Make hope_kv_list tests generic for any dictionary.

[hope.git] / test / hope_kv_list_SUITE.erl

diff --git a/test/hope_kv_list_SUITE.erl b/test/hope_kv_list_SUITE.erl
index 65d4d1f..4fcde44 100644 (file)
--- a/test/hope_kv_list_SUITE.erl
+++ b/test/hope_kv_list_SUITE.erl
@@ -4,15 +4,20 @@
 -export(
     [ all/0
     , groups/0
+    , init_per_group/2
+    , end_per_group/2
     ]).
 
 %% Test cases
 -export(
-    [
+    [ t_set_new/1
+    , t_set_existing/1
+    , t_pop/1
     ]).
 
 
--define(GROUP_KV_LIST, kv_list).
+-define(DICT_MODULE         , dict_module).
+-define(DICT_MODULE_KV_LIST , hope_kv_list).
 
 
 %% ============================================================================
@@ -20,16 +25,55 @@
 %% ============================================================================
 
 all() ->
-    [{group, ?GROUP_KV_LIST}].
+    [{group, ?DICT_MODULE_KV_LIST}].
 
 groups() ->
     Tests =
-        [
+        [ t_set_new
+        , t_set_existing
+        , t_pop
         ],
     Properties = [],
-    [{?GROUP_KV_LIST, Properties, Tests}].
+    [{?DICT_MODULE_KV_LIST, Properties, Tests}].
+
+init_per_group(DictModule, Cfg) ->
+    hope_kv_list:set(Cfg, ?DICT_MODULE, DictModule).
+
+end_per_group(_DictModule, _Cfg) ->
+    ok.
 
 
 %% =============================================================================
 %%  Test cases
 %% =============================================================================
+
+t_set_new(Cfg) ->
+    {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
+    Key           = key,
+    ValExpected   = bar,
+    ListInitial   = DictModule:empty(),
+    ListResulting = DictModule:set(ListInitial, Key, ValExpected),
+    {some, ValResulting} = DictModule:get(ListResulting, Key),
+    ValResulting = ValExpected.
+
+t_set_existing(Cfg) ->
+    {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
+    Key           = key,
+    ValInitial    = foo,
+    ValExpected   = bar,
+    ListInitial   = [{donald, duck}, {Key, ValInitial}],
+    ListResulting = DictModule:set(ListInitial, Key, ValExpected),
+    {some, ValResulting} = DictModule:get(ListResulting, Key),
+    ValResulting = ValExpected.
+
+t_pop(Cfg) ->
+    {some, DictModule} = hope_kv_list:get(Cfg, ?DICT_MODULE),
+    KVList = [{a, 1}, {b, 2}, {c, 3}],
+    Dict1 = DictModule:of_kv_list(KVList),
+    {{some, 1} , Dict2} = DictModule:pop(Dict1, a),
+    {none      , Dict3} = DictModule:pop(Dict2, a),
+    {{some, 2} , Dict4} = DictModule:pop(Dict3, b),
+    {none      , Dict5} = DictModule:pop(Dict4, b),
+    {{some, 3} , Dict6} = DictModule:pop(Dict5, c),
+    {none      , Dict7} = DictModule:pop(Dict6, c),
+    [] = DictModule:to_kv_list(Dict7).