Add unit tests for DisposableBroadcastReceiverAsUser

Bug: 260660819
Test: Unit test
Change-Id: I2935860301a7d545b2cef39d9fc44c0dc7b729d2

packages/SettingsLib/SpaPrivileged/tests/src/com/android/settingslib/spaprivileged/framework/compose/DisposableBroadcastReceiverAsUserTest.kt

@@ -0,0 +1,108 @@
+/*
+ * 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.framework.compose
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.os.UserHandle
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.Mockito.any
+import org.mockito.junit.MockitoJUnit
+import org.mockito.junit.MockitoRule
+import org.mockito.Mockito.`when` as whenever
+
+@RunWith(AndroidJUnit4::class)
+class DisposableBroadcastReceiverAsUserTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @get:Rule
+    val mockito: MockitoRule = MockitoJUnit.rule()
+
+    @Mock
+    private lateinit var context: Context
+
+    private var registeredBroadcastReceiver: BroadcastReceiver? = null
+
+    @Before
+    fun setUp() {
+        whenever(context.registerReceiverAsUser(any(), any(), any(), any(), any()))
+            .thenAnswer {
+                registeredBroadcastReceiver = it.arguments[0] as BroadcastReceiver
+                null
+            }
+    }
+
+    @Test
+    fun broadcastReceiver_registered() {
+        composeTestRule.setContent {
+            CompositionLocalProvider(LocalContext provides context) {
+                DisposableBroadcastReceiverAsUser(IntentFilter(), USER_HANDLE) {}
+            }
+        }
+
+        assertThat(registeredBroadcastReceiver).isNotNull()
+    }
+
+    @Test
+    fun broadcastReceiver_isCalledOnReceive() {
+        var onReceiveIsCalled = false
+        composeTestRule.setContent {
+            CompositionLocalProvider(LocalContext provides context) {
+                DisposableBroadcastReceiverAsUser(IntentFilter(), USER_HANDLE) {
+                    onReceiveIsCalled = true
+                }
+            }
+        }
+
+        registeredBroadcastReceiver!!.onReceive(context, Intent())
+
+        assertThat(onReceiveIsCalled).isTrue()
+    }
+
+    @Test
+    fun broadcastReceiver_onStartIsCalled() {
+        var onStartIsCalled = false
+        composeTestRule.setContent {
+            CompositionLocalProvider(LocalContext provides context) {
+                DisposableBroadcastReceiverAsUser(
+                    intentFilter = IntentFilter(),
+                    userHandle = USER_HANDLE,
+                    onStart = { onStartIsCalled = true },
+                    onReceive = {},
+                )
+            }
+        }
+
+        assertThat(onStartIsCalled).isTrue()
+    }
+
+    private companion object {
+        val USER_HANDLE: UserHandle = UserHandle.of(0)
+    }
+}