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// Copyright 2019 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 java
import (
"fmt"
"reflect"
"regexp"
"sort"
"strings"
"testing"
"android/soong/android"
"android/soong/cc"
"android/soong/dexpreopt"
"github.com/google/blueprint"
)
const defaultJavaDir = "default/java"
// Test fixture preparer that will register most java build components.
//
// Singletons and mutators should only be added here if they are needed for a majority of java
// module types, otherwise they should be added under a separate preparer to allow them to be
// selected only when needed to reduce test execution time.
//
// Module types do not have much of an overhead unless they are used so this should include as many
// module types as possible. The exceptions are those module types that require mutators and/or
// singletons in order to function in which case they should be kept together in a separate
// preparer.
var PrepareForTestWithJavaBuildComponents = android.GroupFixturePreparers(
// Make sure that mutators and module types, e.g. prebuilt mutators available.
android.PrepareForTestWithAndroidBuildComponents,
// Make java build components available to the test.
android.FixtureRegisterWithContext(registerRequiredBuildComponentsForTest),
android.FixtureRegisterWithContext(registerJavaPluginBuildComponents),
// Additional files needed in tests that disallow non-existent source files.
// This includes files that are needed by all, or at least most, instances of a java module type.
android.MockFS{
// Needed for linter used by java_library.
"build/soong/java/lint_defaults.txt": nil,
// Needed for apps that do not provide their own.
"build/make/target/product/security": nil,
}.AddToFixture(),
)
// Test fixture preparer that will define all default java modules except the
// fake_tool_binary for dex2oatd.
var PrepareForTestWithJavaDefaultModulesWithoutFakeDex2oatd = android.GroupFixturePreparers(
// Make sure that all the module types used in the defaults are registered.
PrepareForTestWithJavaBuildComponents,
// Additional files needed when test disallows non-existent source.
android.MockFS{
// Needed for framework-res
defaultJavaDir + "/AndroidManifest.xml": nil,
// Needed for framework
defaultJavaDir + "/framework/aidl": nil,
// Needed for various deps defined in GatherRequiredDepsForTest()
defaultJavaDir + "/a.java": nil,
}.AddToFixture(),
// The java default module definitions.
android.FixtureAddTextFile(defaultJavaDir+"/Android.bp", gatherRequiredDepsForTest()),
// Add dexpreopt compat libs (android.test.base, etc.) and a fake dex2oatd module.
dexpreopt.PrepareForTestWithDexpreoptCompatLibs,
)
// Test fixture preparer that will define default java modules, e.g. standard prebuilt modules.
var PrepareForTestWithJavaDefaultModules = android.GroupFixturePreparers(
PrepareForTestWithJavaDefaultModulesWithoutFakeDex2oatd,
dexpreopt.PrepareForTestWithFakeDex2oatd,
)
// Provides everything needed by dexpreopt.
var PrepareForTestWithDexpreopt = android.GroupFixturePreparers(
PrepareForTestWithJavaDefaultModules,
dexpreopt.PrepareForTestByEnablingDexpreopt,
)
var PrepareForTestWithOverlayBuildComponents = android.FixtureRegisterWithContext(registerOverlayBuildComponents)
// Prepare a fixture to use all java module types, mutators and singletons fully.
//
// This should only be used by tests that want to run with as much of the build enabled as possible.
var PrepareForIntegrationTestWithJava = android.GroupFixturePreparers(
cc.PrepareForIntegrationTestWithCc,
PrepareForTestWithJavaDefaultModules,
)
// Prepare a fixture with the standard files required by a java_sdk_library module.
var PrepareForTestWithJavaSdkLibraryFiles = android.FixtureMergeMockFs(android.MockFS{
"api/current.txt": nil,
"api/removed.txt": nil,
"api/system-current.txt": nil,
"api/system-removed.txt": nil,
"api/test-current.txt": nil,
"api/test-removed.txt": nil,
"api/module-lib-current.txt": nil,
"api/module-lib-removed.txt": nil,
"api/system-server-current.txt": nil,
"api/system-server-removed.txt": nil,
})
// FixtureWithLastReleaseApis creates a preparer that creates prebuilt versions of the specified
// modules for the `last` API release. By `last` it just means last in the list of supplied versions
// and as this only provides one version it can be any value.
