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
|
-module(rebar_deps_SUITE).
-compile(export_all).
-include_lib("common_test/include/ct.hrl").
-include_lib("eunit/include/eunit.hrl").
all() -> [{group, git}, {group, pkg}].
groups() ->
[{all, [], [flat, pick_highest_left, pick_highest_right,
pick_smallest1, pick_smallest2,
circular1, circular2, circular_skip]},
{git, [], [{group, all}]},
{pkg, [], [{group, all}]}].
init_per_suite(Config) ->
application:start(meck),
Config.
end_per_suite(_Config) ->
application:stop(meck).
init_per_group(git, Config) ->
[{deps_type, git} | Config];
init_per_group(pkg, Config) ->
[{deps_type, pkg} | Config];
init_per_group(_, Config) ->
Config.
end_per_group(_, Config) ->
Config.
init_per_testcase(Case, Config) ->
{Deps, Warnings, Expect} = deps(Case),
Expected = case Expect of
{ok, List} -> {ok, format_expected_deps(List)};
{error, Reason} -> {error, Reason}
end,
DepsType = ?config(deps_type, Config),
mock_warnings(),
[{expect, Expected},
{warnings, Warnings}
| setup_project(Case, Config, expand_deps(DepsType, Deps))].
end_per_testcase(_, Config) ->
meck:unload(),
Config.
format_expected_deps(Deps) ->
[case Dep of
{N,V} -> {dep, N, V};
N -> {dep, N}
end || Dep <- Deps].
%% format:
%% {Spec,
%% [Warning],
%% {ok, Result} | {error, Reason}}
%%
%% Spec is a list of levelled dependencies of two possible forms:
%% - {"Name", Spec}
%% - {"Name", "Vsn", Spec}
%%
%% Warnings are going to match on mocked ?WARN(...)
%% calls to be evaluated. An empty list means we do not care about
%% warnings, not that no warnings will be printed. This means
%% the list of warning isn't interpreted to be exhaustive, and more
%% warnings may be generated than are listed.
deps(flat) ->
{[{"B", []},
{"C", []}],
[],
{ok, ["B", "C"]}};
deps(pick_highest_left) ->
{[{"B", [{"C", "2", []}]},
{"C", "1", []}],
[{"C","2"}],
{ok, ["B", {"C", "1"}]}};
deps(pick_highest_right) ->
{[{"B", "1", []},
{"C", [{"B", "2", []}]}],
[{"B","2"}],
{ok, [{"B","1"}, "C"]}};
deps(pick_smallest1) ->
{[{"B", [{"D", "1", []}]},
{"C", [{"D", "2", []}]}],
[{"D","2"}],
%% we pick D1 because B < C
{ok, ["B","C",{"D","1"}]}};
deps(pick_smallest2) ->
{[{"C", [{"D", "2", []}]},
{"B", [{"D", "1", []}]}],
[{"D","2"}],
%% we pick D1 because B < C
{ok, ["B","C",{"D","1"}]}};
deps(circular1) ->
{[{"B", [{"A", []}]}, % A is the top-level app
{"C", []}],
[],
{error, {rebar_prv_install_deps, {cycles, [[<<"A">>,<<"B">>]]}}}};
deps(circular2) ->
{[{"B", [{"C", [{"B", []}]}]},
{"C", []}],
[],
{error, {rebar_prv_install_deps, {cycles, [[<<"B">>,<<"C">>]]}}}};
deps(circular_skip) ->
%% Never spot the circular dep due to being to low in the deps tree
%% in source deps
{[{"B", [{"C", "2", [{"B", []}]}]},
{"C", "1", [{"D",[]}]}],
[{"C","2"}],
{ok, ["B", {"C","1"}, "D"]}}.
expand_deps(_, []) -> [];
expand_deps(git, [{Name, Deps} | Rest]) ->
Dep = {Name, ".*", {git, "https://example.org/user/"++Name++".git", "master"}},
[{Dep, expand_deps(git, Deps)} | expand_deps(git, Rest)];
expand_deps(git, [{Name, Vsn, Deps} | Rest]) ->
Dep = {Name, Vsn, {git, "https://example.org/user/"++Name++".git", {tag, Vsn}}},
[{Dep, expand_deps(git, Deps)} | expand_deps(git, Rest)];
expand_deps(pkg, [{Name, Deps} | Rest]) ->
Dep = {pkg, Name, "0.0.0"},
[{Dep, expand_deps(pkg, Deps)} | expand_deps(pkg, Rest)];
expand_deps(pkg, [{Name, Vsn, Deps} | Rest]) ->
Dep = {pkg, Name, Vsn},
[{Dep, expand_deps(pkg, Deps)} | expand_deps(pkg, Rest)].
