SCons_newglossary / test / SourceSignatures.py

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

import imp
import os
import os.path
import time

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """
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')

SourceSignatures('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')

test.run(arguments = 'f1.out f2.out f3.out f4.out',
         stdout = 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"])
"""))

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 = 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.
"""))

test.write('SConstruct', """
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')

SourceSignatures('MD5')
""")

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')

test.run(arguments = 'f1.out f2.out f3.out f4.out',
         stdout = 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"])
"""))

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.up_to_date(arguments = 'f1.out f2.out f3.out f4.out')

test.write('SConstruct', """
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')
""")

test.up_to_date(arguments = 'f1.out f2.out f3.out f4.out')

test.write('SConstruct', """
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 })
env2 = env.Clone()
env2.SourceSignatures('MD5')
env.B(target = 'f5.out', source = 'f5.in')
env.B(target = 'f6.out', source = 'f6.in')
env2.B(target = 'f7.out', source = 'f7.in')
env2.B(target = 'f8.out', source = 'f8.in')

SourceSignatures('timestamp')
""")

test.write('f5.in', "f5.in\n")
test.write('f6.in', "f6.in\n")
test.write('f7.in', "f7.in\n")
test.write('f8.in', "f8.in\n")

test.run(arguments = 'f5.out f7.out')

test.run(arguments = 'f5.out f6.out f7.out f8.out',
         stdout = test.wrap_stdout("""\
scons: `f5.out' is up to date.
build(["f6.out"], ["f6.in"])
scons: `f7.out' is up to date.
build(["f8.out"], ["f8.in"])
"""))

os.utime(test.workpath('f5.in'), 
         (os.path.getatime(test.workpath('f5.in')),
          os.path.getmtime(test.workpath('f5.in'))+10))
os.utime(test.workpath('f7.in'), 
         (os.path.getatime(test.workpath('f7.in')),
          os.path.getmtime(test.workpath('f7.in'))+10))

test.run(arguments = 'f5.out f6.out f7.out f8.out',
         stdout = test.wrap_stdout("""\
build(["f5.out"], ["f5.in"])
scons: `f6.out' is up to date.
scons: `f7.out' is up to date.
scons: `f8.out' is up to date.
"""))

test.up_to_date(arguments = 'f5.out f6.out f7.out f8.out')

# Ensure that switching signature types causes a rebuild:
test.write('SConstruct', """
SourceSignatures('MD5')

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 = 'switch.out', source = 'switch.in')
""")

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

switch_out_switch_in = test.wrap_stdout('build(["switch.out"], ["switch.in"])\n')

test.run(arguments = 'switch.out', stdout = switch_out_switch_in)

test.up_to_date(arguments = 'switch.out')

test.write('SConstruct', """
SourceSignatures('timestamp')

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 = 'switch.out', source = 'switch.in')
""")

test.run(arguments = 'switch.out', stdout = switch_out_switch_in)

test.up_to_date(arguments = 'switch.out')

test.write('SConstruct', """
SourceSignatures('MD5')

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 = 'switch.out', source = 'switch.in')
""")

test.run(arguments = 'switch.out', stdout = switch_out_switch_in)

test.up_to_date(arguments = 'switch.out')

test.write('switch.in', "switch.in 2\n")

test.run(arguments = 'switch.out', stdout = switch_out_switch_in)


# Test both implicit_cache and timestamp signatures at the same time:
test.write('SConstruct', """
SetOption('implicit_cache', 1)
SourceSignatures('timestamp')

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 = 'both.out', source = 'both.in')
""")

test.write('both.in', "both.in 1\n")

both_out_both_in = test.wrap_stdout('build(["both.out"], ["both.in"])\n')

test.run(arguments = 'both.out', stdout = both_out_both_in)

time.sleep(2)

test.write('both.in', "both.in 2\n")

test.run(arguments = 'both.out', stdout = both_out_both_in)

time.sleep(2)

test.write('both.in', "both.in 3\n")

test.run(arguments = 'both.out', stdout = both_out_both_in)

time.sleep(2)

test.write('both.in', "both.in 4\n")

test.run(arguments = 'both.out', stdout = both_out_both_in)

time.sleep(2)

test.up_to_date(arguments = 'both.out')

test.pass_test()
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