ERT can generate JUnit test reports

* .gitignore: Add test/**/*.xml.

* admin/notes/emba: Mention JUnit test report.

* etc/NEWS: ERT can generate JUnit test reports.

* lisp/emacs-lisp/ert.el (xml-escape-string): Autoload.
(ert-write-junit-test-report)
(ert-write-junit-test-summary-report): New defuns.
(ert-run-tests-batch, ert-summarize-tests-batch-and-exit): Call them.

* test/Makefile.in (clean): Remove *.xml.

* test/README: Mention $EMACS_TEST_JUNIT_REPORT environment variable.

* test/infra/Makefile.in ($(FILE)): Generate header commentary.
(clean): Remove.

* test/infra/gitlab-ci.yml (variables): Set EMACS_TEST_JUNIT_REPORT.
(.job-template): Use it in script and after_script.
(.build-template, .gnustep-template, .filenotify-gio-template)
(.native-comp-template): Adapt rules.
(.test-template): Trigger JUnit test report.

* test/infra/test-jobs.yml: Regenerate.

1 files changed, 4 insertions, 0 deletions

diff --git a/admin/notes/emba b/admin/notes/emba
index f1b52b2cde0..2135c7a97cc 100644
--- a/admin/notes/emba
+++ b/admin/notes/emba
@@ -63,6 +63,10 @@ They can be downloaded from the server, visiting the URL
 <https://emba.gnu.org/emacs/emacs/-/pipelines>, and selecting the job
 in question.
 
+Every pipeline generates a JUnit test report for the respective test
+jobs, which can be inspected on the pipeline web page.  This test
+report counts completed ERT tests, aborted tests are not counted.
+
 * Emba configuration
 
 The emba configuration files are hosted on