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Contents
-module(etl_tests).
-include_lib("eunit/include/eunit.hrl").
% To run tests:
% erlc -make
% erl -noshell -eval "eunit:test(etl, [verbose])" -s init stop
transform_one_value_test() ->
erl_transform([{1, ["a"]}], [{"a", 1}]).
transform_multiple_keys_from_multiple_values_test() ->
erl_transform([{1, ["a", "e"]}, {4, ["b"]}], [{"a", 1}, {"b", 4}, {"e", 1}]).
transform_full_dataset_test() ->
Old = [
{1, ["A", "E", "I", "O", "U", "L", "N", "R", "S", "T"]},
{2, ["D", "G"]},
{3, ["B", "C", "M", "P"]},
{4, ["F", "H", "V", "W", "Y"]},
{5, ["K"]},
{8, ["J", "X"]},
{10, ["Q", "Z"]}
],
Expected = [
{"a", 1}, {"b", 3}, {"c", 3}, {"d", 2}, {"e", 1},
{"f", 4}, {"g", 2}, {"h", 4}, {"i", 1}, {"j", 8},
{"k", 5}, {"l", 1}, {"m", 3}, {"n", 1}, {"o", 1},
{"p", 3}, {"q", 10}, {"r", 1}, {"s", 1}, {"t", 1},
{"u", 1}, {"v", 4}, {"w", 4}, {"x", 8}, {"y", 4},
{"z", 10}
],
erl_transform(Old, Expected).
erl_transform(Old, New) ->
?assertEqual(lists:sort(New), lists:sort(etl:transform(Old))).
Version data entries
84 entries across 84 versions & 1 rubygems