aboutsummaryrefslogtreecommitdiffstats
path: root/lib/eunit/src/eunit_tty.erl
blob: 2c9a598628fb3dd18fef4be0bf96c8ecec40c64e (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
%% Licensed under the Apache License, Version 2.0 (the "License"); you may
%% not use this file except in compliance with the License. You may obtain
%% a copy of the License at <http://www.apache.org/licenses/LICENSE-2.0>
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% Alternatively, you may use this file under the terms of the GNU Lesser
%% General Public License (the "LGPL") as published by the Free Software
%% Foundation; either version 2.1, or (at your option) any later version.
%% If you wish to allow use of your version of this file only under the
%% terms of the LGPL, you should delete the provisions above and replace
%% them with the notice and other provisions required by the LGPL; see
%% <http://www.gnu.org/licenses/>. If you do not delete the provisions
%% above, a recipient may use your version of this file under the terms of
%% either the Apache License or the LGPL.
%%
%% @author Richard Carlsson <[email protected]>
%% @copyright 2006-2009 Richard Carlsson
%% @private
%% @see eunit
%% @doc Text-based frontend for EUnit

-module(eunit_tty).

-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]).

-record(state, {verbose = false,
		indent = 0
	       }).

start() ->
    start([]).

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

init(Options) ->
    St = #state{verbose = proplists:get_bool(verbose, Options)},
    put(no_tty, proplists:get_bool(no_tty, Options)),
    receive
	{start, _Reference} ->
	    if St#state.verbose -> print_header();
	       true -> ok
	    end,
	    St
    end.

terminate({ok, Data}, St) ->
    Pass = proplists:get_value(pass, Data, 0),
    Fail = proplists:get_value(fail, Data, 0),
    Skip = proplists:get_value(skip, Data, 0),
    Cancel = proplists:get_value(cancel, Data, 0),
    if Fail =:= 0, Skip =:= 0, Cancel =:= 0 ->
	    if Pass =:= 0 ->
		    fwrite("  There were no tests to run.\n");
	       true ->
		    if St#state.verbose -> print_bar();
		       true -> ok
		    end,
		    if Pass =:= 1 ->
			    fwrite("  Test passed.\n");
		       Pass =:= 2 ->
			    fwrite("  2 tests passed.\n");
		       true ->
			    fwrite("  All ~w tests passed.\n", [Pass])
		    end
	    end,
	    sync_end(ok);
       true ->
	    print_bar(),
	    fwrite("  Failed: ~w.  Skipped: ~w.  Passed: ~w.\n",
                   [Fail, Skip, Pass]),
	    if Cancel =/= 0 ->
		    fwrite("One or more tests were cancelled.\n");
	       true -> ok
	    end,
	    sync_end(error)
    end;
terminate({error, Reason}, _St) ->
    fwrite("Internal error: ~tP.\n", [Reason, 25]),
    sync_end(error).

sync_end(Result) ->
    receive
	{stop, Reference, ReplyTo} ->
	    ReplyTo ! {result, Reference, Result},
	    ok
    end.

print_header() ->
    fwrite("======================== EUnit ========================\n").

print_bar() ->
    fwrite("=======================================================\n").


handle_begin(group, Data, St) ->
    ?debugFmt("handle_begin group ~w", [Data]),
    Desc = proplists:get_value(desc, Data),
    if Desc =/= "", Desc =/= undefined, St#state.verbose ->
	    I = St#state.indent,
	    print_group_start(I, Desc),
	    St#state{indent = I + 1};
       true ->
	    St
    end;
handle_begin(test, Data, St) ->
    ?debugFmt("handle_begin test ~w", [Data]),
    if St#state.verbose -> print_test_begin(St#state.indent, Data);
       true -> ok
    end,
    St.

handle_end(group, Data, St) ->
    ?debugFmt("handle_end group ~w", [Data]),
    Desc = proplists:get_value(desc, Data),
    if Desc =/= "", Desc =/= undefined, St#state.verbose ->
	    Time = proplists:get_value(time, Data),
	    I = St#state.indent,
	    print_group_end(I, Time),
	    St#state{indent = I - 1};
       true ->
	    St
    end;
handle_end(test, Data, St) ->
    ?debugFmt("handle_end test ~w", [Data]),
    case proplists:get_value(status, Data) of
	ok ->
	    if St#state.verbose -> print_test_end(Data);
	       true -> ok
	    end,
	    St;
	Status ->
	    if St#state.verbose -> ok;
	       true -> print_test_begin(St#state.indent, Data)
	    end,
	    print_test_error(Status, Data),
	    St
    end.

