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"""Test the config file handling for coverage.py"""
import os, sys
import coverage
sys.path.insert(0, os.path.split(__file__)[0]) # Force relative import for Py3k
from coveragetest import CoverageTest
class ConfigTest(CoverageTest):
"""Tests of the different sources of configuration settings."""
def test_default_config(self):
# Just constructing a coverage() object gets the right defaults.
cov = coverage.coverage()
self.assertFalse(cov.config.timid)
self.assertFalse(cov.config.branch)
self.assertEqual(cov.config.data_file, ".coverage")
def test_arguments(self):
# Arguments to the constructor are applied to the configuation.
cov = coverage.coverage(timid=True, data_file="fooey.dat")
self.assertTrue(cov.config.timid)
self.assertFalse(cov.config.branch)
self.assertEqual(cov.config.data_file, "fooey.dat")
def test_config_file(self):
# A .coveragerc file will be read into the configuration.
self.make_file(".coveragerc", """\
# This is just a bogus .rc file for testing.
[run]
timid = True
data_file = .hello_kitty.data
""")
cov = coverage.coverage()
self.assertTrue(cov.config.timid)
self.assertFalse(cov.config.branch)
self.assertEqual(cov.config.data_file, ".hello_kitty.data")
def test_named_config_file(self):
# You can name the config file what you like.
self.make_file("my_cov.ini", """\
[run]
timid = True
; I wouldn't really use this as a data file...
data_file = delete.me
""")
cov = coverage.coverage(config_file="my_cov.ini")
self.assertTrue(cov.config.timid)
self.assertFalse(cov.config.branch)
self.assertEqual(cov.config.data_file, "delete.me")
def test_ignored_config_file(self):
# You can disable reading the .coveragerc file.
self.make_file(".coveragerc", """\
[run]
timid = True
data_file = delete.me
""")
cov = coverage.coverage(config_file=False)
self.assertFalse(cov.config.timid)
self.assertFalse(cov.config.branch)
self.assertEqual(cov.config.data_file, ".coverage")
def test_config_file_then_args(self):
# The arguments override the .coveragerc file.
self.make_file(".coveragerc", """\
[run]
timid = True
data_file = weirdo.file
""")
cov = coverage.coverage(timid=False, data_file=".mycov")
self.assertFalse(cov.config.timid)
self.assertFalse(cov.config.branch)
self.assertEqual(cov.config.data_file, ".mycov")
def test_data_file_from_environment(self):
# There's an environment variable for the data_file.
self.make_file(".coveragerc", """\
[run]
timid = True
data_file = weirdo.file
""")
self.set_environ("COVERAGE_FILE", "fromenv.dat")
cov = coverage.coverage()
self.assertEqual(cov.config.data_file, "fromenv.dat")
# But the constructor args override the env var.
cov = coverage.coverage(data_file="fromarg.dat")
self.assertEqual(cov.config.data_file, "fromarg.dat")
class ConfigFileTest(CoverageTest):
"""Tests of the config file settings in particular."""
def test_config_file_settings(self):
# This sample file tries to use lots of variation of syntax...
self.make_file(".coveragerc", """\
# This is a settings file for coverage.py
[run]
timid = yes
data_file = something_or_other.dat
branch = 1
cover_pylib = TRUE
parallel = on
[report]
; these settings affect reporting.
exclude_lines =
if 0:
pragma:?\\s+no cover
another_tab
ignore_errors = TRUE
omit =
one, another, some_more,
yet_more
[html]
directory = c:\\tricky\\dir.somewhere
[xml]
output=mycov.xml
""")
cov = coverage.coverage()
self.assertTrue(cov.config.timid)
self.assertEqual(cov.config.data_file, "something_or_other.dat")
self.assertTrue(cov.config.branch)
self.assertTrue(cov.config.cover_pylib)
self.assertTrue(cov.config.parallel)
self.assertEqual(cov.get_exclude_list(),
["if 0:", "pragma:?\s+no cover", "another_tab"]
)
self.assertTrue(cov.config.ignore_errors)
self.assertEqual(cov.config.omit_prefixes,
["one", "another", "some_more", "yet_more"]
)
self.assertEqual(cov.config.html_dir, r"c:\tricky\dir.somewhere")
self.assertEqual(cov.config.xml_output, "mycov.xml")
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