diff options
Diffstat (limited to 'platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/utils')
-rw-r--r-- | platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/utils/MockParcel.java | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/utils/MockParcel.java b/platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/utils/MockParcel.java new file mode 100644 index 0000000000..dd4c7b25ee --- /dev/null +++ b/platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/utils/MockParcel.java @@ -0,0 +1,254 @@ +package com.mapbox.mapboxsdk.utils; + +import android.os.Parcel; +import android.os.Parcelable; +import android.support.annotation.NonNull; + +import org.mockito.invocation.InvocationOnMock; +import org.mockito.stubbing.Answer; + +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.List; + +import static junit.framework.Assert.assertEquals; +import static org.junit.Assert.assertArrayEquals; +import static org.mockito.Matchers.any; +import static org.mockito.Matchers.anyByte; +import static org.mockito.Matchers.anyDouble; +import static org.mockito.Matchers.anyFloat; +import static org.mockito.Matchers.anyInt; +import static org.mockito.Matchers.anyLong; +import static org.mockito.Matchers.anyString; +import static org.mockito.Matchers.eq; +import static org.mockito.Mockito.doAnswer; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +public class MockParcel { + + public static Parcelable obtain(@NonNull Parcelable object) { + return obtain(object, 0); + } + + public static Parcelable obtain(@NonNull Parcelable object, int describeContentsValue) { + testDescribeContents(object, describeContentsValue); + testParcelableArray(object); + return testParcelable(object); + } + + public static Parcelable testParcelable(@NonNull Parcelable object) { + Parcel parcel = ParcelMocker.obtain(object); + object.writeToParcel(parcel, 0); + parcel.setDataPosition(0); + + try { + Field field = object.getClass().getDeclaredField("CREATOR"); + field.setAccessible(true); + Class<?> creatorClass = field.getType(); + Object fieldValue = field.get(object); + Method myMethod = creatorClass.getDeclaredMethod("createFromParcel", Parcel.class); + return (Parcelable) myMethod.invoke(fieldValue, parcel); + } catch (Exception exception) { + return null; + } + } + + public static void testParcelableArray(@NonNull Parcelable object) { + Parcelable[] objects = new Parcelable[] {object}; + Parcel parcel = ParcelMocker.obtain(objects); + parcel.writeParcelableArray(objects, 0); + parcel.setDataPosition(0); + Parcelable[] parcelableArray = parcel.readParcelableArray(object.getClass().getClassLoader()); + assertArrayEquals("parcel should match initial object", objects, parcelableArray); + } + + public static void testDescribeContents(@NonNull Parcelable object, int describeContentsValue) { + if (describeContentsValue == 0) { + assertEquals("\nExpecting a describeContents() value of 0 for a " + object.getClass().getSimpleName() + + " instance." + "\nYou can provide a different value for describeContentValue through the obtain method.", + 0, + object.describeContents()); + } else { + assertEquals("Expecting a describeContents() value of " + describeContentsValue, + describeContentsValue, + object.describeContents()); + } + } + + private static class ParcelMocker { + + public static Parcel obtain(@NonNull Parcelable target) { + Parcel parcel = new ParcelMocker(target).getMockedParcel(); + target.writeToParcel(parcel, 0); + parcel.setDataPosition(0); + return parcel; + } + + public static Parcel obtain(@NonNull Parcelable[] targets) { + if (targets.length == 0) { + throw new IllegalArgumentException("The passed argument may not be empty"); + } + Parcel parcel = new ParcelMocker(targets[0]).getMockedParcel(); + parcel.writeParcelableArray(targets, 0); + parcel.setDataPosition(0); + return parcel; + } + + private List<Object> objects; + private Object object; + private Parcel mockedParcel; + private int position; + + private ParcelMocker(Object o) { + this.object = o; + mockedParcel = mock(Parcel.class); + objects = new ArrayList<>(); + setupMock(); + } + + private Parcel getMockedParcel() { + return mockedParcel; + } + + private void setupMock() { + setupWrites(); + setupReads(); + setupOthers(); + } + + private void setupWrites() { + Answer<Void> writeValueAnswer = new Answer<Void>() { + @Override + public Void