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Diffstat (limited to 'src/rebar_cover_utils.erl')
| -rw-r--r-- | src/rebar_cover_utils.erl | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/src/rebar_cover_utils.erl b/src/rebar_cover_utils.erl deleted file mode 100644 index 0439b8a..0000000 --- a/src/rebar_cover_utils.erl +++ /dev/null @@ -1,261 +0,0 @@ -%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*- -%% ex: ts=4 sw=4 et -%% ------------------------------------------------------------------- -%% -%% rebar: Erlang Build Tools -%% -%% Copyright (c) 2009, 2010 Dave Smith (dizzyd@dizzyd.com) -%% Copyright (c) 2013 Andras Horvath (andras.horvath@erlang-solutions.com) -%% -%% Permission is hereby granted, free of charge, to any person obtaining a copy -%% of this software and associated documentation files (the "Software"), to deal -%% in the Software without restriction, including without limitation the rights -%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -%% copies of the Software, and to permit persons to whom the Software is -%% furnished to do so, subject to the following conditions: -%% -%% The above copyright notice and this permission notice shall be included in -%% all copies or substantial portions of the Software. -%% -%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -%% THE SOFTWARE. -%% ------------------------------------------------------------------- --module(rebar_cover_utils). - -%% for internal use only --export([init/3, - perform_cover/4, - close/1, - exit/0]). - --include("rebar.hrl"). - -%% ==================================================================== -%% Internal functions -%% ==================================================================== - -perform_cover(Config, BeamFiles, SrcModules, TargetDir) -> - perform_cover(rebar_state:get(Config, cover_enabled, false), - Config, BeamFiles, SrcModules, TargetDir). - -perform_cover(false, _Config, _BeamFiles, _SrcModules, _TargetDir) -> - ok; -perform_cover(true, Config, BeamFiles, SrcModules, TargetDir) -> - analyze(Config, BeamFiles, SrcModules, TargetDir). - -close(not_enabled) -> - ok; -close(F) -> - ok = file:close(F). - -exit() -> - cover:stop(). - -init(false, _BeamFiles, _TargetDir) -> - {ok, not_enabled}; -init(true, BeamFiles, TargetDir) -> - %% Attempt to start the cover server, then set its group leader to - %% TargetDir/cover.log, so all cover log messages will go there instead of - %% to stdout. If the cover server is already started, we'll kill that - %% server and start a new one in order not to inherit a polluted - %% cover_server state. - {ok, CoverPid} = case whereis(cover_server) of - undefined -> - cover:start(); - _ -> - cover:stop(), - cover:start() - end, - - {ok, F} = OkOpen = file:open( - filename:join([TargetDir, "cover.log"]), - [write]), - - group_leader(F, CoverPid), - - ?INFO("Cover compiling ~s\n", [rebar_dir:get_cwd()]), - - Compiled = [{Beam, cover:compile_beam(Beam)} || Beam <- BeamFiles], - case [Module || {_, {ok, Module}} <- Compiled] of - [] -> - %% No modules compiled successfully...fail - ?ERROR("Cover failed to compile any modules; aborting.", []), - ?FAIL; - _ -> - %% At least one module compiled successfully - - %% It's not an error for cover compilation to fail partially, - %% but we do want to warn about them - PrintWarning = - fun(Beam, Desc) -> - ?CONSOLE("Cover compilation warning for ~p: ~p", - [Beam, Desc]) - end, - _ = [PrintWarning(Beam, Desc) || {Beam, {error, Desc}} <- Compiled], - OkOpen - end; -init(Config, BeamFiles, TargetDir) -> - init(rebar_state:get(Config, cover_enabled, false), BeamFiles, TargetDir). - -analyze(_Config, [], _SrcModules, _TargetDir) -> - ok; -analyze(Config, FilteredModules, SrcModules, TargetDir) -> - %% Generate coverage info for all the cover-compiled modules - Coverage = lists:flatten([analyze_mod(M) - || M <- FilteredModules, - cover:is_compiled(M) =/= false]), - - %% Write index of coverage info - write_index(lists:sort(Coverage), SrcModules, TargetDir), - - %% Write coverage details for each file - lists:foreach( - fun({M, _, _}) -> - {ok, _} = cover:analyze_to_file(M, - cover_file(M, TargetDir), - [html]) - end, Coverage), - - Index = filename:join([rebar_dir:get_cwd(), TargetDir, "index.html"]), - ?CONSOLE("Cover