8c3fec4c37
Previously, while sdk tests would pass the sdk code would often fail in androidmk processing. This change makes the tests more realistic and will catch the errors earlier. Bug: 142935992 Test: m nothing Change-Id: Ifd0b2d7cf24e941c919f6b6e0beb2403a67d4308
470 lines
15 KiB
Go
470 lines
15 KiB
Go
// Copyright 2017 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package android
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import (
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"fmt"
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"path/filepath"
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"regexp"
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"strings"
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"testing"
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"github.com/google/blueprint"
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)
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func NewTestContext() *TestContext {
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namespaceExportFilter := func(namespace *Namespace) bool {
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return true
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}
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nameResolver := NewNameResolver(namespaceExportFilter)
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ctx := &TestContext{
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Context: &Context{blueprint.NewContext()},
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NameResolver: nameResolver,
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}
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ctx.SetNameInterface(nameResolver)
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ctx.postDeps = append(ctx.postDeps, registerPathDepsMutator)
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return ctx
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}
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func NewTestArchContext() *TestContext {
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ctx := NewTestContext()
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ctx.preDeps = append(ctx.preDeps, registerArchMutator)
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return ctx
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}
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type TestContext struct {
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*Context
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preArch, preDeps, postDeps, finalDeps []RegisterMutatorFunc
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NameResolver *NameResolver
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config Config
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}
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func (ctx *TestContext) PreArchMutators(f RegisterMutatorFunc) {
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ctx.preArch = append(ctx.preArch, f)
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}
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func (ctx *TestContext) HardCodedPreArchMutators(f RegisterMutatorFunc) {
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// Register mutator function as normal for testing.
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ctx.PreArchMutators(f)
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}
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func (ctx *TestContext) PreDepsMutators(f RegisterMutatorFunc) {
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ctx.preDeps = append(ctx.preDeps, f)
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}
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func (ctx *TestContext) PostDepsMutators(f RegisterMutatorFunc) {
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ctx.postDeps = append(ctx.postDeps, f)
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}
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func (ctx *TestContext) FinalDepsMutators(f RegisterMutatorFunc) {
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ctx.finalDeps = append(ctx.finalDeps, f)
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}
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func (ctx *TestContext) Register(config Config) {
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ctx.SetFs(config.fs)
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if config.mockBpList != "" {
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ctx.SetModuleListFile(config.mockBpList)
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}
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registerMutators(ctx.Context.Context, ctx.preArch, ctx.preDeps, ctx.postDeps, ctx.finalDeps)
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ctx.RegisterSingletonType("env", EnvSingleton)
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ctx.config = config
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}
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func (ctx *TestContext) ParseFileList(rootDir string, filePaths []string) (deps []string, errs []error) {
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// This function adapts the old style ParseFileList calls that are spread throughout the tests
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// to the new style that takes a config.
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return ctx.Context.ParseFileList(rootDir, filePaths, ctx.config)
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}
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func (ctx *TestContext) ParseBlueprintsFiles(rootDir string) (deps []string, errs []error) {
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// This function adapts the old style ParseBlueprintsFiles calls that are spread throughout the
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// tests to the new style that takes a config.
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return ctx.Context.ParseBlueprintsFiles(rootDir, ctx.config)
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}
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func (ctx *TestContext) RegisterModuleType(name string, factory ModuleFactory) {
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ctx.Context.RegisterModuleType(name, ModuleFactoryAdaptor(factory))
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}
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func (ctx *TestContext) RegisterSingletonType(name string, factory SingletonFactory) {
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ctx.Context.RegisterSingletonType(name, SingletonFactoryAdaptor(factory))
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}
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func (ctx *TestContext) ModuleForTests(name, variant string) TestingModule {
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var module Module
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ctx.VisitAllModules(func(m blueprint.Module) {
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if ctx.ModuleName(m) == name && ctx.ModuleSubDir(m) == variant {
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module = m.(Module)
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}
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})
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if module == nil {
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// find all the modules that do exist
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allModuleNames := []string{}
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ctx.VisitAllModules(func(m blueprint.Module) {
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allModuleNames = append(allModuleNames, m.(Module).Name()+"("+ctx.ModuleSubDir(m)+")")
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})
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panic(fmt.Errorf("failed to find module %q variant %q."+
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"\nall modules: %v", name, variant, allModuleNames))
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}
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return TestingModule{module}
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}
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func (ctx *TestContext) ModuleVariantsForTests(name string) []string {
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var variants []string
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ctx.VisitAllModules(func(m blueprint.Module) {
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if ctx.ModuleName(m) == name {
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variants = append(variants, ctx.ModuleSubDir(m))
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}
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})
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return variants
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}
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// SingletonForTests returns a TestingSingleton for the singleton registered with the given name.
