emacs/test
Noam Postavsky ead545824e Improve ert backtrace recording
Change ert to use the new `backtrace-frames' function instead of
collecting frames one by one with `backtrace-frame'.  Additionally,
collect frames starting from `signal' instead the somewhat arbitrary
"6 from the bottom".  Skipping 6 frames would skip the expression that
actually caused the signal that triggered the debugger.  Possibly 6
was chosen because in the case of a failed test, the triggering frame
is an `ert-fail' call, which is not so interesting.  But in case of a
test throwing an error, this drops the `error' call which is too much.

* lisp/emacs-lisp/debug.el (debugger-make-xrefs): Remove.
* lisp/emacs-lisp/ert.el (ert--make-xrefs-region): Bring in relevant
code from `debugger-make-xrefs'.
(ert--print-backtrace): Add DO-XREFS parameter, delegate to
`debugger-insert-backtrace'.
(ert--run-test-debugger): Record the backtrace frames starting from
the instigating `signal' call.
(ert-run-tests-batch): Pass nil for `ert--print-backtrace's new
DO-XREFS parameter.
(ert-results-pop-to-backtrace-for-test-at-point): Pass t as DO-XREFS
to `ert--print-backtrace' and remove call to `debugger-make-xrefs'.
* test/lisp/emacs-lisp/ert-tests.el (ert-test-record-backtrace): Check
the backtrace list instead of comparing its string representation.
Expect `signal' to be the first frame.
2017-06-29 19:37:25 -04:00
..
data Inline test module Makefile into main test Makefile 2017-06-13 20:48:15 +02:00
lisp Improve ert backtrace recording 2017-06-29 19:37:25 -04:00
manual Fix highlighting of CSS selectors with double hyphens 2017-06-11 19:32:17 +02:00
src Add command to replace buffer contents 2017-06-17 15:40:58 +02:00
ChangeLog.1 Update copyright year to 2017 2016-12-31 19:42:26 -08:00
file-organization.org Fix obsolete ‘test/automated’ references 2017-03-27 11:30:08 -07:00
Makefile.in * test/Makefile.in: Don't suppress test failure for single tests. 2017-06-17 17:45:17 -04:00
README Merge from origin/emacs-25 2017-01-01 01:10:47 -08:00

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Copyright (C) 2008-2017 Free Software Foundation, Inc.
See the end of the file for license conditions.

This directory contains files intended to test various aspects of
Emacs's functionality.  Please help add tests!

See the file file-organization.org for the details of the directory
structure and file-naming conventions.

Emacs uses ERT, Emacs Lisp Regression Testing, for testing.  See (info
"(ert)") or https://www.gnu.org/software/emacs/manual/html_node/ert/
for more information on writing and running tests.

The Makefile in this directory supports the following targets:

* make check
  Run all tests as defined in the directory.  Expensive tests are
  suppressed.  The result of the tests for <filename>.el is stored in
  <filename>.log.

* make check-maybe
  Like "make check", but run only the tests for files which have
  unresolved prerequisites.

* make check-expensive
  Like "make check", but run also the tests marked as expensive.

* make <filename>  or  make <filename>.log
  Run all tests declared in <filename>.el.  This includes expensive
  tests.  In the former case the output is shown on the terminal, in
  the latter case the output is written to <filename>.log.

ERT offers selectors, which make it possible to filter out which test
cases shall run.  The make variable $(SELECTOR) gives you a simple
mean to use your own selectors.  The ERT manual describes how
selectors are constructed, see (info "(ert)Test Selectors") or
https://www.gnu.org/software/emacs/manual/html_node/ert/Test-Selectors.html

You could use predefined selectors of the Makefile.  "make <filename>
SELECTOR='$(SELECTOR_DEFAULT)'" runs all tests for <filename>.el
except the tests tagged as expensive.

If your test file contains the tests "test-foo", "test2-foo" and
"test-foo-remote", and you want to run only the former two tests, you
could use a selector regexp: "make <filename> SELECTOR='\"foo$$\"'".


(Also, see etc/compilation.txt for compilation mode font lock tests.)


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it under the terms of the GNU General Public License as published by
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