| /* |
| * 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.selection |
| |
| import androidx.test.filters.SmallTest |
| import androidx.ui.core.LayoutCoordinates |
| import androidx.compose.ui.geometry.Offset |
| import com.google.common.truth.Truth.assertThat |
| import com.nhaarman.mockitokotlin2.mock |
| import com.nhaarman.mockitokotlin2.whenever |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.JUnit4 |
| |
| @SmallTest |
| @RunWith(JUnit4::class) |
| class SelectionRegistrarImplTest { |
| @Test |
| fun subscribe() { |
| val handler1: Selectable = mock() |
| val handler2: Selectable = mock() |
| val selectionRegistrar = SelectionRegistrarImpl() |
| |
| val id1 = selectionRegistrar.subscribe(handler1) |
| val id2 = selectionRegistrar.subscribe(handler2) |
| |
| assertThat(id1).isEqualTo(handler1) |
| assertThat(id2).isEqualTo(handler2) |
| assertThat(selectionRegistrar.selectables.size).isEqualTo(2) |
| } |
| |
| @Test |
| fun unsubscribe() { |
| val handler1: Selectable = mock() |
| val handler2: Selectable = mock() |
| val selectionRegistrar = SelectionRegistrarImpl() |
| selectionRegistrar.subscribe(handler1) |
| val id2 = selectionRegistrar.subscribe(handler2) |
| |
| selectionRegistrar.unsubscribe(id2) |
| |
| assertThat(selectionRegistrar.selectables.size).isEqualTo(1) |
| } |
| |
| @Test |
| fun sort() { |
| // Setup. |
| val handler0 = mock<Selectable>() |
| val handler1 = mock<Selectable>() |
| val handler2 = mock<Selectable>() |
| val handler3 = mock<Selectable>() |
| |
| val layoutCoordinates0 = mock<LayoutCoordinates>() |
| val layoutCoordinates1 = mock<LayoutCoordinates>() |
| val layoutCoordinates2 = mock<LayoutCoordinates>() |
| val layoutCoordinates3 = mock<LayoutCoordinates>() |
| |
| whenever(handler0.getLayoutCoordinates()).thenReturn(layoutCoordinates0) |
| whenever(handler1.getLayoutCoordinates()).thenReturn(layoutCoordinates1) |
| whenever(handler2.getLayoutCoordinates()).thenReturn(layoutCoordinates2) |
| whenever(handler3.getLayoutCoordinates()).thenReturn(layoutCoordinates3) |
| |
| // The order of the 4 handlers should be 1, 0, 3, 2. |
| val relativeCoordinates0 = Offset(20f, 12f) |
| val relativeCoordinates1 = Offset(5f, 12f) |
| val relativeCoordinates2 = Offset(20f, 24f) |
| val relativeCoordinates3 = Offset(5f, 24f) |
| |
| val containerLayoutCoordinates = mock<LayoutCoordinates>() |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates0, Offset.Zero)) |
| .thenReturn(relativeCoordinates0) |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates1, Offset.Zero)) |
| .thenReturn(relativeCoordinates1) |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates2, Offset.Zero)) |
| .thenReturn(relativeCoordinates2) |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates3, Offset.Zero)) |
| .thenReturn(relativeCoordinates3) |
| |
| val selectionRegistrar = SelectionRegistrarImpl() |
| selectionRegistrar.subscribe(handler0) |
| selectionRegistrar.subscribe(handler1) |
| selectionRegistrar.subscribe(handler2) |
| selectionRegistrar.subscribe(handler3) |
| |
| // Act. |
| selectionRegistrar.sort(containerLayoutCoordinates) |
| |
| // Assert. |
| assertThat(selectionRegistrar.selectables[0]).isEqualTo(handler1) |
| assertThat(selectionRegistrar.selectables[1]).isEqualTo(handler0) |
| assertThat(selectionRegistrar.selectables[2]).isEqualTo(handler3) |
| assertThat(selectionRegistrar.selectables[3]).isEqualTo(handler2) |
| assertThat(selectionRegistrar.sorted).isTrue() |
| } |
| |
| @Test |
| fun unsubscribe_after_sorting() { |
| // Setup. |
