Merge "Add PackageManager.resolveActionForApp() for Spa"

packages/SettingsLib/SpaPrivileged/src/com/android/settingslib/spaprivileged/model/app/PackageManagerExt.kt

@@ -1,6 +1,26 @@
+/*
+ * 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.spaprivileged.model.app
 
+import android.content.Intent
+import android.content.pm.ActivityInfo
+import android.content.pm.ApplicationInfo
 import android.content.pm.PackageManager
+import android.content.pm.PackageManager.ResolveInfoFlags
 
 /**
  * Checks if a package is system module.
@@ -12,3 +32,18 @@ fun PackageManager.isSystemModule(packageName: String): Boolean = try {
     // Expected, not system module
     false
 }
+
+/**
+ * Resolves the activity to start for a given application and action.
+ */
+fun PackageManager.resolveActionForApp(
+    app: ApplicationInfo,
+    action: String,
+    flags: Int = 0,
+): ActivityInfo? {
+    val intent = Intent(action).apply {
+        `package` = app.packageName
+    }
+    return resolveActivityAsUser(intent, ResolveInfoFlags.of(flags.toLong()), app.userId)
+        ?.activityInfo
+}

packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/model/app/PackageManagerExtTest.kt

@@ -0,0 +1,129 @@
+/*
+ * 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.spaprivileged.model.app
+
+import android.content.ComponentName
+import android.content.pm.ActivityInfo
+import android.content.pm.ApplicationInfo
+import android.content.pm.ModuleInfo
+import android.content.pm.PackageManager
+import android.content.pm.PackageManager.NameNotFoundException
+import android.content.pm.PackageManager.ResolveInfoFlags
+import android.content.pm.ResolveInfo
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.google.common.truth.Truth.assertThat
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.ArgumentCaptor
+import org.mockito.Mock
+import org.mockito.Mockito.any
+import org.mockito.Mockito.eq
+import org.mockito.Mockito.verify
+import org.mockito.junit.MockitoJUnit
+import org.mockito.junit.MockitoRule
+import org.mockito.Mockito.`when` as whenever
+
+@RunWith(AndroidJUnit4::class)
+class PackageManagerExtTest {
+    @JvmField
+    @Rule
+    val mockito: MockitoRule = MockitoJUnit.rule()
+
+    @Mock
+    private lateinit var packageManager: PackageManager
+
+    private fun mockResolveActivityAsUser(resolveInfo: ResolveInfo?) {
+        whenever(
+            packageManager.resolveActivityAsUser(any(), any<ResolveInfoFlags>(), eq(APP.userId))
+        ).thenReturn(resolveInfo)
+    }
+
+    @Test
+    fun isSystemModule_whenSystemModule_returnTrue() {
+        whenever(packageManager.getModuleInfo(PACKAGE_NAME, 0)).thenReturn(ModuleInfo())
+
+        val isSystemModule = packageManager.isSystemModule(PACKAGE_NAME)
+
+        assertThat(isSystemModule).isTrue()
+    }
+
+    @Test
+    fun isSystemModule_whenNotSystemModule_returnFalse() {
+        whenever(packageManager.getModuleInfo(PACKAGE_NAME, 0)).thenThrow(NameNotFoundException())
+
+        val isSystemModule = packageManager.isSystemModule(PACKAGE_NAME)
+
+        assertThat(isSystemModule).isFalse()
+    }
+
+    @Test
+    fun resolveActionForApp_noResolveInfo() {
+        mockResolveActivityAsUser(null)
+
+        val activityInfo = packageManager.resolveActionForApp(APP, ACTION)
+
+        assertThat(activityInfo).isNull()
+    }
+
+    @Test
+    fun resolveActionForApp_noActivityInfo() {
+        mockResolveActivityAsUser(ResolveInfo())
+
+        val activityInfo = packageManager.resolveActionForApp(APP, ACTION)
+
+        assertThat(activityInfo).isNull()
+    }
+
+    @Test
+    fun resolveActionForApp_hasActivityInfo() {
+        mockResolveActivityAsUser(ResolveInfo().apply {
+            activityInfo = ActivityInfo().apply {
+                packageName = PACKAGE_NAME
+                name = ACTIVITY_NAME
+            }
+        })
+
+        val activityInfo = packageManager.resolveActionForApp(APP, ACTION)!!
+
+        assertThat(activityInfo.componentName).isEqualTo(ComponentName(PACKAGE_NAME, ACTIVITY_NAME))
+    }
+
+    @Test
+    fun resolveActionForApp_withFlags() {
+        packageManager.resolveActionForApp(
+            app = APP,
+            action = ACTION,
+            flags = PackageManager.GET_META_DATA,
+        )
+
+        val flagsCaptor = ArgumentCaptor.forClass(ResolveInfoFlags::class.java)
+        verify(packageManager).resolveActivityAsUser(any(), flagsCaptor.capture(), eq(APP.userId))
+        assertThat(flagsCaptor.value.value).isEqualTo(PackageManager.GET_META_DATA.toLong())
+    }
+
+    private companion object {
+        const val PACKAGE_NAME = "package.name"
+        const val ACTIVITY_NAME = "ActivityName"
+        const val ACTION = "action"
+        const val UID = 123
+        val APP = ApplicationInfo().apply {
+            packageName = PACKAGE_NAME
+            uid = UID
+        }
+    }
+}