Add "exported" mode to xx_aconfig_library build rules

Test: added unit tests and CI

Bug: 309990433
Change-Id: Iae1b85265d9780bde7d41ec2ec6e8e441c2b3814

aconfig/cc_aconfig_library.go

@@ -39,7 +39,14 @@ type CcAconfigLibraryProperties struct {
 	Aconfig_declarations string
 
 	// whether to generate test mode version of the library
+	// TODO: remove "Test" property when "Mode" can be used in all the branches
 	Test *bool
+
+	// default mode is "production", the other accepted modes are:
+	// "test": to generate test mode version of the library
+	// "exported": to generate exported mode version of the library
+	// an error will be thrown if the mode is not supported
+	Mode *string
 }
 
 type CcAconfigLibraryCallbacks struct {
@@ -121,11 +128,16 @@ func (this *CcAconfigLibraryCallbacks) GeneratorBuildActions(ctx cc.ModuleContex
 	}
 	declarations := ctx.OtherModuleProvider(declarationsModules[0], declarationsProviderKey).(declarationsProviderData)
 
-	var mode string
+	if this.properties.Mode != nil && this.properties.Test != nil {
+		ctx.PropertyErrorf("test", "test prop should not be specified when mode prop is set")
+	}
+	mode := proptools.StringDefault(this.properties.Mode, "production")
+	if !isModeSupported(mode) {
+		ctx.PropertyErrorf("mode", "%q is not a supported mode", mode)
+	}
+	// TODO: remove "Test" property
 	if proptools.Bool(this.properties.Test) {
 		mode = "test"
-	} else {
-		mode = "production"
 	}
 	ctx.Build(pctx, android.BuildParams{
 		Rule:  cppRule,

aconfig/cc_aconfig_library_test.go

@@ -22,16 +22,17 @@ import (
 	"android/soong/cc"
 )
 
-var codegenModeTestData = []struct {
+var ccCodegenModeTestData = []struct {
 	setting, expected string
 }{
 	{"", "production"},
-	{"test: false,", "production"},
-	{"test: true,", "test"},
+	{"mode: `production`,", "production"},
+	{"mode: `test`,", "test"},
+	{"mode: `exported`,", "exported"},
 }
 
 func TestCCCodegenMode(t *testing.T) {
-	for _, testData := range codegenModeTestData {
+	for _, testData := range ccCodegenModeTestData {
 		testCCCodegenModeHelper(t, testData.setting, testData.expected)
 	}
 }
@@ -65,3 +66,43 @@ func testCCCodegenModeHelper(t *testing.T, bpMode string, ruleMode string) {
 	rule := module.Rule("cc_aconfig_library")
 	android.AssertStringEquals(t, "rule must contain test mode", rule.Args["mode"], ruleMode)
 }
+
+var incorrectCCCodegenModeTestData = []struct {
+	setting, expectedErr string
+}{
+	{"mode: `unsupported`,", "mode: \"unsupported\" is not a supported mode"},
+	// TODO: remove this test case when test prop is removed
+	{"mode: `test`, test: true", "test prop should not be specified when mode prop is set"},
+}
+
+func TestIncorrectCCCodegenMode(t *testing.T) {
+	for _, testData := range incorrectCCCodegenModeTestData {
+		testIncorrectCCCodegenModeHelper(t, testData.setting, testData.expectedErr)
+	}
+}
+
+func testIncorrectCCCodegenModeHelper(t *testing.T, bpMode string, err string) {
+	t.Helper()
+	android.GroupFixturePreparers(
+		PrepareForTestWithAconfigBuildComponents,
+		cc.PrepareForTestWithCcDefaultModules).
+		ExtendWithErrorHandler(android.FixtureExpectsOneErrorPattern(err)).
+		RunTestWithBp(t, fmt.Sprintf(`
+			aconfig_declarations {
+				name: "my_aconfig_declarations",
+				package: "com.example.package",
+				srcs: ["foo.aconfig"],
+			}
+
+			cc_library {
+    		name: "server_configurable_flags",
+    		srcs: ["server_configurable_flags.cc"],
+			}
+
+			cc_aconfig_library {
+				name: "my_cc_aconfig_library",
+				aconfig_declarations: "my_aconfig_declarations",
+				%s
+			}
+		`, bpMode))
+}

aconfig/java_aconfig_library.go

@@ -30,12 +30,21 @@ type declarationsTagType struct {
 
 var declarationsTag = declarationsTagType{}
 
+var aconfigSupportedModes = []string{"production", "test", "exported"}
+
 type JavaAconfigDeclarationsLibraryProperties struct {
 	// name of the aconfig_declarations module to generate a library for
 	Aconfig_declarations string
 
 	// whether to generate test mode version of the library
+	// TODO: remove "Test" property when "Mode" can be used in all the branches
 	Test *bool
+
+	// default mode is "production", the other accepted modes are:
+	// "test": to generate test mode version of the library
+	// "exported": to generate exported mode version of the library
+	// an error will be thrown if the mode is not supported
+	Mode *string
 }
 
 type JavaAconfigDeclarationsLibraryCallbacks struct {
@@ -72,12 +81,19 @@ func (callbacks *JavaAconfigDeclarationsLibraryCallbacks) GenerateSourceJarBuild
 
