Merge "Convert ShadeViewDifferTest to Kotlin" into tm-qpr-dev (6f315fc8) · Commits · e / os / android_frameworks_base

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/render/ShadeViewDifferTest.java

deleted100644 → 0

+0 −317

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2020 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 com.android.systemui.statusbar.notification.collection.render;

		import static org.junit.Assert.assertEquals;
		import static org.junit.Assert.assertNull;

		import android.content.Context;
		import android.testing.AndroidTestingRunner;
		import android.view.View;
		import android.widget.FrameLayout;

		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;
		import androidx.test.filters.SmallTest;

		import com.android.systemui.SysuiTestCase;

		import org.junit.Before;
		import org.junit.Test;
		import org.junit.runner.RunWith;
		import org.mockito.Mock;
		import org.mockito.MockitoAnnotations;

		import java.util.List;

		@SmallTest
		@RunWith(AndroidTestingRunner.class)
		public class ShadeViewDifferTest extends SysuiTestCase {
		private ShadeViewDiffer mDiffer;

		private FakeController mRootController = new FakeController(mContext, "RootController");
		private FakeController mController1 = new FakeController(mContext, "Controller1");
		private FakeController mController2 = new FakeController(mContext, "Controller2");
		private FakeController mController3 = new FakeController(mContext, "Controller3");
		private FakeController mController4 = new FakeController(mContext, "Controller4");
		private FakeController mController5 = new FakeController(mContext, "Controller5");
		private FakeController mController6 = new FakeController(mContext, "Controller6");
		private FakeController mController7 = new FakeController(mContext, "Controller7");

		@Mock
		ShadeViewDifferLogger mLogger;

		@Before
		public void setUp() {
		MockitoAnnotations.initMocks(this);

		mDiffer = new ShadeViewDiffer(mRootController, mLogger);
		}

		@Test
		public void testAddInitialViews() {
		// WHEN a spec is applied to an empty root
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(mController1),
		node(mController2,
		node(mController3),
		node(mController4)
		),
		node(mController5)
		);
		}

		@Test
		public void testDetachViews() {
		// GIVEN a preexisting tree of controllers
		applySpecAndCheck(
		node(mController1),
		node(mController2,
		node(mController3),
		node(mController4)
		),
		node(mController5)
		);

		// WHEN the new spec removes nodes
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(mController5)
		);
		}

		@Test
		public void testReparentChildren() {
		// GIVEN a preexisting tree of controllers
		applySpecAndCheck(
		node(mController1),
		node(mController2,
		node(mController3),
		node(mController4)
		),
		node(mController5)
		);

		// WHEN the parents of the controllers are all shuffled around
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(mController1),
		node(mController4),
		node(mController3,
		node(mController2)
		)
		);
		}

		@Test
		public void testReorderChildren() {
		// GIVEN a preexisting tree of controllers
		applySpecAndCheck(
		node(mController1),
		node(mController2),
		node(mController3),
		node(mController4)
		);

		// WHEN the children change order
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(mController3),
		node(mController2),
		node(mController4),
		node(mController1)
		);
		}

		@Test
		public void testRemovedGroupsAreBrokenApart() {
		// GIVEN a preexisting tree with a group
		applySpecAndCheck(
		node(mController1),
		node(mController2,
		node(mController3),
		node(mController4),
		node(mController5)
		)
		);

		// WHEN the new spec removes the entire group
		applySpecAndCheck(
		node(mController1)
		);

		// THEN the group children are no longer attached to their parent
		assertNull(mController3.getView().getParent());
		assertNull(mController4.getView().getParent());
		assertNull(mController5.getView().getParent());
		}

		@Test
		public void testUnmanagedViews() {
		// GIVEN a preexisting tree of controllers
		applySpecAndCheck(
		node(mController1),
		node(mController2,
		node(mController3),
		node(mController4)
		),
		node(mController5)
		);

		// GIVEN some additional unmanaged views attached to the tree
		View unmanagedView1 = new View(mContext);
		View unmanagedView2 = new View(mContext);

		mRootController.getView().addView(unmanagedView1, 1);
		mController2.getView().addView(unmanagedView2, 0);

		// WHEN a new spec is applied with additional nodes
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(mController1),
		node(mController2,
		node(mController3),
		node(mController4),
		node(mController6)
		),
		node(mController5),
		node(mController7)
		);

