Add initial bp2build convert for prebuilt_etc modules.

Test: Added unit test.

Change-Id: Ie63674e4a867e355e4667b4240979b822f0f3c86

bp2build/Android.bp

@@ -23,6 +23,7 @@ bootstrap_go_package {
         "soong-bazel",
         "soong-cc",
         "soong-cc-config",
+        "soong-etc",
         "soong-genrule",
         "soong-python",
         "soong-sh",
@@ -37,6 +38,7 @@ bootstrap_go_package {
         "cc_library_static_conversion_test.go",
         "cc_object_conversion_test.go",
         "conversion_test.go",
+        "prebuilt_etc_conversion_test.go",
         "python_binary_conversion_test.go",
         "sh_conversion_test.go",
         "testing.go",

bp2build/prebuilt_etc_conversion_test.go

@@ -0,0 +1,55 @@
+// Copyright 2021 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 bp2build
+
+import (
+	"android/soong/android"
+	"android/soong/etc"
+
+	"testing"
+)
+
+func runPrebuiltEtcTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	runBp2BuildTestCase(t, registerPrebuiltEtcModuleTypes, tc)
+}
+
+func registerPrebuiltEtcModuleTypes(ctx android.RegistrationContext) {
+}
+
+func TestPrebuiltEtcSimple(t *testing.T) {
+	runPrebuiltEtcTestCase(t, bp2buildTestCase{
+		description:                        "prebuilt_etc - simple example",
+		moduleTypeUnderTest:                "prebuilt_etc",
+		moduleTypeUnderTestFactory:         etc.PrebuiltEtcFactory,
+		moduleTypeUnderTestBp2BuildMutator: etc.PrebuiltEtcBp2Build,
+		filesystem:                         map[string]string{},
+		blueprint: `
+prebuilt_etc {
+    name: "apex_tz_version",
+    src: "version/tz_version",
+    filename: "tz_version",
+    sub_dir: "tz",
+    installable: false,
+}
+`,
+		expectedBazelTargets: []string{`prebuilt_etc(
+    name = "apex_tz_version",
+    filename = "tz_version",
+    installable = False,
+    src = "version/tz_version",
+    sub_dir = "tz",
+)`}})
+}

etc/prebuilt_etc.go

@@ -36,6 +36,7 @@ import (
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
+	"android/soong/bazel"
 	"android/soong/snapshot"
 )
 
@@ -61,6 +62,8 @@ func RegisterPrebuiltEtcBuildComponents(ctx android.RegistrationContext) {
 	ctx.RegisterModuleType("prebuilt_rfsa", PrebuiltRFSAFactory)
 
 	ctx.RegisterModuleType("prebuilt_defaults", defaultsFactory)
+
+	android.RegisterBp2BuildMutator("prebuilt_etc", PrebuiltEtcBp2Build)
 }
 
 var PrepareForTestWithPrebuiltEtc = android.FixtureRegisterWithContext(RegisterPrebuiltEtcBuildComponents)
@@ -131,6 +134,7 @@ type PrebuiltEtcModule interface {
 type PrebuiltEtc struct {
 	android.ModuleBase
 	android.DefaultableModuleBase
+	android.BazelModuleBase
 
 	snapshot.VendorSnapshotModuleInterface
 	snapshot.RecoverySnapshotModuleInterface
@@ -406,6 +410,7 @@ func PrebuiltEtcFactory() android.Module {
 	// This module is device-only
 	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
 	android.InitDefaultableModule(module)
+	android.InitBazelModule(module)
 	return module
 }
 
@@ -647,3 +652,82 @@ func generatePrebuiltSnapshot(s snapshot.SnapshotSingleton, ctx android.Singleto
 
 	return snapshotOutputs
 }
+
+// For Bazel / bp2build
+
+type bazelPrebuiltEtcAttributes struct {
+	Src         bazel.LabelAttribute
+	Filename    string
+	Sub_dir     string
+	Installable bazel.BoolAttribute
+}
+
+type bazelPrebuiltEtc struct {
+	android.BazelTargetModuleBase
+	bazelPrebuiltEtcAttributes
+}
+
+func BazelPrebuiltEtcFactory() android.Module {
+	module := &bazelPrebuiltEtc{}
+	module.AddProperties(&module.bazelPrebuiltEtcAttributes)
+	android.InitBazelTargetModule(module)
+	return module
+}
+
+func PrebuiltEtcBp2Build(ctx android.TopDownMutatorContext) {
+	module, ok := ctx.Module().(*PrebuiltEtc)
+	if !ok {
+		// Not an prebuilt_etc
+		return
+	}
+	if !module.ConvertWithBp2build(ctx) {
+		return
+	}
+	if ctx.ModuleType() != "prebuilt_etc" {
+		return
+	}
+
+	prebuiltEtcBp2BuildInternal(ctx, module)
+}
+
+func prebuiltEtcBp2BuildInternal(ctx android.TopDownMutatorContext, module *PrebuiltEtc) {
+	var srcLabelAttribute bazel.LabelAttribute
+	if module.properties.Src != nil {
+		srcLabelAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.Src))
+	}
+
+	var filename string
+	if module.properties.Filename != nil {
+		filename = *module.properties.Filename
+	}
+
+	var subDir string
+	if module.subdirProperties.Sub_dir != nil {
+		subDir = *module.subdirProperties.Sub_dir
+	}
+
+	var installableBoolAttribute bazel.BoolAttribute
+	if module.properties.Installable != nil {
+		installableBoolAttribute.Value = module.properties.Installable
+	}
+
+	attrs := &bazelPrebuiltEtcAttributes{
+		Src:         srcLabelAttribute,
+		Filename:    filename,
+		Sub_dir:     subDir,
+		Installable: installableBoolAttribute,
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "prebuilt_etc",
+		Bzl_load_location: "//build/bazel/rules:prebuilt_etc.bzl",
+	}
+
+	ctx.CreateBazelTargetModule(BazelPrebuiltEtcFactory, module.Name(), props, attrs)
+}
+
+func (m *bazelPrebuiltEtc) Name() string {
+	return m.BaseModuleName()
+}
+
+func (m *bazelPrebuiltEtc) GenerateAndroidBuildActions(ctx android.ModuleContext) {}