OpenC3/cosmos

# Stash API is useful for storing simple key/value pairs
# to preserve state between script runs
stash_set('key1', 'val1')
puts "key1: #{stash_get('key1')}"
stash_set('key2', 'val2')
puts "key2: #{stash_get('key2')}"
check_expression("'#{stash_get('key1')}' == 'val1'")
check_expression("'#{stash_get('key2')}' == 'val2'")
check_expression("'#{stash_keys().to_s}' == '[\"key1\", \"key2\"]'")
stash_set('key1', 1)
stash_set('key2', 2)
check_expression("'#{stash_all().to_s}' == '{\"key1\"=>1, \"key2\"=>2}'")
stash_delete('key2')
check_expression("#{stash_get('key2').nil?} == true")
stash_delete('key1')
data = [1,2,[3,4]]
stash_set('ary', data)
check_expression("'#{stash_get('ary')}' == '#{data.to_s}'")
stash_delete('ary')
# Note: hashes with symbol keys works but get converted to string keys on stash_get
hash = { 'one' => 1, 'two' => 2, 'string' => 'string' }
stash_set('hash', hash)
check_expression("'#{stash_get('hash')}' == '#{hash.to_s}'")
stash_delete('hash')