//
// This uses FixtureWithPrebuiltApis under the covers so the limitations of that apply to this.
func FixtureWithLastReleaseApis(moduleNames ...string) android.FixturePreparer {
return FixtureWithPrebuiltApis(map[string][]string{
"30": moduleNames,
})
}
// PrepareForTestWithPrebuiltsOfCurrentApi is a preparer that creates prebuilt versions of the
// standard modules for the current version.
//
// This uses FixtureWithPrebuiltApis under the covers so the limitations of that apply to this.
var PrepareForTestWithPrebuiltsOfCurrentApi = FixtureWithPrebuiltApis(map[string][]string{
"current": {},
// Can't have current on its own as it adds a prebuilt_apis module but doesn't add any
// .txt files which causes the prebuilt_apis module to fail.
"30": {},
})
// FixtureWithPrebuiltApis creates a preparer that will define prebuilt api modules for the
// specified releases and modules.
//
// The supplied map keys are the releases, e.g. current, 29, 30, etc. The values are a list of
// modules for that release. Due to limitations in the prebuilt_apis module which this preparer
// uses the set of releases must include at least one numbered release, i.e. it cannot just include
// "current".
//
// This defines a file in the mock file system in a predefined location (prebuilts/sdk/Android.bp)
// and so only one instance of this can be used in each fixture.
func FixtureWithPrebuiltApis(release2Modules map[string][]string) android.FixturePreparer {
mockFS := android.MockFS{}
path := "prebuilts/sdk/Android.bp"
bp := fmt.Sprintf(`
prebuilt_apis {
name: "sdk",
api_dirs: ["%s"],
imports_sdk_version: "none",
imports_compile_dex: true,
}
`, strings.Join(android.SortedStringKeys(release2Modules), `", "`))
for release, modules := range release2Modules {
mockFS.Merge(prebuiltApisFilesForModules([]string{release}, modules))
}
return android.GroupFixturePreparers(
android.FixtureAddTextFile(path, bp),
android.FixtureMergeMockFs(mockFS),
)
}
func prebuiltApisFilesForModules(apiLevels []string, modules []string) map[string][]byte {
libs := append([]string{"android"}, modules...)
fs := make(map[string][]byte)
for _, level := range apiLevels {
apiLevel := android.ApiLevelForTest(level)
for _, sdkKind := range []android.SdkKind{android.SdkPublic, android.SdkSystem, android.SdkModule, android.SdkSystemServer, android.SdkTest} {
// A core-for-system-modules file must only be created for the sdk kind that supports it.
if sdkKind == systemModuleKind(sdkKind, apiLevel) {
fs[fmt.Sprintf("prebuilts/sdk/%s/%s/core-for-system-modules.jar", level, sdkKind)] = nil
}
for _, lib := range libs {
// Create a jar file for every library.
fs[fmt.Sprintf("prebuilts/sdk/%s/%s/%s.jar", level, sdkKind, lib)] = nil
// No finalized API files for "current"
if level != "current" {
fs[fmt.Sprintf("prebuilts/sdk/%s/%s/api/%s.txt", level, sdkKind, lib)] = nil
fs[fmt.Sprintf("prebuilts/sdk/%s/%s/api/%s-removed.txt", level, sdkKind, lib)] = nil
}
}
}
if level == "current" {
fs["prebuilts/sdk/current/core/android.jar"] = nil
}
fs[fmt.Sprintf("prebuilts/sdk/%s/public/framework.aidl", level)] = nil
}
return fs
}
// FixtureConfigureBootJars configures the boot jars in both the dexpreopt.GlobalConfig and
// Config.productVariables structs. As a side effect that enables dexpreopt.