 	// Generate the action to build the srcjar
 	srcJarPath := android.PathForModuleGen(ctx, ctx.ModuleName()+".srcjar")
-	var mode string
+
+	if callbacks.properties.Mode != nil && callbacks.properties.Test != nil {
+		ctx.PropertyErrorf("test", "test prop should not be specified when mode prop is set")
+	}
+	mode := proptools.StringDefault(callbacks.properties.Mode, "production")
+	if !isModeSupported(mode) {
+		ctx.PropertyErrorf("mode", "%q is not a supported mode", mode)
+	}
+	// TODO: remove "Test" property
 	if proptools.Bool(callbacks.properties.Test) {
 		mode = "test"
-	} else {
-		mode = "production"
 	}
+
 	ctx.Build(pctx, android.BuildParams{
 		Rule:        javaRule,
 		Input:       declarations.IntermediatePath,
@@ -95,9 +111,12 @@ func (callbacks *JavaAconfigDeclarationsLibraryCallbacks) GenerateSourceJarBuild
 	return srcJarPath
 }
 
+func isModeSupported(mode string) bool {
+	return android.InList(mode, aconfigSupportedModes)
+}
+
 type bazelJavaAconfigLibraryAttributes struct {
 	Aconfig_declarations bazel.LabelAttribute
-	Test                 *bool
 	Sdk_version          *string
 	Libs                 bazel.LabelListAttribute
 }
@@ -138,7 +157,6 @@ func (callbacks *JavaAconfigDeclarationsLibraryCallbacks) Bp2build(ctx android.B
 
 	attrs := bazelJavaAconfigLibraryAttributes{
 		Aconfig_declarations: *bazel.MakeLabelAttribute(android.BazelLabelForModuleDepSingle(ctx, callbacks.properties.Aconfig_declarations).Label),
-		Test:                 callbacks.properties.Test,
 		Sdk_version:          &sdkVersion,
 		Libs:                 libs,
 	}

aconfig/java_aconfig_library_test.go

@@ -178,14 +178,48 @@ func testCodegenMode(t *testing.T, bpMode string, ruleMode string) {
 	android.AssertStringEquals(t, "rule must contain test mode", rule.Args["mode"], ruleMode)
 }
 
+func testCodegenModeWithError(t *testing.T, bpMode string, err string) {
+	android.GroupFixturePreparers(
+		PrepareForTestWithAconfigBuildComponents,
+		java.PrepareForTestWithJavaDefaultModules).
+		ExtendWithErrorHandler(android.FixtureExpectsOneErrorPattern(err)).
+		RunTestWithBp(t, fmt.Sprintf(`
+			aconfig_declarations {
+				name: "my_aconfig_declarations",
+				package: "com.example.package",
+				srcs: ["foo.aconfig"],
+			}
+
+			java_aconfig_library {
+				name: "my_java_aconfig_library",
+				aconfig_declarations: "my_aconfig_declarations",
+				%s
+			}
+		`, bpMode))
+}
+
 func TestDefaultProdMode(t *testing.T) {
 	testCodegenMode(t, "", "production")
 }
 
 func TestProdMode(t *testing.T) {
-	testCodegenMode(t, "test: false,", "production")
+	testCodegenMode(t, "mode: `production`,", "production")
 }
 
 func TestTestMode(t *testing.T) {
-	testCodegenMode(t, "test: true,", "test")
+	testCodegenMode(t, "mode: `test`,", "test")
+}
+
+func TestExportedMode(t *testing.T) {
+	testCodegenMode(t, "mode: `exported`,", "exported")
+}
+
+func TestUnsupportedMode(t *testing.T) {
+	testCodegenModeWithError(t, "mode: `unsupported`,", "mode: \"unsupported\" is not a supported mode")
+}
+
+// TODO: remove this test case when test prop is removed
+func TestBothModeAndTestAreSet(t *testing.T) {
+	testCodegenModeWithError(t, "mode: `test`, test: true",
+		"test prop should not be specified when mode prop is set")
 }

aconfig/rust_aconfig_library.go

@@ -1,9 +1,10 @@
 package aconfig
 
 import (
+	"fmt"
+
 	"android/soong/android"
 	"android/soong/rust"
-	"fmt"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
@@ -18,7 +19,16 @@ var rustDeclarationsTag = rustDeclarationsTagType{}
 type RustAconfigLibraryProperties struct {
 	// name of the aconfig_declarations module to generate a library for
 	Aconfig_declarations string
-	Test                 *bool
+
+	// whether to generate test mode version of the library
+	// TODO: remove "Test" property when "Mode" can be used in all the branches
+	Test *bool
+
+	// default mode is "production", the other accepted modes are:
+	// "test": to generate test mode version of the library
+	// "exported": to generate exported mode version of the library
+	// an error will be thrown if the mode is not supported
+	Mode *string
 }
 
 type aconfigDecorator struct {
@@ -60,7 +70,15 @@ func (a *aconfigDecorator) GenerateSource(ctx rust.ModuleContext, deps rust.Path
 	}
 	declarations := ctx.OtherModuleProvider(declarationsModules[0], declarationsProviderKey).(declarationsProviderData)
 
