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/*
* Copyright 2014 Google LLC
*
* 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 com.google.auto.value.processor;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import com.google.common.collect.ImmutableList;
import com.google.escapevelocity.Template;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for FieldReader.
*
* @author emcmanus@google.com (Éamonn McManus)
*/
@RunWith(JUnit4.class)
public class TemplateVarsTest {
static class HappyVars extends TemplateVars {
Integer integer;
String string;
List<Integer> list;
private static final String IGNORED_STATIC_FINAL = "hatstand";
@Override
Template parsedTemplate() {
return parsedTemplateForString("integer=$integer string=$string list=$list");
}
}
static Template parsedTemplateForString(String string) {
try {
Reader reader = new StringReader(string);
return Template.parseFrom(reader);
} catch (IOException e) {
throw new AssertionError(e);
}
}
@Test
public void testHappy() {
HappyVars happy = new HappyVars();
happy.integer = 23;
happy.string = "wibble";
happy.list = ImmutableList.of(5, 17, 23);
assertThat(HappyVars.IGNORED_STATIC_FINAL).isEqualTo("hatstand"); // avoids unused warning
String expectedText = "integer=23 string=wibble list=[5, 17, 23]";
String actualText = happy.toText();
assertThat(actualText).isEqualTo(expectedText);
}
@Test
public void testUnset() {
HappyVars sad = new HappyVars();
sad.integer = 23;
sad.list = ImmutableList.of(23);
try {
sad.toText();
fail("Did not get expected exception");
} catch (IllegalArgumentException expected) {
}
}
static class SubHappyVars extends HappyVars {
Character character;
@Override
Template parsedTemplate() {
return parsedTemplateForString(
"integer=$integer string=$string list=$list character=$character");
}
}
@Test
public void testSubSub() {
SubHappyVars vars = new SubHappyVars();
vars.integer = 23;
vars.string = "wibble";
vars.list = ImmutableList.of(5, 17, 23);
vars.character = 'ß';
String expectedText = "integer=23 string=wibble list=[5, 17, 23] character=ß";
String actualText = vars.toText();
assertThat(actualText).isEqualTo(expectedText);
}
static class Private extends TemplateVars {
Integer integer;
private String unusedString;
@Override
Template parsedTemplate() {
throw new UnsupportedOperationException();
}
}
@Test
public void testPrivate() {
try {
new Private();
fail("Did not get expected exception");
} catch (IllegalArgumentException expected) {
}
}
static class Static extends TemplateVars {
Integer integer;
static String string;
@Override
Template parsedTemplate() {
throw new UnsupportedOperationException();
}
}
@Test
public void testStatic() {
try {
new Static();
fail("Did not get expected exception");
} catch (IllegalArgumentException expected) {
}
}
static class Primitive extends TemplateVars {
int integer;
String string;
@Override
Template parsedTemplate() {
throw new UnsupportedOperationException();
}
}
@Test
public void testPrimitive() {
try {
new Primitive();
fail("Did not get expected exception");
} catch (IllegalArgumentException expected) {
}
}
}
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