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ParameterNameCheckTest.java
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ParameterNameCheckTest.java
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////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code for adherence to a set of rules.
// Copyright (C) 2001-2020 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.naming;
import static com.puppycrawl.tools.checkstyle.checks.naming.AbstractNameCheck.MSG_INVALID_PATTERN;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import org.junit.jupiter.api.Test;
import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
public class ParameterNameCheckTest
extends AbstractModuleTestSupport {
@Override
protected String getPackageLocation() {
return "com/puppycrawl/tools/checkstyle/checks/naming/parametername";
}
@Test
public void testGetRequiredTokens() {
final ParameterNameCheck checkObj = new ParameterNameCheck();
final int[] expected = {TokenTypes.PARAMETER_DEF};
assertArrayEquals(expected, checkObj.getRequiredTokens(),
"Default required tokens are invalid");
}
@Test
public void testCatch()
throws Exception {
final DefaultConfiguration checkConfig =
createModuleConfig(ParameterNameCheck.class);
checkConfig.addAttribute("format", "^NO_WAY_MATEY$");
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("InputParameterNameCatchOnly.java"), expected);
}
@Test
public void testSpecified()
throws Exception {
final DefaultConfiguration checkConfig =
createModuleConfig(ParameterNameCheck.class);
checkConfig.addAttribute("format", "^a[A-Z][a-zA-Z0-9]*$");
final String pattern = "^a[A-Z][a-zA-Z0-9]*$";
final String[] expected = {
"71:19: " + getCheckMessage(MSG_INVALID_PATTERN, "badFormat1", pattern),
"71:34: " + getCheckMessage(MSG_INVALID_PATTERN, "badFormat2", pattern),
"72:25: " + getCheckMessage(MSG_INVALID_PATTERN, "badFormat3", pattern),
};
verify(checkConfig, getPath("InputParameterName.java"), expected);
}
@Test
public void testDefault()
throws Exception {
final DefaultConfiguration checkConfig =
createModuleConfig(ParameterNameCheck.class);
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("InputParameterName.java"), expected);
}
@Test
public void testGetAcceptableTokens() {
final ParameterNameCheck parameterNameCheckObj = new ParameterNameCheck();
final int[] actual = parameterNameCheckObj.getAcceptableTokens();
final int[] expected = {
TokenTypes.PARAMETER_DEF,
};
assertArrayEquals(expected, actual, "Default acceptable tokens are invalid");
}
@Test
public void testSkipMethodsWithOverrideAnnotationTrue()
throws Exception {
final DefaultConfiguration checkConfig =
createModuleConfig(ParameterNameCheck.class);
checkConfig.addAttribute("format", "^h$");
checkConfig.addAttribute("ignoreOverridden", "true");
final String pattern = "^h$";
final String[] expected = {
"11:28: " + getCheckMessage(MSG_INVALID_PATTERN, "object", pattern),
"15:30: " + getCheckMessage(MSG_INVALID_PATTERN, "aaaa", pattern),
"19:19: " + getCheckMessage(MSG_INVALID_PATTERN, "abc", pattern),
"19:28: " + getCheckMessage(MSG_INVALID_PATTERN, "bd", pattern),
"21:18: " + getCheckMessage(MSG_INVALID_PATTERN, "abc", pattern),
"28:46: " + getCheckMessage(MSG_INVALID_PATTERN, "fie", pattern),
"28:73: " + getCheckMessage(MSG_INVALID_PATTERN, "pkgNames", pattern),
};
verify(checkConfig, getPath("InputParameterNameOverrideAnnotation.java"), expected);
}
@Test
public void testSkipMethodsWithOverrideAnnotationFalse()
throws Exception {
final DefaultConfiguration checkConfig =
createModuleConfig(ParameterNameCheck.class);
checkConfig.addAttribute("format", "^h$");
checkConfig.addAttribute("ignoreOverridden", "false");
final String pattern = "^h$";
final String[] expected = {
"6:34: " + getCheckMessage(MSG_INVALID_PATTERN, "o", pattern),
"11:28: " + getCheckMessage(MSG_INVALID_PATTERN, "object", pattern),
"15:30: " + getCheckMessage(MSG_INVALID_PATTERN, "aaaa", pattern),
"19:19: " + getCheckMessage(MSG_INVALID_PATTERN, "abc", pattern),
"19:28: " + getCheckMessage(MSG_INVALID_PATTERN, "bd", pattern),
"21:18: " + getCheckMessage(MSG_INVALID_PATTERN, "abc", pattern),
"28:46: " + getCheckMessage(MSG_INVALID_PATTERN, "fie", pattern),
"28:73: " + getCheckMessage(MSG_INVALID_PATTERN, "pkgNames", pattern),
};
verify(checkConfig, getPath("InputParameterNameOverrideAnnotation.java"), expected);
}
@Test
public void testPublicAccessModifier()
throws Exception {
final DefaultConfiguration checkConfig =
createModuleConfig(ParameterNameCheck.class);
checkConfig.addAttribute("format", "^h$");
checkConfig.addAttribute("accessModifiers", AccessModifierOption.PUBLIC.toString());
final String pattern = "^h$";
final String[] expected = {
"5:49: " + getCheckMessage(MSG_INVALID_PATTERN, "pubconstr", pattern),
"9:31: " + getCheckMessage(MSG_INVALID_PATTERN, "inner", pattern),
"19:24: " + getCheckMessage(MSG_INVALID_PATTERN, "pubpub", pattern),
"30:21: " + getCheckMessage(MSG_INVALID_PATTERN, "pubifc", pattern),
"44:24: " + getCheckMessage(MSG_INVALID_PATTERN, "packpub", pattern),
"60:21: " + getCheckMessage(MSG_INVALID_PATTERN, "packifc", pattern),
};
verify(checkConfig, getPath("InputParameterNameAccessModifier.java"), expected);
}
@Test
public void testIsOverriddenNoNullPointerException()
throws Exception {
final DefaultConfiguration checkConfig = createModuleConfig(ParameterNameCheck.class);
checkConfig.addAttribute("format", "^[a-z][a-zA-Z0-9]*$");
checkConfig.addAttribute("ignoreOverridden", "true");
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("InputParameterNameOverrideAnnotationNoNPE.java"), expected);
}
@Test
public void testReceiverParameter() throws Exception {
final DefaultConfiguration checkConfig = createModuleConfig(ParameterNameCheck.class);
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("InputParameterNameReceiver.java"), expected);
}
@Test
public void testLambdaParameterNoViolationAtAll() throws Exception {
final DefaultConfiguration checkConfig = createModuleConfig(ParameterNameCheck.class);
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verify(checkConfig, getPath("InputParameterNameLambda.java"), expected);
}
}