def test():
"""
Send all error channel output to a log file
"""
# get the channel
from journal.ext.journal import Error as error
# send output to a log file
error.logfile("error_file.log")
# make a channel
channel = error(name="test.journal.error")
# add some metadata
channel.notes["time"] = "now"
# carefully
try:
# inject
channel.line("error:")
channel.log(" a nasty bug was detected")
# shouldn't get here
assert False, "unreachable"
# if the correct exception was raised
except channel.ApplicationError as error:
# check the description
assert str(error) == "test.journal.error: application error"
# all done
return
def test():
"""
Verify the channel initial state
"""
# access
from journal.ext.journal import Error as error
# make a channel
channel = error(name="tests.journal.error")
# verify the channel name
assert channel.name == "tests.journal.error"
# the detail should be at the default level
assert channel.detail == 1
# the channel should be active
assert channel.active is True
# and fatal
assert channel.fatal is True
# the page should be empty
assert tuple(channel.page) == ()
# verify the metadata
assert channel.notes["application"] == "journal"
assert channel.notes["channel"] == channel.name
assert channel.notes["severity"] == channel.severity
# all done
return
def test():
"""
Exercise a non-fatal error channel with a realistic example
"""
# get the trash can
from journal.ext.journal import Trash as trash
# and the channel
from journal.ext.journal import Error as error
# make an error channel
channel = error(name="tests.journal.error")
# make it non-fatal
channel.fatal = False
# send the output to trash
channel.device = trash()
# add some metadata
channel.notes["time"] = "now"
# carefully
try:
# inject
channel.line("error channel:")
channel.log(" hello world!")
# if the correct exception was raised
except channel.ApplicationError as error:
# shouldn't get here
assert False, "unreachable"
# all done
return
def test():
"""
Verify that channel buffers get reset correctly after a flush
"""
# get the channel
from journal.ext.journal import Error as error
# and the trash can
from journal.ext.journal import Trash as trash
# make a channel
channel = error(name="test.journal.error")
# send the output to trash
channel.device = trash()
# carefully
try:
# inject
channel.log("hello world!")
# shouldn't get here
assert False, "unreachable"
# if the correct exception was raised
except channel.ApplicationError as error:
# no problem
pass
# verify that the buffer is empty after the flush
assert len(channel.page) == 0
# all done
return
def test():
"""
Verify that we can suppress all output from channels
"""
# get the channel
from journal.ext.journal import Error as error
# suppress all output
error.quiet()
# make a channel
channel = error(name="test.journal.error")
# add some metadata
channel.notes["time"] = "now"
# carefully
try:
# inject
channel.line("error:")
channel.log(" a nasty bug was detected")
# shouldn't get here
assert False, "unreachable"
# if the correct exception was raised
except channel.ApplicationError as error:
# check the description
assert str(error) == "test.journal.error: application error"
# all done
return
def test():
"""
Exercise the common use case
"""
# get the channel
from journal.ext.journal import Error as error
# and the trash can
from journal.ext.journal import Trash as trash
# make a channel
channel = error(name="test.journal.error")
# send the output to trash
channel.device = trash()
# add some metadata
channel.notes["time"] = "now"
# carefully
try:
# inject
channel.line("error:")
channel.log(" a nasty bug was detected")
# shouldn't get here
assert False, "unreachable"
# if the correct exception was raised
except channel.ApplicationError as error:
# check the description
assert str(error) == "test.journal.error: application error"
# all done
return
def test():
"""
Exercise adding multiple lines at once
"""
# get the channel
from journal.ext.journal import Error as error
# and the trash can
from journal.ext.journal import Trash as trash
# make a channel
channel = error(name="test.journal.error")
# activate it
channel.activate()
# but send the output to trash
channel.device = trash()
# content in a tuple
reptuple = (
"report from tuple:",
" tuple line 1",
" tuple line 2",
)
# content in a list
replist = [
"report from list:",
" list line 1",
" list line 2",
]
# content in a generator
def repgen():
yield "report from generator:"
yield " generator line 1"
yield " generator line 2"
return
# carefully
try:
# inject
channel.report(report=reptuple)
channel.report(report=replist)
channel.report(report=repgen())
# flush
channel.log()
# shouldn't get here
assert False, "unreachable"
# if the correct exception was raised
except channel.ApplicationError as error:
# check the description
assert str(error) == "test.journal.error: application error"
# all done
return
def test():
"""
Exercise the simplest use case
"""
# get the channel
from journal.ext.journal import Error as error
# and the trash can
from journal.ext.journal import Trash as trash
# make a channel
channel = error(name="test.journal.error")
# send the output to trash
channel.device = trash()
# make the error non-fatal
channel.fatal = False
# inject
channel.log("hello world!")
# all done
return
def test():
"""
Verify that repeated use of the same channel instance works correctly
"""
# get the channel
from journal.ext.journal import Error as error
# and the trash can
from journal.ext.journal import Trash as trash
# make a channel
channel = error(name="test.journal.error")
# make it non-fatal
channel.fatal = False
# send the output to trash
channel.device = trash()
# a few times
for _ in range(10):
# inject
channel.log("hello world!")
# all done
return