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"""Tests for coverage.codeunit"""
import os, sys
from coverage.codeunit import code_unit_factory
from coverage.files import FileLocator
from tests.coveragetest import CoverageTest
# pylint: disable=F0401
# Unable to import 'aa' (No module named aa)
class CodeUnitTest(CoverageTest):
"""Tests for coverage.codeunit"""
run_in_temp_dir = False
def setUp(self):
super(CodeUnitTest, self).setUp()
# Parent class saves and restores sys.path, we can just modify it.
testmods = self.nice_file(os.path.dirname(__file__), 'modules')
sys.path.append(testmods)
def test_filenames(self):
acu = code_unit_factory("aa/afile.py", FileLocator())
bcu = code_unit_factory("aa/bb/bfile.py", FileLocator())
ccu = code_unit_factory("aa/bb/cc/cfile.py", FileLocator())
self.assertEqual(acu[0].name, "aa/afile")
self.assertEqual(bcu[0].name, "aa/bb/bfile")
self.assertEqual(ccu[0].name, "aa/bb/cc/cfile")
self.assertEqual(acu[0].flat_rootname(), "aa_afile")
self.assertEqual(bcu[0].flat_rootname(), "aa_bb_bfile")
self.assertEqual(ccu[0].flat_rootname(), "aa_bb_cc_cfile")
self.assertEqual(acu[0].source(), "# afile.py\n")
self.assertEqual(bcu[0].source(), "# bfile.py\n")
self.assertEqual(ccu[0].source(), "# cfile.py\n")
def test_odd_filenames(self):
acu = code_unit_factory("aa/afile.odd.py", FileLocator())
bcu = code_unit_factory("aa/bb/bfile.odd.py", FileLocator())
b2cu = code_unit_factory("aa/bb.odd/bfile.py", FileLocator())
self.assertEqual(acu[0].name, "aa/afile.odd")
self.assertEqual(bcu[0].name, "aa/bb/bfile.odd")
self.assertEqual(b2cu[0].name, "aa/bb.odd/bfile")
self.assertEqual(acu[0].flat_rootname(), "aa_afile_odd")
self.assertEqual(bcu[0].flat_rootname(), "aa_bb_bfile_odd")
self.assertEqual(b2cu[0].flat_rootname(), "aa_bb_odd_bfile")
self.assertEqual(acu[0].source(), "# afile.odd.py\n")
self.assertEqual(bcu[0].source(), "# bfile.odd.py\n")
self.assertEqual(b2cu[0].source(), "# bfile.py\n")
def test_modules(self):
import aa, aa.bb, aa.bb.cc
cu = code_unit_factory([aa, aa.bb, aa.bb.cc], FileLocator())
self.assertEqual(cu[0].name, "aa")
self.assertEqual(cu[1].name, "aa.bb")
self.assertEqual(cu[2].name, "aa.bb.cc")
self.assertEqual(cu[0].flat_rootname(), "aa")
self.assertEqual(cu[1].flat_rootname(), "aa_bb")
self.assertEqual(cu[2].flat_rootname(), "aa_bb_cc")
self.assertEqual(cu[0].source(), "# aa\n")
self.assertEqual(cu[1].source(), "# bb\n")
self.assertEqual(cu[2].source(), "") # yes, empty
def test_module_files(self):
import aa.afile, aa.bb.bfile, aa.bb.cc.cfile
cu = code_unit_factory([aa.afile, aa.bb.bfile, aa.bb.cc.cfile],
FileLocator())
self.assertEqual(cu[0].name, "aa.afile")
self.assertEqual(cu[1].name, "aa.bb.bfile")
self.assertEqual(cu[2].name, "aa.bb.cc.cfile")
self.assertEqual(cu[0].flat_rootname(), "aa_afile")
self.assertEqual(cu[1].flat_rootname(), "aa_bb_bfile")
self.assertEqual(cu[2].flat_rootname(), "aa_bb_cc_cfile")
self.assertEqual(cu[0].source(), "# afile.py\n")
self.assertEqual(cu[1].source(), "# bfile.py\n")
self.assertEqual(cu[2].source(), "# cfile.py\n")
def test_comparison(self):
acu = code_unit_factory("aa/afile.py", FileLocator())[0]
acu2 = code_unit_factory("aa/afile.py", FileLocator())[0]
zcu = code_unit_factory("aa/zfile.py", FileLocator())[0]
bcu = code_unit_factory("aa/bb/bfile.py", FileLocator())[0]
assert acu == acu2 and acu <= acu2 and acu >= acu2
assert acu < zcu and acu <= zcu and acu != zcu
assert zcu > acu and zcu >= acu and zcu != acu
assert acu < bcu and acu <= bcu and acu != bcu
assert bcu > acu and bcu >= acu and bcu != acu
def test_egg(self):
# Test that we can get files out of eggs, and read their source files.
# The egg1 module is installed by an action in igor.py.
import egg1, egg1.egg1
# Verify that we really imported from an egg. If we did, then the
# __file__ won't be an actual file, because one of the "directories"
# in the path is actually the .egg zip file.
self.assert_doesnt_exist(egg1.__file__)
cu = code_unit_factory([egg1, egg1.egg1], FileLocator())
self.assertEqual(cu[0].source(), "")
self.assertEqual(cu[1].source().split("\n")[0],
"# My egg file!"
)
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