Add missing commands to DumpHandler

Test: atest DumpHandler
Bug: 237786667
Change-Id: I3a3ec2728ad439e829eeff030e1227c32bae10cb

packages/SystemUI/src/com/android/systemui/dump/DumpHandler.kt

@@ -235,6 +235,7 @@ class DumpHandler @Inject constructor(
         pw.println("$ <invocation> buffers")
         pw.println("$ <invocation> bugreport-critical")
         pw.println("$ <invocation> bugreport-normal")
+        pw.println("$ <invocation> config")
         pw.println()
 
         pw.println("Targets can be listed:")
@@ -313,13 +314,21 @@ class DumpHandler @Inject constructor(
         const val PRIORITY_ARG_CRITICAL = "CRITICAL"
         const val PRIORITY_ARG_HIGH = "HIGH"
         const val PRIORITY_ARG_NORMAL = "NORMAL"
+        const val PROTO = "--sysui_proto"
     }
 }
 
 private val PRIORITY_OPTIONS =
         arrayOf(PRIORITY_ARG_CRITICAL, PRIORITY_ARG_HIGH, PRIORITY_ARG_NORMAL)
 
-private val COMMANDS = arrayOf("bugreport-critical", "bugreport-normal", "buffers", "dumpables")
+private val COMMANDS = arrayOf(
+        "bugreport-critical",
+        "bugreport-normal",
+        "buffers",
+        "dumpables",
+        "config",
+        "help"
+)
 
 private class ParsedArgs(
     val rawArgs: Array<String>,

packages/SystemUI/tests/src/com/android/systemui/dump/DumpHandlerTest.kt

@@ -17,11 +17,13 @@
 package com.android.systemui.dump
 
 import androidx.test.filters.SmallTest
+import com.android.systemui.CoreStartable
 import com.android.systemui.Dumpable
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.log.LogBuffer
 import com.android.systemui.shared.system.UncaughtExceptionPreHandlerManager
 import com.android.systemui.util.mockito.any
+import com.google.common.truth.Truth.assertThat
 import org.junit.Before
 import org.junit.Test
 import org.mockito.Mock
@@ -30,6 +32,8 @@ import org.mockito.Mockito.never
 import org.mockito.Mockito.verify
 import org.mockito.MockitoAnnotations
 import java.io.PrintWriter
+import java.io.StringWriter
+import javax.inject.Provider
 
 @SmallTest
 class DumpHandlerTest : SysuiTestCase() {
@@ -66,7 +70,9 @@ class DumpHandlerTest : SysuiTestCase() {
             mContext,
             dumpManager,
             logBufferEulogizer,
-            mutableMapOf(),
+            mutableMapOf(
+                EmptyCoreStartable::class.java to Provider { EmptyCoreStartable() }
+            ),
             exceptionHandlerManager
         )
     }
@@ -154,4 +160,20 @@ class DumpHandlerTest : SysuiTestCase() {
         verify(buffer1).dump(pw, 0)
         verify(buffer2).dump(pw, 0)
     }
-}
+
+    @Test
+    fun testConfigDump() {
+        // GIVEN a StringPrintWriter
+        val stringWriter = StringWriter()
+        val spw = PrintWriter(stringWriter)
+
+        // When a config dump is requested
+        dumpHandler.dump(spw, arrayOf("config"))
+
+        assertThat(stringWriter.toString()).contains(EmptyCoreStartable::class.java.simpleName)
+    }
+
+    private class EmptyCoreStartable : CoreStartable {
+        override fun start() {}
+    }
+}