cpython/Lib/test/test_cfgparser.py

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import ConfigParser
import StringIO
from test_support import TestFailed, verify
def basic(src):
print "Testing basic accessors..."
cf = ConfigParser.ConfigParser()
sio = StringIO.StringIO(src)
cf.readfp(sio)
L = cf.sections()
L.sort()
verify(L == ['Commented Bar', 'Foo Bar',
'Internationalized Stuff', 'Spacey Bar'],
"unexpected list of section names")
# The use of spaces in the section names serves as a regression test for
# SourceForge bug #115357.
# http://sourceforge.net/bugs/?func=detailbug&group_id=5470&bug_id=115357
verify(cf.get('Foo Bar', 'foo', raw=1) == 'bar')
verify(cf.get('Spacey Bar', 'foo', raw=1) == 'bar')
verify(cf.get('Commented Bar', 'foo', raw=1) == 'bar')
verify('__name__' not in cf.options("Foo Bar"),
'__name__ "option" should not be exposed by the API!')
# Make sure the right things happen for remove_option();
# added to include check for SourceForge bug #123324:
verify(cf.remove_option('Foo Bar', 'foo'),
"remove_option() failed to report existance of option")
verify(not cf.has_option('Foo Bar', 'foo'),
"remove_option() failed to remove option")
verify(not cf.remove_option('Foo Bar', 'foo'),
"remove_option() failed to report non-existance of option"
" that was removed")
try:
cf.remove_option('No Such Section', 'foo')
except ConfigParser.NoSectionError:
pass
else:
raise TestFailed(
"remove_option() failed to report non-existance of option"
" that never existed")
def interpolation(src):
print "Testing value interpolation..."
cf = ConfigParser.ConfigParser({"getname": "%(__name__)s"})
sio = StringIO.StringIO(src)
cf.readfp(sio)
verify(cf.get("Foo", "getname") == "Foo")
verify(cf.get("Foo", "bar") == "something with interpolation (1 step)")
verify(cf.get("Foo", "bar9")
== "something with lots of interpolation (9 steps)")
verify(cf.get("Foo", "bar10")
== "something with lots of interpolation (10 steps)")
expect_get_error(cf, ConfigParser.InterpolationDepthError, "Foo", "bar11")
def parse_errors():
print "Testing parse errors..."
expect_parse_error(ConfigParser.ParsingError,
"""[Foo]\n extra-spaces: splat\n""")
expect_parse_error(ConfigParser.ParsingError,
"""[Foo]\n extra-spaces= splat\n""")
expect_parse_error(ConfigParser.ParsingError,
"""[Foo]\noption-without-value\n""")
expect_parse_error(ConfigParser.ParsingError,
"""[Foo]\n:value-without-option-name\n""")
expect_parse_error(ConfigParser.ParsingError,
"""[Foo]\n=value-without-option-name\n""")
expect_parse_error(ConfigParser.MissingSectionHeaderError,
"""No Section!\n""")
def query_errors():
print "Testing query interface..."
cf = ConfigParser.ConfigParser()
verify(cf.sections() == [],
"new ConfigParser should have no defined sections")
verify(not cf.has_section("Foo"),
"new ConfigParser should have no acknowledged sections")
try:
cf.options("Foo")
except ConfigParser.NoSectionError, e:
pass
else:
raise TestFailed(
"Failed to catch expected NoSectionError from options()")
try:
cf.set("foo", "bar", "value")
except ConfigParser.NoSectionError, e:
pass
else:
raise TestFailed("Failed to catch expected NoSectionError from set()")
expect_get_error(cf, ConfigParser.NoSectionError, "foo", "bar")
cf.add_section("foo")
expect_get_error(cf, ConfigParser.NoOptionError, "foo", "bar")
def weird_errors():
print "Testing miscellaneous error conditions..."
cf = ConfigParser.ConfigParser()
cf.add_section("Foo")
try:
cf.add_section("Foo")
except ConfigParser.DuplicateSectionError, e:
pass
else:
raise TestFailed("Failed to catch expected DuplicateSectionError")
def expect_get_error(cf, exctype, section, option, raw=0):
try:
cf.get(section, option, raw=raw)
except exctype, e:
pass
else:
raise TestFailed("Failed to catch expected " + exctype.__name__)
def expect_parse_error(exctype, src):
cf = ConfigParser.ConfigParser()
sio = StringIO.StringIO(src)
try:
cf.readfp(sio)
except exctype, e:
pass
else:
raise TestFailed("Failed to catch expected " + exctype.__name__)
basic(r"""
[Foo Bar]
foo=bar
[Spacey Bar]
foo = bar
[Commented Bar]
foo: bar ; comment
[Internationalized Stuff]
foo[bg]: Bulgarian
foo=Default
foo[en]=English
foo[de]=Deutsch
""")
interpolation(r"""
[Foo]
bar=something %(with1)s interpolation (1 step)
bar9=something %(with9)s lots of interpolation (9 steps)
bar10=something %(with10)s lots of interpolation (10 steps)
bar11=something %(with11)s lots of interpolation (11 steps)
with11=%(with10)s
with10=%(with9)s
with9=%(with8)s
with8=%(with7)s
with7=%(with6)s
with6=%(with5)s
with5=%(with4)s
with4=%(with3)s
with3=%(with2)s
with2=%(with1)s
with1=with
[Mutual Recursion]
foo=%(bar)s
bar=%(foo)s
""")
parse_errors()
query_errors()
weird_errors()