platform_build_soong/dexpreopt/class_loader_context_test.go
Jiakai Zhang 51b2a8b5eb Use per-app package list to avoid unnecessary dexpreopt.
Starting from aosp/2594905, dexpreopt depends on
`$PRODUCT_OUT/product_packages.txt`. When PRODUCT_PACKAGES changes,
dexpreopt has to rerun for all apps. This is not ideal.

After this change, dexpreopt uses a per-app product_packages.txt that is
filtered by the app's dependencies, and it uses `rsync --checksum` to
prevent the file's mtime from being changed if the contents don't change.
This avoids unnecessary dexpreopt reruns.

Bug: 288218403
Test: m
Test: Change PRODUCT_PACKAGES and see no dexpreopt reruns.
Change-Id: I5788a9ee987dfd0abfd7d91cbcef748452290004
2023-06-28 17:59:56 +01:00

386 lines
15 KiB
Go

// Copyright 2020 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 dexpreopt
// This file contains unit tests for class loader context structure.
// For class loader context tests involving .bp files, see TestUsesLibraries in java package.
import (
"fmt"
"reflect"
"sort"
"strings"
"testing"
"android/soong/android"
)
func TestCLC(t *testing.T) {
// Construct class loader context with the following structure:
// .
// ├── 29
// │   ├── android.hidl.manager
// │   └── android.hidl.base
// │
// └── any
// ├── a' (a single quotation mark (') is there to test escaping)
// ├── b
// ├── c
// ├── d
// │   ├── a2
// │   ├── b2
// │   └── c2
// │   ├── a1
// │   └── b1
// ├── f
// ├── a3
// └── b3
//
ctx := testContext()
optional := false
m := make(ClassLoaderContextMap)
m.AddContext(ctx, AnySdkVersion, "a'", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m.AddContext(ctx, AnySdkVersion, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), nil)
m.AddContext(ctx, AnySdkVersion, "c", optional, buildPath(ctx, "c"), installPath(ctx, "c"), nil)
// Add some libraries with nested subcontexts.
m1 := make(ClassLoaderContextMap)
m1.AddContext(ctx, AnySdkVersion, "a1", optional, buildPath(ctx, "a1"), installPath(ctx, "a1"), nil)
m1.AddContext(ctx, AnySdkVersion, "b1", optional, buildPath(ctx, "b1"), installPath(ctx, "b1"), nil)
m2 := make(ClassLoaderContextMap)
m2.AddContext(ctx, AnySdkVersion, "a2", optional, buildPath(ctx, "a2"), installPath(ctx, "a2"), nil)
m2.AddContext(ctx, AnySdkVersion, "b2", optional, buildPath(ctx, "b2"), installPath(ctx, "b2"), nil)
m2.AddContext(ctx, AnySdkVersion, "c2", optional, buildPath(ctx, "c2"), installPath(ctx, "c2"), m1)
m3 := make(ClassLoaderContextMap)
m3.AddContext(ctx, AnySdkVersion, "a3", optional, buildPath(ctx, "a3"), installPath(ctx, "a3"), nil)
m3.AddContext(ctx, AnySdkVersion, "b3", optional, buildPath(ctx, "b3"), installPath(ctx, "b3"), nil)
m.AddContext(ctx, AnySdkVersion, "d", optional, buildPath(ctx, "d"), installPath(ctx, "d"), m2)
// When the same library is both in conditional and unconditional context, it should be removed
// from conditional context.
m.AddContext(ctx, 42, "f", optional, buildPath(ctx, "f"), installPath(ctx, "f"), nil)
m.AddContext(ctx, AnySdkVersion, "f", optional, buildPath(ctx, "f"), installPath(ctx, "f"), nil)
// Merge map with implicit root library that is among toplevel contexts => does nothing.
m.AddContextMap(m1, "c")
// Merge map with implicit root library that is not among toplevel contexts => all subcontexts
// of the other map are added as toplevel contexts.
m.AddContextMap(m3, "m_g")
// Compatibility libraries with unknown install paths get default paths.
m.AddContext(ctx, 29, AndroidHidlManager, optional, buildPath(ctx, AndroidHidlManager), nil, nil)
m.AddContext(ctx, 29, AndroidHidlBase, optional, buildPath(ctx, AndroidHidlBase), nil, nil)
// Add "android.test.mock" to conditional CLC, observe that is gets removed because it is only
// needed as a compatibility library if "android.test.runner" is in CLC as well.
