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import py, sys, ctypes, os
from rpython.tool.udir import udir
from rpython.translator.platform import CompilationError, Platform
from rpython.translator.platform import host
from rpython.translator.tool.cbuild import ExternalCompilationInfo
def test_compilationerror_repr():
# compilation error output/stdout may be large, but we don't want
# repr to create a limited version
c = CompilationError('', '*'*1000)
assert repr(c) == 'CompilationError(err="""\n\t%s""")' % ('*'*1000,)
c = CompilationError('*'*1000, '')
assert repr(c) == 'CompilationError(out="""\n\t%s""")' % ('*'*1000,)
class TestPlatform(object):
platform = host
strict_on_stderr = True
def check_res(self, res, expected='42\n'):
assert res.out == expected
if self.strict_on_stderr:
assert res.err == ''
assert res.returncode == 0
def test_simple_enough(self):
cfile = udir.join('test_simple_enough.c')
cfile.write('''
#include <stdio.h>
int main()
{
printf("42\\n");
return 0;
}
''')
executable = self.platform.compile([cfile], ExternalCompilationInfo())
res = self.platform.execute(executable)
self.check_res(res)
def test_two_files(self):
cfile = udir.join('test_two_files.c')
cfile.write('''
#include <stdio.h>
int func();
int main()
{
printf("%d\\n", func());
return 0;
}
''')
cfile2 = udir.join('implement1.c')
cfile2.write('''
int func()
{
return 42;
}
''')
executable = self.platform.compile([cfile, cfile2], ExternalCompilationInfo())
res = self.platform.execute(executable)
self.check_res(res)
def test_nice_errors(self):
cfile = udir.join('test_nice_errors.c')
cfile.write('')
try:
executable = self.platform.compile([cfile], ExternalCompilationInfo())
except CompilationError as e:
filename = cfile.dirpath().join(cfile.purebasename + '.errors')
assert filename.read('r') == e.err
else:
py.test.fail("Did not raise")
def test_use_eci(self):
tmpdir = udir.join('use_eci').ensure(dir=1)
hfile = tmpdir.join('needed.h')
hfile.write('#define SOMEHASHDEFINE 42\n')
eci = ExternalCompilationInfo(include_dirs=[tmpdir])
cfile = udir.join('use_eci_c.c')
cfile.write('''
#include <stdio.h>
#include "needed.h"
int main()
{
printf("%d\\n", SOMEHASHDEFINE);
return 0;
}
''')
executable = self.platform.compile([cfile], eci)
res = self.platform.execute(executable)
self.check_res(res)
def test_standalone_library(self):
tmpdir = udir.join('standalone_library').ensure(dir=1)
c_file = tmpdir.join('stand1.c')
c_file.write('''
#include <math.h>
#include <stdio.h>
int main()
{
printf("%f\\n", pow(2.0, 2.0));
}''')
if sys.platform != 'win32':
eci = ExternalCompilationInfo(
libraries = ['m'],
)
else:
eci = ExternalCompilationInfo()
executable = self.platform.compile([c_file], eci)
res = self.platform.execute(executable)
assert res.out.startswith('4.0')
def test_environment_inheritance(self):
# make sure that environment is inherited
cmd = 'import os; print os.environ["_SOME_VARIABLE_%d"]'
env = {'_SOME_VARIABLE_1':'xyz'}
env['PATH'] = os.environ['PATH']
res = self.platform.execute(sys.executable, ['-c', cmd % 1],
env=env)
assert 'xyz' in res.out
os.environ['_SOME_VARIABLE_2'] = 'zyz'
try:
res = self.platform.execute('python', ['-c', cmd % 2])
assert 'zyz' in res.out
finally:
del os.environ['_SOME_VARIABLE_2']
def test_key(self):
class XPlatform(Platform):
relevant_environ = ['CPATH']
def __init__(self):
self.cc = 'xcc'
x = XPlatform()
res = x.key()
assert res.startswith("XPlatform cc='xcc' CPATH=")
def test_equality():
class X(Platform):
def __init__(self):
pass
class Y(Platform):
def __init__(self, x):
self.x = x
assert X() == X()
assert Y(3) == Y(3)
assert Y(2) != Y(3)
def test_is_host_build():
from platform import machine
from rpython.translator import platform
assert platform.host == platform.platform
assert platform.is_host_build()
# do we support non-host builds?
if machine().startswith('arm'):
platform.set_platform('arm', None)
assert platform.host != platform.platform
assert not platform.is_host_build()
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