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// Copyright 2018 Google Inc. All rights reserved.
//
// 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.
package android
import (
"testing"
"github.com/google/blueprint"
)
var neverallowTests = []struct {
// The name of the test.
name string
// Optional test specific rules. If specified then they are used instead of the default rules.
rules []Rule
// Additional contents to add to the virtual filesystem used by the tests.
fs MockFS
// The expected error patterns. If empty then no errors are expected, otherwise each error
// reported must be matched by at least one of these patterns. A pattern matches if the error
// message contains the pattern. A pattern does not have to match the whole error message.
expectedErrors []string
}{
// Test General Functionality
// in direct deps tests
{
name: "not_allowed_in_direct_deps",
rules: []Rule{
NeverAllow().InDirectDeps("not_allowed_in_direct_deps"),
},
fs: map[string][]byte{
"top/Android.bp": []byte(`
cc_library {
name: "not_allowed_in_direct_deps",
}`),
"other/Android.bp": []byte(`
cc_library {
name: "libother",
static_libs: ["not_allowed_in_direct_deps"],
}`),
},
expectedErrors: []string{
`module "libother": violates neverallow deps:not_allowed_in_direct_deps`,
},
},
// Test android specific rules
// include_dir rule tests
{
name: "include_dir not allowed to reference art",
fs: map[string][]byte{
"other/Android.bp": []byte(`
cc_library {
name: "libother",
include_dirs: ["art/libdexfile/include"],
}`),
},
expectedErrors: []string{
"all usages of 'art' have been migrated",
},
},
{
name: "include_dir not allowed to reference art",
fs: map[string][]byte{
"system/libfmq/Android.bp": []byte(`
cc_library {
name: "libother",
include_dirs: ["any/random/file"],
}`),
},
expectedErrors: []string{
"all usages of them in 'system/libfmq' have been migrated",
},
},
{
name: "include_dir can work",
fs: map[string][]byte{
"other/Android.bp": []byte(`
cc_library {
name: "libother",
include_dirs: ["another/include"],
}`),
},
},
// Treble rule tests
{
name: "no vndk.enabled under vendor directory",
fs: map[string][]byte{
"vendor/Android.bp": []byte(`
cc_library {
name: "libvndk",
vendor_available: true,
vndk: {
enabled: true,
},
}`),
},
expectedErrors: []string{
"VNDK can never contain a library that is device dependent",
},
},
{
name: "no vndk.enabled under device directory",
fs: map[string][]byte{
"device/Android.bp": []byte(`
cc_library {
name: "libvndk",
vendor_available: true,
vndk: {
enabled: true,
},
}`),
},
expectedErrors: []string{
"VNDK can never contain a library that is device dependent",
},
},
{
name: "vndk-ext under vendor or device directory",
fs: map[string][]byte{
"device/Android.bp": []byte(`
cc_library {
name: "libvndk1_ext",
vendor: true,
vndk: {
enabled: true,
},
}`),
"vendor/Android.bp": []byte(`
cc_library {
name: "libvndk2_ext",
vendor: true,
vndk: {
enabled: true,
},
}`),
},
},
{
name: "no enforce_vintf_manifest.cflags",
fs: map[string][]byte{
"Android.bp": []byte(`
cc_library {
name: "libexample",
product_variables: {
enforce_vintf_manifest: {
cflags: ["-DSHOULD_NOT_EXIST"],
},
},
}`),
},
expectedErrors: []string{
"manifest enforcement should be independent",
},
},
{
name: "no treble_linker_namespaces.cflags",
fs: map[string][]byte{
"Android.bp": []byte(`
cc_library {
name: "libexample",
product_variables: {
treble_linker_namespaces: {
cflags: ["-DSHOULD_NOT_EXIST"],
},
},
}`),
},
expectedErrors: []string{
"nothing should care if linker namespaces are enabled or not",
},
},
{
name: "libc_bionic_ndk treble_linker_namespaces.cflags",
fs: map[string][]byte{
"Android.bp": []byte(`
cc_library {
name: "libc_bionic_ndk",
product_variables: {
treble_linker_namespaces: {
cflags: ["-DSHOULD_NOT_EXIST"],
},
},
}`),
},
},
{
name: "java_device_for_host",
fs: map[string][]byte{
"Android.bp": []byte(`
java_device_for_host {
name: "device_for_host",
libs: ["core-libart"],
}`),
},
expectedErrors: []string{
"java_device_for_host can only be used in allowed projects",
},
},
// CC sdk rule tests
{
