[android] - espresso tests reworkupstream/tvn-espresso-test

1 files changed, 40 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/utils/LoadStyleIdlingResource.java b/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/utils/LoadStyleIdlingResource.java
new file mode 100644
index 0000000000..5dead21fbb
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/utils/LoadStyleIdlingResource.java
@@ -0,0 +1,40 @@
+package com.mapbox.mapboxsdk.testapp.utils;
+
+import android.app.Activity;
+import android.os.Handler;
+import android.os.Looper;
+import android.support.annotation.UiThread;
+import android.support.annotation.WorkerThread;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.Style;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class LoadStyleIdlingResource extends MapboxIdlingResource {
+
+  private Style style;
+
+  @WorkerThread
+  public LoadStyleIdlingResource(final Activity activity) {
+    new Handler(Looper.getMainLooper()).post(() -> inflateMap(activity));
+  }
+
+  @UiThread
+  public void initMap(MapboxMap mapboxMap) {
+    super.initMap(mapboxMap);
+    mapboxMap.setStyle("asset://streets.json", style -> {
+      assertNotNull(style);
+      assertTrue(style.isFullyLoaded());
+      this.style = style;
+      if (resourceCallback != null) {
+        resourceCallback.onTransitionToIdle();
+      }
+    });
+  }
+
+  @Override
+  public boolean isIdleNow() {
+    return style != null;
+  }
+}
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