327 lines
11 KiB
Go
327 lines
11 KiB
Go
// Copyright 2019 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 sdk
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import (
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"fmt"
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"path/filepath"
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"strings"
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"testing"
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"android/soong/android"
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"android/soong/apex"
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"android/soong/cc"
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"android/soong/genrule"
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"android/soong/java"
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)
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var sdkFixtureFactory = android.NewFixtureFactory(
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nil,
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apex.PrepareForTestWithApexBuildComponents,
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cc.PrepareForTestWithCcDefaultModules,
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genrule.PrepareForTestWithGenRuleBuildComponents,
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java.PrepareForTestWithJavaBuildComponents,
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PrepareForTestWithSdkBuildComponents,
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android.FixtureAddTextFile("sdk/tests/Android.bp", `
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apex_key {
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name: "myapex.key",
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public_key: "myapex.avbpubkey",
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private_key: "myapex.pem",
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}
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android_app_certificate {
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name: "myapex.cert",
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certificate: "myapex",
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}
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`),
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android.FixtureMergeMockFs(map[string][]byte{
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"build/make/target/product/security": nil,
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"apex_manifest.json": nil,
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"system/sepolicy/apex/myapex-file_contexts": nil,
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"system/sepolicy/apex/myapex2-file_contexts": nil,
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"system/sepolicy/apex/mysdkapex-file_contexts": nil,
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"myapex.avbpubkey": nil,
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"myapex.pem": nil,
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"myapex.x509.pem": nil,
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"myapex.pk8": nil,
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}),
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cc.PrepareForTestOnWindows,
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android.FixtureModifyConfig(func(config android.Config) {
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// Add windows as a default disable OS to test behavior when some OS variants
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// are disabled.
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config.Targets[android.Windows] = []android.Target{
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{android.Windows, android.Arch{ArchType: android.X86_64}, android.NativeBridgeDisabled, "", "", true},
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}
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}),
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)
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var PrepareForTestWithSdkBuildComponents = android.GroupFixturePreparers(
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android.FixtureRegisterWithContext(registerModuleExportsBuildComponents),
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android.FixtureRegisterWithContext(registerSdkBuildComponents),
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)
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func testSdkWithFs(t *testing.T, bp string, fs android.MockFS) *android.TestResult {
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t.Helper()
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return sdkFixtureFactory.RunTest(t, fs.AddToFixture(), android.FixtureWithRootAndroidBp(bp))
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}
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func testSdkError(t *testing.T, pattern, bp string) {
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t.Helper()
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sdkFixtureFactory.
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ExtendWithErrorHandler(android.FixtureExpectsAtLeastOneErrorMatchingPattern(pattern)).
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RunTestWithBp(t, bp)
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}
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func ensureListContains(t *testing.T, result []string, expected string) {
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t.Helper()
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if !android.InList(expected, result) {
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t.Errorf("%q is not found in %v", expected, result)
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}
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}
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func pathsToStrings(paths android.Paths) []string {
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var ret []string
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for _, p := range paths {
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ret = append(ret, p.String())
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}
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return ret
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}
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// Analyse the sdk build rules to extract information about what it is doing.
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//
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// e.g. find the src/dest pairs from each cp command, the various zip files
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// generated, etc.
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func getSdkSnapshotBuildInfo(t *testing.T, result *android.TestResult, sdk *sdk) *snapshotBuildInfo {
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info := &snapshotBuildInfo{
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t: t,
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r: result,
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androidBpContents: sdk.GetAndroidBpContentsForTests(),
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androidUnversionedBpContents: sdk.GetUnversionedAndroidBpContentsForTests(),
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androidVersionedBpContents: sdk.GetVersionedAndroidBpContentsForTests(),
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}
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buildParams := sdk.BuildParamsForTests()
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copyRules := &strings.Builder{}
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otherCopyRules := &strings.Builder{}
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snapshotDirPrefix := sdk.builderForTests.snapshotDir.String() + "/"
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for _, bp := range buildParams {
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switch bp.Rule.String() {
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case android.Cp.String():
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output := bp.Output
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// Get destination relative to the snapshot root
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dest := output.Rel()
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src := android.NormalizePathForTesting(bp.Input)
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// We differentiate between copy rules for the snapshot, and copy rules for the install file.
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if strings.HasPrefix(output.String(), snapshotDirPrefix) {
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// Get source relative to build directory.
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_, _ = fmt.Fprintf(copyRules, "%s -> %s\n", src, dest)
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info.snapshotContents = append(info.snapshotContents, dest)
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} else {
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_, _ = fmt.Fprintf(otherCopyRules, "%s -> %s\n", src, dest)
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}
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case repackageZip.String():
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// Add the destdir to the snapshot contents as that is effectively where
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// the content of the repackaged zip is copied.
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dest := bp.Args["destdir"]
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info.snapshotContents = append(info.snapshotContents, dest)
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case zipFiles.String():
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// This could be an intermediate zip file and not the actual output zip.
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// In that case this will be overridden when the rule to merge the zips
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// is processed.
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info.outputZip = android.NormalizePathForTesting(bp.Output)
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case mergeZips.String():
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// Copy the current outputZip to the intermediateZip.
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info.intermediateZip = info.outputZip
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mergeInput := android.NormalizePathForTesting(bp.Input)
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if info.intermediateZip != mergeInput {
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t.Errorf("Expected intermediate zip %s to be an input to merge zips but found %s instead",
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info.intermediateZip, mergeInput)
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}
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// Override output zip (which was actually the intermediate zip file) with the actual
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// output zip.
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info.outputZip = android.NormalizePathForTesting(bp.Output)
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// Save the zips to be merged into the intermediate zip.
