aboutsummaryrefslogtreecommitdiffstats
path: root/lib/eunit/src/eunit_surefire.erl
blob: 1b468551d8bd6f41f4ce42a6eba2db40fa61f035 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
%% This library is free software; you can redistribute it and/or modify
%% it under the terms of the GNU Lesser General Public License as
%% published by the Free Software Foundation; either version 2 of the
%% License, or (at your option) any later version.
%%
%% This library is distributed in the hope that it will be useful, but
%% WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%% Lesser General Public License for more details.
%%
%% You should have received a copy of the GNU Lesser General Public
%% License along with this library; if not, write to the Free Software
%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
%% USA
%%
%% @author Mickaël Rémond <mickael.remond@process-one.net>
%% @copyright 2009 Mickaël Rémond, Paul Guyot
%% @see eunit
%% @doc Surefire reports for EUnit (Format used by Maven and Atlassian
%% Bamboo for example to integrate test results). Based on initial code
%% from Paul Guyot.
%%
%% Example: Generate XML result file in the current directory:
%% ```eunit:test([fib, eunit_examples],
%%               [{report,{eunit_surefire,[{dir,"."}]}}]).'''

-module(eunit_surefire).

-behaviour(eunit_listener).

-define(NODEBUG, true).
-include("eunit.hrl").
-include("eunit_internal.hrl").

-export([start/0, start/1]).

-export([init/1, handle_begin/3, handle_end/3, handle_cancel/3,
	 terminate/2]).

%% ============================================================================
%% MACROS
%% ============================================================================
-define(XMLDIR, ".").
-define(INDENT, <<"  ">>).
-define(NEWLINE, <<"\n">>).

%% ============================================================================
%% TYPES
%% ============================================================================
-type(chars() :: [char() | any()]). % chars()

%% ============================================================================
%% RECORDS
%% ============================================================================
-record(testcase,
	{
	  name :: chars(),
	  description :: chars(),
	  result :: ok
                  | {failed, tuple()}
                  | {aborted, tuple()}
                  | {skipped, term()}
                  | undefined,
	  time :: integer(),
	  output :: binary()
	 }).
-record(testsuite,
	{
          id = 0 :: integer(),
	  name = <<>> :: binary(),
	  time = 0 :: integer(),
	  output = <<>> :: binary(),
	  succeeded = 0 :: integer(),
	  failed = 0 :: integer(),
	  aborted = 0 :: integer(),
	  skipped = 0 :: integer(),
	  testcases = [] :: [#testcase{}]
    }).
-record(state, {verbose = false,
		indent = 0,
		xmldir = ".",
		testsuites = [] :: [#testsuite{}]
	       }).

start() ->
    start([]).

start(Options) ->
    eunit_listener:start(?MODULE, Options).

init(Options) ->
    XMLDir = proplists:get_value(dir, Options, ?XMLDIR),
    St = #state{verbose = proplists:get_bool(verbose, Options),
		xmldir = XMLDir,
		testsuites = []},
    receive
	{start, _Reference} ->
	    St
    end.

terminate({ok, _Data}, St) ->
    TestSuites = St#state.testsuites,
    XmlDir = St#state.xmldir,
    write_reports(TestSuites, XmlDir),
    ok;
terminate({error, _Reason}, _St) ->
    %% Don't report any errors here, since eunit_tty takes care of that.
    %% Just terminate.
    ok.

handle_begin(Kind, Data, St) when Kind == group; Kind == test ->
    %% Run this code both for groups and tests; test is a bit
    %% surprising: This is a workaround for the fact that we don't get
    %% a group (handle_begin(group, ...) for testsuites (modules)
    %% which only have one test case.  In that case we get a test case
    %% with an id comprised of just one integer - the group id.
    NewId = proplists:get_value(id, Data),
    case NewId of
	[] ->
	    St;
	[GroupId] ->
	    Desc = proplists:get_value(desc, Data),
            TestSuite = #testsuite{id = GroupId, name = Desc},
	    St#state{testsuites=store_suite(TestSuite, St#state.testsuites)};
	%% Surefire format is not hierarchic: Ignore subgroups:
	_ ->
	    St
    end.
handle_end(group, Data, St) ->
    %% Retrieve existing test suite:
    case proplists:get_value(id, Data) of
	[] ->
	    St;
	[GroupId|_] ->
            TestSuites = St#state.testsuites,
	    TestSuite = lookup_suite_by_group_id(GroupId, TestSuites),

