[PATCH 1/6] test: run emacs inside screen

Dmitry Kurochkin dmitry.kurochkin at gmail.com
Wed Jun 29 12:42:33 PDT 2011


Before the change, emacs run in daemon mode without any visible
buffers.  Turns out that this affects emacs behavior in some
cases.  In particular, `window-end' function returns `point-max'
instead of the last visible position.  That makes it hard or
impossible to implement some tests.  The patch runs emacs in a
detached screen(1) session.  So that it works exactly as if it
has a visible window.

Note: screen terminates when emacs exits.  So the patch does not
introduce new "running processes left behind" issues.
---
 test/test-lib.sh |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/test/test-lib.sh b/test/test-lib.sh
index 079d7db..8d7c98d 100755
--- a/test/test-lib.sh
+++ b/test/test-lib.sh
@@ -873,10 +873,16 @@ EOF
 test_emacs () {
 	if [ -z "$EMACS_SERVER" ]; then
 		EMACS_SERVER="notmuch-test-suite-$$"
-		"$TMP_DIRECTORY/run_emacs" \
-			--daemon \
+		# start a detached screen session with an emacs server
+		screen -S "$EMACS_SERVER" -d -m "$TMP_DIRECTORY/run_emacs" \
+			--no-window-system \
 			--eval "(setq server-name \"$EMACS_SERVER\")" \
+			--eval '(server-start)' \
 			--eval "(orphan-watchdog $$)" || return
+		# wait until the emacs server is up
+		until test_emacs '()'; do
+			sleep 1
+		done
 	fi
 
 	emacsclient --socket-name="$EMACS_SERVER" --eval "(progn $@)"
-- 
1.7.5.4



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