setup_project(Case, Config0, Deps) ->
DepsType = ?config(deps_type, Config0),
Config = rebar_test_utils:init_rebar_state(
Config0,
atom_to_list(Case)++"_"++atom_to_list(DepsType)++"_"
),
AppDir = ?config(apps, Config),
rebar_test_utils:create_app(AppDir, "A", "0.0.0", [kernel, stdlib]),
TopDeps = top_level_deps(Deps),
RebarConf = rebar_test_utils:create_config(AppDir, [{deps, TopDeps}]),
case DepsType of
git ->
mock_git_resource:mock([{deps, flat_deps(Deps)}]);
pkg ->
mock_pkg_resource:mock([{pkgdeps, flat_pkgdeps(Deps)}])
end,
[{rebarconfig, RebarConf} | Config].
flat_deps([]) -> [];
flat_deps([{{Name,_Vsn,Ref}, Deps} | Rest]) ->
[{{Name,vsn_from_ref(Ref)}, top_level_deps(Deps)}]
++
flat_deps(Deps)
++
flat_deps(Rest).
vsn_from_ref({git, _, {_, Vsn}}) -> Vsn;
vsn_from_ref({git, _, Vsn}) -> Vsn.
flat_pkgdeps([]) -> [];
flat_pkgdeps([{{pkg, Name, Vsn}, Deps} | Rest]) ->
[{{iolist_to_binary(Name),iolist_to_binary(Vsn)}, top_level_deps(Deps)}]
++
flat_pkgdeps(Deps)
++
flat_pkgdeps(Rest).
top_level_deps([]) -> [];
top_level_deps([{{pkg, Name, Vsn}, _} | Deps]) ->
[{list_to_atom(Name), Vsn} | top_level_deps(Deps)];
top_level_deps([{{Name, Vsn, Ref}, _} | Deps]) ->
[{list_to_atom(Name), Vsn, Ref} | top_level_deps(Deps)].
app_vsn([]) -> [];
app_vsn([{Source, Deps} | Rest]) ->
{Name, Vsn} = case Source of
{pkg, N, V} -> {N,V};
{N,V,_Ref} -> {N,V}
end,
[{Name, Vsn}] ++ app_vsn(Deps) ++ app_vsn(Rest).
mock_warnings() ->
%% just let it do its thing, we check warnings through
%% the call log.
meck:new(rebar_log, [no_link, passthrough]).
%%% TESTS %%%
flat(Config) -> run(Config).
pick_highest_left(Config) -> run(Config).
pick_highest_right(Config) -> run(Config).
pick_smallest1(Config) -> run(Config).
pick_smallest2(Config) -> run(Config).
circular1(Config) -> run(Config).
circular2(Config) -> run(Config).
circular_skip(Config) -> run(Config).
run(Config) ->
{ok, RebarConfig} = file:consult(?config(rebarconfig, Config)),
rebar_test_utils:run_and_check(
Config, RebarConfig, ["install_deps"], ?config(expect, Config)
),
check_warnings(warning_calls(), ?config(warnings, Config), ?config(deps_type, Config)).
warning_calls() ->
History = meck:history(rebar_log),
[{Str, Args} || {_, {rebar_log, log, [warn, Str, Args]}, _} <- History].
check_warnings(_, [], _) ->
ok;
check_warnings(Warns, [{Name, Vsn} | Rest], Type) ->
ct:pal("Checking for warning ~p in ~p", [{Name,Vsn},Warns]),
?assert(in_warnings(Type, Warns, Name, Vsn)),
check_warnings(Warns, Rest, Type).
in_warnings(git, Warns, NameRaw, VsnRaw) ->
Name = iolist_to_binary(NameRaw),
1 =< length([1 || {_, [AppName, {git, _, {_, Vsn}}]} <- Warns,
AppName =:= Name, Vsn =:= VsnRaw]);
in_warnings(pkg, Warns, NameRaw, VsnRaw) ->
Name = iolist_to_binary(NameRaw),
Vsn = iolist_to_binary(VsnRaw),
1 =< length([1 || {_, [AppName, AppVsn]} <- Warns,
AppName =:= Name, AppVsn =:= Vsn]).
|