	    %% Update TestSuite data:
	    Time = proplists:get_value(time, Data),
	    Output = proplists:get_value(output, Data),
	    NewTestSuite = TestSuite#testsuite{ time = Time, output = Output },
	    St#state{testsuites=store_suite(NewTestSuite, TestSuites)}
    end;
handle_end(test, Data, St) ->
    %% Retrieve existing test suite:
    [GroupId|_] = proplists:get_value(id, Data),
    TestSuites = St#state.testsuites,
    TestSuite = lookup_suite_by_group_id(GroupId, TestSuites),

    %% Create test case:
    Name = format_name(proplists:get_value(source, Data),
		       proplists:get_value(line, Data)),
    Desc = format_desc(proplists:get_value(desc, Data)),
    Result = proplists:get_value(status, Data),
    Time = proplists:get_value(time, Data),
    Output = proplists:get_value(output, Data),
    TestCase = #testcase{name = Name, description = Desc,
			 time = Time,output = Output},
    NewTestSuite = add_testcase_to_testsuite(Result, TestCase, TestSuite),
    St#state{testsuites=store_suite(NewTestSuite, TestSuites)}.

%% Cancel group does not give information on the individual cancelled test case
%% We ignore this event...
handle_cancel(group, Data, St) ->
    %% ...except when it tells us that a fixture setup or cleanup failed.
    case proplists:get_value(reason, Data) of
        {abort, {SomethingFailed, Exception}}
          when SomethingFailed =:= setup_failed;
               SomethingFailed =:= cleanup_failed ->
            [GroupId|_] = proplists:get_value(id, Data),
            TestSuites = St#state.testsuites,
            TestSuite = lookup_suite_by_group_id(GroupId, TestSuites),

            %% We don't have any proper name.  Let's give all the
            %% clues that we have.
            Name = case SomethingFailed of
                       setup_failed -> "fixture setup ";
                       cleanup_failed -> "fixture cleanup "
                   end
                ++ io_lib:format("~w", [proplists:get_value(id, Data)]),
            Desc = format_desc(proplists:get_value(desc, Data)),
            TestCase = #testcase{
              name = Name, description = Desc,
              time = 0, output = <<>>},
            NewTestSuite = add_testcase_to_testsuite({error, Exception}, TestCase, TestSuite),
            St#state{testsuites=store_suite(NewTestSuite, TestSuites)};
        _ ->
            St
    end;
handle_cancel(test, Data, St) ->
    %% Retrieve existing test suite:
    [GroupId|_] = proplists:get_value(id, Data),
    TestSuites = St#state.testsuites,
    TestSuite = lookup_suite_by_group_id(GroupId, TestSuites),

    %% Create test case:
    Name = format_name(proplists:get_value(source, Data),
		       proplists:get_value(line, Data)),
    Desc = format_desc(proplists:get_value(desc, Data)),
    Reason = proplists:get_value(reason, Data),
    TestCase = #testcase{
      name = Name, description = Desc,
      result = {skipped, Reason}, time = 0,
      output = <<>>},
    NewTestSuite = TestSuite#testsuite{
		     skipped = TestSuite#testsuite.skipped+1,
		     testcases=[TestCase|TestSuite#testsuite.testcases] },
    St#state{testsuites=store_suite(NewTestSuite, TestSuites)}.

format_name({Module, Function, _Arity}, Line) ->
    lists:flatten([atom_to_list(Module), ":", integer_to_list(Line), " ",
                   atom_to_list(Function)]).
format_desc(undefined) ->
    "";
format_desc(Desc) when is_binary(Desc) ->
    binary_to_list(Desc);
format_desc(Desc) when is_list(Desc) ->
    Desc.

lookup_suite_by_group_id(GroupId, TestSuites) ->
    #testsuite{} = lists:keyfind(GroupId, #testsuite.id, TestSuites).

store_suite(#testsuite{id=GroupId} = TestSuite, TestSuites) ->
    lists:keystore(GroupId, #testsuite.id, TestSuites, TestSuite).

