/* * Copyright (C) 2015 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 android.databinding.tool; import android.databinding.tool.expr.Expr; import android.databinding.tool.expr.ExprModel; import android.databinding.tool.expr.FieldAccessExpr; import android.databinding.tool.expr.IdentifierExpr; import android.databinding.tool.expr.StaticIdentifierExpr; import android.databinding.tool.reflection.Callable; import android.databinding.tool.reflection.java.JavaAnalyzer; import android.databinding.tool.reflection.java.JavaClass; import org.junit.Before; import org.junit.Test; import java.util.List; import java.util.Map; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; public class LayoutBinderTest { MockLayoutBinder mLayoutBinder; ExprModel mExprModel; @Before public void setUp() throws Exception { mLayoutBinder = new MockLayoutBinder(); mExprModel = mLayoutBinder.getModel(); JavaAnalyzer.initForTests(); } @Test public void testRegisterId() { int originalSize = mExprModel.size(); mLayoutBinder.addVariable("test", "java.lang.String", null); assertEquals(originalSize + 1, mExprModel.size()); final Map.Entry entry = findIdentifier("test"); final Expr value = entry.getValue(); assertEquals(value.getClass(), IdentifierExpr.class); final IdentifierExpr id = (IdentifierExpr) value; assertEquals("test", id.getName()); assertEquals(new JavaClass(String.class), id.getResolvedType()); assertTrue(id.isDynamic()); } @Test public void testRegisterImport() { int originalSize = mExprModel.size(); mExprModel.addImport("test", "java.lang.String", null); assertEquals(originalSize + 1, mExprModel.size()); final Map.Entry entry = findIdentifier("test"); final Expr value = entry.getValue(); assertEquals(value.getClass(), StaticIdentifierExpr.class); final IdentifierExpr id = (IdentifierExpr) value; assertEquals("test", id.getName()); assertEquals(new JavaClass(String.class), id.getResolvedType()); assertFalse(id.isDynamic()); } @Test public void testParse() { int originalSize = mExprModel.size(); mLayoutBinder.addVariable("user", "android.databinding.tool2.LayoutBinderTest.TestUser", null); mLayoutBinder.parse("user.name", false, null); mLayoutBinder.parse("user.lastName", false, null); assertEquals(originalSize + 3, mExprModel.size()); final List bindingExprs = mExprModel.getBindingExpressions(); assertEquals(2, bindingExprs.size()); IdentifierExpr id = mExprModel.identifier("user"); assertTrue(bindingExprs.get(0) instanceof FieldAccessExpr); assertTrue(bindingExprs.get(1) instanceof FieldAccessExpr); assertEquals(2, id.getParents().size()); assertTrue(bindingExprs.get(0).getChildren().contains(id)); assertTrue(bindingExprs.get(1).getChildren().contains(id)); } @Test public void testParseWithMethods() { mLayoutBinder.addVariable("user", "android.databinding.tool.LayoutBinderTest.TestUser", null); mLayoutBinder.parse("user.fullName", false, null); Expr item = mExprModel.getBindingExpressions().get(0); assertTrue(item instanceof FieldAccessExpr); IdentifierExpr id = mExprModel.identifier("user"); FieldAccessExpr fa = (FieldAccessExpr) item; fa.getResolvedType(); final Callable getter = fa.getGetter(); assertTrue(getter.type == Callable.Type.METHOD); assertSame(id, fa.getChild()); assertTrue(fa.isDynamic()); } private Map.Entry findIdentifier(String name) { for (Map.Entry entry : mExprModel.getExprMap().entrySet()) { if (entry.getValue() instanceof IdentifierExpr) { IdentifierExpr expr = (IdentifierExpr) entry.getValue(); if (name.equals(expr.getName())) { return entry; } } } return null; } static class TestUser { public String name; public String lastName; public String fullName() { return name + " " + lastName; } } }