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func (ctx *TestContext) SingletonForTests(name string) TestingSingleton {
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allSingletonNames := []string{}
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for _, s := range ctx.Singletons() {
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n := ctx.SingletonName(s)
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if n == name {
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return TestingSingleton{
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singleton: s.(*singletonAdaptor).Singleton,
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provider: s.(testBuildProvider),
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}
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}
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allSingletonNames = append(allSingletonNames, n)
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}
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panic(fmt.Errorf("failed to find singleton %q."+
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"\nall singletons: %v", name, allSingletonNames))
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}
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type testBuildProvider interface {
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BuildParamsForTests() []BuildParams
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RuleParamsForTests() map[blueprint.Rule]blueprint.RuleParams
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}
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type TestingBuildParams struct {
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BuildParams
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RuleParams blueprint.RuleParams
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}
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func newTestingBuildParams(provider testBuildProvider, bparams BuildParams) TestingBuildParams {
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return TestingBuildParams{
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BuildParams: bparams,
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RuleParams: provider.RuleParamsForTests()[bparams.Rule],
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}
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}
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func maybeBuildParamsFromRule(provider testBuildProvider, rule string) TestingBuildParams {
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for _, p := range provider.BuildParamsForTests() {
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if strings.Contains(p.Rule.String(), rule) {
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return newTestingBuildParams(provider, p)
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}
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}
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return TestingBuildParams{}
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}
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func buildParamsFromRule(provider testBuildProvider, rule string) TestingBuildParams {
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p := maybeBuildParamsFromRule(provider, rule)
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if p.Rule == nil {
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panic(fmt.Errorf("couldn't find rule %q", rule))
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}
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return p
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}
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func maybeBuildParamsFromDescription(provider testBuildProvider, desc string) TestingBuildParams {
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for _, p := range provider.BuildParamsForTests() {
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if strings.Contains(p.Description, desc) {
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return newTestingBuildParams(provider, p)
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}
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}
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return TestingBuildParams{}
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}
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func buildParamsFromDescription(provider testBuildProvider, desc string) TestingBuildParams {
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p := maybeBuildParamsFromDescription(provider, desc)
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if p.Rule == nil {
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panic(fmt.Errorf("couldn't find description %q", desc))
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}
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return p
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}
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func maybeBuildParamsFromOutput(provider testBuildProvider, file string) (TestingBuildParams, []string) {
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var searchedOutputs []string
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for _, p := range provider.BuildParamsForTests() {
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outputs := append(WritablePaths(nil), p.Outputs...)
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outputs = append(outputs, p.ImplicitOutputs...)
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if p.Output != nil {
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outputs = append(outputs, p.Output)
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}
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for _, f := range outputs {
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if f.String() == file || f.Rel() == file {
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return newTestingBuildParams(provider, p), nil
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}
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searchedOutputs = append(searchedOutputs, f.Rel())
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}
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}
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return TestingBuildParams{}, searchedOutputs
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}
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func buildParamsFromOutput(provider testBuildProvider, file string) TestingBuildParams {
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p, searchedOutputs := maybeBuildParamsFromOutput(provider, file)
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if p.Rule == nil {
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panic(fmt.Errorf("couldn't find output %q.\nall outputs: %v",
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file, searchedOutputs))
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}
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return p
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}
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func allOutputs(provider testBuildProvider) []string {
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var outputFullPaths []string
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for _, p := range provider.BuildParamsForTests() {
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outputs := append(WritablePaths(nil), p.Outputs...)
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outputs = append(outputs, p.ImplicitOutputs...)
