Add functional tests for lemonbar bindings

tests/common.sh

@@ -18,7 +18,9 @@ exit_suite() {
 		echo "${FAIL_SUMMARY}"
 	fi
 	export POWERLINE_CURRENT_SUITE="${POWERLINE_CURRENT_SUITE%/*}"
-	exit $FAILED
+	if test "x$1" != "x--continue" ; then
+		exit $FAILED
+	fi
 }
 
 fail() {

tests/run_bar_tests.sh

@@ -0,0 +1,194 @@
+#!/bin/sh
+. tests/common.sh
+
+enter_suite bar
+
+TEST_ROOT="$ROOT/tests/bar"
+TEST_PATH="$TEST_ROOT/path"
+TEST_STATIC_ROOT="$ROOT/tests/test_bar"
+
+test -d "$TEST_ROOT" && rm -r "$TEST_ROOT"
+mkdir "$TEST_ROOT"
+cp -r "$TEST_STATIC_ROOT/path" "$TEST_ROOT"
+cp -r "$TEST_STATIC_ROOT/powerline" "$TEST_ROOT"
+
+export PYTHONPATH="$ROOT${PYTHONPATH:+:}$PYTHONPATH"
+
+ln -s "$(which "${PYTHON}")" "$TEST_PATH"/python
+ln -s "$(which sed)" "$TEST_PATH"
+ln -s "$(which cat)" "$TEST_PATH"
+ln -s "$(which mkdir)" "$TEST_PATH"
+ln -s "$(which basename)" "$TEST_PATH"
+ln -s "$TEST_PATH/lemonbar" "$TEST_PATH/bar-aint-recursive"
+
+DEPRECATED_SCRIPT="$ROOT/powerline/bindings/bar/powerline-bar.py"
+
+run() {
+	env -i \
+		LANG=C \
+		PATH="$TEST_PATH" \
+		XDG_CONFIG_HOME="$TEST_ROOT" \
+		XDG_CONFIG_DIRS="$TEST_ROOT/dummy" \
+		PYTHONPATH="$PYTHONPATH" \
+		TEST_ROOT="$TEST_ROOT" \
+		LD_LIBRARY_PATH="$LD_LIBRARY_PATH" \
+		"$@" || true
+}
+
+display_log() {
+	local log_file="$1"
+	echo "$log_file:"
+	echo '============================================================'
+	cat -v "$log_file"
+	echo
+	echo '____________________________________________________________'
+}
+
+check_log() {
+	local log_file="$1"
+	local text="$2"
+	local warns="$3"
+	if test "$warns" = "warns" ; then
+		local warning="$(head -n1 "$log_file" | sed 's/.*://')"
+		local expwarning="The 'bar' bindings are deprecated, please switch to 'lemonbar'"
+		if test "x$warning" != "x$expwarning" ; then
+			echo "Got: $warning"
+			echo "Exp: $expwarning"
+			fail "warn" F "Expected warning"
+		fi
+		sed -r -i -e '1d' "$log_file"
+	fi
+	local line="$(head -n1 "$log_file")"
+	local linenum="$(cat "$log_file" | wc -l)"
+	if test $linenum -lt 5 ; then
+		fail "log:lt" F "Script was run not enough times"
+		return 1
+	elif test $linenum -gt 15 ; then
+		fail "log:gt" E "Script was run too many times"
+		return 1
+	fi
+	local expline="%{l}%{F#ffd0d0d0}%{B#ff303030} $text-left %{F-B--u}%{F#ff303030} %{F-B--u}%{r}%{F#ff303030} %{F-B--u}%{F#ffd0d0d0}%{B#ff303030} $text-right %{F-B--u}"
+	if test "x$expline" != "x$line" ; then
+		echo "Line:     '$line'"
+		echo "Expected: '$expline'"
+		fail "log:line" F "Unexpected line"
+		return 1
+	fi
+	local ret=0
+	while test $linenum -gt 0 ; do
+		echo "$line" >> "$TEST_ROOT/ok"
+		linenum=$(( linenum - 1 ))
+	done
+	if ! diff "$TEST_ROOT/ok" "$log_file" ; then
+		fail "log:diff" F "Unexpected output"
+		ret=1
+	fi
+	rm "$TEST_ROOT/ok"
+	return $ret
+}
+
+killscript() {
+	kill -KILL $1 || true
+}
+
+if ! test -e "$DEPRECATED_SCRIPT" ; then
+	# TODO: uncomment when skip is available
+	# skip "deprecated" "Missing deprecated bar bindings script"
+	:
+else
+	enter_suite "deprecated"
+	run python "$DEPRECATED_SCRIPT" $args > "$TEST_ROOT/deprecated.log" 2>&1 &
+	SPID=$!
+	sleep 5
+	killscript $SPID
+	if ! check_log "$TEST_ROOT/deprecated.log" "default" warns ; then
+		display_log "$TEST_ROOT/deprecated.log"
+		fail "log" F "Checking log failed"
+	fi
+	rm "$TEST_ROOT/deprecated.log"
+	exit_suite --continue
+fi
+
+LEMONBAR_SCRIPT="$ROOT/powerline/bindings/lemonbar/powerline-lemonbar.py"
+
+if ! test -e "$LEMONBAR_SCRIPT" ; then
+	# TODO: uncomment when skip is available
+	# skip "lemonbar" "Missing lemonbar bindings script"
+	:
+else
+	enter_suite "lemonbar"
+	for args in "" "-i0.5" "--interval=0.5" "-- test args" "-c bar-aint-recursive" "--height=10"; do
+		rm -rf "$TEST_ROOT/results"
+		run python "$LEMONBAR_SCRIPT" $args > "$TEST_ROOT/lemonbar.log" 2>&1 &
+		SPID=$!
+		sleep 5
+		killscript $SPID
+		sleep 0.5
+		enter_suite "args($args)"
+		fnum=0
+		for file in "$TEST_ROOT/results"/*.log ; do
+			if ! test -e "$file" ; then
+				fail "log" E "Log file is missing"
+				break
+			fi
+			fnum=$(( fnum + 1 ))
+			args_file="${file%.log}.args"
+			if ! test -e "$args_file" ; then
+				fail "args" E "$args_file is missing"
+			else
+				cat "$args_file" >> "$TEST_ROOT/args.log"
+			fi
+			text="dvi"
+			if cat "$args_file" | grep -q +1 ; then
+				text="default"
+			fi
+			if ! check_log "$file" "$text" ; then
+				display_log "$file"
+				fail "log" F "Checking log failed"
+			fi
+			rm "$file"
+		done
+		if test "$fnum" -ne 2 ; then
+			fail "fnum" F "Expected two output files"
+		fi
+		if test "x${args#--height}" != "x$args" ; then
+			height="${args#--height}"
+			height="${height# }"
+			height="${height#=}"
+			height="${height%% *}"
+		fi
+		command="lemonbar"
+		if test "x${args#-c}" != "x$args" ; then
+			command="${args#-c}"
+			command="${command# }"
+			command="${command#=}"
+			command="${command%% *}"
+		fi
+		received_args="$(cat "$TEST_ROOT/args.log" | sort)"
+		rm "$TEST_ROOT/args.log"
+		script_args="${args#*-- }"
+		script_args="${script_args# }"
+		if test "x${script_args}" '=' "x$args" ; then
+			script_args=
+		fi
+		expected_args="$command -g 1920x$height+0${script_args:+ }$script_args${NL}$command -g 1920x$height+1${script_args:+ }$script_args"
+		if test "x$expected_args" != "x$received_args" ; then
+			echo "args:${NL}<$received_args>"
+			echo "expected:${NL}<$expected_args>"
+			fail "args" F "Expected different args"
+		fi
+		if ! test -z "$(cat "$TEST_ROOT/lemonbar.log")" ; then
+			display_log "$TEST_ROOT/lemonbar.log"
+			fail "stderr" E "Unexpected script output"
+		fi
+		rm "$TEST_ROOT/lemonbar.log"
+		exit_suite --continue
+	done
+	exit_suite --continue
+fi
+
+if test $FAILED -eq 0 ; then
+	rm -r "$TEST_ROOT"
+fi
+
+exit_suite

