etest.erl

-module(etest).

-include_lib("eunit/include/eunit.hrl").


foo_test_() ->
    {
        "Foo-est of tests",
        {
            setup,
            fun() -> ok end, fun(_) -> ok end,
            {
                foreach,
                fun() -> ok end, fun(_) -> ok end,
                [
                    fun test_the_things/1,
                    fun test_all_the_things/1
                ]
            }
        }
    }.


test_the_things(_) ->
    ?_assertEqual(true, false),
    ?_assertEqual(true, true).


test_all_the_things(_) ->
    [
        ?_assertEqual(true, false),
        ?_assertEqual(true, true)
    ].

output

5> vagrant@vagrant:/tmp$ erlc etest.erl 
etest.erl:25: Warning: a term is constructed, but never used
vagrant@vagrant:/tmp$ erl
Erlang/OTP 17 [erts-6.4.1] [source-381fb6c] [64-bit] [smp:2:2] [async-threads:10] [hipe] [kernel-poll:false]

Eshell V6.4.1  (abort with ^G)
1> l(etest).
{module,etest}
2> eunit:test(etest, [verbose]).
======================== EUnit ========================
module 'etest'
  Foo-est of tests
    etest:26: test_the_things...ok
    etest:31: test_all_the_things...*failed*
in function etest:'-test_all_the_things/1-fun-0-'/1 (etest.erl, line 31)
**error:{assertEqual_failed,[{module,etest},
                     {line,31},
                     {expression,"false"},
                     {expected,true},
                     {value,false}]}


    etest:32: test_all_the_things...ok
    [done in 0.010 s]
  [done in 0.010 s]
=======================================================
  Failed: 1.  Skipped: 0.  Passed: 2.
error