6.in\n")
test.must_exist(test.workpath('Touch-f6.in'))
test.must_exist(test.workpath('f6.out-Touch'))
test.must_match('f7.out', "f7.in\n")
test.must_exist(test.workpath('Touch-f7.in'))
test.must_exist(test.workpath('f7.out-Touch'))
test.must_exist(test.workpath('f8'))

test.pass_test()

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