forked from checkstyle/checkstyle
/
VariableDeclarationUsageDistanceCheckTest.java
296 lines (271 loc) · 14.6 KB
/
VariableDeclarationUsageDistanceCheckTest.java
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///////////////////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code and other text files for adherence to a set of rules.
// Copyright (C) 2001-2022 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.coding;
import static com.google.common.truth.Truth.assertWithMessage;
import static com.puppycrawl.tools.checkstyle.checks.coding.VariableDeclarationUsageDistanceCheck.MSG_KEY;
import static com.puppycrawl.tools.checkstyle.checks.coding.VariableDeclarationUsageDistanceCheck.MSG_KEY_EXT;
import org.junit.jupiter.api.Test;
import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
public class VariableDeclarationUsageDistanceCheckTest extends
AbstractModuleTestSupport {
@Override
protected String getPackageLocation() {
return "com/puppycrawl/tools/checkstyle/checks/coding/variabledeclarationusagedistance";
}
@Test
public void testGeneralLogic() throws Exception {
final String[] expected = {
"42:9: " + getCheckMessage(MSG_KEY, "a", 2, 1),
"50:9: " + getCheckMessage(MSG_KEY, "temp", 2, 1),
"56:9: " + getCheckMessage(MSG_KEY, "temp", 2, 1),
"69:9: " + getCheckMessage(MSG_KEY, "count", 2, 1),
"83:9: " + getCheckMessage(MSG_KEY, "count", 4, 1),
"108:9: " + getCheckMessage(MSG_KEY, "arg", 2, 1),
"156:9: " + getCheckMessage(MSG_KEY, "m", 3, 1),
"157:9: " + getCheckMessage(MSG_KEY, "n", 2, 1),
"196:9: " + getCheckMessage(MSG_KEY, "result", 2, 1),
"231:9: " + getCheckMessage(MSG_KEY, "t", 5, 1),
"234:9: " + getCheckMessage(MSG_KEY, "c", 3, 1),
"235:9: " + getCheckMessage(MSG_KEY, "d2", 3, 1),
"272:9: " + getCheckMessage(MSG_KEY, "sel", 2, 1),
"273:9: " + getCheckMessage(MSG_KEY, "model", 2, 1),
"299:9: " + getCheckMessage(MSG_KEY, "sw", 2, 1),
"312:9: " + getCheckMessage(MSG_KEY, "wh", 2, 1),
"355:9: " + getCheckMessage(MSG_KEY, "green", 2, 1),
"356:9: " + getCheckMessage(MSG_KEY, "blue", 3, 1),
"379:9: " + getCheckMessage(MSG_KEY, "intervalMs", 2, 1),
"466:9: " + getCheckMessage(MSG_KEY, "aOpt", 3, 1),
"467:9: " + getCheckMessage(MSG_KEY, "bOpt", 2, 1),
"483:9: " + getCheckMessage(MSG_KEY, "l1", 3, 1),
"483:9: " + getCheckMessage(MSG_KEY, "l2", 2, 1),
"491:9: " + getCheckMessage(MSG_KEY, "myOption", 7, 1),
"503:9: " + getCheckMessage(MSG_KEY, "myOption", 6, 1),
"516:9: " + getCheckMessage(MSG_KEY, "count", 4, 1),
"517:9: " + getCheckMessage(MSG_KEY, "files", 2, 1),
"552:13: " + getCheckMessage(MSG_KEY, "id", 2, 1),
"554:13: " + getCheckMessage(MSG_KEY, "parentId", 3, 1),
"903:9: " + getCheckMessage(MSG_KEY, "a", 4, 1),
"913:9: " + getCheckMessage(MSG_KEY, "a", 4, 1),
"979:9: " + getCheckMessage(MSG_KEY, "a", 4, 1),
"990:9: " + getCheckMessage(MSG_KEY, "a", 2, 1),
