#!/usr/bin/expect

set timeout 5
set env(NO_COLOR) 1

source  "$env(BATS_CWD)/helper/common_expect_functions.tcl"

spawn dolt sql

expect_with_defaults                                                   {dolt-repo-.*>} { send "\\diff HEAD HEAD~1 --system\r"; }

expect_with_defaults                                                   {dolt-repo-.*>} { send "show tables;\r"; }

expect {
    -re {dolt_log} {
        puts "\diff did not preserve existing session variable @@dolt_show_system_tables"
        exit 1
    }
}

expect_with_defaults                                                   {dolt-repo-.*>}   { send "SET @@dolt_show_system_tables = 1;\r"; }

expect_with_defaults                                                   {dolt-repo-.*>} { send "\\diff HEAD HEAD~1 \r"; }

expect_with_defaults                                                   {dolt-repo-.*>} { send "show tables;\r"; }

expect_with_defaults_2 {dolt_log}                                      {dolt-repo-.*>}   { send "quit;\r"; }

expect eof
exit