/
AbstractTypeAwareCheckTest.java
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/
AbstractTypeAwareCheckTest.java
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////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code for adherence to a set of rules.
// Copyright (C) 2001-2015 the original author or authors.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
////////////////////////////////////////////////////////////////////////////////
package com.puppycrawl.tools.checkstyle.checks.javadoc;
import static com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocMethodCheck.MSG_CLASS_INFO;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.apache.commons.lang3.ArrayUtils;
import org.junit.Before;
import org.junit.Test;
import com.puppycrawl.tools.checkstyle.BaseCheckTestSupport;
import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
import com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck;
public class AbstractTypeAwareCheckTest extends BaseCheckTestSupport {
private DefaultConfiguration checkConfig;
@Before
public void setUp() {
checkConfig = createCheckConfig(JavadocMethodCheck.class);
}
@Test
public void testIsSubclassWithNulls() throws Exception {
JavadocMethodCheck check = new JavadocMethodCheck();
Method isSubclass = check.getClass().getSuperclass()
.getDeclaredMethod("isSubclass", Class.class, Class.class);
isSubclass.setAccessible(true);
assertFalse((boolean) isSubclass.invoke(check, null, null));
}
@Test
public void testTokenToString() throws Exception {
Class<?> tokenType = Class
.forName("com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck$Token");
Constructor<?> tokenConstructor = tokenType.getDeclaredConstructor(String.class, int.class,
int.class);
Object token = tokenConstructor.newInstance("blablabla", 1, 1);
Method toString = token.getClass().getDeclaredMethod("toString");
String result = (String) toString.invoke(token);
assertEquals("Token[blablabla(1x1)]", result);
}
@Test
public void testClassRegularClass() throws Exception {
Class<?> tokenType = Class
.forName("com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck$Token");
Class<?> regularClassType = Class
.forName(
"com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck$RegularClass");
Constructor<?> regularClassConstructor = regularClassType.getDeclaredConstructor(tokenType,
String.class, AbstractTypeAwareCheck.class);
regularClassConstructor.setAccessible(true);
try {
regularClassConstructor.newInstance(null, "", new JavadocMethodCheck());
}
catch (InvocationTargetException ex) {
assertTrue(ex.getCause() instanceof IllegalArgumentException);
assertEquals("ClassInfo's name should be non-null", ex.getCause().getMessage());
}
Constructor<?> tokenConstructor = tokenType.getDeclaredConstructor(String.class, int.class,
int.class);
Object token = tokenConstructor.newInstance("blablabla", 1, 1);
Object regularClass = regularClassConstructor.newInstance(token, "sur",
new JavadocMethodCheck());
Method toString = regularClass.getClass().getDeclaredMethod("toString");
toString.setAccessible(true);
String result = (String) toString.invoke(regularClass);
assertEquals("RegularClass[name=Token[blablabla(1x1)], in class=sur, loadable=true,"
+ " class=null]", result);
Method setClazz = regularClass.getClass().getDeclaredMethod("setClazz", Class.class);
setClazz.setAccessible(true);
Class<?> arg = null;
setClazz.invoke(regularClass, arg);
Method getClazz = regularClass.getClass().getDeclaredMethod("getClazz");
getClazz.setAccessible(true);
assertNull(getClazz.invoke(regularClass));
}
@Test
public void testClassAliasToString() throws Exception {
Class<?> tokenType = Class
.forName("com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck$Token");
Class<?> regularClassType = Class
.forName(
"com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck$RegularClass");
Constructor<?> regularClassConstructor = regularClassType.getDeclaredConstructor(tokenType,
String.class, AbstractTypeAwareCheck.class);
regularClassConstructor.setAccessible(true);
Constructor<?> tokenConstructor = tokenType.getDeclaredConstructor(String.class, int.class,
int.class);
Object token = tokenConstructor.newInstance("blablabla", 1, 1);
Object regularClass = regularClassConstructor.newInstance(token, "sur",
new JavadocMethodCheck());
Class<?> classAliasType = Class.forName(
"com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck$ClassAlias");
Class<?> abstractTypeInfoType = Class.forName(
"com.puppycrawl.tools.checkstyle.checks.AbstractTypeAwareCheck$AbstractClassInfo");
Constructor<?> classAliasConstructor = classAliasType
.getDeclaredConstructor(tokenType, abstractTypeInfoType);
classAliasConstructor.setAccessible(true);
Object classAlias = classAliasConstructor.newInstance(token, regularClass);
Method toString = classAlias.getClass().getDeclaredMethod("toString");
toString.setAccessible(true);
String result = (String) toString.invoke(classAlias);
assertEquals("ClassAlias[alias Token[blablabla(1x1)] for Token[blablabla(1x1)]]", result);
}
@Test
public void testWithoutLogErrors() throws Exception {
DefaultConfiguration config = createCheckConfig(JavadocMethodCheck.class);
config.addAttribute("logLoadErrors", "false");
config.addAttribute("allowUndeclaredRTE", "true");
final String[] expected = {
"7:8: " + getCheckMessage(MSG_CLASS_INFO, "@throws", "InvalidExceptionName"),
};
try {
verify(config, getPath("javadoc/InputLoadErrors.java"), expected);
}
catch (IllegalStateException ex) {
assertEquals("Unable to get"
+ " class information for @throws tag 'InvalidExceptionName'.",
ex.getMessage());
}
}
@Test
public void testWithSuppressLoadErrors() throws Exception {
checkConfig.addAttribute("suppressLoadErrors", "true");
checkConfig.addAttribute("allowUndeclaredRTE", "true");
final String[] expected = ArrayUtils.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("javadoc/InputLoadErrors.java"), expected);
}
}