"1001:9: " + getCheckMessage(MSG_KEY, "a", 3, 1),
"1036:9: " + getCheckMessage(MSG_KEY, "c", 3, 1),
"1066:9: " + getCheckMessage(MSG_KEY, "a", 4, 1),
};
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceGeneral.java"), expected);
}
@Test
public void testGeneralLogic2() throws Exception {
final String[] expected = {
"17:9: " + getCheckMessage(MSG_KEY, "first", 5, 1),
"29:9: " + getCheckMessage(MSG_KEY, "allInvariants", 2, 1),
"59:9: " + getCheckMessage(MSG_KEY, "a", 2, 1),
"68:9: " + getCheckMessage(MSG_KEY, "a", 4, 1),
};
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceGeneral2.java"), expected);
}
@Test
public void testDistance() throws Exception {
final String[] expected = {
"83:9: " + getCheckMessage(MSG_KEY, "count", 4, 3),
"231:9: " + getCheckMessage(MSG_KEY, "t", 5, 3),
"491:9: " + getCheckMessage(MSG_KEY, "myOption", 7, 3),
"503:9: " + getCheckMessage(MSG_KEY, "myOption", 6, 3),
"516:9: " + getCheckMessage(MSG_KEY, "count", 4, 3),
"903:9: " + getCheckMessage(MSG_KEY, "a", 4, 3),
"913:9: " + getCheckMessage(MSG_KEY, "a", 4, 3),
"979:9: " + getCheckMessage(MSG_KEY, "a", 4, 3),
"1066:9: " + getCheckMessage(MSG_KEY, "a", 4, 3),
};
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistance.java"), expected);
}
@Test
public void testVariableRegExp() throws Exception {
final String[] expected = {
"50:9: " + getCheckMessage(MSG_KEY, "temp", 2, 1),
"56:9: " + getCheckMessage(MSG_KEY, "temp", 2, 1),
"69:9: " + getCheckMessage(MSG_KEY, "count", 2, 1),
"83:9: " + getCheckMessage(MSG_KEY, "count", 4, 1),
"108:9: " + getCheckMessage(MSG_KEY, "arg", 2, 1),
"157:9: " + getCheckMessage(MSG_KEY, "n", 2, 1),
"196:9: " + getCheckMessage(MSG_KEY, "result", 2, 1),
"235:9: " + getCheckMessage(MSG_KEY, "d2", 3, 1),
"272:9: " + getCheckMessage(MSG_KEY, "sel", 2, 1),
"273:9: " + getCheckMessage(MSG_KEY, "model", 2, 1),
"299:9: " + getCheckMessage(MSG_KEY, "sw", 2, 1),
"312:9: " + getCheckMessage(MSG_KEY, "wh", 2, 1),
"355:9: " + getCheckMessage(MSG_KEY, "green", 2, 1),
"356:9: " + getCheckMessage(MSG_KEY, "blue", 3, 1),
"379:9: " + getCheckMessage(MSG_KEY, "intervalMs", 2, 1),
"466:9: " + getCheckMessage(MSG_KEY, "aOpt", 3, 1),
"467:9: " + getCheckMessage(MSG_KEY, "bOpt", 2, 1),
"483:9: " + getCheckMessage(MSG_KEY, "l1", 3, 1),
"483:9: " + getCheckMessage(MSG_KEY, "l2", 2, 1),
"491:9: " + getCheckMessage(MSG_KEY, "myOption", 7, 1),
"503:9: " + getCheckMessage(MSG_KEY, "myOption", 6, 1),
"516:9: " + getCheckMessage(MSG_KEY, "count", 4, 1),
"517:9: " + getCheckMessage(MSG_KEY, "files", 2, 1),
"552:13: " + getCheckMessage(MSG_KEY, "id", 2, 1),
"554:13: " + getCheckMessage(MSG_KEY, "parentId", 3, 1),
};
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceRegExp.java"), expected);
}
@Test
public void testValidateBetweenScopesOption() throws Exception {
final String[] expected = {
"42:9: " + getCheckMessage(MSG_KEY, "a", 2, 1),