| val handler0 = mock<Selectable>() |
| val handler1 = mock<Selectable>() |
| val handler2 = mock<Selectable>() |
| val handler3 = mock<Selectable>() |
| |
| val layoutCoordinates0 = mock<LayoutCoordinates>() |
| val layoutCoordinates1 = mock<LayoutCoordinates>() |
| val layoutCoordinates2 = mock<LayoutCoordinates>() |
| val layoutCoordinates3 = mock<LayoutCoordinates>() |
| |
| whenever(handler0.getLayoutCoordinates()).thenReturn(layoutCoordinates0) |
| whenever(handler1.getLayoutCoordinates()).thenReturn(layoutCoordinates1) |
| whenever(handler2.getLayoutCoordinates()).thenReturn(layoutCoordinates2) |
| whenever(handler3.getLayoutCoordinates()).thenReturn(layoutCoordinates3) |
| |
| // The order of the 4 handlers should be 1, 0, 3, 2. |
| val relativeCoordinates0 = Offset(20f, 12f) |
| val relativeCoordinates1 = Offset(5f, 12f) |
| val relativeCoordinates2 = Offset(20f, 24f) |
| val relativeCoordinates3 = Offset(5f, 24f) |
| |
| val containerLayoutCoordinates = mock<LayoutCoordinates>() |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates0, Offset.Zero)) |
| .thenReturn(relativeCoordinates0) |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates1, Offset.Zero)) |
| .thenReturn(relativeCoordinates1) |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates2, Offset.Zero)) |
| .thenReturn(relativeCoordinates2) |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates3, Offset.Zero)) |
| .thenReturn(relativeCoordinates3) |
| |
| val selectionRegistrar = SelectionRegistrarImpl() |
| selectionRegistrar.subscribe(handler0) |
| selectionRegistrar.subscribe(handler1) |
| selectionRegistrar.subscribe(handler2) |
| selectionRegistrar.subscribe(handler3) |
| |
| selectionRegistrar.sort(containerLayoutCoordinates) |
| |
| // Act. |
| selectionRegistrar.unsubscribe(handler0) |
| |
| // Assert. |
| assertThat(selectionRegistrar.selectables[0]).isEqualTo(handler1) |
| assertThat(selectionRegistrar.selectables[1]).isEqualTo(handler3) |
| assertThat(selectionRegistrar.selectables[2]).isEqualTo(handler2) |
| } |
| |
| @Test |
| fun subscribe_after_sorting() { |
| // Setup. |
| val handler0 = mock<Selectable>() |
| val layoutCoordinates0 = mock<LayoutCoordinates>() |
| whenever(handler0.getLayoutCoordinates()).thenReturn(layoutCoordinates0) |
| val containerLayoutCoordinates = mock<LayoutCoordinates>() |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates0, Offset.Zero)) |
| .thenReturn(Offset.Zero) |
| |
| val selectionRegistrar = SelectionRegistrarImpl() |
| selectionRegistrar.subscribe(handler0) |
| selectionRegistrar.sort(containerLayoutCoordinates) |
| assertThat(selectionRegistrar.sorted).isTrue() |
| |
| // Act. |
| selectionRegistrar.subscribe(mock()) |
| |
| // Assert. |
| assertThat(selectionRegistrar.sorted).isFalse() |
| } |
| |
| @Test |
| fun layoutCoordinates_changed_after_sorting() { |
| // Setup. |
| val handler0 = mock<Selectable>() |
| val layoutCoordinates0 = mock<LayoutCoordinates>() |
| whenever(handler0.getLayoutCoordinates()).thenReturn(layoutCoordinates0) |
| val containerLayoutCoordinates = mock<LayoutCoordinates>() |
| whenever(containerLayoutCoordinates.childToLocal(layoutCoordinates0, Offset.Zero)) |
| .thenReturn(Offset.Zero) |
| |
| val selectionRegistrar = SelectionRegistrarImpl() |
| selectionRegistrar.subscribe(handler0) |
| selectionRegistrar.sort(containerLayoutCoordinates) |
| assertThat(selectionRegistrar.sorted).isTrue() |
| |
| // Act. |
| selectionRegistrar.onPositionChange() |
| |
| // Assert. |
| assertThat(selectionRegistrar.sorted).isFalse() |
| } |
| } |