/**
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.tests;
import java.util.Arrays;
import java.util.List;
import android.graphics.Color;
import android.view.View;
import android.view.ViewGroup;
import com.facebook.react.ReactRootView;
import com.facebook.react.bridge.CatalystInstance;
import com.facebook.react.bridge.JavaScriptModule;
import com.facebook.react.bridge.UiThreadUtil;
import com.facebook.react.modules.systeminfo.AndroidInfoModule;
import com.facebook.react.uimanager.PixelUtil;
import com.facebook.react.uimanager.UIImplementation;
import com.facebook.react.uimanager.UIImplementationProvider;
import com.facebook.react.uimanager.UIManagerModule;
import com.facebook.react.uimanager.ViewManager;
import com.facebook.react.views.view.ReactViewGroup;
import com.facebook.react.views.view.ReactViewManager;
import com.facebook.react.testing.FakeWebSocketModule;
import com.facebook.react.testing.ReactIntegrationTestCase;
import com.facebook.react.testing.ReactTestHelper;
public class ViewRenderingTestCase extends ReactIntegrationTestCase {
private interface ViewRenderingTestModule extends JavaScriptModule {
void renderViewApplication(int rootTag);
void renderMarginApplication(int rootTag);
void renderBorderApplication(int rootTag);
void updateMargins();
void renderTransformApplication(int rootTag);
}
private CatalystInstance mCatalystInstance;
private ReactRootView mRootView;
private int mRootTag;
@Override
protected void setUp() throws Exception {
super.setUp();
List<ViewManager> viewManagers = Arrays.<ViewManager>asList(new ReactViewManager());
final UIManagerModule uiManager = new UIManagerModule(
getContext(),
viewManagers,
new UIImplementationProvider());
UiThreadUtil.runOnUiThread(
new Runnable() {
@Override
public void run() {
uiManager.onHostResume();
}
});
waitForIdleSync();
mCatalystInstance = ReactTestHelper.catalystInstanceBuilder(this)
.addNativeModule(uiManager)
.addNativeModule(new AndroidInfoModule())
.addNativeModule(new FakeWebSocketModule())
.addJSModule(ViewRenderingTestModule.class)
.build();
mRootView = new ReactRootView(getContext());
mRootTag = uiManager.addMeasuredRootView(mRootView);
}
public void testViewRenderedWithCorrectProperties() {
float expectedOpacity = 0.75f;
int expectedBackgroundColor = Color.rgb(255, 0, 0);
mCatalystInstance.getJSModule(ViewRenderingTestModule.class).renderViewApplication(mRootTag);
waitForBridgeAndUIIdle();
ReactViewGroup view = getViewAtPath(mRootView);
assertEquals("Incorrect (or not applied) opacity", expectedOpacity, view.getAlpha());
assertEquals(
"Incorrect (or not applied) backgroundColor",
expectedBackgroundColor,
view.getBackgroundColor());
}
public void testMarginsApplied() {
mCatalystInstance.getJSModule(ViewRenderingTestModule.class).renderMarginApplication(mRootTag);
waitForBridgeAndUIIdle();
View view = getViewAtPath(mRootView);
int expectedMargin = Math.round(PixelUtil.toPixelFromDIP(10));
int expectedMarginLeft = Math.round(PixelUtil.toPixelFromDIP(20));
assertEquals(expectedMarginLeft, (int) view.getX());
assertEquals(expectedMargin, (int) view.getY());
}
public void testMarginUpdateDoesntForgetPreviousValue() {
mCatalystInstance.getJSModule(ViewRenderingTestModule.class).renderMarginApplication(mRootTag);
waitForBridgeAndUIIdle();
View view = getViewAtPath(mRootView);
// before: margin: 10, marginLeft: 20
mCatalystInstance.getJSModule(ViewRenderingTestModule.class).updateMargins();
waitForBridgeAndUIIdle();
// after: margin: 15; it should not forget marginLeft was set to 20
int expectedMargin = Math.round(PixelUtil.toPixelFromDIP(15));
int expectedMarginLeft = Math.round(PixelUtil.toPixelFromDIP(20));
assertEquals(expectedMarginLeft, (int) view.getX());
assertEquals(expectedMargin, (int) view.getY());
}
public void testBordersApplied() {
mCatalystInstance.getJSModule(ViewRenderingTestModule.class).renderBorderApplication(mRootTag);
waitForBridgeAndUIIdle();
View view = getViewAtPath(mRootView);
View child = ((ViewGroup) view).getChildAt(0);
int expectedBorderX = Math.round(PixelUtil.toPixelFromDIP(20));
int expectedBorderY = Math.round(PixelUtil.toPixelFromDIP(5));
assertEquals(expectedBorderX, (int) child.getX());
assertEquals(expectedBorderY, (int) child.getY());
}
public void testTransformations() {
mCatalystInstance.getJSModule(ViewRenderingTestModule.class)
.renderTransformApplication(mRootTag);
waitForBridgeAndUIIdle();
View view = getViewAtPath(mRootView);
float expectedTranslateX = PixelUtil.toPixelFromDIP(20);
float expectedTranslateY = PixelUtil.toPixelFromDIP(25);
assertEquals(5f, view.getScaleX());
assertEquals(10f, view.getScaleY());
assertEquals(15f, view.getRotation());
assertEquals(expectedTranslateX, view.getTranslationX());
assertEquals(expectedTranslateY, view.getTranslationY());
}
}