SCons / test / BadBuilder.py

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

"""
Test the ability to catch Builder creation with poorly specified Actions.
"""

import os.path

import TestSCons

test = TestSCons.TestSCons()

SConstruct_path = test.workpath('SConstruct')

sconstruct = """
def buildop(env, source, target):
    outf = open(str(target[0]), 'wb')
    inpf = open(str(source[0]), 'r')
    for line in inpf.readlines():
        if line.find(str(target[0])) == -1:
            outf.write(line)
    inpf.close()
    outf.close()
b1 = Builder(action=buildop, src_suffix='.a', suffix='.b')
%s
env=Environment(tools=[], BUILDERS={'b1':b1, 'b2':b2})
foo_b = env.b1(source='foo.a')
env.b2(source=foo_b)
"""

test.write('foo.a', """\
foo.c
foo.b
built
""")

python_file_line = test.python_file_line(SConstruct_path, 14)

### Gross mistake in Builder spec

test.write(SConstruct_path, sconstruct % '\
b2 = Builder(act__ion=buildop, src_suffix=".b", suffix=".c")')

expect_stderr = """\

scons: *** Builder b2 must have an action to build ['foo.c'].
""" + python_file_line

test.run(arguments='.', stderr=expect_stderr, status = 2)

### Subtle mistake in Builder spec

test.write(SConstruct_path, sconstruct % '\
b2 = Builder(actoin=buildop, src_suffix=".b", suffix=".c")')

expect_stderr="""\

scons: *** Builder b2 must have an action to build ['foo.c'].
""" + python_file_line

test.run(arguments='test2', stderr=expect_stderr, status=2)

### Missing action in Builder spec

test.write(SConstruct_path, sconstruct % '\
b2 = Builder(src_suffix=".b", suffix=".c")')

expect_stderr = """\

scons: *** Builder b2 must have an action to build ['foo.c'].
""" + python_file_line

test.run(arguments='test2', stderr=expect_stderr, status = 2)


test.pass_test()
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