"50:9: " + getCheckMessage(MSG_KEY, "temp", 2, 1),
"56:9: " + getCheckMessage(MSG_KEY, "temp", 2, 1),
"83:9: " + getCheckMessage(MSG_KEY, "count", 4, 1),
"108:9: " + getCheckMessage(MSG_KEY, "arg", 2, 1),
"231:9: " + getCheckMessage(MSG_KEY, "t", 5, 1),
"234:9: " + getCheckMessage(MSG_KEY, "c", 3, 1),
"235:9: " + getCheckMessage(MSG_KEY, "d2", 3, 1),
"312:9: " + getCheckMessage(MSG_KEY, "wh", 2, 1),
"355:9: " + getCheckMessage(MSG_KEY, "green", 2, 1),
"356:9: " + getCheckMessage(MSG_KEY, "blue", 3, 1),
"379:9: " + getCheckMessage(MSG_KEY, "intervalMs", 2, 1),
"466:9: " + getCheckMessage(MSG_KEY, "aOpt", 3, 1),
"467:9: " + getCheckMessage(MSG_KEY, "bOpt", 2, 1),
"483:9: " + getCheckMessage(MSG_KEY, "l1", 3, 1),
"483:9: " + getCheckMessage(MSG_KEY, "l2", 2, 1),
"491:9: " + getCheckMessage(MSG_KEY, "myOption", 7, 1),
"503:9: " + getCheckMessage(MSG_KEY, "myOption", 6, 1),
"517:9: " + getCheckMessage(MSG_KEY, "files", 2, 1),
"552:13: " + getCheckMessage(MSG_KEY, "id", 2, 1),
"554:13: " + getCheckMessage(MSG_KEY, "parentId", 4, 1),
"990:9: " + getCheckMessage(MSG_KEY, "a", 2, 1),
"1036:9: " + getCheckMessage(MSG_KEY, "c", 4, 1),
"1066:9: " + getCheckMessage(MSG_KEY, "a", 4, 1),
};
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceScopes.java"), expected);
}
@Test
public void testIgnoreFinalOption() throws Exception {
final String[] expected = {
"42:9: " + getCheckMessage(MSG_KEY_EXT, "a", 2, 1),
"50:9: " + getCheckMessage(MSG_KEY_EXT, "temp", 2, 1),
"56:9: " + getCheckMessage(MSG_KEY_EXT, "temp", 2, 1),
"69:9: " + getCheckMessage(MSG_KEY_EXT, "count", 2, 1),
"83:9: " + getCheckMessage(MSG_KEY_EXT, "count", 4, 1),
"108:9: " + getCheckMessage(MSG_KEY_EXT, "arg", 2, 1),
"156:9: " + getCheckMessage(MSG_KEY_EXT, "m", 3, 1),
"157:9: " + getCheckMessage(MSG_KEY_EXT, "n", 2, 1),
"196:9: " + getCheckMessage(MSG_KEY_EXT, "result", 2, 1),
"231:9: " + getCheckMessage(MSG_KEY_EXT, "t", 5, 1),
"234:9: " + getCheckMessage(MSG_KEY_EXT, "c", 3, 1),
"235:9: " + getCheckMessage(MSG_KEY_EXT, "d2", 3, 1),
"272:9: " + getCheckMessage(MSG_KEY_EXT, "sel", 2, 1),
"273:9: " + getCheckMessage(MSG_KEY_EXT, "model", 2, 1),
"299:9: " + getCheckMessage(MSG_KEY_EXT, "sw", 2, 1),
"312:9: " + getCheckMessage(MSG_KEY_EXT, "wh", 2, 1),
"355:9: " + getCheckMessage(MSG_KEY_EXT, "green", 2, 1),
"356:9: " + getCheckMessage(MSG_KEY_EXT, "blue", 3, 1),
"466:9: " + getCheckMessage(MSG_KEY_EXT, "aOpt", 3, 1),
"467:9: " + getCheckMessage(MSG_KEY_EXT, "bOpt", 2, 1),
"483:9: " + getCheckMessage(MSG_KEY_EXT, "l1", 3, 1),
"483:9: " + getCheckMessage(MSG_KEY_EXT, "l2", 2, 1),
"491:9: " + getCheckMessage(MSG_KEY_EXT, "myOption", 7, 1),
"503:9: " + getCheckMessage(MSG_KEY_EXT, "myOption", 6, 1),
"516:9: " + getCheckMessage(MSG_KEY_EXT, "count", 4, 1),
"517:9: " + getCheckMessage(MSG_KEY_EXT, "files", 2, 1),
