Create C-Suite config module

* Defined a build target csuite_config.go for C-Suite, so that C-Suite
test modules can be declare in Android.bp files.
* Modified vts_config.go to use the general Makefile
suite_host_config.mk.

Test: make csuite, forrest test for vts
Change-Id: I5f67c54e05b113ac6c5d226930618e6811e6e602
Merged-In: I5f67c54e05b113ac6c5d226930618e6811e6e602
diff --git a/android/csuite_config.go b/android/csuite_config.go
new file mode 100644
index 0000000..15c518a
--- /dev/null
+++ b/android/csuite_config.go
@@ -0,0 +1,70 @@
+// Copyright 2019 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 android
+
+import (
+	"fmt"
+	"io"
+)
+
+func init() {
+	RegisterModuleType("csuite_config", CSuiteConfigFactory)
+}
+
+type csuiteConfigProperties struct {
+	// Override the default (AndroidTest.xml) test manifest file name.
+	Test_config *string
+}
+
+type CSuiteConfig struct {
+	ModuleBase
+	properties     csuiteConfigProperties
+	OutputFilePath OutputPath
+}
+
+func (me *CSuiteConfig) GenerateAndroidBuildActions(ctx ModuleContext) {
+	me.OutputFilePath = PathForModuleOut(ctx, me.BaseModuleName()).OutputPath
+}
+
+func (me *CSuiteConfig) AndroidMk() AndroidMkData {
+	androidMkData := AndroidMkData{
+		Class:      "FAKE",
+		Include:    "$(BUILD_SYSTEM)/suite_host_config.mk",
+		OutputFile: OptionalPathForPath(me.OutputFilePath),
+	}
+	androidMkData.Extra = []AndroidMkExtraFunc{
+		func(w io.Writer, outputFile Path) {
+			if me.properties.Test_config != nil {
+				fmt.Fprintf(w, "LOCAL_TEST_CONFIG := %s\n",
+					*me.properties.Test_config)
+			}
+			fmt.Fprintln(w, "LOCAL_COMPATIBILITY_SUITE := csuite")
+		},
+	}
+	return androidMkData
+}
+
+func InitCSuiteConfigModule(me *CSuiteConfig) {
+	me.AddProperties(&me.properties)
+}
+
+// csuite_config generates an App Compatibility Test Suite (C-Suite) configuration file from the
+// <test_config> xml file and stores it in a subdirectory of $(HOST_OUT).
+func CSuiteConfigFactory() Module {
+	module := &CSuiteConfig{}
+	InitCSuiteConfigModule(module)
+	InitAndroidArchModule(module, HostSupported, MultilibFirst)
+	return module
+}
diff --git a/android/csuite_config_test.go b/android/csuite_config_test.go
new file mode 100644
index 0000000..e534bb7
--- /dev/null
+++ b/android/csuite_config_test.go
@@ -0,0 +1,53 @@
+// Copyright 2019 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 android
+
+import (
+	"testing"
+)
+
+func testCSuiteConfig(test *testing.T, bpFileContents string) *TestContext {
+	config := TestArchConfig(buildDir, nil)
+
+	ctx := NewTestArchContext()
+	ctx.RegisterModuleType("csuite_config", ModuleFactoryAdaptor(CSuiteConfigFactory))
+	ctx.Register()
+	mockFiles := map[string][]byte{
+		"Android.bp": []byte(bpFileContents),
+	}
+	ctx.MockFileSystem(mockFiles)
+	_, errs := ctx.ParseFileList(".", []string{"Android.bp"})
+	FailIfErrored(test, errs)
+	_, errs = ctx.PrepareBuildActions(config)
+	FailIfErrored(test, errs)
+	return ctx
+}
+
+func TestCSuiteConfig(t *testing.T) {
+	ctx := testCSuiteConfig(t, `
+csuite_config { name: "plain"}
+csuite_config { name: "with_manifest", test_config: "manifest.xml" }
+`)
+
+	variants := ctx.ModuleVariantsForTests("plain")
+	if len(variants) > 1 {
+		t.Errorf("expected 1, got %d", len(variants))
+	}
+	expectedOutputFilename := ctx.ModuleForTests(
+		"plain", variants[0]).Module().(*CSuiteConfig).OutputFilePath.Base()
+	if expectedOutputFilename != "plain" {
+		t.Errorf("expected plain, got %q", expectedOutputFilename)
+	}
+}
diff --git a/android/vts_config.go b/android/vts_config.go
index c44b3a3..86f6e72 100644
--- a/android/vts_config.go
+++ b/android/vts_config.go
@@ -41,16 +41,17 @@
 func (me *VtsConfig) AndroidMk() AndroidMkData {
 	androidMkData := AndroidMkData{
 		Class:      "FAKE",
-		Include:    "$(BUILD_SYSTEM)/android_vts_host_config.mk",
+		Include:    "$(BUILD_SYSTEM)/suite_host_config.mk",
 		OutputFile: OptionalPathForPath(me.OutputFilePath),
 	}
-	if me.properties.Test_config != nil {
-		androidMkData.Extra = []AndroidMkExtraFunc{
-			func(w io.Writer, outputFile Path) {
+	androidMkData.Extra = []AndroidMkExtraFunc{
+		func(w io.Writer, outputFile Path) {
+			if me.properties.Test_config != nil {
 				fmt.Fprintf(w, "LOCAL_TEST_CONFIG := %s\n",
 					*me.properties.Test_config)
-			},
-		}
+			}
+			fmt.Fprintln(w, "LOCAL_COMPATIBILITY_SUITE := vts")
+		},
 	}
 	return androidMkData
 }