func FixtureConfigureBootJars(bootJars ...string) android.FixturePreparer {
artBootJars := []string{}
for _, j := range bootJars {
artApex := false
for _, artApexName := range artApexNames {
if strings.HasPrefix(j, artApexName+":") {
artApex = true
break
}
}
if artApex {
artBootJars = append(artBootJars, j)
}
}
return android.GroupFixturePreparers(
android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
variables.BootJars = android.CreateTestConfiguredJarList(bootJars)
}),
dexpreopt.FixtureSetBootJars(bootJars...),
dexpreopt.FixtureSetArtBootJars(artBootJars...),
// Add a fake dex2oatd module.
dexpreopt.PrepareForTestWithFakeDex2oatd,
)
}
// FixtureConfigureApexBootJars configures the apex boot jars in both the
// dexpreopt.GlobalConfig and Config.productVariables structs. As a side effect that enables
// dexpreopt.
func FixtureConfigureApexBootJars(bootJars ...string) android.FixturePreparer {
return android.GroupFixturePreparers(
android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
variables.ApexBootJars = android.CreateTestConfiguredJarList(bootJars)
}),
dexpreopt.FixtureSetApexBootJars(bootJars...),
// Add a fake dex2oatd module.
dexpreopt.PrepareForTestWithFakeDex2oatd,
)
}
// FixtureUseLegacyCorePlatformApi prepares the fixture by setting the exception list of those
// modules that are allowed to use the legacy core platform API to be the ones supplied.
func FixtureUseLegacyCorePlatformApi(moduleNames ...string) android.FixturePreparer {
lookup := make(map[string]struct{})
for _, moduleName := range moduleNames {
lookup[moduleName] = struct{}{}
}
return android.FixtureModifyConfig(func(config android.Config) {
// Try and set the legacyCorePlatformApiLookup in the config, the returned value will be the
// actual value that is set.
cached := config.Once(legacyCorePlatformApiLookupKey, func() interface{} {
return lookup
})
// Make sure that the cached value is the one we need.
if !reflect.DeepEqual(cached, lookup) {
panic(fmt.Errorf("attempting to set legacyCorePlatformApiLookupKey to %q but it has already been set to %q", lookup, cached))
}
})
}
// registerRequiredBuildComponentsForTest registers the build components used by
// PrepareForTestWithJavaDefaultModules.
//
// As functionality is moved out of here into separate FixturePreparer instances they should also
// be moved into GatherRequiredDepsForTest for use by tests that have not yet switched to use test
// fixtures.
func registerRequiredBuildComponentsForTest(ctx android.RegistrationContext) {
RegisterAARBuildComponents(ctx)
RegisterAppBuildComponents(ctx)
RegisterAppImportBuildComponents(ctx)
RegisterAppSetBuildComponents(ctx)
registerBootclasspathBuildComponents(ctx)
registerBootclasspathFragmentBuildComponents(ctx)
RegisterDexpreoptBootJarsComponents(ctx)
RegisterDocsBuildComponents(ctx)
RegisterGenRuleBuildComponents(ctx)
registerJavaBuildComponents(ctx)
registerPlatformBootclasspathBuildComponents(ctx)
RegisterPrebuiltApisBuildComponents(ctx)
RegisterRuntimeResourceOverlayBuildComponents(ctx)
RegisterSdkLibraryBuildComponents(ctx)
RegisterStubsBuildComponents(ctx)
RegisterSystemModulesBuildComponents(ctx)
registerSystemserverClasspathBuildComponents(ctx)
registerLintBuildComponents(ctx)
}
// gatherRequiredDepsForTest gathers the module definitions used by
// PrepareForTestWithJavaDefaultModules.