m.AddContext(ctx, 30, AndroidTestMock, optional, buildPath(ctx, AndroidTestMock), nil, nil)
valid, validationError := validateClassLoaderContext(m)
fixClassLoaderContext(m)
var actualNames []string
var actualPaths android.Paths
var haveUsesLibsReq, haveUsesLibsOpt []string
if valid && validationError == nil {
actualNames, actualPaths = ComputeClassLoaderContextDependencies(m)
haveUsesLibsReq, haveUsesLibsOpt = m.UsesLibs()
}
// Test that validation is successful (all paths are known).
t.Run("validate", func(t *testing.T) {
if !(valid && validationError == nil) {
t.Errorf("invalid class loader context")
}
})
// Test that all expected build paths are gathered.
t.Run("names and paths", func(t *testing.T) {
expectedNames := []string{
"a'", "a1", "a2", "a3", "android.hidl.base-V1.0-java", "android.hidl.manager-V1.0-java", "b",
"b1", "b2", "b3", "c", "c2", "d", "f",
}
expectedPaths := []string{
"out/soong/android.hidl.manager-V1.0-java.jar", "out/soong/android.hidl.base-V1.0-java.jar",
"out/soong/a.jar", "out/soong/b.jar", "out/soong/c.jar", "out/soong/d.jar",
"out/soong/a2.jar", "out/soong/b2.jar", "out/soong/c2.jar",
"out/soong/a1.jar", "out/soong/b1.jar",
"out/soong/f.jar", "out/soong/a3.jar", "out/soong/b3.jar",
}
actualPathsStrs := actualPaths.Strings()
// The order does not matter.
sort.Strings(expectedNames)
sort.Strings(actualNames)
android.AssertArrayString(t, "", expectedNames, actualNames)
sort.Strings(expectedPaths)
sort.Strings(actualPathsStrs)
android.AssertArrayString(t, "", expectedPaths, actualPathsStrs)
})
// Test the JSON passed to construct_context.py.
t.Run("json", func(t *testing.T) {
// The tree structure within each SDK version should be kept exactly the same when serialized
// to JSON. The order matters because the Python script keeps the order within each SDK version
// as is.
// The JSON is passed to the Python script as a commandline flag, so quotation ('') and escaping
// must be performed.
android.AssertStringEquals(t, "", strings.TrimSpace(`
'{"29":[{"Name":"android.hidl.manager-V1.0-java","Optional":false,"Host":"out/soong/android.hidl.manager-V1.0-java.jar","Device":"/system/framework/android.hidl.manager-V1.0-java.jar","Subcontexts":[]},{"Name":"android.hidl.base-V1.0-java","Optional":false,"Host":"out/soong/android.hidl.base-V1.0-java.jar","Device":"/system/framework/android.hidl.base-V1.0-java.jar","Subcontexts":[]}],"30":[],"42":[],"any":[{"Name":"a'\''","Optional":false,"Host":"out/soong/a.jar","Device":"/system/a.jar","Subcontexts":[]},{"Name":"b","Optional":false,"Host":"out/soong/b.jar","Device":"/system/b.jar","Subcontexts":[]},{"Name":"c","Optional":false,"Host":"out/soong/c.jar","Device":"/system/c.jar","Subcontexts":[]},{"Name":"d","Optional":false,"Host":"out/soong/d.jar","Device":"/system/d.jar","Subcontexts":[{"Name":"a2","Optional":false,"Host":"out/soong/a2.jar","Device":"/system/a2.jar","Subcontexts":[]},{"Name":"b2","Optional":false,"Host":"out/soong/b2.jar","Device":"/system/b2.jar","Subcontexts":[]},{"Name":"c2","Optional":false,"Host":"out/soong/c2.jar","Device":"/system/c2.jar","Subcontexts":[{"Name":"a1","Optional":false,"Host":"out/soong/a1.jar","Device":"/system/a1.jar","Subcontexts":[]},{"Name":"b1","Optional":false,"Host":"out/soong/b1.jar","Device":"/system/b1.jar","Subcontexts":[]}]}]},{"Name":"f","Optional":false,"Host":"out/soong/f.jar","Device":"/system/f.jar","Subcontexts":[]},{"Name":"a3","Optional":false,"Host":"out/soong/a3.jar","Device":"/system/a3.jar","Subcontexts":[]},{"Name":"b3","Optional":false,"Host":"out/soong/b3.jar","Device":"/system/b3.jar","Subcontexts":[]}]}'
`), m.DumpForFlag())
})
// Test for libraries that are added by the manifest_fixer.