%% Add testcase to testsuite depending on the result of the test.
add_testcase_to_testsuite(ok, TestCaseTmp, TestSuite) ->
    TestCase = TestCaseTmp#testcase{ result = ok },
    TestSuite#testsuite{
      succeeded = TestSuite#testsuite.succeeded+1,
      testcases=[TestCase|TestSuite#testsuite.testcases] };
add_testcase_to_testsuite({error, Exception}, TestCaseTmp, TestSuite) ->
    case Exception of
	{error,{AssertionException,_},_} when
	AssertionException == assertion_failed;
	AssertionException == assertMatch_failed;
	AssertionException == assertEqual_failed;
	AssertionException == assertException_failed;
	AssertionException == assertCmd_failed;
	AssertionException == assertCmdOutput_failed
	->
	    TestCase = TestCaseTmp#testcase{ result = {failed, Exception} },
	    TestSuite#testsuite{
	      failed = TestSuite#testsuite.failed+1,
	      testcases = [TestCase|TestSuite#testsuite.testcases] };
	_ ->
	    TestCase = TestCaseTmp#testcase{ result = {aborted, Exception} },
	    TestSuite#testsuite{
	      aborted = TestSuite#testsuite.aborted+1,
	      testcases = [TestCase|TestSuite#testsuite.testcases] }
    end.

%% ----------------------------------------------------------------------------
%% Write a report to the XML directory.
%% This function opens the report file, calls write_report_to/2 and closes the file.
%% ----------------------------------------------------------------------------
write_reports(TestSuites, XmlDir) ->
    lists:foreach(fun(TestSuite) -> write_report(TestSuite, XmlDir) end,
                  TestSuites).

write_report(#testsuite{name = Name} = TestSuite, XmlDir) ->
    Filename = filename:join(XmlDir, lists:flatten(["TEST-", escape_suitename(Name)], ".xml")),
    case file:open(Filename, [write,{encoding,utf8}]) of
        {ok, FileDescriptor} ->
            try
                write_report_to(TestSuite, FileDescriptor)
            after
                file:close(FileDescriptor)
            end;
        {error, _Reason} = Error -> throw(Error)
    end.

%% ----------------------------------------------------------------------------
%% Actually write a report.
%% ----------------------------------------------------------------------------
write_report_to(TestSuite, FileDescriptor) ->
    write_header(FileDescriptor),
    write_start_tag(TestSuite, FileDescriptor),
    write_testcases(lists:reverse(TestSuite#testsuite.testcases), FileDescriptor),
    write_end_tag(FileDescriptor).

%% ----------------------------------------------------------------------------
%% Write the XML header.
%% ----------------------------------------------------------------------------
write_header(FileDescriptor) ->
    io:format(FileDescriptor, "~ts~ts", [<<"<?xml version=\"1.0\" encoding=\"UTF-8\" ?>">>, ?NEWLINE]).

%% ----------------------------------------------------------------------------
%% Write the testsuite start tag, with attributes describing the statistics
%% of the test suite.
%% ----------------------------------------------------------------------------
write_start_tag(
        #testsuite{
            name = Name,
            time = Time,
            succeeded = Succeeded,
            failed = Failed,
            skipped = Skipped,
            aborted = Aborted},
        FileDescriptor) ->
    Total = Succeeded + Failed + Skipped + Aborted,
    StartTag = [
        <<"<testsuite tests=\"">>, integer_to_list(Total),
        <<"\" failures=\"">>, integer_to_list(Failed),
        <<"\" errors=\"">>, integer_to_list(Aborted),
        <<"\" skipped=\"">>, integer_to_list(Skipped),
        <<"\" time=\"">>, format_time(Time),
        <<"\" name=\"">>, escape_attr(Name),
        <<"\">">>, ?NEWLINE],
    io:format(FileDescriptor, "~ts", [StartTag]).

%% ----------------------------------------------------------------------------
%% Recursive function to write the test cases.
%% ----------------------------------------------------------------------------
write_testcases([], _FileDescriptor) -> void;
write_testcases([TestCase| Tail], FileDescriptor) ->
    write_testcase(TestCase, FileDescriptor),
    write_testcases(Tail, FileDescriptor).

%% ----------------------------------------------------------------------------
%% Write the testsuite end tag.
%% ----------------------------------------------------------------------------
write_end_tag(FileDescriptor) ->
    io:format(FileDescriptor, "~ts~ts", [<<"</testsuite>">>, ?NEWLINE]).

