[android] add unit tests for #13947

1 files changed, 58 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/storage/FileSourceMapTest.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/storage/FileSourceMapTest.kt
new file mode 100644
index 0000000000..0d4823a93d
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/storage/FileSourceMapTest.kt
@@ -0,0 +1,58 @@
+package com.mapbox.mapboxsdk.testapp.storage
+
+import android.support.test.annotation.UiThreadTest
+import android.support.test.rule.ActivityTestRule
+import android.support.test.runner.AndroidJUnit4
+import com.mapbox.mapboxsdk.storage.FileSource
+import com.mapbox.mapboxsdk.testapp.activity.espresso.EspressoTestActivity
+import junit.framework.Assert
+import org.junit.After
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.rules.TestName
+import org.junit.runner.RunWith
+import java.util.concurrent.CountDownLatch
+
+@RunWith(AndroidJUnit4::class)
+open class FileSourceMapTest {
+
+  private lateinit var fileSourceTestUtils: FileSourceTestUtils
+
+  @get:Rule
+  val rule = ActivityTestRule(EspressoTestActivity::class.java)
+
+  @get:Rule
+  val testName = TestName()
+
+  @Before
+  @UiThreadTest
+  fun setup() {
+    fileSourceTestUtils = FileSourceTestUtils(rule.activity)
+    fileSourceTestUtils.setup()
+  }
+
+  @Test
+  fun changeResourcesPathWhileMapVisible() {
+    val latch = CountDownLatch(1)
+    rule.activity.runOnUiThread {
+      FileSource.setResourcesCachePath(rule.activity, fileSourceTestUtils.testPath, object : FileSource.ResourcesCachePathChangeCallback {
+        override fun onSuccess(path: String?) {
+          Assert.fail("Requested resources change while the map is running should fail")
+        }
+
+        override fun onError(message: String?) {
+          Assert.assertEquals("Cannot set path, file source is activated."
+            + " Make sure that the map or a resources download is not running.", message)
+          latch.countDown()
+        }
+      })
+    }
+    latch.await()
+  }
+
+  @After
+  fun cleanup() {
+    fileSourceTestUtils.cleanup()
+  }
+}
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