Fix issue where bazel-force-enabled-modules aren't actually analyzed.

Bug: 273910287
Test: run mixed_mode_test.sh

Change-Id: I309c423b6e7f505ad1db0d9327e7de6b8298dfe9

6 files changed, 71 insertions, 5 deletions

diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index 5c429e21d..ade2c496a 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -84,8 +84,12 @@ func RegisterMixedBuildsMutator(ctx RegistrationContext) {
 func mixedBuildsPrepareMutator(ctx BottomUpMutatorContext) {
 	if m := ctx.Module(); m.Enabled() {
 		if mixedBuildMod, ok := m.(MixedBuildBuildable); ok {
-			if mixedBuildMod.IsMixedBuildSupported(ctx) && MixedBuildsEnabled(ctx) {
+			queueMixedBuild := mixedBuildMod.IsMixedBuildSupported(ctx) && MixedBuildsEnabled(ctx)
+			if queueMixedBuild {
 				mixedBuildMod.QueueBazelCall(ctx)
+			} else if _, ok := ctx.Config().bazelForceEnabledModules[m.Name()]; ok {
+				// TODO(b/273910287) - remove this once --ensure_allowlist_integrity is added
+				ctx.ModuleErrorf("Attempted to force enable an unready module: %s. Did you forget to Bp2BuildDefaultTrue its directory?\n", m.Name())
 			}
 		}
 	}
diff --git a/android/config.go b/android/config.go
index 2904581ea..032172d6e 100644
--- a/android/config.go
+++ b/android/config.go
@@ -592,12 +592,11 @@ func NewConfig(cmdArgs CmdArgs, availableEnv map[string]string) (Config, error)
 	setBazelMode(cmdArgs.BazelMode, "--bazel-mode", BazelProdMode)
 	setBazelMode(cmdArgs.BazelModeStaging, "--bazel-mode-staging", BazelStagingMode)
 
-	config.BazelContext, err = NewBazelContext(config)
-	config.Bp2buildPackageConfig = GetBp2BuildAllowList()
-
 	for _, module := range strings.Split(cmdArgs.BazelForceEnabledModules, ",") {
 		config.bazelForceEnabledModules[module] = struct{}{}
 	}
+	config.BazelContext, err = NewBazelContext(config)
+	config.Bp2buildPackageConfig = GetBp2BuildAllowList()
 
 	return Config{config}, err
 }
@@ -1934,3 +1933,8 @@ func (c *config) BuildFromTextStub() bool {
 func (c *config) SetBuildFromTextStub(b bool) {
 	c.buildFromTextStub = b
 }
+func (c *config) AddForceEnabledModules(forceEnabled []string) {
+	for _, forceEnabledModule := range forceEnabled {
+		c.bazelForceEnabledModules[forceEnabledModule] = struct{}{}
+	}
+}
diff --git a/android/test_config.go b/android/test_config.go
index 07ca33d56..28d9ec403 100644
--- a/android/test_config.go
+++ b/android/test_config.go
@@ -65,6 +65,7 @@ func TestConfig(buildDir string, env map[string]string, bp string, fs map[string
 		BuildMode:                 BazelProdMode,
 		mixedBuildDisabledModules: make(map[string]struct{}),
 		mixedBuildEnabledModules:  make(map[string]struct{}),
+		bazelForceEnabledModules:  make(map[string]struct{}),
 	}
 	config.deviceConfig = &deviceConfig{
 		config: config,
diff --git a/bp2build/build_conversion.go b/bp2build/build_conversion.go
index fde9b6949..b7678a469 100644
--- a/bp2build/build_conversion.go
+++ b/bp2build/build_conversion.go
@@ -321,6 +321,9 @@ func GenerateBazelTargets(ctx *CodegenContext, generateFilegroups bool) (convers
 					// target, each of a different rule class.
 					metrics.IncrementRuleClassCount(t.ruleClass)
 				}
+			} else if _, ok := ctx.Config().BazelModulesForceEnabledByFlag()[m.Name()]; ok && m.Name() != "" {
+				err := fmt.Errorf("Force Enabled Module %s not converted", m.Name())
+				errs = append(errs, err)
 			} else {
 				metrics.AddUnconvertedModule(moduleType)
 				return
diff --git a/bp2build/build_conversion_test.go b/bp2build/build_conversion_test.go
index d31216922..73ee26b60 100644
--- a/bp2build/build_conversion_test.go
+++ b/bp2build/build_conversion_test.go
@@ -1175,6 +1175,8 @@ func TestAllowlistingBp2buildTargetsWithConfig(t *testing.T) {
 		bp2buildConfig             allowlists.Bp2BuildConfig
 		checkDir                   string
 		fs                         map[string]string
+		forceEnabledModules        []string
+		expectedErrorMessages      []string
 	}{
 		{
 			description:                "test bp2build config package and subpackages config",
@@ -1237,6 +1239,24 @@ filegroup { name: "opt-out-h", bazel_module: { bp2build_available: false } }
 `,
 			},
 		},
+		{
+			description:                "test force-enabled errors out",
+			moduleTypeUnderTest:        "filegroup",
+			moduleTypeUnderTestFactory: android.FileGroupFactory,
+			expectedCount: map[string]int{
+				"migrated":     0,
+				"not_migrated": 0,
+			},
+			bp2buildConfig: allowlists.Bp2BuildConfig{
+				"migrated/but_not_really": allowlists.Bp2BuildDefaultFalse,
+				"not_migrated":            allowlists.Bp2BuildDefaultFalse,
+			},
+			fs: map[string]string{
+				"migrated/Android.bp": `filegroup { name: "a" }`,
+			},
+			forceEnabledModules:   []string{"a"},
+			expectedErrorMessages: []string{"Force Enabled Module a not converted"},
+		},
 	}
 