%% ----------------------------------------------------------------------------
%% Write a test case, as a testcase tag.
%% If the test case was successful and if there was no output, we write an empty
%% tag.
%% ----------------------------------------------------------------------------
write_testcase(
        #testcase{
            name = Name,
            description = Description,
            result = Result,
            time = Time,
            output = Output},
        FileDescriptor) ->
    DescriptionAttr = case Description of
			  [] -> [];
			  _ -> [<<" (">>, escape_attr(Description), <<")">>]
		      end,
    StartTag = [
        ?INDENT, <<"<testcase time=\"">>, format_time(Time),
        <<"\" name=\"">>, escape_attr(Name), DescriptionAttr, <<"\"">>],
    ContentAndEndTag = case {Result, Output} of
        {ok, <<>>} -> [<<"/>">>, ?NEWLINE];
        _ -> [<<">">>, ?NEWLINE, format_testcase_result(Result), format_testcase_output(Output), ?INDENT, <<"</testcase>">>, ?NEWLINE]
    end,
    io:format(FileDescriptor, "~ts~ts", [StartTag, ContentAndEndTag]).

%% ----------------------------------------------------------------------------
%% Format the result of the test.
%% Failed tests are represented with a failure tag.
%% Aborted tests are represented with an error tag.
%% Skipped tests are represented with a skipped tag.
%% ----------------------------------------------------------------------------
format_testcase_result(ok) -> [<<>>];
format_testcase_result({failed, {error, {Type, _}, _} = Exception}) when is_atom(Type) ->
    [?INDENT, ?INDENT, <<"<failure type=\"">>, escape_attr(atom_to_list(Type)), <<"\">">>, ?NEWLINE,
    <<"::">>, escape_text(eunit_lib:format_exception(Exception, 100)),
    ?INDENT, ?INDENT, <<"</failure>">>, ?NEWLINE];
format_testcase_result({failed, Term}) ->
    [?INDENT, ?INDENT, <<"<failure type=\"unknown\">">>, ?NEWLINE,
    escape_text(io_lib:write(Term)),
    ?INDENT, ?INDENT, <<"</failure>">>, ?NEWLINE];
format_testcase_result({aborted, {Class, _Term, _Trace} = Exception}) when is_atom(Class) ->
    [?INDENT, ?INDENT, <<"<error type=\"">>, escape_attr(atom_to_list(Class)), <<"\">">>, ?NEWLINE,
    <<"::">>, escape_text(eunit_lib:format_exception(Exception, 100)),
    ?INDENT, ?INDENT, <<"</error>">>, ?NEWLINE];
format_testcase_result({aborted, Term}) ->
    [?INDENT, ?INDENT, <<"<error type=\"unknown\">">>, ?NEWLINE,
    escape_text(io_lib:write(Term)),
    ?INDENT, ?INDENT, <<"</error>">>, ?NEWLINE];
format_testcase_result({skipped, {abort, Error}}) when is_tuple(Error) ->
    [?INDENT, ?INDENT, <<"<skipped type=\"">>, escape_attr(atom_to_list(element(1, Error))), <<"\">">>, ?NEWLINE,
    escape_text(eunit_lib:format_error(Error)),
    ?INDENT, ?INDENT, <<"</skipped>">>, ?NEWLINE];
format_testcase_result({skipped, {Type, Term}}) when is_atom(Type) ->
    [?INDENT, ?INDENT, <<"<skipped type=\"">>, escape_attr(atom_to_list(Type)), <<"\">">>, ?NEWLINE,
    escape_text(io_lib:write(Term)),
    ?INDENT, ?INDENT, <<"</skipped>">>, ?NEWLINE];
format_testcase_result({skipped, timeout}) ->
    [?INDENT, ?INDENT, <<"<skipped type=\"timeout\"/>">>, ?NEWLINE];
format_testcase_result({skipped, Term}) ->
    [?INDENT, ?INDENT, <<"<skipped type=\"unknown\">">>, ?NEWLINE,
    escape_text(io_lib:write(Term)),
    ?INDENT, ?INDENT, <<"</skipped>">>, ?NEWLINE].

