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The test of viewing 8bit messages is known-broken. The rest pass, but
for very fragile reasons. The next several commits will fix the
known-broken test and make our charset handling robust.
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Previously we did this for a single test, but some other proposed
tests ( id:1398105468-14317-3-git-send-email-amdragon@mit.edu ) show
similar breakage when switching renderers.
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The unread/read changes will use the post-command-hook. test_emacs
does not call the post-command-hook. This adds a notmuch-test-progn
which takes a list of commands as argument and executes them in turn
but runs the post-command-hook after each one.
The caller can batch operations (ie to stop post-command-hook from
being interleaved) by wrapping the batch of operations inside a progn.
We also explicitly run the post-command-hook before getting the output
from a test; this makes sense as this will be a place the user would
be seeing the information.
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This allows (and requires) the original-tags to be passed along with
the current-tags to be passed to notmuch-tag-format-tags. This allows
the tag formatting to show added and deleted tags.By default a removed
tag is displayed with strike-through in red (if strike-through is not
available, eg on a terminal, inverse video is used instead) and an
added tag is displayed underlined in green.
If the caller does not wish to use the new feature it can pass
current-tags for both arguments and, at this point, we do exactly that
in the three callers of this function.
Note, we cannot tidily allow original-tags to be optional because we would
need to distinguish nil meaning "we are not specifying original-tags"
from nil meaning there were no original-tags (an empty list).
We use this in subsequent patches to make it clear when a message was
unread when you first loaded a show buffer (previously the unread tag
could be removed before a user realised that it had been unread).
The code adds into the existing tag formatting code. The user can
specify exactly how a tag should be displayed normally, when deleted,
or when added.
Since the formatting code matches regexps a user can match all deleted
tags with a ".*" in notmuch-tag-deleted-formats. For example setting
notmuch-tag-deleted-formats to '((".*" nil)) tells notmuch not to show
deleted tags at all.
All the variables are customizable; however, more complicated cases
like changing the face depending on the type of display will require
custom lisp.
Currently this overrides notmuch-tag-deleted-formats for the tests
setting it to '((".*" nil)) so that they get removed from the display
and, thus, all tests still pass.
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In some environments (at least Hurd), process-attributes is
unimplimented and always returns nil. This ends up causing test
failures (see e.g. id:87a9ffofsc.fsf@zancas.localnet).
Historically and according to POSIX 1003.1-2001, a signal of 0 can be
used to check the validity of a pid. This seems less heinous than
parsing the output of ps(1).
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Instead of checking immediately for the watched process, delay a
minute, or in the case that process-attributes returns nil, for two
minutes. This is intended to cope with the case that
process-attributes is unimplimented, and returns always returns nil.
In this case, the watchdog check is the same as the two minute limit
imposed by timeout.
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This matches the current behavior of the buttonizer, so it passes, but
many of these cases are not what you'd want (and some of them aren't
even valid Xapian queries). The next patch will fix the handling of
these cases and update the test.
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When running emacs tests using emacs 23.1.1 the tests block (until timeout)
when emacs function (notmuch-test-wait) is called.
There is an emacs bug #2930 titled:
23.0.92; `accept-process-output' and `sleep-for' do not run sentinel
It seems this is present in emacs 23.1.
Calling list-processes after accept-process-output seems work around
this problem; in case Emacs version is 23.1 a defadvice is activated
to do just that.
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notmuch-test-wait called sleep-for in a loop to wait unconditionally 0.1
seconds while waiting for process to exit.
accept-process-output returns as soon as there is any data available
from process, so using it avoids unnecessary fixed delays.
Both of these functions run process sentinels.
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This advises the search process filter to make it process one
character at a time in order to test the pessimal case for incremental
search output parsing.
The text parser fails this test because it gets tricked into thinking
a parenthetical remark in a subject is the tag list.
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The body of the test may cause the current buffer to change. Ensure
that the output goes to the correct buffer by switching back before
inserting it.
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When using `visible-buffer-substring' to examine a buffer, the text
properties are not useful, so don't include them.
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Add a new test function to allow simpler testing of emacs
functionality.
`test_emacs_expect_t' takes one argument - a lisp expression to
evaluate. The test passes if the expression returns `t', otherwise it
fails and the output is reported to the tester.
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emacsclient --eval '(kill-emacs)' makes emacs versions 23.1
and 23.2 ask user input from running emacs. Redefining
yes-or-no-p function when kill-emacs is executed for these
emacs versions in test-lib.el avoids this test problem.
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Test that `notmuch-hello-refresh-hook' is called once when
`notmuch-hello' is called and twice when calling
`notmuch-hello-update' after that.
The tests are very similar to tests for `notmuch-hello-mode-hook'.
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Replace `notmuch-hello-mode-hook-counter' with general `hook-counter'
and `add-hook-counter' functions to allow counting calls for any hook.
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Add `notmuch-hello-mode-hook-counter' hook to count how many times
`notmuch-hello-mode-hook' was called. The counter function increments
`notmuch-hello-mode-hook-counter' variable value if it is bount,
otherwise it does nothing.
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No need for `set-frame-width' in emacs tests since it runs in
screen now.
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Before the change, every Emacs test ran in a separate Emacs
instance. Starting Emacs many times wastes considerable time and
it gets worse as the test suite grows. The patch solves this by
using a single Emacs server and emacsclient(1) to run multiple
tests. Emacs server is started on the first test_emacs call and
stopped when test_done is called. We take care not to leave
orphan Emacs processes behind when test is terminated by whatever
reason: Emacs server runs a watchdog that periodically checks
that the test is still running.
Some tests need to provide user input. Before the change, this
was done using echo(1) to Emacs stdin. This no longer works and
instead `standard-input' variable is set accordingly to make
`read' return the appropriate string.
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Before the change, the common Emacs test scheme was to print
buffer content to stdout and redirect it to a file or capture it
in a shell variable. This does not work if we switch to using
emacsclient(1) for running the tests, because you can not print
to the stdout in this case. (Actually, you can print to stdout
from Emacs server, but you can not capture the output on
emacsclient(1)).
The patch introduces new Emacs test auxiliary functions:
`test-output' and `test-visible-output'. These functions are
used to save buffer content to a file directly from Emacs. For
most tests the changes are trivial, because Emacs stdout output
was redirected to a file anyway. But some tests captured the
output in a shell variable and compare it with the expected
output using test_expect_equal. These tests are changed to use
files and test_expect_equal_file instead.
Note: even if we do not switch Emacs tests to emacsclient(1), the
patch makes tests cleaner and is an improvement.
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Move auxiliary function definition and configuration from command
line to test-lib.el.
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The patch adds test-lib.el file for Emacs tests auxiliary stuff.
Currently, it implements two functions: `visible-buffer-string'
and `visible-buffer-substring'. These are similar to standard
counterparts without "visible-" prefix but exclude invisible
text. The functions are not used anywhere at the moment but
should be useful for testing hiding/showing in the Emacs
interface.
Edited-by: Carl Worth <cworth@cworth.org> Fixed "basic" test to ignore
new test-lib.el file.
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Austin Clements
David Bremner
Mark Walters
David Bremner
Tomi Ollila
David Edmondson
Dmitry Kurochkin