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
|
%% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.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.
%% -------------------------------------------------------------------
%%
%% Targets:
%% eunit - runs eunit tests
%% clean - remove .eunit directory
%%
%% Global options:
%% verbose=1 - show extra output from the eunit test
%% suite="foo"" - runs test/foo_tests.erl
%% -------------------------------------------------------------------
-module(rebar_eunit).
-export([eunit/2]).
-compile([export_all]).
-include("rebar.hrl").
-define(EUNIT_DIR, ".eunit").
%% ===================================================================
%% Public API
%% ===================================================================
eunit(Config, _File) ->
%% Make sure ?EUNIT_DIR/ directory exists (tack on dummy module)
ok = filelib:ensure_dir(?EUNIT_DIR ++ "/foo"),
%% Compile all erlang from src/ into ?EUNIT_DIR
rebar_erlc_compiler:do_compile(Config, "src/*.erl", ?EUNIT_DIR, ".erl", ".beam",
fun rebar_erlc_compiler:list_hrls/2, fun compile_erl/2,
rebar_config:get_list(Config, erl_first_files, [])),
%% Build a list of all the .beams in ?EUNIT_DIR -- use this for cover
%% and eunit testing. Normally you can just tell cover and/or eunit to
%% scan the directory for you, but eunit does a code:purge in conjunction
%% with that scan and causes any cover compilation info to be lost. So,
%% we do it by hand. :(
Modules = [list_to_atom(filename:basename(N, ".beam")) ||
N <- filelib:wildcard("*.beam", "ebin")],
%% TODO: If there are other wildcards specified in eunit_sources, compile them
%% Save current code path and then prefix ?EUNIT_DIR on it so that our modules
%% are found there
InitCodePath = code:get_path(),
true = code:add_patha(?EUNIT_DIR),
%% Enable verbose in eunit if so requested..
case rebar_config:is_verbose() of
true ->
BaseOpts = [verbose];
false ->
BaseOpts = []
end,
%% If cover support is requested, set it up
case rebar_config:get(Config, cover_enabled, false) of
true ->
cover_init(Config);
_ ->
ok
end,
%% Move down into ?EUNIT_DIR while we run tests so any generated files
%% are created there (versus in the source dir)
Cwd = rebar_utils:get_cwd(),
file:set_cwd(?EUNIT_DIR),
%% Run eunit
EunitOpts = BaseOpts ++ rebar_config:get_list(Config, eunit_opts, []),
EunitResult = (catch eunit:test(Modules, EunitOpts)),
%% Return to original working dir
file:set_cwd(Cwd),
%% Analyze cover modules
cover_analyze(Config, cover:modules()),
case EunitResult of
ok ->
ok;
_ ->
?CONSOLE("One or more eunit tests failed.\n", []),
?FAIL
end,
%% Restore code path
true = code:set_path(InitCodePath),
ok.
clean(_Config, _File) ->
rebar_file_utils:rm_rf(?EUNIT_DIR).
%% ===================================================================
%% Internal functions
%% ===================================================================
compile_erl(Source, Config) ->
case is_quickcheck_avail() of
true ->
EqcOpts = [{d, 'EQC'}];
false ->
EqcOpts = []
end,
ErlOpts = rebar_config:get_list(Config, erl_opts, []),
EunitOpts = rebar_config:get_list(Config, eunit_compile_opts, []),
Opts = [{i, "include"}, {outdir, ?EUNIT_DIR}, {d, 'TEST'}, debug_info, report] ++
ErlOpts ++ EunitOpts ++ EqcOpts,
case compile:file(Source, Opts) of
{ok, _} ->
ok;
error ->
?FAIL
end.
is_quickcheck_avail() ->
case erlang:get(is_quickcheck_avail) of
undefined ->
case code:lib_dir(eqc, include) of
{error, bad_name} ->
IsAvail = false;
Dir ->
IsAvail = filelib:is_file(filename:join(Dir, "eqc.hrl"))
end,
erlang:put(is_quickcheck_avail, IsAvail),
?DEBUG("Quickcheck availability: ~p\n", [IsAvail]),
IsAvail;
IsAvail ->
IsAvail
end.
cover_init(_Config) ->
%% Make sure any previous runs of cover don't unduly influence
cover:reset(),
?INFO("Cover compiling ~s\n", [rebar_utils:get_cwd()]),
case cover:compile_beam_directory(?EUNIT_DIR) of
{error, Reason2} ->
?ERROR("Cover compilation failed: ~p\n", [Reason2]),
?FAIL;
Modules ->
%% It's not an error for cover compilation to fail partially, but we do want
%% to warn about them
[?CONSOLE("Cover compilation warning: ~p", [Desc]) || {error, Desc} <- Modules],
%% Identify the modules that were compiled successfully
case [ M || {ok, M} <- Modules] of
[] ->
%% No modules compiled successfully...fail
?ERROR("Cover failed to compile any modules; aborting.\n", []),
?FAIL;
_ ->
%% At least one module compiled successfully
ok
end
end.
cover_analyze(_Config, []) ->
ok;
cover_analyze(_Config, Modules) ->
%% Generate coverage info for all the cover-compiled modules
Coverage = [cover_analyze_mod(M) || M <- Modules],
%% Write index of coverage info
cover_write_index(lists:sort(Coverage)),
%% Write coverage details for each file
[{ok, _} = cover:analyze_to_file(M, cover_file(M), [html]) || {M, _, _} <- Coverage],
Index = filename:join([rebar_utils:get_cwd(), ?EUNIT_DIR, "index.html"]),
?CONSOLE("Cover analysis: ~s\n", [Index]).
cover_analyze_mod(Module) ->
case cover:analyze(Module, coverage, module) of
{ok, {Module, {Covered, NotCovered}}} ->
{Module, Covered, NotCovered};
{error, Reason} ->
?ERROR("Cover analyze failed for ~p: ~p ~p\n",
[Module, Reason, code:which(Module)]),
{0,0}
end.
cover_write_index(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, F} = file:open(filename:join([?EUNIT_DIR, "index.html"]), [write]),
ok = file:write(F, "<html><head><title>Coverage Summary</title></head>\n"
"<body><h1>Coverage Summary</h1>\n"),
ok = file:write(F, ?FMT("<h3>Total: ~w%</h3>\n", [TotalCoverage])),
ok = file:write(F, "<table><tr><th>Module</th><th>Coverage %</th></tr>\n"),
[ok = file:write(F, ?FMT("<tr><td><a href='~s.COVER.html'>~s</a></td><td>~w%</td>\n",
[Module, Module, percentage(Cov, NotCov)])) ||
{Module, Cov, NotCov} <- Coverage],
ok = file:write(F, "</table></body></html>"),
file:close(F).
cover_file(Module) ->
filename:join([?EUNIT_DIR, atom_to_list(Module) ++ ".COVER.html"]).
percentage(Cov, NotCov) ->
trunc((Cov / (Cov + NotCov)) * 100).
|