%% ----------------------------------------------------------------------------
%% Format the output of a test case in xml.
%% Empty output is simply the empty string.
%% Other output is inside a <system-out> xml tag.
%% ----------------------------------------------------------------------------
format_testcase_output(Output) ->
    [?INDENT, ?INDENT, <<"<system-out>">>, escape_text(Output), ?NEWLINE, ?INDENT, ?INDENT, <<"</system-out>">>, ?NEWLINE].

%% ----------------------------------------------------------------------------
%% Return the time in the SECS.MILLISECS format.
%% ----------------------------------------------------------------------------
format_time(Time) ->
    format_time_s(lists:reverse(integer_to_list(Time))).
format_time_s([Digit]) -> ["0.00", Digit];
format_time_s([Digit1, Digit2]) -> ["0.0", Digit2, Digit1];
format_time_s([Digit1, Digit2, Digit3]) -> ["0.", Digit3, Digit2, Digit1];
format_time_s([Digit1, Digit2, Digit3 | Tail]) -> [lists:reverse(Tail), $., Digit3, Digit2, Digit1].

%% ----------------------------------------------------------------------------
%% Escape a suite's name to generate the filename.
%% Remark: we might overwrite another testsuite's file.
%% ----------------------------------------------------------------------------
escape_suitename(Binary) when is_binary(Binary) ->
    escape_suitename(binary_to_list(Binary));
escape_suitename("module '" ++ String) ->
    escape_suitename(String);
escape_suitename(String) ->
    escape_suitename(String, []).

escape_suitename([], Acc) -> lists:reverse(Acc);
escape_suitename([$  | Tail], Acc) -> escape_suitename(Tail, [$_ | Acc]);
escape_suitename([$' | Tail], Acc) -> escape_suitename(Tail, Acc);
escape_suitename([$/ | Tail], Acc) -> escape_suitename(Tail, [$: | Acc]);
escape_suitename([$\\ | Tail], Acc) -> escape_suitename(Tail, [$: | Acc]);
escape_suitename([Char | Tail], Acc) when Char < $! -> escape_suitename(Tail, Acc);
escape_suitename([Char | Tail], Acc) when Char > $~ -> escape_suitename(Tail, Acc);
escape_suitename([Char | Tail], Acc) -> escape_suitename(Tail, [Char | Acc]).

%% ----------------------------------------------------------------------------
%% Escape text for XML text nodes.
%% Replace < with &lt;, > with &gt; and & with &amp;
%% ----------------------------------------------------------------------------
escape_text(Text) when is_binary(Text) -> escape_text(binary_to_list(Text));
escape_text(Text) -> escape_xml(to_utf8(lists:flatten(Text)), [], false).


%% ----------------------------------------------------------------------------
%% Escape text for XML attribute nodes.
%% Replace < with &lt;, > with &gt; and & with &amp;
%% ----------------------------------------------------------------------------
escape_attr(Text) when is_binary(Text) -> escape_attr(binary_to_list(Text));
escape_attr(Text) -> escape_xml(to_utf8(lists:flatten(Text)), [], true).

escape_xml([], Acc, _ForAttr) -> lists:reverse(Acc);
escape_xml([$< | Tail], Acc, ForAttr) -> escape_xml(Tail, [$;, $t, $l, $& | Acc], ForAttr);
escape_xml([$> | Tail], Acc, ForAttr) -> escape_xml(Tail, [$;, $t, $g, $& | Acc], ForAttr);
escape_xml([$& | Tail], Acc, ForAttr) -> escape_xml(Tail, [$;, $p, $m, $a, $& | Acc], ForAttr);
escape_xml([$" | Tail], Acc, true) -> escape_xml(Tail, [$;, $t, $o, $u, $q, $& | Acc], true); % "
escape_xml([Char | Tail], Acc, ForAttr) when is_integer(Char) -> escape_xml(Tail, [Char | Acc], ForAttr).

%% the input may be utf8 or latin1; the resulting list is unicode
to_utf8(Desc) when is_binary(Desc) ->
	case unicode:characters_to_list(Desc) of
		{_,_,_} -> unicode:characters_to_list(Desc, latin1);
		X -> X
	end;
to_utf8(Desc) when is_list(Desc) ->
	try
		to_utf8(list_to_binary(Desc))
	catch
		_:_ ->
			Desc
	end.