Test resurrect save feature

tests/fixtures/save_file.txt

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+pane	blue	0	:vim	0	: 	0	:/tmp	1	vim	:vim foo.txt
+pane	blue	1	:man	0	:-	0	:/tmp	0	bash	:
+pane	blue	1	:man	0	:-	1	:/usr/share/man	1	man	:man echo
+pane	blue	2	:bash	1	:*	0	:/tmp	1	bash	:
+pane	red	0	:bash	0	: 	0	:/tmp	1	bash	:
+pane	red	1	:bash	0	:-	0	:/tmp	0	bash	:
+pane	red	1	:bash	0	:-	1	:/tmp	0	bash	:
+pane	red	1	:bash	0	:-	2	:/tmp	1	bash	:
+pane	red	2	:bash	1	:*	0	:/tmp	0	bash	:
+pane	red	2	:bash	1	:*	1	:/tmp	1	bash	:
+pane	yellow	0	:bash	1	:*	0	:/tmp/bar	1	bash	:
+window	blue	0	0	: 	cea3,200x49,0,0,6
+window	blue	1	0	:-	1795,200x49,0,0{100x49,0,0,7,99x49,101,0,8}
+window	blue	2	1	:*	cea6,200x49,0,0,9
+window	red	0	0	: 	ce9d,200x49,0,0,0
+window	red	1	0	:-	9296,200x49,0,0[200x24,0,0,1,200x24,0,25{100x24,0,25,2,99x24,101,25,3}]
+window	red	2	1	:*	3d66,200x49,0,0[200x24,0,0,4,200x24,0,25,5]
+window	yellow	0	1	:*	677f,200x49,0,0,10
+state	yellow	blue

tests/helpers/create_and_save_tmux_test_environment.exp

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+#!/usr/bin/env expect
+
+source "./tests/helpers/expect_helpers.exp"
+
+expect_setup
+
+spawn tmux
+# delay with sleep to compensate for tmux starting time
+sleep 1
+
+run_shell_command "cd /tmp"
+
+# session red
+rename_current_session "red"
+
+new_tmux_window
+horizontal_split
+vertical_split
+
+new_tmux_window
+horizontal_split
+
+# session blue
+new_tmux_session "blue"
+
+run_shell_command "touch foo.txt"
+run_shell_command "vim foo.txt"
+
+new_tmux_window
+vertical_split
+run_shell_command "man echo"
+
+new_tmux_window
+
+# session yellow
+new_tmux_session "yellow"
+run_shell_command "mkdir bar"
+run_shell_command "cd bar"
+
+start_resurrect_save
+
+run_shell_command "tmux kill-server"

tests/helpers/expect_helpers.exp

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+# a set of expect helpers
+
+# basic setup for each script
+proc expect_setup {} {
+  # disables script output
+  log_user 0
+  # standard timeout
+  set timeout 5
+}
+
+proc new_tmux_window {} {
+  send "c"
+  send "cd /tmp\r"
+  sleep 0.2
+}
+
+proc rename_current_session {name} {
+  send "$"
+  # delete existing name with ctrl-u
+  send ""
+  send "$name\r"
+  sleep 0.2
+}
+
+proc new_tmux_session {name} {
+  send "TMUX='' tmux new -d -s $name\r"
+  sleep 1
+  send "tmux switch-client -t $name\r"
+  send "cd /tmp\r"
+  sleep 0.5
+}
+
+proc horizontal_split {} {
+  send "\""
+  sleep 0.2
+  send "cd /tmp\r"
+  sleep 0.1
+}
+
+proc vertical_split {} {
+  send "%"
+  sleep 0.2
+  send "cd /tmp\r"
+  sleep 0.1
+}
+
+proc run_shell_command {command} {
+  send "$command\r"
+  sleep 1
+}
+
+proc start_resurrect_save {} {
+  send ""
+  sleep 5
+}

tests/helpers/resurrect_helpers.sh

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+install_tmux_resurrect_helper() {
+	rm -rf ~/.tmux/plugins/tmux-resurrect/
+	cd "$CURRENT_DIR"
+	git clone --recursive ../ ~/.tmux/plugins/tmux-resurrect/ >/dev/null 2>&1
+	cd - >/dev/null
+}
+
+# we want "fixed" dimensions no matter the size of real display
+set_screen_dimensions() {
+	stty cols 200
+	stty rows 50
+}

tests/test_resurrect_save.sh

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+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source $CURRENT_DIR/helpers/helpers.sh
+source $CURRENT_DIR/helpers/resurrect_helpers.sh
+
+create_tmux_test_environment_and_save() {
+	set_tmux_conf_helper<<-HERE
+	run-shell '~/.tmux/plugins/tmux-resurrect/resurrect.tmux'
+	HERE
+
+	set_screen_dimensions
+	$CURRENT_DIR/helpers/create_and_save_tmux_test_environment.exp
+}
+
+last_save_file_incorrect() {
+	diff tests/fixtures/save_file.txt "${HOME}/.tmux/resurrect/last"
+	[ $? -ne 0 ]
+}
+
+main() {
+	install_tmux_resurrect_helper
+	create_tmux_test_environment_and_save
+	if last_save_file_incorrect; then
+		fail_helper "Saved file not correct"
+		exit_helper
+	fi
+	exit_helper
+}
+main