tests/test_bar/path/lemonbar

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+RES_DIR="$TEST_ROOT/results"
+mkdir -p "$RES_DIR"
+RES_FILE="$RES_DIR/$$"
+while test -e "$RES_FILE.log" ; do
+	RES_FILE="$RES_FILE.${RANDOM:-`date +%N | sed s/^0*//`}"
+done
+
+echo $(basename $0) "$@" > "$RES_FILE.args"
+cat > "$RES_FILE.log"

tests/test_bar/path/xrandr

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+cat << EOF
+Screen 0: minimum 8 x 8, current 1920 x 1200, maximum 16384 x 16384
+DVI-I-0 disconnected (normal left inverted right x axis y axis)
+VGA-0 connected 1920x1200+1+0 (normal left inverted right x axis y axis) 520mm x 330mm
+   1920x1200     59.95*+
+   1920x1080     60.00  
+   1680x1050     59.95  
+   1600x1200     60.00  
+   1440x900      59.89  
+   1280x1024     75.02    60.02  
+   1280x800      59.81  
+   1152x864      75.00  
+   1024x768      75.03    60.00  
+   800x600       75.00    60.32  
+   640x480       75.00    59.94  
+DVI-I-1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 520mm x 330mm
+   1920x1200     59.95*+
+   1920x1080     60.00  
+   1680x1050     59.95  
+   1600x1200     60.00  
+   1440x900      59.89  
+   1280x1024     75.02    60.02  
+   1280x800      59.81  
+   1152x864      75.00  
+   1024x768      75.03    60.00  
+   800x600       75.00    60.32  
+   640x480       75.00    59.94  
+HDMI-0 disconnected (normal left inverted right x axis y axis)
+EOF

tests/test_bar/powerline/config.json

@@ -0,0 +1,9 @@
+{
+	"ext": {
+		"wm": {
+			"local_themes": {
+				"DVI-I-1": "dvi"
+			}
+		}
+	}
+}

tests/test_bar/powerline/themes/wm/__main__.json

@@ -0,0 +1,10 @@
+{
+	"segment_data": {
+		"time": {
+			"display": false
+		},
+		"powerline.segments.common.time.date": {
+			"display": false
+		}
+	}
+}

tests/test_bar/powerline/themes/wm/default.json

@@ -0,0 +1,18 @@
+{
+	"segments": {
+		"left": [
+			{
+				"type": "string",
+				"highlight_groups": ["time"],
+				"contents": "default-left"
+			}
+		],
+		"right": [
+			{
+				"type": "string",
+				"highlight_groups": ["time"],
+				"contents": "default-right"
+			}
+		]
+	}
+}

tests/test_bar/powerline/themes/wm/dvi.json

@@ -0,0 +1,18 @@
+{
+	"segments": {
+		"left": [
+			{
+				"type": "string",
+				"highlight_groups": ["time"],
+				"contents": "dvi-left"
+			}
+		],
+		"right": [
+			{
+				"type": "string",
+				"highlight_groups": ["time"],
+				"contents": "dvi-right"
+			}
+		]
+	}
+}