# context("map")
#
# test_map <- function(generator, ...){
#   make_map <- function(...){
#     generator$new(...)
#   }
#   self <- make_map(...)
#   private <- self$.__enclos_env__$private
#   self$reset()
#   self$validate()
#   expect_equal(self$size(), 0)
#   expect_identical(self$as_list(), list())
#
#   expect_identical(self$set('a', 124), self$digest(124))
#   self$validate()
#   expect_equal(self$get('a'), 124)
#   self$set('b', 11231)
#   expect_equal(self$get('b'), 11231)
#   self$validate()
#   self$set('a', 123)
#   self$validate()
#   expect_true(all(c('a', 'b') %in% self$keys()))
#
#   expect_equal(dim(self$keys(include_signatures = TRUE)), c(2,2))
#   expect_true(self$has(keys = 'a'))
#   expect_true(self$has(keys = 'a', signature = 123))
#   expect_true(self$has(keys = 'a', signature = self$digest(123), sig_encoded = TRUE))
#
#   expect_false(self$has(keys = 'a', signature = self$digest(123), sig_encoded = FALSE))
#
#   self$validate()
#   expect_equal(self$mget(c('a', 'b', 'a')), list(a=123, b = 11231, a = 123))
#
#   expect_equal(self$as_list(sort = TRUE), list(a=123, b = 11231))
#
#   expect_null( self$get('c') )
#   expect_equal( self$get('c', missing_default = 'aaa'), 'aaa' )
#   self$missing_default <- 'hahaha'
#   expect_equal(self$get('c'), 'hahaha')
#   expect_equal( self$get('c', missing_default = 'aaa'), 'aaa' )
#
#   self$remove('a')
#
#   self <- make_map(...)
#
#   expect_equivalent(self$has(c('a', 'b')), c(FALSE, TRUE))
#
#   expect_equal(self$size(), 1)
#
#   self$reset()
#   expect_equal(self$size(), 0)
#   expect_equivalent(self$has(c('a', 'b')), c(FALSE, FALSE))
#
#   expect_true(self$is_valid)
#   self$destroy()
#
#   expect_false(self$is_valid)
#
#   utils::capture.output(expect_error(suppressWarnings(self$validate())))
# }
#
#
# test_that('Session map', {
#   map <- fastmap::fastmap()
#   test_map( dipsaus:::SessionMap, map )
# })
#
# test_that('RDS map', {
#   path <- tempfile()
#   test_map( dipsaus:::FileMap, path )
# })
#
# # test_that('QS map', {
# #   path <- tempfile()
# #   test_map( dipsaus:::QsMap, path )
# # })
#
# test_that('Redis map', {
#   has_redis <- tryCatch({
#     new( RcppRedis::Redis )
#     TRUE
#   }, error = function(e){
#     FALSE
#   })
#   skip_if(!has_redis, message = 'No Redis detected, skip :)')
#   test_map( dipsaus:::RedisMap, 'test' )
# })
#
# test_that('Persist container', {
#   container <- dipsaus::PersistContainer$new(tempfile())
#
#   v <- container$cache(key = 'a', value = 1, signature = 111, persist = FALSE)
#   expect_equal(v, 1)
#   v <- container$cache(key = 'a', value = 3, signature = 111, persist = TRUE, replace = TRUE)
#   expect_equal(v, 3)
#
#   expect_true(container$has('a', signature = 111))
#   expect_true(container$has('a'))
#
#   v <- container$cache(key = 'a', value = 2, signature = 111, replace = FALSE)
#   expect_equal(v, 3)
#
#   v <- container$cache(key = 'a', value = 4)
#   expect_equal(v, 3)
#
#   expect_true(container$has('a'))
#   v <- container$cache(key = 'a', value = 2)
#   expect_equal(v, 3)
#
#   # We still have 'a' with signature 111 because that value was persisted
#   expect_true(container$has('a', signature = 111))
#
#   v <- container$cache(key = 'a', value = 4, persist = TRUE, replace = TRUE)
#   expect_equal(v, 4)
#
#   # persisted value is overwritten
#   expect_false(container$has('a', signature = 111))
#
#   container$destroy()
# })