t.Run("uses libs", func(t *testing.T) {
wantUsesLibsReq := []string{"a'", "b", "c", "d", "f", "a3", "b3"}
wantUsesLibsOpt := []string{}
if !reflect.DeepEqual(wantUsesLibsReq, haveUsesLibsReq) {
t.Errorf("\nwant required uses libs: %s\nhave required uses libs: %s", wantUsesLibsReq, haveUsesLibsReq)
}
if !reflect.DeepEqual(wantUsesLibsOpt, haveUsesLibsOpt) {
t.Errorf("\nwant optional uses libs: %s\nhave optional uses libs: %s", wantUsesLibsOpt, haveUsesLibsOpt)
}
})
}
func TestCLCJson(t *testing.T) {
ctx := testContext()
optional := false
m := make(ClassLoaderContextMap)
m.AddContext(ctx, 28, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m.AddContext(ctx, 29, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), nil)
m.AddContext(ctx, 30, "c", optional, buildPath(ctx, "c"), installPath(ctx, "c"), nil)
m.AddContext(ctx, AnySdkVersion, "d", optional, buildPath(ctx, "d"), installPath(ctx, "d"), nil)
jsonCLC := toJsonClassLoaderContext(m)
restored := fromJsonClassLoaderContext(ctx, jsonCLC)
android.AssertIntEquals(t, "The size of the maps should be the same.", len(m), len(restored))
for k := range m {
a, _ := m[k]
b, ok := restored[k]
android.AssertBoolEquals(t, "The both maps should have the same keys.", ok, true)
android.AssertIntEquals(t, "The size of the elements should be the same.", len(a), len(b))
for i, elemA := range a {
before := fmt.Sprintf("%v", *elemA)
after := fmt.Sprintf("%v", *b[i])
android.AssertStringEquals(t, "The content should be the same.", before, after)
}
}
}
// Test that unknown library paths cause a validation error.
func testCLCUnknownPath(t *testing.T, whichPath string) {
ctx := testContext()
optional := false
m := make(ClassLoaderContextMap)
if whichPath == "build" {
m.AddContext(ctx, AnySdkVersion, "a", optional, nil, nil, nil)
} else {
m.AddContext(ctx, AnySdkVersion, "a", optional, buildPath(ctx, "a"), nil, nil)
}
// The library should be added to <uses-library> tags by the manifest_fixer.
t.Run("uses libs", func(t *testing.T) {
haveUsesLibsReq, haveUsesLibsOpt := m.UsesLibs()
wantUsesLibsReq := []string{"a"}
wantUsesLibsOpt := []string{}
if !reflect.DeepEqual(wantUsesLibsReq, haveUsesLibsReq) {
t.Errorf("\nwant required uses libs: %s\nhave required uses libs: %s", wantUsesLibsReq, haveUsesLibsReq)
}
if !reflect.DeepEqual(wantUsesLibsOpt, haveUsesLibsOpt) {
t.Errorf("\nwant optional uses libs: %s\nhave optional uses libs: %s", wantUsesLibsOpt, haveUsesLibsOpt)
}
})
// But CLC cannot be constructed: there is a validation error.
_, err := validateClassLoaderContext(m)
checkError(t, err, fmt.Sprintf("invalid %s path for <uses-library> \"a\"", whichPath))
}
// Test that unknown build path is an error.
func TestCLCUnknownBuildPath(t *testing.T) {
testCLCUnknownPath(t, "build")
}
// Test that unknown install path is an error.
func TestCLCUnknownInstallPath(t *testing.T) {
testCLCUnknownPath(t, "install")
}
// An attempt to add conditional nested subcontext should fail.
