#!/usr/bin/env python
#
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import os
import re

import TestSCons

test = TestSCons.TestSCons(match = TestSCons.match_re_dotall)


base_sconstruct_contents = """\
SetOption('warn', 'deprecated-source-signatures')
def build(env, target, source):
    open(str(target[0]), 'wt').write(open(str(source[0]), 'rt').read())
B = Builder(action = build)
env = Environment(BUILDERS = { 'B' : B })
env.B(target = 'f1.out', source = 'f1.in')
env.B(target = 'f2.out', source = 'f2.in')
env.B(target = 'f3.out', source = 'f3.in')
env.B(target = 'f4.out', source = 'f4.in')
"""

def write_SConstruct(test, sigtype):
    contents = base_sconstruct_contents
    if sigtype:
         contents = contents + ("\nSourceSignatures('%s')\n" % sigtype)
    test.write('SConstruct', contents)


expect = TestSCons.re_escape("""
scons: warning: The env.SourceSignatures() method is deprecated;
\tconvert your build to use the env.Decider() method instead.
""") + TestSCons.file_expr

write_SConstruct(test, 'timestamp')

test.write('f1.in', "f1.in\n")
test.write('f2.in', "f2.in\n")
test.write('f3.in', "f3.in\n")
test.write('f4.in', "f4.in\n")

test.run(arguments = 'f1.out f3.out', stderr = expect)

test.run(arguments = 'f1.out f2.out f3.out f4.out',
         stdout = re.escape(test.wrap_stdout("""\
scons: `f1.out' is up to date.
build(["f2.out"], ["f2.in"])
scons: `f3.out' is up to date.
build(["f4.out"], ["f4.in"])
""")),
         stderr = expect)


os.utime(test.workpath('f1.in'), 
         (os.path.getatime(test.workpath('f1.in')),
          os.path.getmtime(test.workpath('f1.in'))+10))
os.utime(test.workpath('f3.in'), 
         (os.path.getatime(test.workpath('f3.in')),
          os.path.getmtime(test.workpath('f3.in'))+10))

test.run(arguments = 'f1.out f2.out f3.out f4.out',
         stdout = re.escape(test.wrap_stdout("""\
build(["f1.out"], ["f1.in"])
scons: `f2.out' is up to date.
build(["f3.out"], ["f3.in"])
scons: `f4.out' is up to date.
""")),
         stderr = expect)


# Switching to content signatures from timestamps should rebuild,
# because we didn't record the content signatures last time.

write_SConstruct(test, 'MD5')

test.not_up_to_date(arguments = 'f1.out f2.out f3.out f4.out', stderr = expect)


test.sleep()

test.write('f1.in', "f1.in\n")
test.write('f2.in', "f2.in\n")
test.write('f3.in', "f3.in\n")
test.write('f4.in', "f4.in\n")

test.up_to_date(arguments = 'f1.out f2.out f3.out f4.out', stderr = None)


test.touch('f1.in', os.path.getmtime(test.workpath('f1.in'))+10)
test.touch('f3.in', os.path.getmtime(test.workpath('f3.in'))+10)

test.up_to_date(arguments = 'f1.out f2.out f3.out f4.out', stderr = None)


write_SConstruct(test, None)

test.up_to_date(arguments = 'f1.out f2.out f3.out f4.out', stderr = None)


test.pass_test()

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