| /* |
| * 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<String, Expr> 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<String, Expr> 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", null, null); |
| mLayoutBinder.parse("user.lastName", null, null); |
| assertEquals(originalSize + 3, mExprModel.size()); |
| final List<Expr> 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", null, 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.getTarget()); |
| assertTrue(fa.isDynamic()); |
| } |
| |
| private Map.Entry<String, Expr> findIdentifier(String name) { |
| for (Map.Entry<String, Expr> 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; |
| } |
| } |
| } |