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Export dex implementation jars from prebuilt_apex

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Dexpreopt and boot jars package check all require access to dex
implementation jars created for java_library and java_sdk_library. They
were available when building from source but not when building from
prebuilts, even though they are embedded within the .apex files that
are referenced from prebuilt_apex.

This changes adds support to prebuilt_apex to export the dex
implementation jars and updates java_import to use those exported dex
implementation jars.

In a source build dexpreopt/boot jars package check access the apex (or
platform) specific variant of a java_library, e.g. core-oj, from which
it retrieves the dex implementation jar path.

After this change in a prebuilt build dexpreopt/boot jars package check
behave in the same way except in this case they retrieve the dex
implementation jar path from the apex (or platform) specific variant of
the java_import, e.g. core-oj.

The work to export files from a `.apex` file for use by other modules
is performed by a new `deapexer` module type. It is not used directly
in an `Android.bp` file but instead is created implicitly by
`prebuilt_apex`,

In order to do that this contains the following changes:
* Adds a new `dexapexer` module type to handle the exporting of files
  from the `.apex` file.
* Adds an exported_java_libs property to prebuilt_apex to specify the
  set of libraries whose dex implementation jars need exporting.
* Creates apex specific variants of the libraries listed in the
  exported_java_libs property.
* Adds the set of exported files to the ApexInfo to make them available
  to the apex specific variants.
* Prevents the prebuilt_apex variants from being merged together as
  they will not be compatible.
* Modifies java_import to use the exported file for variants of a
  prebuilt_apex.
* Adds a ninja rule to unpack (using deapexer) the contents of the
  prebuilt_apex's apex file, verify that the required files are present
  and make them available as outputs for other rules to use.
* Some minor refactorings to support these changes.
* Adds tests to cover prebuilt only, prebuilt with source preferred,
  and prebuilt preferred with source.

Test: m nothing
Bug: 171061220
Change-Id: Ic9bed81fb65b92f0d59f64c0bce168a9ed44cfac
This commit is contained in:
Paul Duffin
2020-11-02 17:32:38 +00:00
parent db170e4a92
commit 064b70c918
13 changed files with 719 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

