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Fix getting context meta by key when there is no meta (#54)

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This commit is contained in:
Artem Ocheredko 2017-03-31 20:18:04 +04:00 committed by GitHub
parent 2f264f97c6
commit 8f1f42e209
2 changed files with 36 additions and 1 deletions
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2
src/woody_context.erl
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@ -80,7 +80,7 @@ get_meta(Context) ->
-spec get_meta(meta_key(), ctx()) ->
binary() | undefined.
get_meta(MetaKey, Context) ->
maps:get(MetaKey, maps:get(meta, Context), undefined).
maps:get(MetaKey, maps:get(meta, Context, #{}), undefined).
-spec get_rpc_id(ctx()) ->

35
test/woody_tests_SUITE.erl
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@ -25,6 +25,10 @@
%% common test API
-export([all/0, init_per_suite/1, init_per_testcase/2, end_per_suite/1, end_per_test_case/2]).
-export([
context_add_put_get_meta_ok_test/1,
context_get_meta_by_key_ok_test/1,
context_get_empty_meta_ok_test/1,
context_get_empty_meta_by_key_ok_test/1,
context_given_rpc_id_test/1,
context_given_trace_id_test/1,
context_generated_rpc_id_test/1,
@ -140,6 +144,10 @@
%%
all() ->
[
context_add_put_get_meta_ok_test,
context_get_meta_by_key_ok_test,
context_get_empty_meta_ok_test,
context_get_empty_meta_by_key_ok_test,
context_given_rpc_id_test,
context_given_trace_id_test,
context_generated_rpc_id_test,
@ -308,6 +316,33 @@ end_per_test_case(_, C) ->
%%
%% tests
%%
context_add_put_get_meta_ok_test(_) ->
Meta = #{
<<"world_says">> => <<"Hello">>,
<<"human_says">> => <<"Nope!">>
},
Context = woody_context:add_meta(woody_context:new(), Meta),
Meta = woody_context:get_meta(Context).
context_get_meta_by_key_ok_test(_) ->
Meta = #{
<<"world_says">> => <<"Hello">>,
<<"human_says">> => <<"Nope!">>
},
Context = woody_context:add_meta(woody_context:new(), Meta),
<<"Nope!">> = woody_context:get_meta(<<"human_says">>, Context).
context_get_empty_meta_ok_test(_) ->
#{} = woody_context:get_meta(woody_context:new()).
context_get_empty_meta_by_key_ok_test(_) ->
undefined = woody_context:get_meta(<<"fox_says">>, woody_context:new()).
context_given_rpc_id_test(_) ->
ReqId = <<"context_given_rpc_id">>,
RpcId = #{parent_id => ReqId, trace_id => ReqId, span_id => ReqId},