 	dir := "."
@@ -1252,6 +1272,7 @@ filegroup { name: "opt-out-h", bazel_module: { bp2build_available: false } }
 			fs[f] = []byte(content)
 		}
 		config := android.TestConfig(buildDir, nil, "", fs)
+		config.AddForceEnabledModules(testCase.forceEnabledModules)
 		ctx := android.NewTestContext(config)
 		ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
 		allowlist := android.NewBp2BuildAllowlist().SetDefaultConfig(testCase.bp2buildConfig)
@@ -1268,7 +1289,7 @@ filegroup { name: "opt-out-h", bazel_module: { bp2build_available: false } }
 		// For each directory, test that the expected number of generated targets is correct.
 		for dir, expectedCount := range testCase.expectedCount {
 			bazelTargets, err := generateBazelTargetsForDir(codegenCtx, dir)
-			android.FailIfErrored(t, err)
+			android.CheckErrorsAgainstExpectations(t, err, testCase.expectedErrorMessages)
 			if actualCount := len(bazelTargets); actualCount != expectedCount {
 				t.Fatalf(
 					"%s: Expected %d bazel target for %s package, got %d",
diff --git a/tests/mixed_mode_test.sh b/tests/mixed_mode_test.sh
index 7b3151bfd..05d3a664f 100755
--- a/tests/mixed_mode_test.sh
+++ b/tests/mixed_mode_test.sh
@@ -63,4 +63,37 @@ EOF
   fi
 }
 
+function test_force_enabled_modules {
+  setup
+  # b/273910287 - test force enable modules
+  mkdir -p soong_tests/a/b
+  cat > soong_tests/a/b/Android.bp <<'EOF'
+genrule {
+    name: "touch-file",
+    out: ["fake-out.txt"],
+    cmd: "touch $(out)",
+    bazel_module: { bp2build_available: true },
+}
+
+genrule {
+    name: "unenabled-touch-file",
+    out: ["fake-out2.txt"],
+    cmd: "touch $(out)",
+    bazel_module: { bp2build_available: false },
+}
+EOF
+  run_soong --bazel-mode-staging --bazel-force-enabled-modules=touch-file nothing
+  local bazel_contained=`grep out/soong/.intermediates/soong_tests/a/b/touch-file/gen/fake-out.txt out/soong/build.ninja`
+  if [[ $bazel_contained == '' ]]; then
+    fail "Bazel actions not found for force-enabled module"
+  fi
+
+  local exit_code=`run_soong --bazel-force-enabled-modules=unenabled-touch-file nothing`
+
+  if [[ $exit_code -ne 1 ]]; then
+    fail "Expected failure due to force-enabling an unenabled module "
+  fi
+}
+
+
 scan_and_run_tests
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