Migrated BleGattExceptionTest.

Author: dariuszseweryn

rxandroidble/src/test/groovy/com/polidea/rxandroidble2/exceptions/BleGattExceptionTest.groovy

@@ -0,0 +1,26 @@
+package com.polidea.rxandroidble2.exceptions;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import android.bluetooth.BluetoothGatt;
+
+import org.junit.jupiter.api.Test;
+
+import utils.MockUtils;
+
+public class BleGattExceptionTest {
+
+    @Test
+    public void toStringShouldContainMessage() {
+        // given
+        BluetoothGatt mockBtGatt = MockUtils.bluetoothGatt("AA:BB:CC:DD:EE:FF");
+        BleGattException out = new BleGattException(mockBtGatt, 10, BleGattOperationType.CONNECTION_STATE);
+
+        // expect
+        assertEquals(out.toString(),
+        "com.polidea.rxandroidble2.exceptions.BleGattException: GATT exception from MAC='XX:XX:XX:XX:XX:XX', status 10 (GATT_NOT_FOUND), " +
+                "type BleGattOperation{description='CONNECTION_STATE'}. " +
+                "(Look up status 0x0a here " +
+                "https://cs.android.com/android/platform/superproject/+/master:packages/modules/Bluetooth/system/stack/include/gatt_api.h)");
+    }
+}

rxandroidble/src/test/java/com/polidea/rxandroidble2/exceptions/BleGattExceptionTest.java

@@ -0,0 +1,17 @@
+package utils;
+
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothGatt;
+
+import org.mockito.Mockito;
+
+public class MockUtils {
+
+    public static BluetoothGatt bluetoothGatt(String deviceAddress) {
+        BluetoothGatt bluetoothGatt = Mockito.mock(BluetoothGatt.class);
+        BluetoothDevice bluetoothDevice = Mockito.mock(BluetoothDevice.class);
+        Mockito.when(bluetoothGatt.getDevice()).thenReturn(bluetoothDevice);
+        Mockito.when(bluetoothDevice.getAddress()).thenReturn(deviceAddress);
+        return bluetoothGatt;
+    }
+}