Test su request via instrumentation

app/core/src/main/java/com/topjohnwu/magisk/test/Environment.kt

@@ -8,16 +8,16 @@ import androidx.core.net.toUri
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
 import com.topjohnwu.magisk.core.BuildConfig.APP_PACKAGE_NAME
-import com.topjohnwu.magisk.core.Config
 import com.topjohnwu.magisk.core.di.ServiceLocator
 import com.topjohnwu.magisk.core.download.DownloadNotifier
 import com.topjohnwu.magisk.core.download.DownloadProcessor
 import com.topjohnwu.magisk.core.ktx.cachedFile
-import com.topjohnwu.magisk.core.model.su.SuPolicy
 import com.topjohnwu.magisk.core.tasks.AppMigration
 import com.topjohnwu.magisk.core.tasks.FlashZip
 import com.topjohnwu.magisk.core.tasks.MagiskInstaller
+import com.topjohnwu.magisk.core.utils.RootUtils
 import com.topjohnwu.superuser.CallbackList
+import com.topjohnwu.superuser.Shell
 import kotlinx.coroutines.runBlocking
 import org.junit.Assert.assertTrue
 import org.junit.Assume.assumeTrue
@@ -34,7 +34,11 @@ class Environment {
     companion object {
         @BeforeClass
         @JvmStatic
-        fun before() = MagiskAppTest.before()
+        fun before() {
+            assertTrue("Should have root access", Shell.getShell().isRoot)
+            // Make sure the root service is running
+            RootUtils.Connection.await()
+        }
 
         fun lsposed(): Boolean {
             return Build.VERSION.SDK_INT >= 27 && Build.VERSION.SDK_INT <= 34
@@ -88,23 +92,6 @@ class Environment {
         }
     }
 
-    @Test
-    fun setupShellGrantTest() {
-        runBlocking {
-            // Inject an undetermined + mute logging policy for ADB shell
-            val policy = SuPolicy(
-                uid = 2000,
-                logging = false,
-                notification = false,
-                until = 0L
-            )
-            ServiceLocator.policyDB.update(policy)
-            // Bypass the need to actually show a dialog
-            Config.suAutoResponse = Config.Value.SU_AUTO_ALLOW
-            Config.prefs.edit().commit()
-        }
-    }
-
     @Test
     fun setupAppHide() {
         runBlocking {

app/core/src/main/java/com/topjohnwu/magisk/test/MagiskAppTest.kt

@@ -1,14 +1,26 @@
 package com.topjohnwu.magisk.test
 
+import android.app.Instrumentation
+import android.content.Intent
+import android.content.IntentFilter
+import android.os.Build
 import androidx.annotation.Keep
 import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import com.topjohnwu.magisk.core.Config
 import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.utils.RootUtils
-import com.topjohnwu.superuser.Shell
+import com.topjohnwu.magisk.core.di.ServiceLocator
+import com.topjohnwu.magisk.core.model.su.SuPolicy
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
 import org.junit.Assert.assertTrue
+import org.junit.Before
 import org.junit.BeforeClass
 import org.junit.Test
 import org.junit.runner.RunWith
+import java.io.FileInputStream
+import java.util.concurrent.TimeUnit
 
 @Keep
 @RunWith(AndroidJUnit4::class)
@@ -17,15 +29,69 @@ class MagiskAppTest {
     companion object {
         @BeforeClass
         @JvmStatic
-        fun before() {
-            assertTrue("Should have root access", Shell.getShell().isRoot)
-            // Make sure the root service is running
-            RootUtils.Connection.await()
-        }
+        fun before() = Environment.before()
+    }
+
+    private lateinit var inst: Instrumentation
+    private val uiAutomation get() = inst.uiAutomation
+
+    @Before
+    fun setup() {
+        inst = InstrumentationRegistry.getInstrumentation()
     }
 
     @Test
     fun testZygisk() {
         assertTrue("Zygisk should be enabled", Info.isZygiskEnabled)
     }
+
+    @Test
+    fun testSuRequest() {
+        // Bypass the need to actually show a dialog
+        Config.suAutoResponse = Config.Value.SU_AUTO_ALLOW
+        Config.prefs.edit().commit()
+
+        // Inject an undetermined + mute logging policy for ADB shell
+        val policy = SuPolicy(
+            uid = 2000,
+            logging = false,
+            notification = false,
+            until = 0L
+        )
+        runBlocking {
+            ServiceLocator.policyDB.update(policy)
+        }
+
+        val filter = IntentFilter(Intent.ACTION_VIEW)
+        filter.addCategory(Intent.CATEGORY_DEFAULT)
+        val monitor = inst.addMonitor(filter, null, false)
+
+        // Try to call su from ADB shell
+        val cmd = if (Build.VERSION.SDK_INT < 24) {
+            // API 23 runs executeShellCommand as root
+            "/system/xbin/su 2000 su -c id"
+        } else {
+            "su -c id"
+        }
+        val pfd = uiAutomation.executeShellCommand(cmd)
+
+        // Make sure SuRequestActivity is launched
+        val suRequest = monitor.waitForActivityWithTimeout(TimeUnit.SECONDS.toMillis(10))
+        assertNotNull("SuRequestActivity is not launched", suRequest)
+
+        // Check that the request went through
+        FileInputStream(pfd.fileDescriptor).use {
+            assertTrue(
+                "Cannot grant root permission from shell",
+                it.reader().readText().contains("uid=0")
+            )
+        }
+
+        // Check that the database is updated
+        runBlocking {
+            val policy = ServiceLocator.policyDB.fetch(2000)
+                ?: throw AssertionError("PolicyDB is invalid")
+            assertEquals("Policy for shell is incorrect", SuPolicy.ALLOW, policy.policy)
+        }
+    }
 }

scripts/test_common.sh

@@ -67,11 +67,6 @@ run_tests() {
   # Run app tests
   am_instrument '.MagiskAppTest,.AdditionalTest'
 
-  # Test shell su request
-  am_instrument '.Environment#setupShellGrantTest'
-  adb shell /system/xbin/su 2000 su -c id | tee /dev/fd/2 | grep -q 'uid=0'
-  adb shell am force-stop com.topjohnwu.magisk
-
   # Test app hiding
   am_instrument '.Environment#setupAppHide'
   wait_for_pm com.topjohnwu.magisk
@@ -79,11 +74,6 @@ run_tests() {
   # Make sure it still works
   am_instrument '.MagiskAppTest' true
 
-  # Test shell su request
-  am_instrument '.Environment#setupShellGrantTest' true
-  adb shell /system/xbin/su 2000 su -c id | tee /dev/fd/2 | grep -q 'uid=0'
-  adb shell am force-stop repackaged.com.topjohnwu.magisk
-
   # Test app restore
   am_instrument '.Environment#setupAppRestore' true
   wait_for_pm repackaged.com.topjohnwu.magisk