version: 1.0.0

+ map_validate/2: a simple way to validate maps
+ gitversion.mk removed

test/map_validate.erl

@@ -0,0 +1,32 @@
+-module(map_validate).
+-include_lib("eunit/include/eunit.hrl").
+
+-define(SAMPLE, #{<<"name">> => <<"umgeher">>, email => <<"me@umgeher.org">>}).
+
+returning_no_data_test() ->
+  ?assertEqual({error, 'no data'}, utools:map_validate('not a map', #{})),
+  ?assertEqual({error, 'no data'}, utools:map_validate(#{}, 'not a map')),
+  ?assertEqual({error, 'no data'}, utools:map_validate('not a map', 'not a map')).
+  
+ok_without_doc_test() ->
+  ?assertEqual(#{}, utools:map_validate(?SAMPLE, #{})).
+
+ok_rule_required_test() ->
+  Rule = #{
+           key => <<"name">>,
+           required => true
+          },
+  ?assertEqual(#{<<"name">> => <<"umgeher">>}, utools:map_validate(?SAMPLE, #{rules => [Rule]})).
+
+error_required_missing_test() ->
+  Rule = #{key => some, required => true},
+  ?assertEqual({error, some}, utools:map_validate(?SAMPLE, #{rules => [Rule]})).
+
+ok_rule_not_required_with_default_value_test() ->
+  Rule = #{key => some, default => 123},
+  ?assertEqual(#{some => 123}, utools:map_validate(?SAMPLE, #{rules => [Rule]})).
+
+ok_merge_test() ->
+  Rule = #{key => some, default => 123},
+  ?assertEqual(maps:merge(?SAMPLE, #{some => 123}), utools:map_validate(?SAMPLE, #{merge => true, rules => [Rule]})).
+