Implement bp2build for prebuilt_etc_xml

Bug: 237039154
Test: xml_conversion_test.go & bp2build
Change-Id: I1f2c57b9532138f73041d8fc08feea3f66b2ebbc
diff --git a/xml/Android.bp b/xml/Android.bp
index 1542930..d4753de 100644
--- a/xml/Android.bp
+++ b/xml/Android.bp
@@ -9,6 +9,7 @@
         "blueprint",
         "blueprint-pathtools",
         "soong",
+        "soong-bp2build",
         "soong-android",
         "soong-etc",
     ],
@@ -18,6 +19,7 @@
     ],
     testSrcs: [
         "xml_test.go",
+        "xml_conversion_test.go",
     ],
     pluginFor: ["soong_build"],
 }
diff --git a/xml/xml.go b/xml/xml.go
index c281078..8c0c072 100644
--- a/xml/xml.go
+++ b/xml/xml.go
@@ -16,6 +16,7 @@
 
 import (
 	"android/soong/android"
+	"android/soong/bazel"
 	"android/soong/etc"
 
 	"github.com/google/blueprint"
@@ -67,6 +68,8 @@
 }
 
 type prebuiltEtcXml struct {
+	android.BazelModuleBase
+
 	etc.PrebuiltEtc
 
 	properties prebuiltEtcXmlProperties
@@ -129,5 +132,40 @@
 	etc.InitPrebuiltEtcModule(&module.PrebuiltEtc, "etc")
 	// This module is device-only
 	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
+	android.InitBazelModule(module)
 	return module
 }
+
+type bazelPrebuiltEtcXmlAttributes struct {
+	Src               bazel.LabelAttribute
+	Filename          bazel.LabelAttribute
+	Dir               string
+	Installable       bazel.BoolAttribute
+	Filename_from_src bazel.BoolAttribute
+	Schema            *string
+}
+
+func (p *prebuiltEtcXml) ConvertWithBp2build(ctx android.TopDownMutatorContext) {
+	baseAttrs := p.PrebuiltEtc.Bp2buildHelper(ctx)
+
+	var schema *string
+	if p.properties.Schema != nil {
+		schema = p.properties.Schema
+	}
+
+	attrs := &bazelPrebuiltEtcXmlAttributes{
+		Src:               baseAttrs.Src,
+		Filename:          baseAttrs.Filename,
+		Dir:               baseAttrs.Dir,
+		Installable:       baseAttrs.Installable,
+		Filename_from_src: baseAttrs.Filename_from_src,
+		Schema:            schema,
+	}
+
+	props := bazel.BazelTargetModuleProperties{
+		Rule_class:        "prebuilt_xml",
+		Bzl_load_location: "//build/bazel/rules/prebuilt_xml.bzl",
+	}
+
+	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: p.Name()}, attrs)
+}
diff --git a/xml/xml_conversion_test.go b/xml/xml_conversion_test.go
new file mode 100644
index 0000000..6606ddc
--- /dev/null
+++ b/xml/xml_conversion_test.go
@@ -0,0 +1,129 @@
+// Copyright 2022 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 xml
+
+import (
+	"android/soong/android"
+	"android/soong/bp2build"
+
+	"testing"
+)
+
+func runXmlPrebuiltEtcTestCase(t *testing.T, tc bp2build.Bp2buildTestCase) {
+	t.Helper()
+	(&tc).ModuleTypeUnderTest = "prebuilt_etc_xml"
+	(&tc).ModuleTypeUnderTestFactory = PrebuiltEtcXmlFactory
+	bp2build.RunBp2BuildTestCase(t, registerXmlModuleTypes, tc)
+}
+
+func registerXmlModuleTypes(ctx android.RegistrationContext) {
+}
+
+func TestXmlPrebuiltEtcSimple(t *testing.T) {
+	runXmlPrebuiltEtcTestCase(t, bp2build.Bp2buildTestCase{
+		Description: "prebuilt_etc_xml - simple example",
+		Filesystem:  map[string]string{},
+		Blueprint: `
+prebuilt_etc_xml {
+    name: "foo",
+    src: "fooSrc",
+    filename: "fooFileName",
+    sub_dir: "fooDir",
+    schema: "foo.dtd",
+}
+`,
+		ExpectedBazelTargets: []string{
+			bp2build.MakeBazelTarget("prebuilt_xml", "foo", bp2build.AttrNameToString{
+				"src":      `"fooSrc"`,
+				"filename": `"fooFileName"`,
+				"dir":      `"etc/fooDir"`,
+				"schema":   `"foo.dtd"`,
+			})}})
+}
+
+func TestXmlPrebuiltEtcFilenameFromSrc(t *testing.T) {
+	runXmlPrebuiltEtcTestCase(t, bp2build.Bp2buildTestCase{
+		Description: "prebuilt_etc_xml - filenameFromSrc True  ",
+		Filesystem:  map[string]string{},
+		Blueprint: `
+prebuilt_etc_xml {
+    name: "foo",
+    src: "fooSrc",
+    filename_from_src: true,
+    sub_dir: "fooDir",
+    schema: "foo.dtd",
+}
+`,
+		ExpectedBazelTargets: []string{
+			bp2build.MakeBazelTarget("prebuilt_xml", "foo", bp2build.AttrNameToString{
+				"src":      `"fooSrc"`,
+				"filename": `"fooSrc"`,
+				"dir":      `"etc/fooDir"`,
+				"schema":   `"foo.dtd"`,
+			})}})
+}
+
+func TestXmlPrebuiltEtcFilenameAndFilenameFromSrc(t *testing.T) {
+	runXmlPrebuiltEtcTestCase(t, bp2build.Bp2buildTestCase{
+		Description: "prebuilt_etc_xml - filename provided and filenameFromSrc True  ",
+		Filesystem:  map[string]string{},
+		Blueprint: `
+prebuilt_etc_xml {
+    name: "foo",
+    src: "fooSrc",
+    filename: "fooFileName",
+    filename_from_src: true,
+    sub_dir: "fooDir",
+    schema: "foo.dtd",
+}
+`,
+		ExpectedBazelTargets: []string{
+			bp2build.MakeBazelTarget("prebuilt_xml", "foo", bp2build.AttrNameToString{
+				"src":      `"fooSrc"`,
+				"filename": `"fooFileName"`,
+				"dir":      `"etc/fooDir"`,
+				"schema":   `"foo.dtd"`,
+			})}})
+}
+
+func TestXmlPrebuiltEtcFileNameFromSrcMultipleSrcs(t *testing.T) {
+	runXmlPrebuiltEtcTestCase(t, bp2build.Bp2buildTestCase{
+		Description: "prebuilt_etc - filename_from_src is true but there are multiple srcs",
+		Filesystem:  map[string]string{},
+		Blueprint: `
+prebuilt_etc_xml {
+    name: "foo",
+    filename_from_src: true,
+    arch: {
+        arm: {
+            src: "barSrc",
+        },
+        arm64: {
+            src: "bazSrc",
+        },
+    }
+}
+`,
+		ExpectedBazelTargets: []string{
+			bp2build.MakeBazelTarget("prebuilt_xml", "foo", bp2build.AttrNameToString{
+				"filename_from_src": `True`,
+				"dir":               `"etc"`,
+				"src": `select({
+        "//build/bazel/platforms/arch:arm": "barSrc",
+        "//build/bazel/platforms/arch:arm64": "bazSrc",
+        "//conditions:default": None,
+    })`,
+			})}})
+}