//
// As functionality is moved out of here into separate FixturePreparer instances they should also
// be moved into GatherRequiredDepsForTest for use by tests that have not yet switched to use test
// fixtures.
func gatherRequiredDepsForTest() string {
var bp string
extraModules := []string{
"core-lambda-stubs",
"ext",
"android_stubs_current",
"android_system_stubs_current",
"android_test_stubs_current",
"android_module_lib_stubs_current",
"android_system_server_stubs_current",
"core.current.stubs",
"legacy.core.platform.api.stubs",
"stable.core.platform.api.stubs",
"kotlin-stdlib",
"kotlin-stdlib-jdk7",
"kotlin-stdlib-jdk8",
"kotlin-annotations",
"stub-annotations",
}
for _, extra := range extraModules {
bp += fmt.Sprintf(`
java_library {
name: "%s",
srcs: ["a.java"],
sdk_version: "none",
system_modules: "stable-core-platform-api-stubs-system-modules",
compile_dex: true,
}
`, extra)
}
bp += `
java_library {
name: "framework",
srcs: ["a.java"],
sdk_version: "none",
system_modules: "stable-core-platform-api-stubs-system-modules",
aidl: {
export_include_dirs: ["framework/aidl"],
},
}
android_app {
name: "framework-res",
sdk_version: "core_platform",
}`
systemModules := []string{
"core-public-stubs-system-modules",
"core-module-lib-stubs-system-modules",
"legacy-core-platform-api-stubs-system-modules",
"stable-core-platform-api-stubs-system-modules",
}
for _, extra := range systemModules {
bp += fmt.Sprintf(`
java_system_modules {
name: "%[1]s",
libs: ["%[1]s-lib"],
}
java_library {
name: "%[1]s-lib",
sdk_version: "none",
system_modules: "none",
}
`, extra)
}
// Make sure that the dex_bootjars singleton module is instantiated for the tests.
bp += `
dex_bootjars {
name: "dex_bootjars",
}
`
return bp
}
func CheckModuleDependencies(t *testing.T, ctx *android.TestContext, name, variant string, expected []string) {
t.Helper()
module := ctx.ModuleForTests(name, variant).Module()
deps := []string{}
ctx.VisitDirectDeps(module, func(m blueprint.Module) {
deps = append(deps, m.Name())
})
sort.Strings(deps)
if actual := deps; !reflect.DeepEqual(expected, actual) {
t.Errorf("expected %#q, found %#q", expected, actual)
}
}
// CheckPlatformBootclasspathModules returns the apex:module pair for the modules depended upon by
// the platform-bootclasspath module.
func CheckPlatformBootclasspathModules(t *testing.T, result *android.TestResult, name string, expected []string) {
t.Helper()
platformBootclasspath := result.Module(name, "android_common").(*platformBootclasspathModule)
pairs := ApexNamePairsFromModules(result.TestContext, platformBootclasspath.configuredModules)
android.AssertDeepEquals(t, fmt.Sprintf("%s modules", "platform-bootclasspath"), expected, pairs)
}
func CheckClasspathFragmentProtoContentInfoProvider(t *testing.T, result *android.TestResult, generated bool, contents, outputFilename, installDir string) {
t.Helper()
p := result.Module("platform-bootclasspath", "android_common").(*platformBootclasspathModule)
info := result.ModuleProvider(p, ClasspathFragmentProtoContentInfoProvider).(ClasspathFragmentProtoContentInfo)
android.AssertBoolEquals(t, "classpath proto generated", generated, info.ClasspathFragmentProtoGenerated)
android.AssertStringEquals(t, "classpath proto contents", contents, info.ClasspathFragmentProtoContents.String())
android.AssertStringEquals(t, "output filepath", outputFilename, info.ClasspathFragmentProtoOutput.Base())
android.AssertPathRelativeToTopEquals(t, "install filepath", installDir, info.ClasspathFragmentProtoInstallDir)
}
// ApexNamePairsFromModules returns the apex:module pair for the supplied modules.
func ApexNamePairsFromModules(ctx *android.TestContext, modules []android.Module) []string {
pairs := []string{}
for _, module := range modules {
pairs = append(pairs, apexNamePairFromModule(ctx, module))
}
return pairs
}
func apexNamePairFromModule(ctx *android.TestContext, module android.Module) string {
name := module.Name()
var apex string
apexInfo := ctx.ModuleProvider(module, android.ApexInfoProvider).(android.ApexInfo)
if apexInfo.IsForPlatform() {
apex = "platform"
} else {
apex = apexInfo.InApexVariants[0]
}
return fmt.Sprintf("%s:%s", apex, name)
}
// CheckPlatformBootclasspathFragments returns the apex:module pair for the fragments depended upon
// by the platform-bootclasspath module.