analysis: ~s\n", [Index]), - - %% Export coverage data, if configured - case rebar_state:get(Config, cover_export_enabled, false) of - true -> - export_coverdata(TargetDir); - false -> - ok - end, - - %% Print coverage report, if configured - case rebar_state:get(Config, cover_print_enabled, false) of - true -> - print_coverage(lists:sort(Coverage)); - false -> - ok - end. - -analyze_mod(Module) -> - case cover:analyze(Module, coverage, module) of - {ok, {Module, {Covered, NotCovered}}} -> - %% Modules that include the eunit header get an implicit - %% test/0 fun, which cover considers a runnable line, but - %% eunit:test(TestRepresentation) never calls. Decrement - %% NotCovered in this case. - [align_notcovered_count(Module, Covered, NotCovered, - is_eunitized(Module))]; - {error, Reason} -> - ?ERROR("Cover analyze failed for ~p: ~p ~p\n", - [Module, Reason, code:which(Module)]), - [] - end. - -is_eunitized(Mod) -> - has_eunit_test_fun(Mod) andalso - has_header(Mod, "include/eunit.hrl"). - -has_eunit_test_fun(Mod) -> - [F || {exports, Funs} <- Mod:module_info(), - {F, 0} <- Funs, F =:= test] =/= []. - -has_header(Mod, Header) -> - Mod1 = case code:which(Mod) of - cover_compiled -> - {file, File} = cover:is_compiled(Mod), - File; - non_existing -> Mod; - preloaded -> Mod; - L -> L - end, - {ok, {_, [{abstract_code, {_, AC}}]}} = - beam_lib:chunks(Mod1, [abstract_code]), - [F || {attribute, 1, file, {F, 1}} <- AC, - string:str(F, Header) =/= 0] =/= []. - -align_notcovered_count(Module, Covered, NotCovered, false) -> - {Module, Covered, NotCovered}; -align_notcovered_count(Module, Covered, NotCovered, true) -> - {Module, Covered, NotCovered - 1}. - -write_index(Coverage, SrcModules, TargetDir) -> - {ok, F} = file:open(filename:join([TargetDir, "index.html"]), [write]), - ok = file:write(F, "<!DOCTYPE HTML><html>\n" - "<head><meta charset=\"utf-8\">" - "<title>Coverage Summary</title></head>\n" - "<body>\n"), - IsSrcCoverage = fun({Mod,_C,_N}) -> lists:member(Mod, SrcModules) end, - {SrcCoverage, TestCoverage} = lists:partition(IsSrcCoverage, Coverage), - write_index_section(F, "Source", SrcCoverage), - write_index_section(F, "Test", TestCoverage), - ok = file:write(F, "</body></html>"), - ok = file:close(F). - -write_index_section(_F, _SectionName, []) -> - ok; -write_index_section(F, SectionName, Coverage) -> - %% Calculate total coverage - {Covered, NotCovered} = lists:foldl(fun({_Mod, C, N}, {CAcc, NAcc}) -> - {CAcc + C, NAcc + N} - end, {0, 0}, Coverage), - TotalCoverage = percentage(Covered, NotCovered), - - %% Write the report - ok = file:write(F, ?FMT("<h1>~s Summary</h1>\n", [SectionName])), - ok = file:write(F, ?FMT("<h3>Total: ~s</h3>\n", [TotalCoverage])), - ok = file:write(F, "<table><tr><th>Module</th><th>Coverage %</th></tr>\n"), - - FmtLink = - fun(Module, Cov, NotCov) -> - ?FMT("<tr><td><a href='~s.COVER.html'>~s</a></td><td>~s</td>\n", - [Module, Module, percentage(Cov, NotCov)]) - end, - lists:foreach(fun({Module, Cov, NotCov}) -> - ok = file:write(F, FmtLink(Module, Cov, NotCov)) - end, Coverage), - ok = file:write(F, "</table>\n"). - -print_coverage(Coverage) -> - {Covered, NotCovered} = lists:foldl(fun({_Mod, C, N}, {CAcc, NAcc}) -> - {CAcc + C, NAcc + N} - end, {0, 0}, Coverage), - TotalCoverage = percentage(Covered, NotCovered), - - %% Determine the longest module name for right-padding - Width = lists:foldl(fun({Mod, _, _}, Acc) -> - case length(atom_to_list(Mod)) of - N when N > Acc -> - N; - _ -> - Acc - end - end, 0, Coverage) * -1, - - %% Print the output the console - ?CONSOLE("~nCode Coverage:", []), - lists:foreach(fun({Mod, C, N}) -> - ?CONSOLE("~*s : ~4s", - [Width, Mod, percentage(C, N)]) - end, Coverage), - ?CONSOLE("~n~*s : ~s", [Width, "Total", TotalCoverage]). - -cover_file(Module, TargetDir) -> - filename:join([TargetDir, atom_to_list(Module) ++ ".COVER.html"]). - -export_coverdata(TargetDir) -> - ExportFile = filename:join(TargetDir, "cover.coverdata"), - case cover:export(ExportFile) of - ok -> - ?CONSOLE("Coverdata export: ~s", [ExportFile]); - {error, Reason} -> - ?ERROR("Coverdata export failed: ~p", [Reason]) - end. - -percentage(0, 0) -> - "not executed"; -percentage(Cov, NotCov) -> - integer_to_list(trunc((Cov / (Cov + NotCov)) * 100)) ++ "%". |