-	mode := "production"
+	if a.Properties.Mode != nil && a.Properties.Test != nil {
+		ctx.PropertyErrorf("test", "test prop should not be specified when mode prop is set")
+	}
+	mode := proptools.StringDefault(a.Properties.Mode, "production")
+	if !isModeSupported(mode) {
+		ctx.PropertyErrorf("mode", "%q is not a supported mode", mode)
+	}
+
+	// TODO: remove "Test" property
 	if proptools.Bool(a.Properties.Test) {
 		mode = "test"
 	}

aconfig/rust_aconfig_library_test.go

@@ -1,10 +1,11 @@
 package aconfig
 
 import (
-	"android/soong/android"
-	"android/soong/rust"
 	"fmt"
 	"testing"
+
+	"android/soong/android"
+	"android/soong/rust"
 )
 
 func TestRustAconfigLibrary(t *testing.T) {
@@ -63,3 +64,98 @@ func TestRustAconfigLibrary(t *testing.T) {
 		)
 	}
 }
+
+var rustCodegenModeTestData = []struct {
+	setting, expected string
+}{
+	{"", "production"},
+	{"mode: `production`,", "production"},
+	{"mode: `test`,", "test"},
+	{"mode: `exported`,", "exported"},
+}
+
+func TestRustCodegenMode(t *testing.T) {
+	for _, testData := range rustCodegenModeTestData {
+		testRustCodegenModeHelper(t, testData.setting, testData.expected)
+	}
+}
+
+func testRustCodegenModeHelper(t *testing.T, bpMode string, ruleMode string) {
+	t.Helper()
+	result := android.GroupFixturePreparers(
+		PrepareForTestWithAconfigBuildComponents,
+		rust.PrepareForTestWithRustIncludeVndk).
+		ExtendWithErrorHandler(android.FixtureExpectsNoErrors).
+		RunTestWithBp(t, fmt.Sprintf(`
+			rust_library {
+				name: "libflags_rust", // test mock
+				crate_name: "flags_rust",
+				srcs: ["lib.rs"],
+			}
+			rust_library {
+				name: "liblazy_static", // test mock
+				crate_name: "lazy_static",
+				srcs: ["src/lib.rs"],
+			}
+			aconfig_declarations {
+				name: "my_aconfig_declarations",
+				package: "com.example.package",
+				srcs: ["foo.aconfig"],
+			}
+			rust_aconfig_library {
+				name: "libmy_rust_aconfig_library",
+				crate_name: "my_rust_aconfig_library",
+				aconfig_declarations: "my_aconfig_declarations",
+				%s
+			}
+		`, bpMode))
+
+	module := result.ModuleForTests("libmy_rust_aconfig_library", "android_arm64_armv8-a_source")
+	rule := module.Rule("rust_aconfig_library")
+	android.AssertStringEquals(t, "rule must contain test mode", rule.Args["mode"], ruleMode)
+}
+
+var incorrectRustCodegenModeTestData = []struct {
+	setting, expectedErr string
+}{
+	{"mode: `unsupported`,", "mode: \"unsupported\" is not a supported mode"},
+	// TODO: remove this test case when test prop is removed
+	{"mode: `test`, test: true", "test prop should not be specified when mode prop is set"},
+}
+
+func TestIncorrectRustCodegenMode(t *testing.T) {
+	for _, testData := range incorrectRustCodegenModeTestData {
+		testIncorrectRustCodegenModeHelper(t, testData.setting, testData.expectedErr)
+	}
+}
+
+func testIncorrectRustCodegenModeHelper(t *testing.T, bpMode string, err string) {
+	t.Helper()
+	android.GroupFixturePreparers(
+		PrepareForTestWithAconfigBuildComponents,
+		rust.PrepareForTestWithRustIncludeVndk).
+		ExtendWithErrorHandler(android.FixtureExpectsOneErrorPattern(err)).
+		RunTestWithBp(t, fmt.Sprintf(`
+			rust_library {
+				name: "libflags_rust", // test mock
+				crate_name: "flags_rust",
+				srcs: ["lib.rs"],
+			}
+			rust_library {
+				name: "liblazy_static", // test mock
+				crate_name: "lazy_static",
+				srcs: ["src/lib.rs"],
+			}
+			aconfig_declarations {
+				name: "my_aconfig_declarations",
+				package: "com.example.package",
+				srcs: ["foo.aconfig"],
+			}
+			rust_aconfig_library {
+				name: "libmy_rust_aconfig_library",
+				crate_name: "my_rust_aconfig_library",
+				aconfig_declarations: "my_aconfig_declarations",
+				%s
+			}
+		`, bpMode))
+}