SCons / test / nonexistent.py

#!/usr/bin/env python
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"""
This test verifies that we fail gracefully and provide informative
messages if someone tries to build a target that hasn't been defined
or uses a nonexistent source file.
"""

__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

import os.path
import re

import TestSCons

test = TestSCons.TestSCons()

foo_bar = os.path.join('foo', 'bar')

test.write('SConstruct', """
env = Environment()
env.Command("aaa.out", "aaa.in", "should never get executed")
env.Command("bbb.out", "bbb.in", "should never get executed")
File('xxx')
Dir('ddd')
""")

test.run(arguments = 'foo',
         stderr = "scons: \\*\\*\\* Do not know how to make File target `foo' \\(.*foo\\).( *Stop.)?\n",
         status = 2,
         match=TestSCons.match_re_dotall)

test.run(arguments = '-k foo/bar foo',
         stderr = "scons: \\*\\*\\* Do not know how to make File target `%s' \\(.*foo.bar\\).\n" % re.escape(foo_bar),
         status = 2,
         match=TestSCons.match_re_dotall)

test.run(arguments = "aaa.out",
         stderr = "scons: *** [aaa.out] Source `aaa.in' not found, needed by target `aaa.out'.\n",
         status = 2)

test.run(arguments = "-k bbb.out aaa.out",
         stderr = """scons: *** [bbb.out] Source `bbb.in' not found, needed by target `bbb.out'.
scons: *** [aaa.out] Source `aaa.in' not found, needed by target `aaa.out'.
""",
         status = 2)

test.run(arguments = '-k aaa.in bbb.in',
         stderr = """scons: \\*\\*\\* Do not know how to make File target `aaa.in' \\(.*aaa.in\\).
scons: \\*\\*\\* Do not know how to make File target `bbb.in' \\(.*bbb.in\\).
""",
         status = 2,
         match=TestSCons.match_re_dotall)


test.run(arguments = 'xxx',
         stderr = "scons: \\*\\*\\* Do not know how to make File target `xxx' \\(.*xxx\\).( *Stop.)?\n",
         status = 2,
         match=TestSCons.match_re_dotall)

test.run(arguments = 'ddd')


# Make sure that SCons doesn't print up-to-date messages for non-derived files that exist:
test.write('SConstruct', """
File('xxx')
""")

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

test.run(arguments='xxx', stdout=test.wrap_stdout("""\
scons: Nothing to be done for `xxx'.
"""))
         
test.run(arguments='xxx', stdout=test.wrap_stdout("""\
scons: Nothing to be done for `xxx'.
"""))

test.pass_test()

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