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if p.Output != nil {
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outputs = append(outputs, p.Output)
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}
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outputFullPaths = append(outputFullPaths, outputs.Strings()...)
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}
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return outputFullPaths
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}
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// TestingModule is wrapper around an android.Module that provides methods to find information about individual
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// ctx.Build parameters for verification in tests.
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type TestingModule struct {
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module Module
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}
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// Module returns the Module wrapped by the TestingModule.
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func (m TestingModule) Module() Module {
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return m.module
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}
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// MaybeRule finds a call to ctx.Build with BuildParams.Rule set to a rule with the given name. Returns an empty
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// BuildParams if no rule is found.
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func (m TestingModule) MaybeRule(rule string) TestingBuildParams {
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return maybeBuildParamsFromRule(m.module, rule)
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}
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// Rule finds a call to ctx.Build with BuildParams.Rule set to a rule with the given name. Panics if no rule is found.
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func (m TestingModule) Rule(rule string) TestingBuildParams {
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return buildParamsFromRule(m.module, rule)
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}
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// MaybeDescription finds a call to ctx.Build with BuildParams.Description set to a the given string. Returns an empty
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// BuildParams if no rule is found.
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func (m TestingModule) MaybeDescription(desc string) TestingBuildParams {
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return maybeBuildParamsFromDescription(m.module, desc)
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}
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// Description finds a call to ctx.Build with BuildParams.Description set to a the given string. Panics if no rule is
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// found.
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func (m TestingModule) Description(desc string) TestingBuildParams {
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return buildParamsFromDescription(m.module, desc)
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}
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// MaybeOutput finds a call to ctx.Build with a BuildParams.Output or BuildParams.Outputs whose String() or Rel()
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// value matches the provided string. Returns an empty BuildParams if no rule is found.
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func (m TestingModule) MaybeOutput(file string) TestingBuildParams {
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p, _ := maybeBuildParamsFromOutput(m.module, file)
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return p
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}
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// Output finds a call to ctx.Build with a BuildParams.Output or BuildParams.Outputs whose String() or Rel()
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// value matches the provided string. Panics if no rule is found.
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func (m TestingModule) Output(file string) TestingBuildParams {
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return buildParamsFromOutput(m.module, file)
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}
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// AllOutputs returns all 'BuildParams.Output's and 'BuildParams.Outputs's in their full path string forms.
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func (m TestingModule) AllOutputs() []string {
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return allOutputs(m.module)
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}
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// TestingSingleton is wrapper around an android.Singleton that provides methods to find information about individual
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// ctx.Build parameters for verification in tests.
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type TestingSingleton struct {
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singleton Singleton
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provider testBuildProvider
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}
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// Singleton returns the Singleton wrapped by the TestingSingleton.
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func (s TestingSingleton) Singleton() Singleton {
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return s.singleton
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}
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// MaybeRule finds a call to ctx.Build with BuildParams.Rule set to a rule with the given name. Returns an empty
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// BuildParams if no rule is found.
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func (s TestingSingleton) MaybeRule(rule string) TestingBuildParams {
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return maybeBuildParamsFromRule(s.provider, rule)
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}
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// Rule finds a call to ctx.Build with BuildParams.Rule set to a rule with the given name. Panics if no rule is found.
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func (s TestingSingleton) Rule(rule string) TestingBuildParams {
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return buildParamsFromRule(s.provider, rule)
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}
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// MaybeDescription finds a call to ctx.Build with BuildParams.Description set to a the given string. Returns an empty
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// BuildParams if no rule is found.
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func (s TestingSingleton) MaybeDescription(desc string) TestingBuildParams {
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return maybeBuildParamsFromDescription(s.provider, desc)
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}
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// Description finds a call to ctx.Build with BuildParams.Description set to a the given string. Panics if no rule is
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// found.
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func (s TestingSingleton) Description(desc string) TestingBuildParams {
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return buildParamsFromDescription(s.provider, desc)
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}
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// MaybeOutput finds a call to ctx.Build with a BuildParams.Output or BuildParams.Outputs whose String() or Rel()
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// value matches the provided string. Returns an empty BuildParams if no rule is found.
