1// Copyright 2019 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package android
16
17import (
18	"testing"
19)
20
21type defaultsTestProperties struct {
22	Foo []string
23}
24
25type defaultsTestModule struct {
26	ModuleBase
27	DefaultableModuleBase
28	properties defaultsTestProperties
29}
30
31func (d *defaultsTestModule) GenerateAndroidBuildActions(ctx ModuleContext) {
32	ctx.Build(pctx, BuildParams{
33		Rule:   Touch,
34		Output: PathForModuleOut(ctx, "out"),
35	})
36}
37
38func defaultsTestModuleFactory() Module {
39	module := &defaultsTestModule{}
40	module.AddProperties(&module.properties)
41	InitAndroidModule(module)
42	InitDefaultableModule(module)
43	return module
44}
45
46type defaultsTestDefaults struct {
47	ModuleBase
48	DefaultsModuleBase
49}
50
51func defaultsTestDefaultsFactory() Module {
52	defaults := &defaultsTestDefaults{}
53	defaults.AddProperties(&defaultsTestProperties{})
54	InitDefaultsModule(defaults)
55	return defaults
56}
57
58var prepareForDefaultsTest = GroupFixturePreparers(
59	PrepareForTestWithDefaults,
60	FixtureRegisterWithContext(func(ctx RegistrationContext) {
61		ctx.RegisterModuleType("test", defaultsTestModuleFactory)
62		ctx.RegisterModuleType("defaults", defaultsTestDefaultsFactory)
63	}),
64)
65
66func TestDefaults(t *testing.T) {
67	bp := `
68		defaults {
69			name: "transitive",
70			foo: ["transitive"],
71		}
72
73		defaults {
74			name: "defaults",
75			defaults: ["transitive"],
76			foo: ["defaults"],
77		}
78
79		test {
80			name: "foo",
81			defaults: ["defaults"],
82			foo: ["module"],
83		}
84	`
85
86	result := GroupFixturePreparers(
87		prepareForDefaultsTest,
88		FixtureWithRootAndroidBp(bp),
89	).RunTest(t)
90
91	foo := result.Module("foo", "").(*defaultsTestModule)
92
93	AssertDeepEquals(t, "foo", []string{"transitive", "defaults", "module"}, foo.properties.Foo)
94}
95
96func TestDefaultsAllowMissingDependencies(t *testing.T) {
97	bp := `
98		defaults {
99			name: "defaults",
100			defaults: ["missing"],
101			foo: ["defaults"],
102		}
103
104		test {
105			name: "missing_defaults",
106			defaults: ["missing"],
107			foo: ["module"],
108		}
109
110		test {
111			name: "missing_transitive_defaults",
112			defaults: ["defaults"],
113			foo: ["module"],
114		}
115	`
116
117	result := GroupFixturePreparers(
118		prepareForDefaultsTest,
119		PrepareForTestWithAllowMissingDependencies,
120		FixtureWithRootAndroidBp(bp),
121	).RunTest(t)
122
123	missingDefaults := result.ModuleForTests("missing_defaults", "").Output("out")
124	missingTransitiveDefaults := result.ModuleForTests("missing_transitive_defaults", "").Output("out")
125
126	AssertSame(t, "missing_defaults rule", ErrorRule, missingDefaults.Rule)
127
128	AssertStringEquals(t, "missing_defaults", "module missing_defaults missing dependencies: missing\n", missingDefaults.Args["error"])
129
130	// TODO: missing transitive defaults is currently not handled
131	_ = missingTransitiveDefaults
132}
133