Add initial bp2build support for converting android_app_certificate modules.

Test: Added unit test.

Change-Id: Ib5bf1711eca5be772e1bed73663dcb86252e0b4a
diff --git a/bp2build/android_app_certificate_conversion_test.go b/bp2build/android_app_certificate_conversion_test.go
new file mode 100644
index 0000000..022c687
--- /dev/null
+++ b/bp2build/android_app_certificate_conversion_test.go
@@ -0,0 +1,49 @@
+// Copyright 2021 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 bp2build
+
+import (
+	"android/soong/android"
+	"android/soong/java"
+
+	"testing"
+)
+
+func runAndroidAppCertificateTestCase(t *testing.T, tc bp2buildTestCase) {
+	t.Helper()
+	runBp2BuildTestCase(t, registerAndroidAppCertificateModuleTypes, tc)
+}
+
+func registerAndroidAppCertificateModuleTypes(ctx android.RegistrationContext) {
+}
+
+func TestAndroidAppCertificateSimple(t *testing.T) {
+	runAndroidAppCertificateTestCase(t, bp2buildTestCase{
+		description:                        "Android app certificate - simple example",
+		moduleTypeUnderTest:                "android_app_certificate",
+		moduleTypeUnderTestFactory:         java.AndroidAppCertificateFactory,
+		moduleTypeUnderTestBp2BuildMutator: java.AndroidAppCertificateBp2Build,
+		filesystem:                         map[string]string{},
+		blueprint: `
+android_app_certificate {
+        name: "com.android.apogee.cert",
+        certificate: "chamber_of_secrets_dir",
+}
+`,
+		expectedBazelTargets: []string{`android_app_certificate(
+    name = "com.android.apogee.cert",
+    certificate = "chamber_of_secrets_dir",
+)`}})
+}