platform_build_soong/dexpreopt/class_loader_context_test.go
Jeongik Cha 19ade89042 Fix toJsonClassLoaderContextRec size bug
toJsonClassLoaderContextRec's size is twice as large than expected. And
the initial values is filled with null value.

Bug: 158843648
Test: m nothing(testcase is added)
Change-Id: I24c23269bd16baa18481f34b85c543d41f26d0e0
2021-04-22 11:58:43 +00:00

287 lines
11 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"
"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
// ├── b
// ├── c
// ├── d
// │   ├── a2
// │   ├── b2
// │   └── c2
// │   ├── a1
// │   └── b1
// ├── f
// ├── a3
// └── b3
//
ctx := testContext()
m := make(ClassLoaderContextMap)
m.AddContext(ctx, AnySdkVersion, "a", buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m.AddContext(ctx, AnySdkVersion, "b", buildPath(ctx, "b"), installPath(ctx, "b"), nil)
m.AddContext(ctx, AnySdkVersion, "c", buildPath(ctx, "c"), installPath(ctx, "c"), nil)
// Add some libraries with nested subcontexts.
m1 := make(ClassLoaderContextMap)
m1.AddContext(ctx, AnySdkVersion, "a1", buildPath(ctx, "a1"), installPath(ctx, "a1"), nil)
m1.AddContext(ctx, AnySdkVersion, "b1", buildPath(ctx, "b1"), installPath(ctx, "b1"), nil)
m2 := make(ClassLoaderContextMap)
m2.AddContext(ctx, AnySdkVersion, "a2", buildPath(ctx, "a2"), installPath(ctx, "a2"), nil)
m2.AddContext(ctx, AnySdkVersion, "b2", buildPath(ctx, "b2"), installPath(ctx, "b2"), nil)
m2.AddContext(ctx, AnySdkVersion, "c2", buildPath(ctx, "c2"), installPath(ctx, "c2"), m1)
m3 := make(ClassLoaderContextMap)
m3.AddContext(ctx, AnySdkVersion, "a3", buildPath(ctx, "a3"), installPath(ctx, "a3"), nil)
m3.AddContext(ctx, AnySdkVersion, "b3", buildPath(ctx, "b3"), installPath(ctx, "b3"), nil)
m.AddContext(ctx, AnySdkVersion, "d", 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", buildPath(ctx, "f"), installPath(ctx, "f"), nil)
m.AddContext(ctx, AnySdkVersion, "f", 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, buildPath(ctx, AndroidHidlManager), nil, nil)
m.AddContext(ctx, 29, AndroidHidlBase, 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, buildPath(ctx, AndroidTestMock), nil, nil)
valid, validationError := validateClassLoaderContext(m)
fixClassLoaderContext(m)
var haveStr string
var havePaths android.Paths
var haveUsesLibs []string
if valid && validationError == nil {
haveStr, havePaths = ComputeClassLoaderContext(m)
haveUsesLibs = 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 class loader context structure is correct.
t.Run("string", func(t *testing.T) {
wantStr := " --host-context-for-sdk 29 " +
"PCL[out/" + AndroidHidlManager + ".jar]#" +
"PCL[out/" + AndroidHidlBase + ".jar]" +
" --target-context-for-sdk 29 " +
"PCL[/system/framework/" + AndroidHidlManager + ".jar]#" +
"PCL[/system/framework/" + AndroidHidlBase + ".jar]" +
" --host-context-for-sdk any " +
"PCL[out/a.jar]#PCL[out/b.jar]#PCL[out/c.jar]#PCL[out/d.jar]" +
"{PCL[out/a2.jar]#PCL[out/b2.jar]#PCL[out/c2.jar]" +
"{PCL[out/a1.jar]#PCL[out/b1.jar]}}#" +
"PCL[out/f.jar]#PCL[out/a3.jar]#PCL[out/b3.jar]" +
" --target-context-for-sdk any " +
"PCL[/system/a.jar]#PCL[/system/b.jar]#PCL[/system/c.jar]#PCL[/system/d.jar]" +
"{PCL[/system/a2.jar]#PCL[/system/b2.jar]#PCL[/system/c2.jar]" +
"{PCL[/system/a1.jar]#PCL[/system/b1.jar]}}#" +
"PCL[/system/f.jar]#PCL[/system/a3.jar]#PCL[/system/b3.jar]"
if wantStr != haveStr {
t.Errorf("\nwant class loader context: %s\nhave class loader context: %s", wantStr, haveStr)
}
})
// Test that all expected build paths are gathered.