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info.mergeZips = android.NormalizePathsForTesting(bp.Inputs)
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}
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}
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info.copyRules = copyRules.String()
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info.otherCopyRules = otherCopyRules.String()
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return info
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}
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// Check the snapshot build rules.
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//
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// Takes a list of functions which check different facets of the snapshot build rules.
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// Allows each test to customize what is checked without duplicating lots of code
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// or proliferating check methods of different flavors.
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func CheckSnapshot(t *testing.T, result *android.TestResult, name string, dir string, checkers ...snapshotBuildInfoChecker) {
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t.Helper()
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// The sdk CommonOS variant is always responsible for generating the snapshot.
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variant := android.CommonOS.Name
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sdk := result.Module(name, variant).(*sdk)
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snapshotBuildInfo := getSdkSnapshotBuildInfo(t, result, sdk)
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// Check state of the snapshot build.
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for _, checker := range checkers {
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checker(snapshotBuildInfo)
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}
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// Make sure that the generated zip file is in the correct place.
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actual := snapshotBuildInfo.outputZip
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if dir != "" {
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dir = filepath.Clean(dir) + "/"
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}
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android.AssertStringEquals(t, "Snapshot zip file in wrong place",
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fmt.Sprintf(".intermediates/%s%s/%s/%s-current.zip", dir, name, variant, name), actual)
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// Populate a mock filesystem with the files that would have been copied by
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// the rules.
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fs := make(map[string][]byte)
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for _, dest := range snapshotBuildInfo.snapshotContents {
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fs[dest] = nil
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}
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// Process the generated bp file to make sure it is valid.
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testSdkWithFs(t, snapshotBuildInfo.androidBpContents, fs)
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}
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type snapshotBuildInfoChecker func(info *snapshotBuildInfo)
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// Check that the snapshot's generated Android.bp is correct.
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//
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// Both the expected and actual string are both trimmed before comparing.
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func checkAndroidBpContents(expected string) snapshotBuildInfoChecker {
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return func(info *snapshotBuildInfo) {
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info.t.Helper()
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android.AssertTrimmedStringEquals(info.t, "Android.bp contents do not match", expected, info.androidBpContents)
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}
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}
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// Check that the snapshot's unversioned generated Android.bp is correct.
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//
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// This func should be used to check the general snapshot generation code.
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//
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// Both the expected and actual string are both trimmed before comparing.
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func checkUnversionedAndroidBpContents(expected string) snapshotBuildInfoChecker {
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return func(info *snapshotBuildInfo) {
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info.t.Helper()
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android.AssertTrimmedStringEquals(info.t, "unversioned Android.bp contents do not match", expected, info.androidUnversionedBpContents)
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}
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}
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// Check that the snapshot's versioned generated Android.bp is correct.
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//
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// This func should only be used to check the version specific snapshot generation code,
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// i.e. the encoding of version into module names and the generation of the _snapshot module. The
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// general snapshot generation code should be checked using the checkUnversionedAndroidBpContents()
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// func.
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//
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// Both the expected and actual string are both trimmed before comparing.
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func checkVersionedAndroidBpContents(expected string) snapshotBuildInfoChecker {
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return func(info *snapshotBuildInfo) {
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info.t.Helper()
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android.AssertTrimmedStringEquals(info.t, "versioned Android.bp contents do not match", expected, info.androidVersionedBpContents)
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}
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}
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// Check that the snapshot's copy rules are correct.
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//
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// The copy rules are formatted as <src> -> <dest>, one per line and then compared
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// to the supplied expected string. Both the expected and actual string are trimmed
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// before comparing.
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func checkAllCopyRules(expected string) snapshotBuildInfoChecker {
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return func(info *snapshotBuildInfo) {
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info.t.Helper()
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android.AssertTrimmedStringEquals(info.t, "Incorrect copy rules", expected, info.copyRules)
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}
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}
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func checkAllOtherCopyRules(expected string) snapshotBuildInfoChecker {
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return func(info *snapshotBuildInfo) {
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info.t.Helper()
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android.AssertTrimmedStringEquals(info.t, "Incorrect copy rules", expected, info.otherCopyRules)
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}
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}
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// Check that the specified paths match the list of zips to merge with the intermediate zip.
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func checkMergeZips(expected ...string) snapshotBuildInfoChecker {
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return func(info *snapshotBuildInfo) {
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info.t.Helper()
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if info.intermediateZip == "" {
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info.t.Errorf("No intermediate zip file was created")
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}
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android.AssertDeepEquals(info.t, "mismatching merge zip files", expected, info.mergeZips)
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}
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}
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// Encapsulates information about the snapshot build structure in order to insulate tests from
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// knowing too much about internal structures.
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//
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// All source/input paths are relative either the build directory. All dest/output paths are
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// relative to the snapshot root directory.
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type snapshotBuildInfo struct {
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t *testing.T
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// The result from RunTest()
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r *android.TestResult
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// The contents of the generated Android.bp file
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androidBpContents string
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// The contents of the unversioned Android.bp file
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androidUnversionedBpContents string
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// The contents of the versioned Android.bp file
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androidVersionedBpContents string
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// The paths, relative to the snapshot root, of all files and directories copied into the
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// snapshot.
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snapshotContents []string
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// A formatted representation of the src/dest pairs for a snapshot, one pair per line,
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// of the format src -> dest
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copyRules string
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// A formatted representation of the src/dest pairs for files not in a snapshot, one pair
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// per line, of the format src -> dest
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otherCopyRules string
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// The path to the intermediate zip, which is a zip created from the source files copied
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// into the snapshot directory and which will be merged with other zips to form the final output.
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// Is am empty string if there is no intermediate zip because there are no zips to merge in.
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intermediateZip string
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// The paths to the zips to merge into the output zip, does not include the intermediate
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// zip.
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mergeZips []string
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// The final output zip.
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outputZip string
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}
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