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"""Tests for files.py"""
import os, sys
from coverage.files import FileLocator, TreeMatcher, FnmatchMatcher
from coverage.files import find_python_files
from coverage.backward import set # pylint: disable-msg=W0622
sys.path.insert(0, os.path.split(__file__)[0]) # Force relative import for Py3k
from coveragetest import CoverageTest
class FileLocatorTest(CoverageTest):
"""Tests of `FileLocator`."""
def abs_path(self, p):
"""Return the absolute path for `p`."""
return os.path.join(os.getcwd(), os.path.normpath(p))
def test_simple(self):
self.make_file("hello.py")
fl = FileLocator()
self.assertEqual(fl.relative_filename("hello.py"), "hello.py")
a = self.abs_path("hello.py")
self.assertNotEqual(a, "hello.py")
self.assertEqual(fl.relative_filename(a), "hello.py")
def test_peer_directories(self):
self.make_file("sub/proj1/file1.py")
self.make_file("sub/proj2/file2.py")
a1 = self.abs_path("sub/proj1/file1.py")
a2 = self.abs_path("sub/proj2/file2.py")
d = os.path.normpath("sub/proj1")
os.chdir(d)
fl = FileLocator()
self.assertEqual(fl.relative_filename(a1), "file1.py")
self.assertEqual(fl.relative_filename(a2), a2)
class MatcherTest(CoverageTest):
"""Tests of file matchers."""
def test_tree_matcher(self):
file1 = self.make_file("sub/file1.py")
file2 = self.make_file("sub/file2.c")
file3 = self.make_file("sub2/file3.h")
file4 = self.make_file("sub3/file4.py")
file5 = self.make_file("sub3/file5.c")
fl = FileLocator()
tm = TreeMatcher([
fl.canonical_filename("sub"),
fl.canonical_filename(file4),
])
self.assertTrue(tm.match(fl.canonical_filename(file1)))
self.assertTrue(tm.match(fl.canonical_filename(file2)))
self.assertFalse(tm.match(fl.canonical_filename(file3)))
self.assertTrue(tm.match(fl.canonical_filename(file4)))
self.assertFalse(tm.match(fl.canonical_filename(file5)))
def test_fnmatch_matcher(self):
file1 = self.make_file("sub/file1.py")
file2 = self.make_file("sub/file2.c")
file3 = self.make_file("sub2/file3.h")
file4 = self.make_file("sub3/file4.py")
file5 = self.make_file("sub3/file5.c")
fl = FileLocator()
fnm = FnmatchMatcher(["*.py", "*/sub2/*"])
self.assertTrue(fnm.match(fl.canonical_filename(file1)))
self.assertFalse(fnm.match(fl.canonical_filename(file2)))
self.assertTrue(fnm.match(fl.canonical_filename(file3)))
self.assertTrue(fnm.match(fl.canonical_filename(file4)))
self.assertFalse(fnm.match(fl.canonical_filename(file5)))
class FindPythonFilesTest(CoverageTest):
"""Tests of `find_python_files`."""
def test_find_python_files(self):
self.make_file("sub/a.py")
self.make_file("sub/b.py")
self.make_file("sub/__init__.py")
self.make_file("sub/x.c") # nope: not .py
self.make_file("sub/ssub/__init__.py")
self.make_file("sub/ssub/s.py")
self.make_file("sub/lab/exp.py") # nope: no __init__.py
py_files = set(find_python_files("sub"))
self.assert_same_files(py_files, [
"sub/__init__.py", "sub/a.py", "sub/b.py",
"sub/ssub/__init__.py", "sub/ssub/s.py",
])
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