answer(InvocationOnMock invocation) throws Throwable { + Object parameter = invocation.getArguments()[0]; + objects.add(parameter); + return null; + } + }; + Answer<Void> writeArrayAnswer = new Answer<Void>() { + @Override + public Void answer(InvocationOnMock invocation) throws Throwable { + Object[] parameters = (Object[]) invocation.getArguments()[0]; + objects.add(parameters.length); + for (Object o : parameters) { + objects.add(o); + } + return null; + } + }; + Answer<Void> writeIntArrayAnswer = new Answer<Void>() { + @Override + public Void answer(InvocationOnMock invocation) throws Throwable { + int[] parameters = (int[]) invocation.getArguments()[0]; + if (parameters != null) { + objects.add(parameters.length); + for (Object o : parameters) { + objects.add(o); + } + } else { + objects.add(-1); + } + return null; + } + }; + doAnswer(writeValueAnswer).when(mockedParcel).writeByte(anyByte()); + doAnswer(writeValueAnswer).when(mockedParcel).writeLong(anyLong()); + doAnswer(writeValueAnswer).when(mockedParcel).writeString(anyString()); + doAnswer(writeValueAnswer).when(mockedParcel).writeInt(anyInt()); + doAnswer(writeIntArrayAnswer).when(mockedParcel).writeIntArray(any(int[].class)); + doAnswer(writeValueAnswer).when(mockedParcel).writeDouble(anyDouble()); + doAnswer(writeValueAnswer).when(mockedParcel).writeFloat(anyFloat()); + doAnswer(writeValueAnswer).when(mockedParcel).writeParcelable(any(Parcelable.class), eq(0)); + doAnswer(writeArrayAnswer).when(mockedParcel).writeParcelableArray(any(Parcelable[].class), eq(0)); + } + + private void setupReads() { + when(mockedParcel.readInt()).then(new Answer<Integer>() { + @Override + public Integer answer(InvocationOnMock invocation) throws Throwable { + return (Integer) objects.get(position++); + } + }); + when(mockedParcel.readByte()).thenAnswer(new Answer<Byte>() { + @Override + public Byte answer(InvocationOnMock invocation) throws Throwable { + return (Byte) objects.get(position++); + } + }); + when(mockedParcel.readLong()).thenAnswer(new Answer<Long>() { + @Override + public Long answer(InvocationOnMock invocation) throws Throwable { + return (Long) objects.get(position++); + } + }); + when(mockedParcel.readString()).thenAnswer(new Answer<String>() { + @Override + public String answer(InvocationOnMock invocation) throws Throwable { + return (String) objects.get(position++); + } + }); + when(mockedParcel.readDouble()).thenAnswer(new Answer<Double>() { + @Override + public Double answer(InvocationOnMock invocation) throws Throwable { + return (Double) objects.get(position++); + } + }); + when(mockedParcel.readFloat()).thenAnswer(new Answer<Float>() { + @Override + public Float answer(InvocationOnMock invocation) throws Throwable { + return (Float) objects.get(position++); + } + }); + when(mockedParcel.readParcelable(Parcelable.class.getClassLoader())).thenAnswer(new Answer<Parcelable>() { + @Override + public Parcelable answer(InvocationOnMock invocation) throws Throwable { + return (Parcelable) objects.get(position++); + } + }); + when(mockedParcel.readParcelableArray(Parcelable.class.getClassLoader())).thenAnswer(new Answer<Object[]>() { + @Override + public Object[] answer(InvocationOnMock invocation) throws Throwable { + int size = (Integer) objects.get(position++); + Field field = object.getClass().getDeclaredField("CREATOR"); + field.setAccessible(true); + Class<?> creatorClass = field.getType(); + Object fieldValue = field.get(object); + Method myMethod = creatorClass.getDeclaredMethod("newArray", int.class); + Object[] array = (Object[]) myMethod.invoke(fieldValue, size); + for (int i = 0; i < size; i++) { + array[i] = objects.get(position++); + } + return array; + } + }); + when(mockedParcel.createIntArray()).then(new Answer<int[]>() { + @Override + public int[] answer(InvocationOnMock invocation) throws Throwable { + int size = (Integer) objects.get(position++); + if (size == -1) { + return null; + } + + int[] array = new int[size]; + for (int i = 0; i < size; i++) { + array[i] = (Integer) objects.get(position++); + } + + return array; + } + }); + } + + private void setupOthers() { + doAnswer(new Answer<Void>() { + @Override + public Void answer(InvocationOnMock invocation) throws Throwable { + position = ((Integer) invocation.getArguments()[0]); + return null; + } + }).when(mockedParcel).setDataPosition(anyInt()); + } + } +} |