1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * http://www.apache.org/licenses/LICENSE-2.0 7 * Unless required by applicable law or agreed to in writing, software 8 * distributed under the License is distributed on an "AS IS" BASIS, 9 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 10 * See the License for the specific language governing permissions and 11 * limitations under the License. 12 */ 13 14 package android.databinding.tool; 15 16 17 import android.databinding.tool.expr.Expr; 18 import android.databinding.tool.expr.ExprModel; 19 import android.databinding.tool.expr.FieldAccessExpr; 20 import android.databinding.tool.expr.IdentifierExpr; 21 import android.databinding.tool.expr.StaticIdentifierExpr; 22 import android.databinding.tool.reflection.Callable; 23 import android.databinding.tool.reflection.java.JavaAnalyzer; 24 import android.databinding.tool.reflection.java.JavaClass; 25 26 import org.junit.Before; 27 import org.junit.Test; 28 29 import java.util.List; 30 import java.util.Map; 31 32 import static org.junit.Assert.assertEquals; 33 import static org.junit.Assert.assertFalse; 34 import static org.junit.Assert.assertSame; 35 import static org.junit.Assert.assertTrue; 36 37 public class LayoutBinderTest { 38 MockLayoutBinder mLayoutBinder; 39 ExprModel mExprModel; 40 @Before setUp()41 public void setUp() throws Exception { 42 mLayoutBinder = new MockLayoutBinder(); 43 mExprModel = mLayoutBinder.getModel(); 44 JavaAnalyzer.initForTests(); 45 } 46 47 @Test testRegisterId()48 public void testRegisterId() { 49 int originalSize = mExprModel.size(); 50 mLayoutBinder.addVariable("test", "java.lang.String", null); 51 assertEquals(originalSize + 1, mExprModel.size()); 52 final Map.Entry<String, Expr> entry = findIdentifier("test"); 53 final Expr value = entry.getValue(); 54 assertEquals(value.getClass(), IdentifierExpr.class); 55 final IdentifierExpr id = (IdentifierExpr) value; 56 assertEquals("test", id.getName()); 57 assertEquals(new JavaClass(String.class), id.getResolvedType()); 58 assertTrue(id.isDynamic()); 59 } 60 61 @Test testRegisterImport()62 public void testRegisterImport() { 63 int originalSize = mExprModel.size(); 64 mExprModel.addImport("test", "java.lang.String", null); 65 assertEquals(originalSize + 1, mExprModel.size()); 66 final Map.Entry<String, Expr> entry = findIdentifier("test"); 67 final Expr value = entry.getValue(); 68 assertEquals(value.getClass(), StaticIdentifierExpr.class); 69 final IdentifierExpr id = (IdentifierExpr) value; 70 assertEquals("test", id.getName()); 71 assertEquals(new JavaClass(String.class), id.getResolvedType()); 72 assertFalse(id.isDynamic()); 73 } 74 75 @Test testParse()76 public void testParse() { 77 int originalSize = mExprModel.size(); 78 mLayoutBinder.addVariable("user", "android.databinding.tool2.LayoutBinderTest.TestUser", 79 null); 80 mLayoutBinder.parse("user.name", null, null); 81 mLayoutBinder.parse("user.lastName", null, null); 82 assertEquals(originalSize + 3, mExprModel.size()); 83 final List<Expr> bindingExprs = mExprModel.getBindingExpressions(); 84 assertEquals(2, bindingExprs.size()); 85 IdentifierExpr id = mExprModel.identifier("user"); 86 assertTrue(bindingExprs.get(0) instanceof FieldAccessExpr); 87 assertTrue(bindingExprs.get(1) instanceof FieldAccessExpr); 88 assertEquals(2, id.getParents().size()); 89 assertTrue(bindingExprs.get(0).getChildren().contains(id)); 90 assertTrue(bindingExprs.get(1).getChildren().contains(id)); 91 } 92 93 @Test testParseWithMethods()94 public void testParseWithMethods() { 95 mLayoutBinder.addVariable("user", "android.databinding.tool.LayoutBinderTest.TestUser", 96 null); 97 mLayoutBinder.parse("user.fullName", null, null); 98 Expr item = mExprModel.getBindingExpressions().get(0); 99 assertTrue(item instanceof FieldAccessExpr); 100 IdentifierExpr id = mExprModel.identifier("user"); 101 FieldAccessExpr fa = (FieldAccessExpr) item; 102 fa.getResolvedType(); 103 final Callable getter = fa.getGetter(); 104 assertTrue(getter.type == Callable.Type.METHOD); 105 assertSame(id, fa.getTarget()); 106 assertTrue(fa.isDynamic()); 107 } 108 findIdentifier(String name)109 private Map.Entry<String, Expr> findIdentifier(String name) { 110 for (Map.Entry<String, Expr> entry : mExprModel.getExprMap().entrySet()) { 111 if (entry.getValue() instanceof IdentifierExpr) { 112 IdentifierExpr expr = (IdentifierExpr) entry.getValue(); 113 if (name.equals(expr.getName())) { 114 return entry; 115 } 116 } 117 } 118 return null; 119 } 120 121 static class TestUser { 122 public String name; 123 public String lastName; 124 fullName()125 public String fullName() { 126 return name + " " + lastName; 127 } 128 } 129 } 130