Implement test config auto-gen for sh_test.

Supports the following properties:
- Require_root
- Test_config_template
- Auto_gen_config

Test config template is in a separate CL.

Bug: 148805488
Bug: 151761373

Test: make
Test: unit tests
Test: verified with bc_test & toybox-tests
Change-Id: I63d60a153a6abda4ce30b74d3eb915fbf6389cb8

2 files changed, 36 insertions, 2 deletions

diff --git a/sh/Android.bp b/sh/Android.bp
index 0b04e7dea..0f40c5f68 100644
--- a/sh/Android.bp
+++ b/sh/Android.bp
@@ -5,6 +5,7 @@ bootstrap_go_package {
         "blueprint",
         "soong",
         "soong-android",
+        "soong-tradefed",
     ],
     srcs: [
         "sh_binary.go",
diff --git a/sh/sh_binary.go b/sh/sh_binary.go
index 2dcd7162c..9276a62e9 100644
--- a/sh/sh_binary.go
+++ b/sh/sh_binary.go
@@ -22,6 +22,7 @@ import (
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
+	"android/soong/tradefed"
 )
 
 // sh_binary is for shell scripts (and batch files) that are installed as
@@ -74,6 +75,19 @@ type TestProperties struct {
 	// list of files or filegroup modules that provide data that should be installed alongside
 	// the test.
 	Data []string `android:"path,arch_variant"`
+
+	// Add RootTargetPreparer to auto generated test config. This guarantees the test to run
+	// with root permission.
+	Require_root *bool
+
+	// the name of the test configuration template (for example "AndroidTestTemplate.xml") that
+	// should be installed with the module.
+	Test_config_template *string `android:"path,arch_variant"`
+
+	// Flag to indicate whether or not to create test config automatically. If AndroidTest.xml
+	// doesn't exist next to the Android.bp, this attribute doesn't need to be set to true
+	// explicitly.
+	Auto_gen_config *bool
 }
 
 type ShBinary struct {
@@ -93,7 +107,8 @@ type ShTest struct {
 
 	testProperties TestProperties
 
-	data android.Paths
+	data       android.Paths
+	testConfig android.Path
 }
 
 func (s *ShBinary) HostToolPath() android.OptionalPath {
@@ -190,6 +205,16 @@ func (s *ShTest) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	s.installedFile = ctx.InstallExecutable(installDir, s.outputFilePath.Base(), s.outputFilePath)
 
 	s.data = android.PathsForModuleSrc(ctx, s.testProperties.Data)
+
+	var configs []tradefed.Config
+	if Bool(s.testProperties.Require_root) {
+		configs = append(configs, tradefed.Object{"target_preparer", "com.android.tradefed.targetprep.RootTargetPreparer", nil})
+	} else {
+		options := []tradefed.Option{{Name: "force-root", Value: "false"}}
+		configs = append(configs, tradefed.Object{"target_preparer", "com.android.tradefed.targetprep.RootTargetPreparer", options})
+	}
+	s.testConfig = tradefed.AutoGenShellTestConfig(ctx, s.testProperties.Test_config,
+		s.testProperties.Test_config_template, s.testProperties.Test_suites, configs, s.testProperties.Auto_gen_config, s.outputFilePath.Base())
 }
 
 func (s *ShTest) InstallInData() bool {
@@ -206,7 +231,13 @@ func (s *ShTest) AndroidMkEntries() []android.AndroidMkEntries {
 				s.customAndroidMkEntries(entries)
 
 				entries.AddStrings("LOCAL_COMPATIBILITY_SUITE", s.testProperties.Test_suites...)
-				entries.SetString("LOCAL_TEST_CONFIG", proptools.String(s.testProperties.Test_config))
+				if s.testProperties.Test_config != nil {
+					entries.SetString("LOCAL_TEST_CONFIG", proptools.String(s.testProperties.Test_config))
+				} else {
+					if s.testConfig != nil {
+						entries.SetString("LOCAL_FULL_TEST_CONFIG", s.testConfig.String())
+					}
+				}
 				for _, d := range s.data {
 					rel := d.Rel()
 					path := d.String()
@@ -265,3 +296,5 @@ func ShTestHostFactory() android.Module {
 	android.InitAndroidArchModule(module, android.HostSupported, android.MultilibFirst)
 	return module
 }
+
+var Bool = proptools.Bool