func TestCLCNestedConditional(t *testing.T) {
ctx := testContext()
optional := false
m1 := make(ClassLoaderContextMap)
m1.AddContext(ctx, 42, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m := make(ClassLoaderContextMap)
err := m.addContext(ctx, AnySdkVersion, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), m1)
checkError(t, err, "nested class loader context shouldn't have conditional part")
}
func TestCLCMExcludeLibs(t *testing.T) {
ctx := testContext()
const optional = false
excludeLibs := func(t *testing.T, m ClassLoaderContextMap, excluded_libs ...string) ClassLoaderContextMap {
// Dump the CLCM before creating a new copy that excludes a specific set of libraries.
before := m.Dump()
// Create a new CLCM that excludes some libraries.
c := m.ExcludeLibs(excluded_libs)
// Make sure that the original CLCM was not changed.
after := m.Dump()
android.AssertStringEquals(t, "input CLCM modified", before, after)
return c
}
t.Run("exclude nothing", func(t *testing.T) {
m := make(ClassLoaderContextMap)
m.AddContext(ctx, 28, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
a := excludeLibs(t, m)
android.AssertStringEquals(t, "output CLCM ", `{
"28": [
{
"Name": "a",
"Optional": false,
"Host": "out/soong/a.jar",
"Device": "/system/a.jar",
"Subcontexts": []
}
]
}`, a.Dump())
})
t.Run("one item from list", func(t *testing.T) {
m := make(ClassLoaderContextMap)
m.AddContext(ctx, 28, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m.AddContext(ctx, 28, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), nil)
a := excludeLibs(t, m, "a")
expected := `{
"28": [
{
"Name": "b",
"Optional": false,
"Host": "out/soong/b.jar",
"Device": "/system/b.jar",
"Subcontexts": []
}
]
}`
android.AssertStringEquals(t, "output CLCM ", expected, a.Dump())
})
t.Run("all items from a list", func(t *testing.T) {
m := make(ClassLoaderContextMap)
m.AddContext(ctx, 28, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m.AddContext(ctx, 28, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), nil)
a := excludeLibs(t, m, "a", "b")
android.AssertStringEquals(t, "output CLCM ", `{}`, a.Dump())
})
t.Run("items from a subcontext", func(t *testing.T) {
s := make(ClassLoaderContextMap)
s.AddContext(ctx, AnySdkVersion, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), nil)
s.AddContext(ctx, AnySdkVersion, "c", optional, buildPath(ctx, "c"), installPath(ctx, "c"), nil)
m := make(ClassLoaderContextMap)
m.AddContext(ctx, 28, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), s)
a := excludeLibs(t, m, "b")
android.AssertStringEquals(t, "output CLCM ", `{
"28": [
{
"Name": "a",
"Optional": false,
"Host": "out/soong/a.jar",
"Device": "/system/a.jar",
"Subcontexts": [
{
"Name": "c",
"Optional": false,
"Host": "out/soong/c.jar",
"Device": "/system/c.jar",
"Subcontexts": []
}
]
}
]
}`, a.Dump())
})
}
// Test that CLC is correctly serialized to JSON.
func TestCLCtoJSON(t *testing.T) {
ctx := testContext()
optional := false
m := make(ClassLoaderContextMap)
m.AddContext(ctx, 28, "a", optional, buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m.AddContext(ctx, AnySdkVersion, "b", optional, buildPath(ctx, "b"), installPath(ctx, "b"), nil)
android.AssertStringEquals(t, "output CLCM ", `{
"28": [
{
"Name": "a",
"Optional": false,
"Host": "out/soong/a.jar",
"Device": "/system/a.jar",
"Subcontexts": []
}
],
"any": [
{
"Name": "b",
"Optional": false,
"Host": "out/soong/b.jar",
"Device": "/system/b.jar",
"Subcontexts": []
}
]
}`, m.Dump())
}
func checkError(t *testing.T, have error, want string) {
if have == nil {
t.Errorf("\nwant error: '%s'\nhave: none", want)
} else if msg := have.Error(); !strings.HasPrefix(msg, want) {
t.Errorf("\nwant error: '%s'\nhave error: '%s'\n", want, msg)
}
}
func testContext() android.ModuleInstallPathContext {
config := android.TestConfig("out", nil, "", nil)
return android.ModuleInstallPathContextForTesting(config)
}
func buildPath(ctx android.PathContext, lib string) android.Path {
return android.PathForOutput(ctx, lib+".jar")
}
func installPath(ctx android.ModuleInstallPathContext, lib string) android.InstallPath {
return android.PathForModuleInstall(ctx, lib+".jar")
}