"552:13: " + getCheckMessage(MSG_KEY_EXT, "id", 2, 1),
"554:13: " + getCheckMessage(MSG_KEY_EXT, "parentId", 3, 1),
"903:9: " + getCheckMessage(MSG_KEY_EXT, "a", 4, 1),
"913:9: " + getCheckMessage(MSG_KEY_EXT, "a", 4, 1),
"979:9: " + getCheckMessage(MSG_KEY_EXT, "a", 4, 1),
"1001:9: " + getCheckMessage(MSG_KEY_EXT, "a", 3, 1),
"1036:9: " + getCheckMessage(MSG_KEY_EXT, "c", 3, 1),
"1066:9: " + getCheckMessage(MSG_KEY_EXT, "a", 4, 1),
};
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceFinal.java"), expected);
}
@Test
public void testTokensNotNull() {
final VariableDeclarationUsageDistanceCheck check =
new VariableDeclarationUsageDistanceCheck();
assertWithMessage("Acceptable tokens should not be null")
.that(check.getAcceptableTokens())
.isNotNull();
assertWithMessage("Default tokens should not be null")
.that(check.getDefaultTokens())
.isNotNull();
assertWithMessage("Required tokens should not be null")
.that(check.getRequiredTokens())
.isNotNull();
}
@Test
public void testDefaultConfiguration() throws Exception {
final String[] expected = {
"83:9: " + getCheckMessage(MSG_KEY_EXT, "count", 4, 3),
"231:9: " + getCheckMessage(MSG_KEY_EXT, "t", 5, 3),
"491:9: " + getCheckMessage(MSG_KEY_EXT, "myOption", 7, 3),
"503:9: " + getCheckMessage(MSG_KEY_EXT, "myOption", 6, 3),
"554:13: " + getCheckMessage(MSG_KEY_EXT, "parentId", 4, 3),
"1036:9: " + getCheckMessage(MSG_KEY_EXT, "c", 4, 3),
"1066:9: " + getCheckMessage(MSG_KEY_EXT, "a", 4, 3),
};
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceDefault.java"), expected);
}
@Test
public void testDefaultConfiguration2() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceDefault2.java"), expected);
}
@Test
public void testAnonymousClass() throws Exception {
final String[] expected = {
"19:9: " + getCheckMessage(MSG_KEY_EXT, "prefs", 4, 3),
};
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceAnonymous.java"),
expected);
}
@Test
public void testLabels() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputVariableDeclarationUsageDistanceLabels.java"), expected);
}
@Test
public void testVariableDeclarationUsageDistanceSwitchExpressions() throws Exception {
final int maxDistance = 1;
final String[] expected = {
"35:17: " + getCheckMessage(MSG_KEY, "arg", 2, maxDistance),
"80:17: " + getCheckMessage(MSG_KEY, "m", 3, maxDistance),
"81:17: " + getCheckMessage(MSG_KEY, "n", 2, maxDistance),
"113:17: " + getCheckMessage(MSG_KEY, "arg", 2, maxDistance),
"155:17: " + getCheckMessage(MSG_KEY, "m", 3, maxDistance),
"156:17: " + getCheckMessage(MSG_KEY, "n", 2, maxDistance),
"177:17: " + getCheckMessage(MSG_KEY, "count", 3, maxDistance),
"197:17: " + getCheckMessage(MSG_KEY, "count", 3, maxDistance),
};
final String filename = "InputVariableDeclarationUsageDistanceCheckSwitchExpressions.java";
verifyWithInlineConfigParser(getNonCompilablePath(filename), expected);
}
}