test/hope_kv_list_SUITE.erl

   1 -module(hope_kv_list_SUITE).
   2
   3 %% Callbacks
   4 -export(
   5     [ all/0
   6     , groups/0
   7     , init_per_group/2
   8     , end_per_group/2
   9     ]).
  10
  11 %% Test cases
  12 -export(
  13     [ t_set_new/1
  14     , t_set_existing/1
  15     , t_pop/1
  16     ]).
  17
  18
  19 -define(DICT_MODULE         , dict_module).
  20 -define(DICT_MODULE_KV_LIST , hope_kv_list).
  21
  22
  23 %% ============================================================================
  24 %% Common Test callbacks
  25 %% ============================================================================
  26
  27 all() ->
  28     [{group, ?DICT_MODULE_KV_LIST}].
  29
  30 groups() ->
  31     Tests =
  32         [ t_set_new
  33         , t_set_existing
  34         , t_pop
  35         ],
  36     Properties = [],
  37     [{?DICT_MODULE_KV_LIST, Properties, Tests}].
  38
  39 init_per_group(DictModule, Cfg) ->
  40     hope_kv_list:set(Cfg, ?DICT_MODULE, DictModule).
  41
  42 end_per_group(_DictModule, _Cfg) ->
  43     ok.
  44
  45
  46 %% =============================================================================
  47 %%  Test cases
  48 %% =============================================================================
  49
  50 t_set_new(Cfg) ->
  51     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  52     Key           = key,
  53     ValExpected   = bar,
  54     ListInitial   = DictModule:empty(),
  55     ListResulting = DictModule:set(ListInitial, Key, ValExpected),
  56     {some, ValResulting} = DictModule:get(ListResulting, Key),
  57     ValResulting = ValExpected.
  58
  59 t_set_existing(Cfg) ->
  60     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  61     Key           = key,
  62     ValInitial    = foo,
  63     ValExpected   = bar,
  64     ListInitial   = [{donald, duck}, {Key, ValInitial}],
  65     ListResulting = DictModule:set(ListInitial, Key, ValExpected),
  66     {some, ValResulting} = DictModule:get(ListResulting, Key),
  67     ValResulting = ValExpected.
  68
  69 t_pop(Cfg) ->
  70     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  71     KVList = [{a, 1}, {b, 2}, {c, 3}],
  72     Dict1 = DictModule:of_kv_list(KVList),
  73     {{some, 1} , Dict2} = DictModule:pop(Dict1, a),
  74     {none      , Dict3} = DictModule:pop(Dict2, a),
  75     {{some, 2} , Dict4} = DictModule:pop(Dict3, b),
  76     {none      , Dict5} = DictModule:pop(Dict4, b),
  77     {{some, 3} , Dict6} = DictModule:pop(Dict5, c),
  78     {none      , Dict7} = DictModule:pop(Dict6, c),
  79     [] = DictModule:to_kv_list(Dict7).