Fix spamming log in renderer (#2824)

Author: kiryldz

maps-sdk/src/main/java/com/mapbox/maps/renderer/MapboxRenderThread.kt

@@ -64,7 +64,8 @@ internal class MapboxRenderThread : Choreographer.FrameCallback {
   @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
   internal val nonRenderEventQueue = ConcurrentLinkedQueue<RenderEvent>()
 
-  private var surface: Surface? = null
+  @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+  internal var surface: Surface? = null
   @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
   internal var eglSurface: EGLSurface
   private var width: Int = 0
@@ -663,7 +664,7 @@ internal class MapboxRenderThread : Choreographer.FrameCallback {
           logI(TAG, "Setting up render thread failed, check logs above.")
         }
       }
-    } else {
+    } else if (!paused) {
       logI(TAG, "renderThreadPrepared=false and Android surface is not valid (isValid=${surface?.isValid}). Waiting for new one.")
     }
   }

maps-sdk/src/test/java/com/mapbox/maps/renderer/MapboxRenderThreadTest.kt

@@ -1065,4 +1065,21 @@ class MapboxRenderThreadTest {
       mapboxRenderer.destroyRenderer()
     }
   }
+
+  @Test
+  fun noLogSpamDuringPauseTest() {
+    initRenderThread()
+    provideValidSurface()
+    mapboxRenderThread.pause()
+    // easiest way to simulate that Android surface is not valid
+    mapboxRenderThread.surface = null
+    mapboxRenderThread.eglContextMadeCurrent = false
+    idleHandler()
+    // make sure we do not print any logI
+    every { logI(any(), any()) } answers { throw RuntimeException() }
+    // simulate engine sending request render while we are paused
+    mapboxRenderThread.queueRenderEvent(MapboxRenderer.repaintRenderEvent)
+    idleHandler()
+    every { logI(any(), any()) } answers { Log.i(firstArg(), secondArg()) }
+  }
 }