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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 config file support."""
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")
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