172
apex/apex_test.go
View File

@@ -190,6 +190,7 @@ func testApexContext(_ *testing.T, bp string, handlers ...testCustomizer) (*andr
"testdata/baz": nil,
"AppSet.apks": nil,
"foo.rs": nil,
"libfoo.jar": nil,
}
cc.GatherRequiredFilesForTest(fs)
@@ -4219,6 +4220,121 @@ func TestPrebuiltOverrides(t *testing.T) {
}
}
func TestPrebuiltExportDexImplementationJars(t *testing.T) {
transform := func(config *dexpreopt.GlobalConfig) {
config.BootJars = android.CreateTestConfiguredJarList([]string{"myapex:libfoo"})
}
checkDexJarBuildPath := func(ctx *android.TestContext, name string) {
// Make sure the import has been given the correct path to the dex jar.
p := ctx.ModuleForTests(name, "android_common_myapex").Module().(java.Dependency)
dexJarBuildPath := p.DexJarBuildPath()
if expected, actual := ".intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar", android.NormalizePathForTesting(dexJarBuildPath); actual != expected {
t.Errorf("Incorrect DexJarBuildPath value '%s', expected '%s'", actual, expected)
}
}
ensureNoSourceVariant := func(ctx *android.TestContext) {
// Make sure that an apex variant is not created for the source module.
if expected, actual := []string{"android_common"}, ctx.ModuleVariantsForTests("libfoo"); !reflect.DeepEqual(expected, actual) {
t.Errorf("invalid set of variants for %q: expected %q, found %q", "libfoo", expected, actual)
}
}
t.Run("prebuilt only", func(t *testing.T) {
bp := `
prebuilt_apex {
name: "myapex",
arch: {
arm64: {
src: "myapex-arm64.apex",
},
arm: {
src: "myapex-arm.apex",
},
},
exported_java_libs: ["libfoo"],
}
java_import {
name: "libfoo",
jars: ["libfoo.jar"],
}
`
// Make sure that dexpreopt can access dex implementation files from the prebuilt.
ctx := testDexpreoptWithApexes(t, bp, "", transform)
checkDexJarBuildPath(ctx, "libfoo")
})
t.Run("prebuilt with source preferred", func(t *testing.T) {
bp := `
prebuilt_apex {
name: "myapex",
arch: {
arm64: {
src: "myapex-arm64.apex",
},
arm: {
src: "myapex-arm.apex",
},
},
exported_java_libs: ["libfoo"],
}
java_import {
name: "libfoo",
jars: ["libfoo.jar"],
}
java_library {
name: "libfoo",
}
`
// Make sure that dexpreopt can access dex implementation files from the prebuilt.
ctx := testDexpreoptWithApexes(t, bp, "", transform)
checkDexJarBuildPath(ctx, "prebuilt_libfoo")
ensureNoSourceVariant(ctx)
})
t.Run("prebuilt preferred with source", func(t *testing.T) {
bp := `
prebuilt_apex {
name: "myapex",
prefer: true,
arch: {
arm64: {
src: "myapex-arm64.apex",
},
arm: {
src: "myapex-arm.apex",
},
},
exported_java_libs: ["libfoo"],
}
java_import {
name: "libfoo",
jars: ["libfoo.jar"],
}
java_library {
name: "libfoo",
}
`
// Make sure that dexpreopt can access dex implementation files from the prebuilt.
ctx := testDexpreoptWithApexes(t, bp, "", transform)
checkDexJarBuildPath(ctx, "prebuilt_libfoo")
ensureNoSourceVariant(ctx)
})
}
func TestApexWithTests(t *testing.T) {
ctx, config := testApex(t, `
apex_test {
@@ -5783,7 +5899,7 @@ func testNoUpdatableJarsInBootImage(t *testing.T, errmsg string, transformDexpre
testDexpreoptWithApexes(t, bp, errmsg, transformDexpreoptConfig)
}
func testDexpreoptWithApexes(t *testing.T, bp, errmsg string, transformDexpreoptConfig func(*dexpreopt.GlobalConfig)) {
func testDexpreoptWithApexes(t *testing.T, bp, errmsg string, transformDexpreoptConfig func(*dexpreopt.GlobalConfig)) *android.TestContext {
t.Helper()
bp += cc.GatherRequiredDepsForTest(android.Android)
@@ -5808,6 +5924,7 @@ func testDexpreoptWithApexes(t *testing.T, bp, errmsg string, transformDexpreopt
ctx := android.NewTestArchContext(config)
ctx.RegisterModuleType("apex", BundleFactory)
ctx.RegisterModuleType("apex_key", ApexKeyFactory)
ctx.RegisterModuleType("prebuilt_apex", PrebuiltFactory)
ctx.RegisterModuleType("filegroup", android.FileGroupFactory)
ctx.PreArchMutators(android.RegisterDefaultsPreArchMutators)
android.RegisterPrebuiltMutators(ctx)
@@ -5837,10 +5954,11 @@ func testDexpreoptWithApexes(t *testing.T, bp, errmsg string, transformDexpreopt
android.FailIfErrored(t, errs)
} else if len(errs) > 0 {
android.FailIfNoMatchingErrors(t, errmsg, errs)
return
} else {
t.Fatalf("missing expected error %q (0 errors are returned)", errmsg)
}
return ctx
}
func TestUpdatable_should_set_min_sdk_version(t *testing.T) {
@@ -5939,6 +6057,56 @@ func TestNoUpdatableJarsInBootImage(t *testing.T) {
}
testNoUpdatableJarsInBootImage(t, "", transform)
})
}
func TestDexpreoptAccessDexFilesFromPrebuiltApex(t *testing.T) {
transform := func(config *dexpreopt.GlobalConfig) {
config.BootJars = android.CreateTestConfiguredJarList([]string{"myapex:libfoo"})
}
t.Run("prebuilt no source", func(t *testing.T) {
testDexpreoptWithApexes(t, `
prebuilt_apex {
name: "myapex" ,
arch: {
arm64: {
src: "myapex-arm64.apex",
},
arm: {
src: "myapex-arm.apex",
},
},
exported_java_libs: ["libfoo"],
}
java_import {
name: "libfoo",
jars: ["libfoo.jar"],
}
`, "", transform)
})
t.Run("prebuilt no source", func(t *testing.T) {
testDexpreoptWithApexes(t, `
prebuilt_apex {
name: "myapex" ,
arch: {
arm64: {
src: "myapex-arm64.apex",
},
arm: {
src: "myapex-arm.apex",
},
},
exported_java_libs: ["libfoo"],
}
java_import {
name: "libfoo",
jars: ["libfoo.jar"],
}
`, "", transform)
})
}
func testApexPermittedPackagesRules(t *testing.T, errmsg, bp string, apexBootJars []string, rules []android.Rule) {