		// THEN the unmanaged views have been pushed to the end of their parents
		assertEquals(unmanagedView1, mRootController.view.getChildAt(4));
		assertEquals(unmanagedView2, mController2.view.getChildAt(3));
		}

		private void applySpecAndCheck(NodeSpec spec) {
		mDiffer.applySpec(spec);
		checkMatchesSpec(spec);
		}

		private void applySpecAndCheck(SpecBuilder... children) {
		applySpecAndCheck(node(mRootController, children).build());
		}

		private void checkMatchesSpec(NodeSpec spec) {
		final NodeController parent = spec.getController();
		final List<NodeSpec> children = spec.getChildren();

		for (int i = 0; i < children.size(); i++) {
		NodeSpec childSpec = children.get(i);
		View view = parent.getChildAt(i);

		assertEquals(
		"Child " + i + " of parent " + parent.getNodeLabel() + " should be "
		+ childSpec.getController().getNodeLabel() + " but is instead "
		+ (view != null ? mDiffer.getViewLabel(view) : "null"),
		view,
		childSpec.getController().getView());

		if (!childSpec.getChildren().isEmpty()) {
		checkMatchesSpec(childSpec);
		}
		}
		}

		private static class FakeController implements NodeController {

		public final FrameLayout view;
		private final String mLabel;

		FakeController(Context context, String label) {
		view = new FrameLayout(context);
		mLabel = label;
		}

		@NonNull
		@Override
		public String getNodeLabel() {
		return mLabel;
		}

		@NonNull
		@Override
		public FrameLayout getView() {
		return view;
		}

		@Override
		public int getChildCount() {
		return view.getChildCount();
		}

		@Override
		public View getChildAt(int index) {
		return view.getChildAt(index);
		}

		@Override
		public void addChildAt(@NonNull NodeController child, int index) {
		view.addView(child.getView(), index);
		}

		@Override
		public void moveChildTo(@NonNull NodeController child, int index) {
		view.removeView(child.getView());
		view.addView(child.getView(), index);
		}

		@Override
		public void removeChild(@NonNull NodeController child, boolean isTransfer) {
		view.removeView(child.getView());
		}

		@Override
		public void onViewAdded() {
		}

		@Override
		public void onViewMoved() {
		}

		@Override
		public void onViewRemoved() {
		}
		}

		private static class SpecBuilder {
		private final NodeController mController;
		private final SpecBuilder[] mChildren;

		SpecBuilder(NodeController controller, SpecBuilder... children) {
		mController = controller;
		mChildren = children;
		}

		public NodeSpec build() {
		return build(null);
		}

		public NodeSpec build(@Nullable NodeSpec parent) {
		final NodeSpecImpl spec = new NodeSpecImpl(parent, mController);
		for (SpecBuilder childBuilder : mChildren) {
		spec.getChildren().add(childBuilder.build(spec));
		}
		return spec;
		}
		}

		private static SpecBuilder node(NodeController controller, SpecBuilder... children) {
		return new SpecBuilder(controller, children);
		}
		}

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/collection/render/ShadeViewDifferTest.kt

0 → 100644

+234 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2020 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 com.android.systemui.statusbar.notification.collection.render

		import android.content.Context
		import android.testing.AndroidTestingRunner
		import android.view.View
		import android.widget.FrameLayout
		import androidx.test.filters.SmallTest
		import com.android.systemui.SysuiTestCase
		import com.android.systemui.util.mockito.mock
		import org.junit.Assert
		import org.junit.Before
		import org.junit.Test
		import org.junit.runner.RunWith

		@SmallTest
		@RunWith(AndroidTestingRunner::class)
		class ShadeViewDifferTest : SysuiTestCase() {
		private lateinit var differ: ShadeViewDiffer
		private val rootController = FakeController(mContext, "RootController")
		private val controller1 = FakeController(mContext, "Controller1")
		private val controller2 = FakeController(mContext, "Controller2")
		private val controller3 = FakeController(mContext, "Controller3")
		private val controller4 = FakeController(mContext, "Controller4")
		private val controller5 = FakeController(mContext, "Controller5")
		private val controller6 = FakeController(mContext, "Controller6")
		private val controller7 = FakeController(mContext, "Controller7")
		private val logger: ShadeViewDifferLogger = mock()

		@Before
		fun setUp() {
		differ = ShadeViewDiffer(rootController, logger)
		}

		@Test
		fun testAddInitialViews() {
		// WHEN a spec is applied to an empty root
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(controller1),
		node(controller2, node(controller3), node(controller4)),
		node(controller5)
		)
		}

		@Test
		fun testDetachViews() {
		// GIVEN a preexisting tree of controllers
		applySpecAndCheck(
		node(controller1),
		node(controller2, node(controller3), node(controller4)),
		node(controller5)
		)

