test/hope_dictionary_SUITE.erl

   1 -module(hope_dictionary_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_get/1
  16     , t_pop/1
  17     , t_fold/1
  18     , t_dictionary_specs/1
  19     ]).
  20
  21
  22 -define(DICT_MODULE         , dict_module).
  23 -define(DICT_MODULE_KV_LIST , hope_kv_list).
  24
  25
  26 %% ============================================================================
  27 %% Common Test callbacks
  28 %% ============================================================================
  29
  30 all() ->
  31     [{group, ?DICT_MODULE_KV_LIST}].
  32
  33 groups() ->
  34     Tests =
  35         [ t_set_new
  36         , t_set_existing
  37         , t_get
  38         , t_pop
  39         , t_fold
  40         , t_dictionary_specs
  41         ],
  42     Properties = [parallel],
  43     [{?DICT_MODULE_KV_LIST, Properties, Tests}].
  44
  45 init_per_group(DictModule, Cfg) ->
  46     hope_kv_list:set(Cfg, ?DICT_MODULE, DictModule).
  47
  48 end_per_group(_DictModule, _Cfg) ->
  49     ok.
  50
  51
  52 %% =============================================================================
  53 %%  Test cases
  54 %% =============================================================================
  55
  56 t_get(Cfg) ->
  57     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  58     K1 = k1,
  59     K2 = k2,
  60     V1 = v1,
  61     V2 = v2,
  62     D = DictModule:set(DictModule:empty(), K1, V1),
  63     {some, V1} = DictModule:get(D, K1),
  64     V1         = DictModule:get(D, K1, V2),
  65     none       = DictModule:get(D, K2),
  66     V2         = DictModule:get(D, K2, V2),
  67     default    = DictModule:get(D, K1, default, fun (X) -> X =:= foo end),
  68     V1         = DictModule:get(D, K1, default, fun (X) -> X =:= V1 end).
  69
  70 t_set_new(Cfg) ->
  71     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  72     Key           = key,
  73     ValExpected   = bar,
  74     ListInitial   = DictModule:empty(),
  75     ListResulting = DictModule:set(ListInitial, Key, ValExpected),
  76     {some, ValResulting} = DictModule:get(ListResulting, Key),
  77     ValResulting = ValExpected.
  78
  79 t_set_existing(Cfg) ->
  80     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  81     Key           = key,
  82     ValInitial    = foo,
  83     ValExpected   = bar,
  84     ListInitial   = [{donald, duck}, {Key, ValInitial}],
  85     ListResulting = DictModule:set(ListInitial, Key, ValExpected),
  86     {some, ValResulting} = DictModule:get(ListResulting, Key),
  87     ValResulting = ValExpected.
  88
  89 t_pop(Cfg) ->
  90     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  91     KVList = [{a, 1}, {b, 2}, {c, 3}],
  92     Dict1 = DictModule:of_kv_list(KVList),
  93     {{some, 1} , Dict2} = DictModule:pop(Dict1, a),
  94     {none      , Dict3} = DictModule:pop(Dict2, a),
  95     {{some, 2} , Dict4} = DictModule:pop(Dict3, b),
  96     {none      , Dict5} = DictModule:pop(Dict4, b),
  97     {{some, 3} , Dict6} = DictModule:pop(Dict5, c),
  98     {none      , Dict7} = DictModule:pop(Dict6, c),
  99     [] = DictModule:to_kv_list(Dict7).
 100
 101 t_fold(Cfg) ->
 102     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
 103     KVList = [{a, 1}, {a, 5}, {b, 3}, {c, 4}, {c, 4}],
 104     Dict = DictModule:of_kv_list(KVList),
 105     17 = DictModule:fold(Dict, fun (_K, V, Acc) -> V + Acc end, 0).
 106
 107 t_dictionary_specs(Cfg) ->
 108     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
 109     [] = proper:check_specs(DictModule).