X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=test%2Fhope_option_SUITE.erl;h=e7d14dcf1aaa35196d7990757b255eac53f6afbc;hb=HEAD;hp=2b3dab0005f073efe0d165270a2ca56b3b688281;hpb=2dc71691ff8d7494f80a2af26994c186779d6898;p=hope.git

diff --git a/test/hope_option_SUITE.erl b/test/hope_option_SUITE.erl
index 2b3dab0..e7d14dc 100644
--- a/test/hope_option_SUITE.erl
+++ b/test/hope_option_SUITE.erl
@@ -9,10 +9,13 @@
 %% Test cases
 -export(
     [ t_of_result/1
+    , t_undefined/1
     , t_put/1
     , t_get/1
     , t_map/1
     , t_iter/1
+    , t_pipe/1
+    , t_validate/1
     ]).
 
 
@@ -30,10 +33,13 @@ all() ->
 groups() ->
     Tests =
         [ t_of_result
+        , t_undefined
         , t_put
         , t_get
         , t_map
         , t_iter
+        , t_pipe
+        , t_validate
         ],
     Properties = [parallel],
     [ {?GROUP, Properties, Tests}
@@ -60,12 +66,12 @@ t_map(_Cfg) ->
 
 t_iter(_Cfg) ->
     Key = key,
-    Put = fun (Val) -> _ = put(Key, Val), ok end,
+    Put = fun (Val) -> put(Key, Val) end,
     Get = fun () -> get(Key) end,
     Val = foo,
-    ok = hope_option:iter(none       , Put),
+    {} = hope_option:iter(none       , Put),
     undefined = Get(),
-    ok = hope_option:iter({some, Val}, Put),
+    {} = hope_option:iter({some, Val}, Put),
     Val = Get().
 
 t_of_result(_Cfg) ->
@@ -75,3 +81,27 @@ t_of_result(_Cfg) ->
     ResultError = {error, Bar},
     {some, Foo} = hope_option:of_result(ResultOk),
     none        = hope_option:of_result(ResultError).
+
+t_pipe(_Cfg) ->
+    Steps =
+        [ fun (0) -> hope_option:return(1); (_) -> none end
+        , fun (1) -> hope_option:return(2); (_) -> none end
+        , fun (2) -> hope_option:return(3); (_) -> none end
+        ],
+    {some, 3} = hope_option:pipe(Steps, 0),
+    none      = hope_option:pipe(Steps, 1),
+    none      = hope_option:pipe(Steps, 2),
+    none      = hope_option:pipe(Steps, 3).
+
+t_undefined(_Cfg) ->
+    X         = foo,
+    {some, X} = hope_option:of_undefined(X),
+    X         = hope_option:to_undefined({some, X}),
+    none      = hope_option:of_undefined(undefined),
+    undefined = hope_option:to_undefined(none).
+
+t_validate(_Cfg) ->
+    IsFoo = fun (X) -> X =:= foo end,
+    none = hope_option:validate(none, IsFoo),
+    none = hope_option:validate({some, bar}, IsFoo),
+    {some, foo} = hope_option:validate({some, foo}, IsFoo).