Merge "Add usage of test mode" into main

samples/AconfigDemo/Android.bp

@@ -39,10 +39,17 @@ java_aconfig_library {
     aconfig_declarations: "aconfig_demo_flags",
 }
 
+filegroup {
+    name: "ContentLibsFile",
+    srcs: [
+        "lib/**/*.java",
+    ],
+}
+
 java_library {
     name: "ContentLibs",
     srcs: [
-        "lib/**/*.java",
+        ":ContentLibsFile",
     ],
     sdk_version: "current",
     static_libs: [

samples/AconfigDemo/tests/unittests/Android.bp

@@ -0,0 +1,31 @@
+java_aconfig_library {
+    name: "aconfig_demo_flags_lib_test",
+    aconfig_declarations: "aconfig_demo_flags",
+    host_supported: true,
+    test: true
+}
+
+java_library_host {
+    name: "ContentLibs_test",
+    srcs: [
+        ":ContentLibsFile",
+    ],
+    static_libs: [
+        "aconfig_demo_flags_lib_test",
+    ],
+    libs: ["jsr330"],
+}
+
+java_test_host {
+    name: "ContentLibs_test_host",
+    srcs: ["*.java"],
+    static_libs: [
+        "ContentLibs_test",
+        "junit",
+        "flag-junit-base",
+    ],
+    test_options: {
+        unit_test: true,
+    },
+    test_suites: ["general-tests"],
+}

samples/AconfigDemo/tests/unittests/StaticContentUnitTests.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * 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 com.example.android.aconfig.demo;
+
+import static org.junit.Assert.assertEquals;
+
+import android.platform.test.flag.junit.MockFlagsRule;
+import com.example.android.aconfig.demo.flags.Flags;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public final class StaticContentUnitTests {
+    @Rule public final MockFlagsRule mMockFlagsRule = new MockFlagsRule();
+
+    @Test
+    public void staticContent_enable_staticFlag_disable_thirdFlag() throws Exception {
+        mMockFlagsRule.enableFlags(Flags.FLAG_APPEND_STATIC_CONTENT);
+        mMockFlagsRule.disableFlags(Flags.FLAG_THIRD_FLAG);
+        StaticContent statiContent = new StaticContent();
+        String ret = statiContent.getContent();
+        StringBuilder expected = new StringBuilder();
+        expected.append("The flag: appendStaticContent is ON!!\n\n");
+        expected.append("The flag: thirdFlag is OFF!!\n\n");
+        assertEquals("Expected message", expected.toString(), ret);
+    }
+}
+