Add zsh functional tests

tests/install.sh

@@ -9,4 +9,5 @@ if python -c 'import sys; sys.exit(1 * (sys.version_info[0] != 2))' ; then
 		pip install unittest2 argparse
 	fi
 fi
+apt-get install zsh
 true

tests/test_shells/input.zsh

@@ -0,0 +1,14 @@
+unsetopt promptsp transientrprompt
+POWERLINE_COMMAND=( $PWD/scripts/powerline -p $PWD/powerline/config_files ) ; VIRTUAL_ENV=
+source powerline/bindings/zsh/powerline.zsh ; cd tests/shell/3rd
+POWERLINE_COMMAND=( $POWERLINE_COMMAND -c ext.shell.theme=default_leftonly )
+cd .git
+cd ..
+VIRTUAL_ENV="$HOME/.virtenvs/some-virtual-environment"
+VIRTUAL_ENV=
+bash -c "echo \$\$>pid ; while true ; do sleep 0.1s ; done" &
+false
+kill `cat pid` ; sleep 1s
+false
+POWERLINE_COMMAND=( $POWERLINE_COMMAND -t default_leftonly.segment_data.hostname.args.only_if_ssh=false )
+exit

tests/test_shells/test.sh

@@ -15,7 +15,7 @@ run_test() {
 	SH="$1"
 	SESNAME="powerline-shell-test-$$"
 	screen -L -c tests/test_shells/screenrc -d -m -S "$SESNAME" \
-		env LANG=C BINDFILE="$BINDFILE" "$@"
+		env LANG=en_US.UTF-8 BINDFILE="$BINDFILE" "$@"
 	screen -S "$SESNAME" -X readreg a tests/test_shells/input.$SH
 	sleep 5s
 	screen -S "$SESNAME" -p 0 -X width 300 1
@@ -44,5 +44,11 @@ if ! run_test bash --norc --noprofile -i ; then
 fi
 rm tests/shell/screen.log
 
+if ! run_test zsh -f -i ; then
+	echo "Failed zsh"
+	FAILED=1
+fi
+rm tests/shell/screen.log
+
 rm -r tests/shell
 exit $FAILED