def test():
"""
Exercise a fatal info 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 Informational as info
# make an info channel
channel = info(name="tests.journal.info")
# make it fatal
channel.fatal = True
# send the output to trash
channel.device = trash()
# add some metadata
channel.notes["time"] = "now"
# we asked for this to be fatal, so carefully
try:
# to inject something
channel.line("info channel:")
channel.log(" hello world!")
# this should be unreachable
assert False, "unreachable"
# if all goes well
except channel.ApplicationError:
# all good
pass
# all done
return
def test():
"""
Verify that empty log messages get handled properly
"""
# get the channel
from journal.ext.journal import Informational as info
# make an info channel
channel = info(name="tests.journal.info")
# inject an empty message
channel.log()
# all done
return
def test():
"""
Exercise adding multiple lines at once
"""
# get the channel
from journal.ext.journal import Informational as info
# and the trash can
from journal.ext.journal import Trash as trash
# make a channel
channel = info(name="test.journal.info")
# 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
# inject
channel.report(report=reptuple)
channel.report(report=replist)
channel.report(report=repgen())
# flush
channel.log()
# all done
return
def test():
"""
Exercise the simplest use case
"""
# get the trash can
from journal.ext.journal import Trash as trash
# and the channel
from journal.ext.journal import Informational as info
# make an info channel
channel = info(name="tests.journal.info")
# send the output to trash
channel.device = trash()
# inject
channel.log("hello world!")
# all done
return
def test():
"""
Verify we can suppress all channel output
"""
# get the channel
from journal.ext.journal import Informational as info
# suppress all output
info.quiet()
# make an info channel
channel = info(name="tests.journal.info")
# add some metadata
channel.notes["time"] = "now"
# inject
channel.line("info channel:")
channel.log(" hello world!")
# all done
return
def test():
"""
Send info channel output to a log file
"""
# get the channel
from journal.ext.journal import Informational as info
# send all output to a file
info.logfile("info_file.log")
# make an info channel
channel = info(name="tests.journal.info")
# add some metadata
channel.notes["time"] = "now"
# inject
channel.line("info channel:")
channel.log(" hello world!")
# all done
return
def test():
"""
Verify that repeated access to the same channel does not accumulate extraneous material
"""
# get the trash can
from journal.ext.journal import Trash as trash
# and the channel
from journal.ext.journal import Informational as info
# make an info channel
channel = info(name="tests.journal.info")
# send the output to trash
channel.device = trash()
# a few times
for _ in range(10):
# inject
channel.log("hello world!")
# all done
return
def test():
"""
Verify that the channel buffers get flushed properly after {log}
"""
# get the trash can
from journal.ext.journal import Trash as trash
# and the channel
from journal.ext.journal import Informational as info
# make an info channel
channel = info(name="tests.journal.info")
# send the output to trash
channel.device = trash()
# inject
channel.log("hello world!")
# verify that the buffer is empty after the flush
assert len(channel.page) == 0
# all done
return
def test():
"""
Sanity check: verify that the channel is accessible
"""
# get the channel
from journal.ext.journal import Informational as info
# make a channel
channel = info(name="tests.journal.info")
# verify the channel name
assert channel.name == "tests.journal.info"
# the detail should be at the default level
assert channel.detail == 1
# the page should be empty
assert list(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 the info 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 Informational as info
# make an info channel
channel = info(name="tests.journal.info")
# send the output to trash
channel.device = trash()
# add some metadata
channel.notes["time"] = "now"
# inject
channel.line("info channel:")
channel.log(" hello world!")
# all done
return