| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.ui.core.input |
| |
| import com.nhaarman.mockitokotlin2.any |
| import com.nhaarman.mockitokotlin2.eq |
| import com.nhaarman.mockitokotlin2.mock |
| import com.nhaarman.mockitokotlin2.never |
| import com.nhaarman.mockitokotlin2.times |
| import com.nhaarman.mockitokotlin2.verify |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @RunWith(JUnit4::class) |
| class FocusManagerTest { |
| @Test |
| fun requestFocusTest() { |
| val focusNode1 = FocusNode() |
| val observer: FocusTransitionObserver = mock() |
| |
| val fm = FocusManagerImpl() |
| fm.registerObserver(focusNode1, observer) |
| fm.requestFocus(focusNode1) |
| |
| verify(observer, times(1)).invoke(eq(null), eq(focusNode1)) |
| } |
| |
| @Test |
| fun requestFocus_CallingOrderTest() { |
| val focusNode1 = FocusNode() |
| val focusNode2 = FocusNode() |
| |
| val observer1: FocusTransitionObserver = mock() |
| val observer2: FocusTransitionObserver = mock() |
| |
| val fm = FocusManagerImpl() |
| fm.registerObserver(focusNode1, observer1) |
| fm.registerObserver(focusNode2, observer2) |
| fm.requestFocus(focusNode1) |
| fm.requestFocus(focusNode2) |
| |
| verify(observer1, times(1)).invoke(eq(focusNode1), eq(focusNode2)) |
| } |
| |
| @Test |
| fun requestFocus_doNothingIfAlreadyFocused() { |
| val focusNode1 = FocusNode() |
| val observer: FocusTransitionObserver = mock() |
| |
| val fm = FocusManagerImpl() |
| fm.registerObserver(focusNode1, observer) |
| fm.requestFocus(focusNode1) |
| verify(observer, times(1)).invoke(eq(null), eq(focusNode1)) |
| |
| // Either onFocus or onBlur must not be called for the already focused object. |
| fm.requestFocus(focusNode1) |
| verify(observer, never()).invoke(any(), any()) |
| } |
| |
| @Test |
| fun blur() { |
| val focusNode: FocusNode = mock() |
| val observer = mock<FocusTransitionObserver>() |
| |
| val fm = FocusManagerImpl() |
| fm.registerObserver(focusNode, observer) |
| fm.requestFocus(focusNode) |
| |
| // onBlur must be called to currently focused object, then onFocus is called to the next |
| // object. |
| fm.blur(focusNode) |
| verify(observer, times(1)).invoke(eq(focusNode), eq(null)) |
| } |
| } |