		// WHEN the new spec removes nodes
		// THEN the final tree matches the spec
		applySpecAndCheck(node(controller5))
		}

		@Test
		fun testReparentChildren() {
		// GIVEN a preexisting tree of controllers
		applySpecAndCheck(
		node(controller1),
		node(controller2, node(controller3), node(controller4)),
		node(controller5)
		)

		// WHEN the parents of the controllers are all shuffled around
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(controller1),
		node(controller4),
		node(controller3, node(controller2))
		)
		}

		@Test
		fun testReorderChildren() {
		// GIVEN a preexisting tree of controllers
		applySpecAndCheck(
		node(controller1),
		node(controller2),
		node(controller3),
		node(controller4)
		)

		// WHEN the children change order
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(controller3),
		node(controller2),
		node(controller4),
		node(controller1)
		)
		}

		@Test
		fun testRemovedGroupsAreBrokenApart() {
		// GIVEN a preexisting tree with a group
		applySpecAndCheck(
		node(controller1),
		node(controller2, node(controller3), node(controller4), node(controller5))
		)

		// WHEN the new spec removes the entire group
		applySpecAndCheck(node(controller1))

		// THEN the group children are no longer attached to their parent
		Assert.assertNull(controller3.view.parent)
		Assert.assertNull(controller4.view.parent)
		Assert.assertNull(controller5.view.parent)
		}

		@Test
		fun testUnmanagedViews() {
		// GIVEN a preexisting tree of controllers
		applySpecAndCheck(
		node(controller1),
		node(controller2, node(controller3), node(controller4)),
		node(controller5)
		)

		// GIVEN some additional unmanaged views attached to the tree
		val unmanagedView1 = View(mContext)
		val unmanagedView2 = View(mContext)
		rootController.view.addView(unmanagedView1, 1)
		controller2.view.addView(unmanagedView2, 0)

		// WHEN a new spec is applied with additional nodes
		// THEN the final tree matches the spec
		applySpecAndCheck(
		node(controller1),
		node(controller2, node(controller3), node(controller4), node(controller6)),
		node(controller5),
		node(controller7)
		)

		// THEN the unmanaged views have been pushed to the end of their parents
		Assert.assertEquals(unmanagedView1, rootController.view.getChildAt(4))
		Assert.assertEquals(unmanagedView2, controller2.view.getChildAt(3))
		}

		private fun applySpecAndCheck(spec: NodeSpec) {
		differ.applySpec(spec)
		checkMatchesSpec(spec)
		}

		private fun applySpecAndCheck(vararg children: SpecBuilder) {
		applySpecAndCheck(node(rootController, *children).build())
		}

		private fun checkMatchesSpec(spec: NodeSpec) {
		val parent = spec.controller
		val children = spec.children
		for (i in children.indices) {
		val childSpec = children[i]
		val view = parent.getChildAt(i)
		Assert.assertEquals(
		"Child $i of parent ${parent.nodeLabel} " +
		"should be ${childSpec.controller.nodeLabel} " +
		"but instead " +
		view?.let(differ::getViewLabel),
		view,
		childSpec.controller.view
		)
		if (childSpec.children.isNotEmpty()) {
		checkMatchesSpec(childSpec)
		}
		}
		}

		private class FakeController(context: Context, label: String) : NodeController {
		override val view: FrameLayout = FrameLayout(context)
		override val nodeLabel: String = label
		override fun getChildCount(): Int = view.childCount

		override fun getChildAt(index: Int): View? {
		return view.getChildAt(index)
		}

		override fun addChildAt(child: NodeController, index: Int) {
		view.addView(child.view, index)
		}

		override fun moveChildTo(child: NodeController, index: Int) {
		view.removeView(child.view)
		view.addView(child.view, index)
		}

		override fun removeChild(child: NodeController, isTransfer: Boolean) {
		view.removeView(child.view)
		}

		override fun onViewAdded() {}
		override fun onViewMoved() {}
		override fun onViewRemoved() {}
		}

		private class SpecBuilder(
		private val mController: NodeController,
		private val children: Array<out SpecBuilder>
		) {

		@JvmOverloads
		fun build(parent: NodeSpec? = null): NodeSpec {
		val spec = NodeSpecImpl(parent, mController)
		for (childBuilder in children) {
		spec.children.add(childBuilder.build(spec))
		}
		return spec
		}
		}

		companion object {
		private fun node(controller: NodeController, vararg children: SpecBuilder): SpecBuilder {
		return SpecBuilder(controller, children)
		}
		}
		}