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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
"""Tests for FileReporters"""
import os
import sys
from coverage.plugin import FileReporter
from coverage.python import PythonFileReporter
from tests.coveragetest import CoverageTest
# pylint: disable=import-error
# Unable to import 'aa' (No module named aa)
def native(filename):
"""Make `filename` into a native form."""
return filename.replace("/", os.sep)
class FileReporterTest(CoverageTest):
"""Tests for FileReporter classes."""
run_in_temp_dir = False
def setUp(self):
super(FileReporterTest, 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 = PythonFileReporter("aa/afile.py")
bcu = PythonFileReporter("aa/bb/bfile.py")
ccu = PythonFileReporter("aa/bb/cc/cfile.py")
self.assertEqual(acu.relative_filename(), "aa/afile.py")
self.assertEqual(bcu.relative_filename(), "aa/bb/bfile.py")
self.assertEqual(ccu.relative_filename(), "aa/bb/cc/cfile.py")
self.assertEqual(acu.source(), "# afile.py\n")
self.assertEqual(bcu.source(), "# bfile.py\n")
self.assertEqual(ccu.source(), "# cfile.py\n")
def test_odd_filenames(self):
acu = PythonFileReporter("aa/afile.odd.py")
bcu = PythonFileReporter("aa/bb/bfile.odd.py")
b2cu = PythonFileReporter("aa/bb.odd/bfile.py")
self.assertEqual(acu.relative_filename(), "aa/afile.odd.py")
self.assertEqual(bcu.relative_filename(), "aa/bb/bfile.odd.py")
self.assertEqual(b2cu.relative_filename(), "aa/bb.odd/bfile.py")
self.assertEqual(acu.source(), "# afile.odd.py\n")
self.assertEqual(bcu.source(), "# bfile.odd.py\n")
self.assertEqual(b2cu.source(), "# bfile.py\n")
def test_modules(self):
import aa
import aa.bb
import aa.bb.cc
acu = PythonFileReporter(aa)
bcu = PythonFileReporter(aa.bb)
ccu = PythonFileReporter(aa.bb.cc)
self.assertEqual(acu.relative_filename(), native("aa.py"))
self.assertEqual(bcu.relative_filename(), native("aa/bb.py"))
self.assertEqual(ccu.relative_filename(), native("aa/bb/cc.py"))
self.assertEqual(acu.source(), "# aa\n")
self.assertEqual(bcu.source(), "# bb\n")
self.assertEqual(ccu.source(), "") # yes, empty
def test_module_files(self):
import aa.afile
import aa.bb.bfile
import aa.bb.cc.cfile
acu = PythonFileReporter(aa.afile)
bcu = PythonFileReporter(aa.bb.bfile)
ccu = PythonFileReporter(aa.bb.cc.cfile)
self.assertEqual(acu.relative_filename(), native("aa/afile.py"))
self.assertEqual(bcu.relative_filename(), native("aa/bb/bfile.py"))
self.assertEqual(ccu.relative_filename(), native("aa/bb/cc/cfile.py"))
self.assertEqual(acu.source(), "# afile.py\n")
self.assertEqual(bcu.source(), "# bfile.py\n")
self.assertEqual(ccu.source(), "# cfile.py\n")
def test_comparison(self):
acu = FileReporter("aa/afile.py")
acu2 = FileReporter("aa/afile.py")
zcu = FileReporter("aa/zfile.py")
bcu = FileReporter("aa/bb/bfile.py")
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
import 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__)
ecu = PythonFileReporter(egg1)
eecu = PythonFileReporter(egg1.egg1)
self.assertEqual(ecu.source(), u"")
self.assertIn(u"# My egg file!", eecu.source().splitlines())
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