Add unit tests for plugin library.

Bug: 275465610
Test: atest
Change-Id: I83777ea588995b4c70bb6d6d6c2a2899f6eab066
diff --git a/tests/plugintests/Android.bp b/tests/plugintests/Android.bp
new file mode 100644
index 0000000..09c5ad5
--- /dev/null
+++ b/tests/plugintests/Android.bp
@@ -0,0 +1,58 @@
+// Copyright (C) 2022 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 {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+android_test {
+    name: "OnDevicePersonalizationPluginTests",
+    srcs: [
+        "src/**/*.java",
+    ],
+    libs: [
+        "android.test.base",
+        "android.test.mock.stubs",
+        "android.test.runner",
+        "auto_value_annotations",
+        "framework-annotations-lib",
+        "framework-ondevicepersonalization.impl",
+        "truth-prebuilt",
+    ],
+    static_libs: [
+        "androidx.test.ext.junit",
+        "androidx.test.ext.truth",
+        "androidx.test.rules",
+        "mockito-target-extended-minus-junit4",
+        "modules-utils-build",
+        "modules-utils-preconditions",
+        "ondevicepersonalization-plugin-lib",
+    ],
+    manifest: "AndroidManifest.xml",
+    plugins: ["auto_value_plugin"],
+    sdk_version: "module_current",
+    target_sdk_version: "current",
+    min_sdk_version: "Tiramisu",
+    certificate: "platform",
+    compile_multilib: "both",
+    test_config: "AndroidTest.xml",
+    test_suites: [
+        "general-tests",
+        "mts-ondevicepersonalization",
+    ],
+    jni_libs: [
+        "libdexmakerjvmtiagent",
+        "libstaticjvmtiagent",
+    ],
+}
diff --git a/tests/plugintests/AndroidManifest.xml b/tests/plugintests/AndroidManifest.xml
new file mode 100644
index 0000000..d298988
--- /dev/null
+++ b/tests/plugintests/AndroidManifest.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2022 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.ondevicepersonalization.plugintests">
+
+    <application android:label="OnDevicePersonalizationPluginTests">
+        <uses-library android:name="android.test.runner" />
+    </application>
+    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
+                     android:targetPackage="com.android.ondevicepersonalization.plugintests"
+                     android:label="OnDevicePersonalization Plugin Tests">
+    </instrumentation>
+
+</manifest>
diff --git a/tests/plugintests/AndroidTest.xml b/tests/plugintests/AndroidTest.xml
new file mode 100644
index 0000000..fbd396c
--- /dev/null
+++ b/tests/plugintests/AndroidTest.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2022 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.
+  -->
+
+<configuration description="Configuration for OnDevicePersonalization services unit tests">
+    <option name="config-descriptor:metadata" key="component" value="framework" />
+    <option name="config-descriptor:metadata" key="parameter" value="not_instant_app" />
+    <option name="config-descriptor:metadata" key="parameter" value="not_multi_abi" />
+    <option name="config-descriptor:metadata" key="parameter" value="secondary_user" />
+
+    <target_preparer class="com.android.tradefed.targetprep.suite.SuiteApkInstaller">
+        <option name="cleanup-apks" value="true"/>
+        <option name="test-file-name" value="OnDevicePersonalizationPluginTests.apk"/>
+    </target_preparer>
+
+    <test class="com.android.tradefed.testtype.AndroidJUnitTest">
+        <option name="hidden-api-checks" value="false" /> <!-- Allow hidden API uses -->
+        <option name="package" value="com.android.ondevicepersonalization.plugintests"/>
+    </test>
+
+    <object type="module_controller" class="com.android.tradefed.testtype.suite.module.MainlineTestModuleController">
+        <option name="mainline-module-package-name" value="com.google.android.ondevicepersonalization" />
+    </object>
+    <option name="config-descriptor:metadata" key="mainline-param" value="com.google.android.ondevicepersonalization.apex" />
+</configuration>
diff --git a/tests/plugintests/src/com/android/ondevicepersonalization/libraries/plugin/PluginTests.java b/tests/plugintests/src/com/android/ondevicepersonalization/libraries/plugin/PluginTests.java
new file mode 100644
index 0000000..123644a
--- /dev/null
+++ b/tests/plugintests/src/com/android/ondevicepersonalization/libraries/plugin/PluginTests.java
@@ -0,0 +1,54 @@
+/*
+ * 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.android.ondevicepersonalization.libraries.plugin;
+
+import static org.junit.Assert.assertEquals;
+
+import android.os.Parcel;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class PluginTests {
+    @Test
+    public void testFailureType() throws Exception {
+        FailureType ft = FailureType.ERROR_LOADING_PLUGIN;
+
+        Parcel parcel = Parcel.obtain();
+        ft.writeToParcel(parcel, 0);
+        parcel.setDataPosition(0);
+        FailureType ft2 = FailureType.CREATOR.createFromParcel(parcel);
+
+        assertEquals(ft, ft2);
+        assertEquals(0, ft2.describeContents());
+    }
+
+    @Test
+    public void testPluginState() throws Exception {
+        PluginState ps = PluginState.STATE_LOADED;
+
+        Parcel parcel = Parcel.obtain();
+        ps.writeToParcel(parcel, 0);
+        parcel.setDataPosition(0);
+        PluginState ps2 = PluginState.CREATOR.createFromParcel(parcel);
+
+        assertEquals(ps, ps2);
+        assertEquals(0, ps2.describeContents());
+    }
+}