def test():
"""
Exercise a fatal warning channel with a realistic example
"""
# get the trash can
from journal.Trash import Trash as trash
# and the channel
from journal.Warning import Warning as warning
# make a warning channel
channel = warning(name="tests.journal.warning")
# 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:
# inject something
channel.line("warning 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 te channel state
"""
# get the channel
from journal.Warning import Warning as warning
# make a channel
channel = warning(name="tests.journal.warning")
# verify the channel name
assert channel.name == "tests.journal.warning"
# the detail should be at the default level
assert channel.detail == 1
# the channel should be active
assert channel.active is True
# and non-fatal
assert channel.fatal is False
# the page should be empty
assert 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():
"""
Verify that empty log messages get handled properly
"""
# get the channel
from journal.Warning import Warning as warning
# make a warning channel
channel = warning(name="tests.journal.warning")
# inject an empty message
channel.log()
# all done
return
def test():
"""
Exercise the simplest use case
"""
# get the trash can
from journal.Trash import Trash as trash
# and the channel
from journal.Warning import Warning as warning
# make a warning channel
channel = warning(name="tests.journal.warning")
# send the output to trash
channel.device = trash()
# inject
channel.log("hello world!")
# all done
return
def test():
"""
Suppress all warnings
"""
# get the channel
from journal.Warning import Warning as warning
# suppress the output
warning.quiet()
# make a warning channel
channel = warning(name="tests.journal.warning")
# add some metadata
channel.notes["time"] = "now"
# inject
channel.line("warning channel:")
channel.log(" hello world!")
# all done
return
def test():
"""
Send all channel output to a log file
"""
# get the channel
from journal.Warning import Warning as warning
# send the output to a log file
warning.logfile("warning_file.log")
# make a warning channel
channel = warning(name="tests.journal.warning")
# add some metadata
channel.notes["time"] = "now"
# inject
channel.line("warning 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.Trash import Trash as trash
# and the channel
from journal.Warning import Warning as warning
# make a warning channel
channel = warning(name="tests.journal.warning")
# 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.Trash import Trash as trash
# and the channel
from journal.Warning import Warning as warning
# make a warning channel
channel = warning(name="tests.journal.warning")
# 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():
"""
Exercise the warning channel with a realistic example
"""
# get the trash can
from journal.Trash import Trash as trash
# and the channel
from journal.Warning import Warning as warning
# make a warning channel
channel = warning(name="tests.journal.warning")
# send the output to trash
channel.device = trash()
# add some metadata
channel.notes["time"] = "now"
# inject
channel.line("warning channel:")
channel.log(" hello world!")
# all done
return
def test():
"""
Verify that the renderer can trim long file names correctly
"""
# get the renderer
from journal.Alert import Alert as alert
# the color spaces
from journal.ANSI import ANSI
# and a channel
from journal.Warning import Warning as warning
# make a channel
channel = warning(name="tests.journal.debug")
# add a fake stack trace
channel.notes["filename"] = "a_" + ("very_" * 60) + "long_filename"
channel.notes["line"] = "30"
channel.notes["function"] = "test"
# inject
channel.line("warning channel:")
channel.line(" hello from a very long file name")
# make a palette
palette = {
"reset": ANSI.x11("normal"),
"channel": ANSI.x11("light slate gray"),
"warning": ANSI.x11("orange"),
"body": "",
}
# instantiate the renderer
renderer = alert()
# ask it to do its thing
page = '\n'.join(renderer.render(palette=palette, entry=channel.entry))
# show me
# print(page)
# all done
return