SCons_newglossary / test / option-u.py

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

"""
Test that the -u option only builds targets at or below
the current directory.
"""

import os.path
import sys

import TestSCons

test = TestSCons.TestSCons()

test.subdir('sub1',
            'sub2', ['sub2', 'dir'],
            'sub3',
            'sub4', ['sub4', 'dir'])

test.write('SConstruct', """
def cat(env, source, target):
    target = str(target[0])
    source = map(str, source)
    f = open(target, "wb")
    for src in source:
        f.write(open(src, "rb").read())
    f.close()
env = Environment()
env.Append(BUILDERS = {'Cat' : Builder(action=cat)})
env.Cat(target = 'sub1/f1a.out', source = 'sub1/f1a.in')
env.Cat(target = 'sub1/f1b.out', source = 'sub1/f1b.in')
Export('env')
SConscript('sub2/SConscript')
f3 = env.Cat(target = 'sub3/f3.out', source = 'sub3/f3.in')
env.Alias('my_alias', f3)
BuildDir('build', 'sub4')
SConscript('build/SConscript')
""")

test.write(['sub2', 'SConscript'], """
Import('env')
env.Cat(target = 'f2a.out', source = 'f2a.in')
env.Cat(target = 'dir/f2b.out', source = 'dir/f2b.in')
""")

test.write(['sub4', 'SConscript'], """
Import('env')
env.Cat(target = 'f4a.out', source = 'f4a.in')
f4b_in = File('dir/f4b.in')
f4b_in.exists()
f4b_in.is_derived()
f4b_in.is_pseudo_derived()
env.Cat(target = 'dir/f4b.out', source = f4b_in)
""")

test.write(['sub1', 'f1a.in'], "sub1/f1a.in")
test.write(['sub1', 'f1b.in'], "sub1/f1b.in")
test.write(['sub2', 'f2a.in'], "sub2/f2a.in")
test.write(['sub2', 'dir', 'f2b.in'], "sub2/dir/f2b.in")
test.write(['sub3', 'f3.in'], "sub3/f3.in")
test.write(['sub4', 'f4a.in'], "sub4/f4a.in")
test.write(['sub4', 'dir', 'f4b.in'], "sub4/dir/f4b.in")

# Verify that we only build the specified local argument.
test.run(chdir = 'sub1', arguments = '-u f1a.out')

test.must_match(['sub1', 'f1a.out'], "sub1/f1a.in")
test.must_not_exist(test.workpath('sub1', 'sub1/f1b.out'))
test.must_not_exist(test.workpath('sub2', 'f2a.out'))
test.must_not_exist(test.workpath('sub2', 'dir', 'f2b.out'))
test.must_not_exist(test.workpath('sub3', 'f3.out'))
test.must_not_exist(test.workpath('sub4', 'f4a.out'))
test.must_not_exist(test.workpath('sub4', 'dir', 'f4b.out'))
test.must_not_exist(test.workpath('build', 'f4a.out'))
test.must_not_exist(test.workpath('build', 'dir', 'f4b.out'))

# Verify that we build everything at or below our current directory.
test.run(chdir = 'sub2', arguments = '-u')

test.must_not_exist(test.workpath('sub1', 'sub1/f1b.out'))
test.must_match(['sub2', 'f2a.out'], "sub2/f2a.in")
test.must_match(['sub2', 'dir', 'f2b.out'], "sub2/dir/f2b.in")
test.must_not_exist(test.workpath('sub3', 'f3.out'))
test.must_not_exist(test.workpath('sub4', 'f4a.out'))
test.must_not_exist(test.workpath('sub4', 'dir', 'f4b.out'))
test.must_not_exist(test.workpath('build', 'f4a.out'))
test.must_not_exist(test.workpath('build', 'dir', 'f4b.out'))

# Verify that we build a specified alias, regardless of where.
test.run(chdir = 'sub2', arguments = '-u my_alias')

test.must_not_exist(test.workpath('sub1', 'sub1/f1b.out'))
test.must_match(['sub3', 'f3.out'], "sub3/f3.in")
test.must_not_exist(test.workpath('sub4', 'f4a.out'))
test.must_not_exist(test.workpath('sub4', 'dir', 'f4b.out'))
test.must_not_exist(test.workpath('build', 'f4a.out'))
test.must_not_exist(test.workpath('build', 'dir', 'f4b.out'))

# Verify that we build things in a linked BuildDir.
f4a_in = os.path.join('build', 'f4a.in')
f4a_out = os.path.join('build', 'f4a.out')
f4b_in = os.path.join('build', 'dir', 'f4b.in')
f4b_out = os.path.join('build', 'dir', 'f4b.out')
test.run(chdir = 'sub4',
         arguments = '-u',
         stdout = "scons: Entering directory `%s'\n" % test.workpath() + \
                  test.wrap_stdout("""\
scons: building associated BuildDir targets: build
cat(["%s"], ["%s"])
cat(["%s"], ["%s"])
scons: `sub4' is up to date.
""" % (f4b_out, f4b_in, f4a_out, f4a_in)))

test.must_not_exist(test.workpath('sub1', 'sub1/f1b.out'))
test.must_not_exist(test.workpath('sub4', 'f4a.out'))
test.must_not_exist(test.workpath('sub4', 'dir', 'f4b.out'))
test.must_match(['build', 'f4a.out'], "sub4/f4a.in")
test.must_match(['build', 'dir', 'f4b.out'], "sub4/dir/f4b.in")

# Make sure explicit targets beginning with ../ get built.
test.subdir('sub6', ['sub6', 'dir'])

test.write(['sub6', 'SConstruct'], """\
def cat(env, source, target):
    target = str(target[0])
    source = map(str, source)
    f = open(target, "wb")
    for src in source:
        f.write(open(src, "rb").read())
    f.close()
env = Environment(BUILDERS={'Cat':Builder(action=cat)})
env.Cat('f1.out', 'f1.in')
env.Cat('f2.out', 'f2.in')
SConscript('dir/SConscript', "env")
""")

test.write(['sub6', 'f1.in'], "f1.in\n")
test.write(['sub6', 'f2.in'], "f2.in\n")

test.write(['sub6', 'dir', 'SConscript'], """\
Import("env")
env.Cat('f3.out', 'f3.in')
env.Cat('f4.out', 'f4.in')
""")

test.write(['sub6', 'dir', 'f3.in'], "f3.in\n")
test.write(['sub6', 'dir', 'f4.in'], "f4.in\n")

test.run(chdir = 'sub6/dir', arguments = '-u ../f2.out')

test.must_not_exist(test.workpath('sub6', 'f1.out'))
test.must_exist(test.workpath('sub6', 'f2.out'))
test.must_not_exist(test.workpath('sub6', 'dir', 'f3.out'))
test.must_not_exist(test.workpath('sub6', 'dir', 'f4.out'))

test.pass_test()
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