handle_cancel(group, Data, St) ->
    ?debugFmt("handle_cancel group ~w", [Data]),
    I = St#state.indent,
    case proplists:get_value(reason, Data) of
	undefined ->
	    %% "skipped" message is not interesting here
	    St#state{indent = I - 1};
	Reason ->
	    Desc = proplists:get_value(desc, Data),
	    if Desc =/= "", Desc =/= undefined, St#state.verbose ->
		    print_group_cancel(I, Reason);
	       true ->
		    print_group_start(I, Desc),
		    print_group_cancel(I, Reason)
	    end,
	    St#state{indent = I - 1}
    end;
handle_cancel(test, Data, St) ->
    ?debugFmt("handle_cancel test ~w", [Data]),
    if St#state.verbose -> ok;
       true -> print_test_begin(St#state.indent, Data)
    end,
    print_test_cancel(proplists:get_value(reason, Data)),
    St.


indent(N) when is_integer(N), N >= 1 ->
    fwrite(lists:duplicate(N * 2, $\s));
indent(_N) ->
    ok.

print_group_start(I, Desc) ->
    indent(I),
    fwrite("~ts\n", [Desc]).

print_group_end(I, Time) ->
    if Time > 0 ->
	    indent(I),
	    fwrite("[done in ~.3f s]\n", [Time/1000]);
       true ->
	    ok
    end.

print_test_begin(I, Data) ->
    Desc = proplists:get_value(desc, Data),
    Line = proplists:get_value(line, Data, 0),
    indent(I),
    L = if Line =:= 0 -> "";
	   true -> io_lib:fwrite("~w:", [Line])
	end,
    D = if Desc =:= "" ; Desc =:= undefined -> "";
	   true -> io_lib:fwrite(" (~ts)", [Desc])
	end,
    case proplists:get_value(source, Data) of
	{Module, Name, _Arity} ->
	    fwrite("~ts:~ts ~ts~ts...", [Module, L, Name, D]);
	_ ->
	    fwrite("~ts~ts...", [L, D])
    end.

print_test_end(Data) ->
    Time = proplists:get_value(time, Data, 0),
    T = if Time > 0 -> io_lib:fwrite("[~.3f s] ", [Time/1000]);
	   true -> ""
	end,
    fwrite("~tsok\n", [T]).

print_test_error({error, Exception}, Data) ->
    Output = proplists:get_value(output, Data),
    fwrite("*failed*\n~ts", [eunit_lib:format_exception(Exception)]),
    case Output of
	<<>> ->
	    fwrite("\n\n");
	<<Text:800/binary, _:1/binary, _/binary>> ->
	    fwrite("  output:<<\"~ts\">>...\n\n", [Text]);
	_ ->
	    fwrite("  output:<<\"~ts\">>\n\n", [Output])
    end;
print_test_error({skipped, Reason}, _) ->
    fwrite("*did not run*\n::~ts\n", [format_skipped(Reason)]).

format_skipped({module_not_found, M}) ->
    io_lib:fwrite("missing module: ~w", [M]);
format_skipped({no_such_function, {M,F,A}}) ->
    io_lib:fwrite("no such function: ~w:~tw/~w", [M,F,A]).

print_test_cancel(Reason) ->
    fwrite(format_cancel(Reason)).

print_group_cancel(_I, {blame, _}) ->
    ok;
print_group_cancel(I, Reason) ->
    indent(I),
    fwrite(format_cancel(Reason)).

format_cancel(undefined) ->
    "*skipped*\n";
format_cancel(timeout) ->
    "*timed out*\n";
format_cancel({startup, Reason}) ->
    io_lib:fwrite("*could not start test process*\n::~tP\n\n",
		  [Reason, 15]);
format_cancel({blame, _SubId}) ->
    "*cancelled because of subtask*\n";
format_cancel({exit, Reason}) ->
    io_lib:fwrite("*unexpected termination of test process*\n::~tP\n\n",
		  [Reason, 15]);
format_cancel({abort, Reason}) ->
    eunit_lib:format_error(Reason).

fwrite(String) ->
    fwrite(String, []).

fwrite(String, Args) ->
    case get(no_tty) of
        false -> io:fwrite(String, Args);
        true -> ok
    end.