name: `"sdk_variant_only" outside allowed list`,
fs: map[string][]byte{
"Android.bp": []byte(`
cc_library {
name: "outside_allowed_list",
sdk_version: "current",
sdk_variant_only: true,
}`),
},
expectedErrors: []string{
`module "outside_allowed_list": violates neverallow`,
},
},
{
name: `"sdk_variant_only: false" outside allowed list`,
fs: map[string][]byte{
"Android.bp": []byte(`
cc_library {
name: "outside_allowed_list",
sdk_version: "current",
sdk_variant_only: false,
}`),
},
expectedErrors: []string{
`module "outside_allowed_list": violates neverallow`,
},
},
{
name: `"platform" outside allowed list`,
fs: map[string][]byte{
"Android.bp": []byte(`
cc_library {
name: "outside_allowed_list",
platform: {
shared_libs: ["libfoo"],
},
}`),
},
expectedErrors: []string{
`module "outside_allowed_list": violates neverallow`,
},
},
{
name: "uncompress_dex inside art",
fs: map[string][]byte{
"art/Android.bp": []byte(`
java_library {
name: "inside_art_libraries",
uncompress_dex: true,
}`),
},
},
{
name: "uncompress_dex outside art",
fs: map[string][]byte{
"other/Android.bp": []byte(`
java_library {
name: "outside_art_libraries",
uncompress_dex: true,
}`),
},
expectedErrors: []string{
"module \"outside_art_libraries\": violates neverallow",
},
},
{
name: "disallowed makefile_goal",
fs: map[string][]byte{
"Android.bp": []byte(`
makefile_goal {
name: "foo",
product_out_path: "boot/trap.img"
}
`),
},
expectedErrors: []string{
"Only boot images may be imported as a makefile goal.",
},
},
}
var prepareForNeverAllowTest = GroupFixturePreparers(
FixtureRegisterWithContext(func(ctx RegistrationContext) {
ctx.RegisterModuleType("cc_library", newMockCcLibraryModule)
ctx.RegisterModuleType("java_library", newMockJavaLibraryModule)
ctx.RegisterModuleType("java_library_host", newMockJavaLibraryModule)
ctx.RegisterModuleType("java_device_for_host", newMockJavaLibraryModule)
ctx.RegisterModuleType("makefile_goal", newMockMakefileGoalModule)
}),
)
func TestNeverallow(t *testing.T) {
for _, test := range neverallowTests {
t.Run(test.name, func(t *testing.T) {
GroupFixturePreparers(
prepareForNeverAllowTest,
PrepareForTestWithNeverallowRules(test.rules),
test.fs.AddToFixture(),
).
ExtendWithErrorHandler(FixtureExpectsAllErrorsToMatchAPattern(test.expectedErrors)).
RunTest(t)
})
}
}
type mockCcLibraryProperties struct {
Include_dirs []string
Vendor_available *bool
Static_libs []string
Sdk_version *string
Sdk_variant_only *bool
Vndk struct {
Enabled *bool
Support_system_process *bool
Extends *string
}
Product_variables struct {
Enforce_vintf_manifest struct {
Cflags []string
}
Treble_linker_namespaces struct {
Cflags []string
}
}
Platform struct {
Shared_libs []string
}
}
type mockCcLibraryModule struct {
ModuleBase
properties mockCcLibraryProperties
}
func newMockCcLibraryModule() Module {
m := &mockCcLibraryModule{}
m.AddProperties(&m.properties)
InitAndroidModule(m)
return m
}
type neverallowTestDependencyTag struct {
blueprint.BaseDependencyTag
name string
}
var staticDepTag = neverallowTestDependencyTag{name: "static"}
func (c *mockCcLibraryModule) DepsMutator(ctx BottomUpMutatorContext) {
for _, lib := range c.properties.Static_libs {
ctx.AddDependency(ctx.Module(), staticDepTag, lib)
}
}
func (p *mockCcLibraryModule) GenerateAndroidBuildActions(ModuleContext) {
}
type mockJavaLibraryProperties struct {
Libs []string
Sdk_version *string
Uncompress_dex *bool
}
type mockJavaLibraryModule struct {
ModuleBase
properties mockJavaLibraryProperties
}
func newMockJavaLibraryModule() Module {
m := &mockJavaLibraryModule{}
m.AddProperties(&m.properties)
InitAndroidModule(m)
return m
}
func (p *mockJavaLibraryModule) GenerateAndroidBuildActions(ModuleContext) {
}
type mockMakefileGoalProperties struct {
Product_out_path *string
}
type mockMakefileGoalModule struct {
ModuleBase
properties mockMakefileGoalProperties
}
func newMockMakefileGoalModule() Module {
m := &mockMakefileGoalModule{}
m.AddProperties(&m.properties)
InitAndroidModule(m)
return m
}
func (p *mockMakefileGoalModule) GenerateAndroidBuildActions(ModuleContext) {
}