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Support running meck with modules built with '+deterministic' compile… #185

Merged
merged 1 commit into from
Nov 27, 2017

Commits on Nov 21, 2017

  1. Support running meck with modules built with '+deterministic' compile…

    … option
    
    When modules are built with '+deterministic' option, the BEAM files
    don't have compile options available in the module_info/1:
    
        $ cat foo.erl
        -module(foo).
        $ erlc foo.erl
        $ erl -noshell -eval 'io:format("~p~n", [foo:module_info(compile)])' -run init stop
        [{options,[]},
        {version,"7.1.1"},
        {source,"/home/foobar/foo.erl"}]
        $ rm foo.beam
        $ erlc +deterministic foo.erl
        $ erl -noshell -eval 'io:format("~p~n", [foo:module_info(compile)])' -run init stop
        [{version,"7.1.1"}]
    
    Running meck against these modules fail:
    
        ::{function_clause,[{lists,'-filter/2-lc$^0/1-0-',
                                   [undefined],
                                   [{file,"lists.erl"},{line,1286}]},
                            {meck_proc,backup_original,3,
                                       [{file,"/home/foobar/meck/_build/default/lib/meck/src/meck_proc.erl"},
                                        {line,361}]},
                            {meck_proc,init,1,
                                       [{file,"/home/foobar/meck/_build/default/lib/meck/src/meck_proc.erl"},
                                        {line,206}]},
                            {gen_server,init_it,2,
                                        [{file,"gen_server.erl"},{line,365}]},
                            {gen_server,init_it,6,[{file,[...]},{line,...}]},
                            {proc_lib,init_p_do_apply,3,[{file,...},{...}]}]}
    
    This commit fixes the problem.
    
    Fixes eproxus#184
    nablaa committed Nov 21, 2017
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