7 files changed, 135 insertions, 0 deletions
diff --git a/packages/SettingsLib/Spa/settings.gradle b/packages/SettingsLib/Spa/settings.gradle
index cef79c16b38a..b627a7036f66 100644
--- a/packages/SettingsLib/Spa/settings.gradle
+++ b/packages/SettingsLib/Spa/settings.gradle
@@ -32,4 +32,5 @@ dependencyResolutionManagement {
 rootProject.name = "SpaLib"
 include ':spa'
 include ':gallery'
+include ':testutils'
 include ':tests'
diff --git a/packages/SettingsLib/Spa/tests/Android.bp b/packages/SettingsLib/Spa/tests/Android.bp
index 2449dec36d26..dcfc171dad0c 100644
--- a/packages/SettingsLib/Spa/tests/Android.bp
+++ b/packages/SettingsLib/Spa/tests/Android.bp
@@ -26,6 +26,7 @@ android_test {
 
     static_libs: [
         "SpaLib",
+        "SpaLibTestUtils",
         "androidx.test.runner",
         "androidx.test.ext.junit",
         "androidx.compose.runtime_runtime",
diff --git a/packages/SettingsLib/Spa/tests/build.gradle b/packages/SettingsLib/Spa/tests/build.gradle
index 52610919699b..529a20156e46 100644
--- a/packages/SettingsLib/Spa/tests/build.gradle
+++ b/packages/SettingsLib/Spa/tests/build.gradle
@@ -59,6 +59,7 @@ android {
 
 dependencies {
     androidTestImplementation project(":spa")
+    androidTestImplementation project(":testutils")
     androidTestImplementation "androidx.test.ext:junit-ktx:1.1.3"
     androidTestImplementation "androidx.compose.ui:ui-test-junit4:$jetpack_compose_version"
     androidTestImplementation "com.google.truth:truth:1.1.3"
diff --git a/packages/SettingsLib/Spa/testutils/Android.bp b/packages/SettingsLib/Spa/testutils/Android.bp
new file mode 100644
index 000000000000..68ad41452bd1
--- /dev/null
+++ b/packages/SettingsLib/Spa/testutils/Android.bp
@@ -0,0 +1,33 @@
+//
+// 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: ["frameworks_base_license"],
+}
+
+android_library {
+    name: "SpaLibTestUtils",
+
+    srcs: ["src/**/*.kt"],
+
+    static_libs: [
+        "mockito-target-minus-junit4",
+    ],
+    kotlincflags: [
+        "-Xjvm-default=all",
+    ],
+    min_sdk_version: "31",
+}
diff --git a/packages/SettingsLib/Spa/testutils/AndroidManifest.xml b/packages/SettingsLib/Spa/testutils/AndroidManifest.xml
new file mode 100644
index 000000000000..1aa7782364b5
--- /dev/null
+++ b/packages/SettingsLib/Spa/testutils/AndroidManifest.xml
@@ -0,0 +1,20 @@
+<?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.
+  -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.settingslib.spa.testutils">
+    <uses-sdk android:minSdkVersion="21"/>
+</manifest>
diff --git a/packages/SettingsLib/Spa/testutils/build.gradle b/packages/SettingsLib/Spa/testutils/build.gradle
new file mode 100644
index 000000000000..71d7d8a89c54
--- /dev/null
+++ b/packages/SettingsLib/Spa/testutils/build.gradle
@@ -0,0 +1,50 @@
+/*
+ * 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.
+ */
+
+plugins {
+    id 'com.android.library'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdk spa_target_sdk
+
+    defaultConfig {
+        minSdk spa_min_sdk
+        targetSdk spa_target_sdk
+    }
+
+    sourceSets {
+        main {
+            kotlin {
+                srcDir "src"
+            }
+            manifest.srcFile "AndroidManifest.xml"
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+        freeCompilerArgs = ["-Xjvm-default=all", "-opt-in=kotlin.RequiresOptIn"]
+    }
+}
+
+dependencies {
+    api "org.mockito:mockito-android:3.4.6"
+}
diff --git a/packages/SettingsLib/Spa/testutils/src/MockitoHelper.kt b/packages/SettingsLib/Spa/testutils/src/MockitoHelper.kt
new file mode 100644
index 000000000000..5ba54c12b0d0
--- /dev/null
+++ b/packages/SettingsLib/Spa/testutils/src/MockitoHelper.kt
@@ -0,0 +1,29 @@
+/*
+ * 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 com.android.settingslib.spa.testutils
+
+import org.mockito.Mockito
+
+/**
+ * Returns Mockito.any() as nullable type to avoid java.lang.IllegalStateException when null is
+ * returned.
+ *
+ * Generic T is nullable because implicitly bounded by Any?.
+ */
+fun <T> any(type: Class<T>): T = Mockito.any(type)
+
+inline fun <reified T> any(): T = any(T::class.java)