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     , t_has_key/1
  20     ]).
  21
  22
  23 -define(DICT_MODULE         , dict_module).
  24 -define(DICT_MODULE_KV_LIST , hope_kv_list).
  25
  26
  27 %% ============================================================================
  28 %% Common Test callbacks
  29 %% ============================================================================
  30
  31 all() ->
  32     [{group, ?DICT_MODULE_KV_LIST}].
  33
  34 groups() ->
  35     Tests =
  36         [ t_set_new
  37         , t_set_existing
  38         , t_get
  39         , t_pop
  40         , t_fold
  41
  42         % TODO: Find-out why t_dictionary_specs failes with latest proper HEAD:
  43         %
  44         %   Testing hope_kv_list:to_kv_list/1
  45         %   Error: The typeserver encountered an error: {unbound_var,'K'}.
  46         %   *** CT Error Notification 2015-09-26 13:46:38.684 ***
  47         %   hope_dictionary_SUITE:t_dictionary_specs failed on line 111
  48         %   Reason: {badmatch,[{hope_kv_list,of_kv_list,1}]}
  49         %
  50         %, t_dictionary_specs
  51
  52         , t_has_key
  53         ],
  54     Properties = [parallel],
  55     [{?DICT_MODULE_KV_LIST, Properties, Tests}].
  56
  57 init_per_group(DictModule, Cfg) ->
  58     hope_kv_list:set(Cfg, ?DICT_MODULE, DictModule).
  59
  60 end_per_group(_DictModule, _Cfg) ->
  61     ok.
  62
  63
  64 %% =============================================================================
  65 %%  Test cases
  66 %% =============================================================================
  67
  68 t_get(Cfg) ->
  69     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  70     K1 = k1,
  71     K2 = k2,
  72     V1 = v1,
  73     V2 = v2,
  74     D = DictModule:set(DictModule:empty(), K1, V1),
  75     {some, V1} = DictModule:get(D, K1),
  76     V1         = DictModule:get(D, K1, V2),
  77     none       = DictModule:get(D, K2),
  78     V2         = DictModule:get(D, K2, V2),
  79     default    = DictModule:get(D, K1, default, fun (X) -> X =:= foo end),
  80     V1         = DictModule:get(D, K1, default, fun (X) -> X =:= V1 end).
  81
  82 t_set_new(Cfg) ->
  83     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  84     Key           = key,
  85     ValExpected   = bar,
  86     ListInitial   = DictModule:empty(),
  87     ListResulting = DictModule:set(ListInitial, Key, ValExpected),
  88     {some, ValResulting} = DictModule:get(ListResulting, Key),
  89     ValResulting = ValExpected.
  90
  91 t_set_existing(Cfg) ->
  92     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
  93     Key           = key,
  94     ValInitial    = foo,
  95     ValExpected   = bar,
  96     ListInitial   = [{donald, duck}, {Key, ValInitial}],
  97     ListResulting = DictModule:set(ListInitial, Key, ValExpected),
  98     {some, ValResulting} = DictModule:get(ListResulting, Key),
  99     ValResulting = ValExpected.
 100
 101 t_pop(Cfg) ->
 102     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
 103     KVList = [{a, 1}, {b, 2}, {c, 3}],
 104     Dict1 = DictModule:of_kv_list(KVList),
 105     {{some, 1} , Dict2} = DictModule:pop(Dict1, a),
 106     {none      , Dict3} = DictModule:pop(Dict2, a),
 107     {{some, 2} , Dict4} = DictModule:pop(Dict3, b),
 108     {none      , Dict5} = DictModule:pop(Dict4, b),
 109     {{some, 3} , Dict6} = DictModule:pop(Dict5, c),
 110     {none      , Dict7} = DictModule:pop(Dict6, c),
 111     [] = DictModule:to_kv_list(Dict7).
 112
 113 t_fold(Cfg) ->
 114     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
 115     KVList = [{a, 1}, {a, 5}, {b, 3}, {c, 4}, {c, 4}],
 116     Dict = DictModule:of_kv_list(KVList),
 117     17 = DictModule:fold(Dict, fun (_K, V, Acc) -> V + Acc end, 0).
 118
 119 t_dictionary_specs(Cfg) ->
 120     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
 121     [] = proper:check_specs(DictModule).
 122
 123 t_has_key(Cfg) ->
 124     {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
 125     D = DictModule:of_kv_list([{a, 1}, {b, 2}, {c, 3}]),
 126     true  = DictModule:has_key(D, a),
 127     true  = DictModule:has_key(D, b),
 128     true  = DictModule:has_key(D, c),
 129     false = DictModule:has_key(D, d),
 130     false = DictModule:has_key(D, e),
 131     false = DictModule:has_key(D, f).