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72 lines
2.1 KiB
PHP
72 lines
2.1 KiB
PHP
# Shared setup for the image-*-noflash.sh tests: each drives some mouse or
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# keyboard interaction that must not retransmit an unrelated pane's image,
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# checked by counting DCS (\033P) sequences in the client's raw output.
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. ./image-common.inc
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PATH=/bin:/usr/bin
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TERM=screen
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LC_ALL=C.UTF-8
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export TERM LC_ALL
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[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
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TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
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TMUX2="$TEST_TMUX -LtestB$$ -f/dev/null"
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# A small, distinctive 26x26-pixel SIXEL raster, used across these tests as a
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# stand-in image whose retransmission (or lack of it) is being checked for.
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SIXEL_HEADER='\033Pq"1;1;26;26#0;2;100;100;100#0!26~-!26~-!26~-!26~-!26B\033\\'
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cleanup()
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{
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$TMUX kill-server >/dev/null 2>&1
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$TMUX2 kill-server >/dev/null 2>&1
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}
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fail()
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{
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echo "$*" >&2
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cleanup
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exit 1
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}
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cleanup
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TMP=$(mktemp)
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trap "cleanup; rm -f $TMP" 0 1 15
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# start_capture SX SY - attach an outer client to the inner session and
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# start capturing its raw output into $TMP. Starts the outer session with a
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# plain shell, then begins capturing before triggering the attach - starting
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# the attach as the outer pane's initial command would mean pipe-pane only
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# starts after the attach-driven initial redraw (which sends the image) has
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# already happened, missing it.
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start_capture()
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{
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sx=$1
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sy=$2
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$TMUX2 new-session -d -x "$sx" -y "$sy" || exit 1
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OUTER=$($TMUX2 list-panes -F '#{pane_id}' | head -1)
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[ -n "$OUTER" ] || fail "No outer pane."
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$TMUX2 pipe-pane -t "$OUTER" -O "cat >$TMP" || fail "pipe-pane failed"
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$TMUX2 send-keys -t "$OUTER" -l "$TMUX attach -t inner" ||
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fail "send attach failed"
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$TMUX2 send-keys -t "$OUTER" Enter || fail "send enter failed"
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sleep 1
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}
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# Sanity check: the image reached the client at all.
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assert_image_reached()
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{
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grep -qa '"1;1;26;26' $TMP || fail "sanity: image never reached the client"
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}
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# assert_no_retransmit CONTEXT - no DCS sequence should have been sent since
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# $TMP was last cleared. Expected to fail before the fix each test guards -
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# see that test's header comment.
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assert_no_retransmit()
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{
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n=$(grep -aoE "$(printf '\033P')[0-9;]*q" $TMP | wc -l)
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[ "$n" -eq 0 ] || fail "image was retransmitted ($n times) $1"
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}
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