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"""test linking against pysam.
"""
import unittest
import os
import subprocess
import pysam
from TestUtils import LINKDIR
def check_import(statement):
try:
output = subprocess.check_output(
statement, stderr=subprocess.STDOUT, shell=True)
except subprocess.CalledProcessError as exc:
if b"ImportError" in exc.output:
raise ImportError(
"module could not be imported: {}".format(str(exc.output)))
else:
raise
def check_pass(statement):
try:
output = subprocess.check_output(
statement, stderr=subprocess.STDOUT, shell=True)
except subprocess.CalledProcessError as exc:
raise ValueError("{}: {}".format(exc, exc.output))
if b"FAILED" in output:
raise ValueError("module tests failed")
return True
@unittest.skipUnless(
os.environ.get("PYSAM_LINKING_TESTS", None),
"enable linking tests by setting PYSAM_LINKING_TESTS environment variable")
class TestLinking(unittest.TestCase):
package_name = "link_with_rpath"
def setUp(self):
self.workdir = os.path.join(LINKDIR, self.package_name)
def test_package_can_be_installed(self):
subprocess.check_output(
"cd {} && rm -rf build && python setup.py install".format(
self.workdir),
shell=True)
@unittest.skipUnless(
os.environ.get("PYSAM_LINKING_TESTS", None),
"enable linking tests by setting PYSAM_LINKING_TESTS environment variable")
class TestLinkWithRpath(TestLinking):
package_name = "link_with_rpath"
def test_package_tests_pass(self):
self.assertTrue(check_pass(
"cd {} && python test_module.py".format(os.path.join(self.workdir, "tests"))))
@unittest.skipUnless(
os.environ.get("PYSAM_LINKING_TESTS", None),
"enable linking tests by setting PYSAM_LINKING_TESTS environment variable")
class TestLinkWithoutRpath(TestLinking):
package_name = "link_without_rpath"
def test_package_tests_fail_on_import(self):
self.assertRaises(
ImportError,
check_import,
"cd {} && python test_module.py".format(os.path.join(self.workdir, "tests")))
def test_package_tests_pass_if_ld_library_path_set(self):
pysam_libraries = pysam.get_libraries()
pysam_libdirs, pysam_libs = zip(
*[os.path.split(x) for x in pysam_libraries])
pysam_libdir = pysam_libdirs[0]
self.assertTrue(check_pass(
"export LD_LIBRARY_PATH={}:$PATH && cd {} && python test_module.py".format(
pysam_libdir,
os.path.join(self.workdir, "tests"))))
if __name__ == "__main__":
unittest.main()
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