func CheckPlatformBootclasspathFragments(t *testing.T, result *android.TestResult, name string, expected []string) {
t.Helper()
platformBootclasspath := result.Module(name, "android_common").(*platformBootclasspathModule)
pairs := ApexNamePairsFromModules(result.TestContext, platformBootclasspath.fragments)
android.AssertDeepEquals(t, fmt.Sprintf("%s fragments", "platform-bootclasspath"), expected, pairs)
}
func CheckHiddenAPIRuleInputs(t *testing.T, message string, expected string, hiddenAPIRule android.TestingBuildParams) {
t.Helper()
inputs := android.Paths{}
if hiddenAPIRule.Input != nil {
inputs = append(inputs, hiddenAPIRule.Input)
}
inputs = append(inputs, hiddenAPIRule.Inputs...)
inputs = append(inputs, hiddenAPIRule.Implicits...)
inputs = android.SortedUniquePaths(inputs)
actual := strings.TrimSpace(strings.Join(inputs.RelativeToTop().Strings(), "\n"))
re := regexp.MustCompile(`\n\s+`)
expected = strings.TrimSpace(re.ReplaceAllString(expected, "\n"))
if actual != expected {
t.Errorf("Expected hiddenapi rule inputs - %s:\n%s\nactual inputs:\n%s", message, expected, actual)
}
}
// Check that the merged file create by platform_compat_config_singleton has the correct inputs.
func CheckMergedCompatConfigInputs(t *testing.T, result *android.TestResult, message string, expectedPaths ...string) {
sourceGlobalCompatConfig := result.SingletonForTests("platform_compat_config_singleton")
allOutputs := sourceGlobalCompatConfig.AllOutputs()
android.AssertIntEquals(t, message+": output len", 1, len(allOutputs))
output := sourceGlobalCompatConfig.Output(allOutputs[0])
android.AssertPathsRelativeToTopEquals(t, message+": inputs", expectedPaths, output.Implicits)
}
// Register the fake APEX mutator to `android.InitRegistrationContext` as if the real mutator exists
// at runtime. This must be called in `init()` of a test if the test is going to use the fake APEX
// mutator. Otherwise, we will be missing the runtime mutator because "soong-apex" is not a
// dependency, which will cause an inconsistency between testing and runtime mutators.
func RegisterFakeRuntimeApexMutator() {
registerFakeApexMutator(android.InitRegistrationContext)
}
var PrepareForTestWithFakeApexMutator = android.GroupFixturePreparers(
android.FixtureRegisterWithContext(registerFakeApexMutator),
)
func registerFakeApexMutator(ctx android.RegistrationContext) {
ctx.PostDepsMutators(func(ctx android.RegisterMutatorsContext) {
ctx.BottomUp("apex", fakeApexMutator).Parallel()
})
}
type apexModuleBase interface {
ApexAvailable() []string
}
var _ apexModuleBase = (*Library)(nil)
var _ apexModuleBase = (*SdkLibrary)(nil)
// A fake APEX mutator that creates a platform variant and an APEX variant for modules with
// `apex_available`. It helps us avoid a dependency on the real mutator defined in "soong-apex",
// which will cause a cyclic dependency, and it provides an easy way to create an APEX variant for
// testing without dealing with all the complexities in the real mutator.
func fakeApexMutator(mctx android.BottomUpMutatorContext) {
switch mctx.Module().(type) {
case *Library, *SdkLibrary:
if len(mctx.Module().(apexModuleBase).ApexAvailable()) > 0 {
modules := mctx.CreateVariations("", "apex1000")
apexInfo := android.ApexInfo{
ApexVariationName: "apex1000",
}
mctx.SetVariationProvider(modules[1], android.ApexInfoProvider, apexInfo)
}
}
}