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func (s TestingSingleton) MaybeOutput(file string) TestingBuildParams {
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p, _ := maybeBuildParamsFromOutput(s.provider, file)
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return p
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}
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// Output finds a call to ctx.Build with a BuildParams.Output or BuildParams.Outputs whose String() or Rel()
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// value matches the provided string. Panics if no rule is found.
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func (s TestingSingleton) Output(file string) TestingBuildParams {
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return buildParamsFromOutput(s.provider, file)
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}
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// AllOutputs returns all 'BuildParams.Output's and 'BuildParams.Outputs's in their full path string forms.
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func (s TestingSingleton) AllOutputs() []string {
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return allOutputs(s.provider)
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}
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func FailIfErrored(t *testing.T, errs []error) {
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t.Helper()
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if len(errs) > 0 {
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for _, err := range errs {
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t.Error(err)
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}
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t.FailNow()
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}
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}
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func FailIfNoMatchingErrors(t *testing.T, pattern string, errs []error) {
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t.Helper()
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matcher, err := regexp.Compile(pattern)
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if err != nil {
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t.Errorf("failed to compile regular expression %q because %s", pattern, err)
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}
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found := false
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for _, err := range errs {
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if matcher.FindStringIndex(err.Error()) != nil {
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found = true
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break
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}
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}
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if !found {
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t.Errorf("missing the expected error %q (checked %d error(s))", pattern, len(errs))
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for i, err := range errs {
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t.Errorf("errs[%d] = %s", i, err)
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}
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}
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}
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func CheckErrorsAgainstExpectations(t *testing.T, errs []error, expectedErrorPatterns []string) {
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t.Helper()
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if expectedErrorPatterns == nil {
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FailIfErrored(t, errs)
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} else {
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for _, expectedError := range expectedErrorPatterns {
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FailIfNoMatchingErrors(t, expectedError, errs)
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}
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if len(errs) > len(expectedErrorPatterns) {
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t.Errorf("additional errors found, expected %d, found %d",
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len(expectedErrorPatterns), len(errs))
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for i, expectedError := range expectedErrorPatterns {
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t.Errorf("expectedErrors[%d] = %s", i, expectedError)
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}
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for i, err := range errs {
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t.Errorf("errs[%d] = %s", i, err)
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}
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}
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}
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}
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func SetInMakeForTests(config Config) {
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config.inMake = true
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}
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func AndroidMkEntriesForTest(t *testing.T, config Config, bpPath string, mod blueprint.Module) []AndroidMkEntries {
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var p AndroidMkEntriesProvider
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var ok bool
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if p, ok = mod.(AndroidMkEntriesProvider); !ok {
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t.Errorf("module does not implement AndroidMkEntriesProvider: " + mod.Name())
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}
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entriesList := p.AndroidMkEntries()
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for i, _ := range entriesList {
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entriesList[i].fillInEntries(config, bpPath, mod)
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}
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return entriesList
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}
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func AndroidMkDataForTest(t *testing.T, config Config, bpPath string, mod blueprint.Module) AndroidMkData {
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var p AndroidMkDataProvider
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var ok bool
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if p, ok = mod.(AndroidMkDataProvider); !ok {
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t.Errorf("module does not implement AndroidMkDataProvider: " + mod.Name())
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}
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data := p.AndroidMk()
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data.fillInData(config, bpPath, mod)
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return data
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}
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// Normalize the path for testing.
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//
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// If the path is relative to the build directory then return the relative path
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// to avoid tests having to deal with the dynamically generated build directory.
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//
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// Otherwise, return the supplied path as it is almost certainly a source path
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// that is relative to the root of the source tree.
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//
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// The build and source paths should be distinguishable based on their contents.
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func NormalizePathForTesting(path Path) string {
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p := path.String()
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if w, ok := path.(WritablePath); ok {
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rel, err := filepath.Rel(w.buildDir(), p)
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if err != nil {
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panic(err)
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}
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return rel
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}
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return p
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}
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func NormalizePathsForTesting(paths Paths) []string {
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var result []string
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for _, path := range paths {
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relative := NormalizePathForTesting(path)
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result = append(result, relative)
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}
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return result
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}
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