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/*
* 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);
mLayoutBinder.parse("user.lastName", 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);
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;
}
}
}
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