t.Run("paths", func(t *testing.T) {
wantPaths := []string{
"out/android.hidl.manager-V1.0-java.jar", "out/android.hidl.base-V1.0-java.jar",
"out/a.jar", "out/b.jar", "out/c.jar", "out/d.jar",
"out/a2.jar", "out/b2.jar", "out/c2.jar",
"out/a1.jar", "out/b1.jar",
"out/f.jar", "out/a3.jar", "out/b3.jar",
}
if !reflect.DeepEqual(wantPaths, havePaths.Strings()) {
t.Errorf("\nwant paths: %s\nhave paths: %s", wantPaths, havePaths)
}
})
// Test for libraries that are added by the manifest_fixer.
t.Run("uses libs", func(t *testing.T) {
wantUsesLibs := []string{"a", "b", "c", "d", "f", "a3", "b3"}
if !reflect.DeepEqual(wantUsesLibs, haveUsesLibs) {
t.Errorf("\nwant uses libs: %s\nhave uses libs: %s", wantUsesLibs, haveUsesLibs)
}
})
}
func TestCLCJson(t *testing.T) {
ctx := testContext()
m := make(ClassLoaderContextMap)
m.AddContext(ctx, 28, "a", buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m.AddContext(ctx, 29, "b", buildPath(ctx, "b"), installPath(ctx, "b"), nil)
m.AddContext(ctx, 30, "c", buildPath(ctx, "c"), installPath(ctx, "c"), nil)
m.AddContext(ctx, AnySdkVersion, "d", 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()
m := make(ClassLoaderContextMap)
if whichPath == "build" {
m.AddContext(ctx, AnySdkVersion, "a", nil, nil, nil)
} else {
m.AddContext(ctx, AnySdkVersion, "a", 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) {
haveUsesLibs := m.UsesLibs()
wantUsesLibs := []string{"a"}
if !reflect.DeepEqual(wantUsesLibs, haveUsesLibs) {
t.Errorf("\nwant uses libs: %s\nhave uses libs: %s", wantUsesLibs, haveUsesLibs)
}
})
// 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()
m1 := make(ClassLoaderContextMap)
m1.AddContext(ctx, 42, "a", buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m := make(ClassLoaderContextMap)
err := m.addContext(ctx, AnySdkVersion, "b", buildPath(ctx, "b"), installPath(ctx, "b"), m1)
checkError(t, err, "nested class loader context shouldn't have conditional part")
}
// Test for SDK version order in conditional CLC: no matter in what order the libraries are added,
// they end up in the order that agrees with PackageManager.
func TestCLCSdkVersionOrder(t *testing.T) {
ctx := testContext()
m := make(ClassLoaderContextMap)
m.AddContext(ctx, 28, "a", buildPath(ctx, "a"), installPath(ctx, "a"), nil)
m.AddContext(ctx, 29, "b", buildPath(ctx, "b"), installPath(ctx, "b"), nil)
m.AddContext(ctx, 30, "c", buildPath(ctx, "c"), installPath(ctx, "c"), nil)
m.AddContext(ctx, AnySdkVersion, "d", buildPath(ctx, "d"), installPath(ctx, "d"), nil)
valid, validationError := validateClassLoaderContext(m)
fixClassLoaderContext(m)
var haveStr string
if valid && validationError == nil {
haveStr, _ = ComputeClassLoaderContext(m)
}
// 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 class loader context structure is correct.
t.Run("string", func(t *testing.T) {
wantStr := " --host-context-for-sdk 30 PCL[out/c.jar]" +
" --target-context-for-sdk 30 PCL[/system/c.jar]" +
" --host-context-for-sdk 29 PCL[out/b.jar]" +
" --target-context-for-sdk 29 PCL[/system/b.jar]" +
" --host-context-for-sdk 28 PCL[out/a.jar]" +
" --target-context-for-sdk 28 PCL[/system/a.jar]" +
" --host-context-for-sdk any PCL[out/d.jar]" +
" --target-context-for-sdk any PCL[/system/d.jar]"
if wantStr != haveStr {
t.Errorf("\nwant class loader context: %s\nhave class loader context: %s", wantStr, haveStr)
}
})
}
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")
}