--- /dev/null
+/*
+ * Copyright (c) 2017 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import com.google.common.collect.ImmutableList;
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.io.UnsupportedEncodingException;
+import java.util.List;
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
+import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
+import org.opendaylight.yangtools.yang.stmt.StmtTestUtils;
+
+public class Bug5410Test {
+ private static final String FOO_NS = "foo";
+ private static final String FOO_REV = "1970-01-01";
+
+ @Test
+ public void testJavaRegexFromXSD() {
+ testPattern("^[^:]+$", "^\\^[^:]+\\$$", ImmutableList.of("^a$", "^abc$"),
+ ImmutableList.of("abc$", "^abc", "^a:bc$"));
+ testPattern("^[$^]$", "^\\^[$^]\\$$", ImmutableList.of("^^$", "^$$"), ImmutableList.of("^^", "^$", "$^", "$$"));
+ testPattern("[$-%]+", "^[$-%]+$", ImmutableList.of("$", "%", "%$"), ImmutableList.of("$-", "$-%", "-", "^"));
+ testPattern("[$-&]+", "^[$-&]+$", ImmutableList.of("$", "%&", "%$", "$%&"), ImmutableList.of("#", "$-&", "'"));
+
+ testPattern("[a-z&&[^m-p]]+", "^[a-z&&[^m-p]]+$", ImmutableList.of("a", "z", "az"),
+ ImmutableList.of("m", "anz", "o"));
+ testPattern("^[\\[-b&&[^^-a]]+$", "^\\^[\\[-b&&[^^-a]]+\\$$", ImmutableList.of("^[$", "^\\$", "^]$", "^b$"),
+ ImmutableList.of("^a$", "^^$", "^_$"));
+
+ testPattern("[^^-~&&[^$-^]]", "^[^^-~&&[^$-^]]$", ImmutableList.of("!", "\"", "#"),
+ ImmutableList.of("a", "A", "z", "Z", "$", "%", "^", "}"));
+ testPattern("\\\\\\[^[^^-~&&[^$-^]]", "^\\\\\\[\\^[^^-~&&[^$-^]]$",
+ ImmutableList.of("\\[^ ", "\\[^!", "\\[^\"", "\\[^#"),
+ ImmutableList.of("\\[^a", "\\[^A", "\\[^z", "\\[^Z", "\\[^$", "\\[^%", "\\[^^", "\\[^}"));
+ testPattern("^\\[^\\\\[^^-b&&[^\\[-\\]]]\\]^", "^\\^\\[\\^\\\\[^^-b&&[^\\[-\\]]]\\]\\^$",
+ ImmutableList.of("^[^\\c]^", "^[^\\Z]^"),
+ ImmutableList.of("^[^\\[]^", "^[^\\\\]^", "^[^\\]]^", "^[^\\^]^", "^[^\\_]^", "^[^\\b]^"));
+ testPattern("[\\^]$", "^[\\^]\\$$", ImmutableList.of("^$"),
+ ImmutableList.of("^", "$", "$^", "\\", "\\^", "\\^\\", "\\^\\$"));
+ }
+
+ @Test
+ public void testInvalidXSDRegexes() throws UnsupportedEncodingException {
+ testInvalidPattern("$^a^[$^\\]", "Unclosed character class");
+ testInvalidPattern("$(\\)", "Unclosed group");
+ }
+
+ @Test
+ public void testJavaPattern() {
+ testPattern("^[$^]+$", ImmutableList.of("$^", "^", "$"), ImmutableList.of("\\", "a"));
+ testPattern("^[^$-^]$", ImmutableList.of("a", "_", "#"), ImmutableList.of("%", "^", "$", "]", "\\"));
+ }
+
+ @Test
+ public void testYangPattern() throws Exception {
+ final SchemaContext context = StmtTestUtils.parseYangSources("/bugs/bug5410");
+ assertNotNull(context);
+
+ final PatternConstraint pattern = getPatternConstraintOf(context, "leaf-with-pattern");
+
+ final String rawRegex = pattern.getRawRegularExpression();
+ final String expectedYangRegex = "$0$.*|$1$[a-zA-Z0-9./]{1,8}$[a-zA-Z0-9./]{22}|$5$(rounds=\\d+$)?[a-zA-Z0-9./]{1,16}$[a-zA-Z0-9./]{43}|$6$(rounds=\\d+$)?[a-zA-Z0-9./]{1,16}$[a-zA-Z0-9./]{86}";
+ assertEquals(expectedYangRegex, rawRegex);
+
+ final String javaRegexFromYang = pattern.getRegularExpression();
+ final String expectedJavaRegex = "^\\$0\\$.*|\\$1\\$[a-zA-Z0-9./]{1,8}\\$[a-zA-Z0-9./]{22}|\\$5\\$(rounds=\\d+\\$)?[a-zA-Z0-9./]{1,16}\\$[a-zA-Z0-9./]{43}|\\$6\\$(rounds=\\d+\\$)?[a-zA-Z0-9./]{1,16}\\$[a-zA-Z0-9./]{86}$";
+ assertEquals(expectedJavaRegex, javaRegexFromYang);
+
+ final String value = "$6$AnrKGc0V$B/0/A.pWg4HrrA6YiEJOtFGibQ9Fmm5.4rI/00gEz3QeB7joSxBU3YtbHDm6NSkS1dKTQy3BWhwKKDS8nB5S//";
+ testPattern(javaRegexFromYang, ImmutableList.of(value), ImmutableList.of());
+ }
+
+ @Test
+ public void testCaret() {
+ testPattern("^", "\\^");
+ }
+
+ @Test
+ public void testTextCaret() {
+ testPattern("abc^", "abc\\^");
+ }
+
+ @Test
+ public void testTextDollar() {
+ testPattern("abc$", "abc\\$");
+ }
+
+ @Test
+ public void testCaretCaret() {
+ testPattern("^^", "\\^\\^");
+ }
+
+ @Test
+ public void testCaretDollar() {
+ testPattern("^$", "\\^\\$");
+ }
+
+ @Test
+ public void testDot() {
+ testPattern(".", ".");
+ }
+
+ @Test
+ public void testNotColon() {
+ testPattern("[^:]+", "[^:]+");
+ }
+
+ @Test
+ public void testDollar() {
+ testPattern("$", "\\$");
+ }
+
+ @Test
+ public void testDollarOneDollar() {
+ testPattern("$1$", "\\$1\\$");
+ }
+
+ @Test
+ public void testDollarPercentRange() {
+ testPattern("[$-%]+", "[$-%]+");
+ }
+
+ @Test
+ public void testDollarRange() {
+ testPattern("[$$]+", "[$$]+");
+ }
+
+ @Test
+ public void testDollarCaretRange() {
+ testPattern("[$^]+", "[$^]+");
+ }
+
+ @Test
+ public void testSimple() {
+ testPattern("abc", "abc");
+ }
+
+ @Test
+ public void testDotPlus() {
+ testPattern(".+", ".+");
+ }
+
+ @Test
+ public void testDotStar() {
+ testPattern(".*", ".*");
+ }
+
+ @Test
+ public void testSimpleOptional() {
+ testPattern("a?", "a?");
+ }
+
+ @Test
+ public void testRangeOptional() {
+ testPattern("[a-z]?", "[a-z]?");
+ }
+
+ private static void testPattern(final String xsdRegex, final String expectedJavaRegex,
+ final List<String> positiveMatches, final List<String> negativeMatches) {
+ final String javaRegexFromXSD = javaRegexFromXSD(xsdRegex);
+ assertEquals(expectedJavaRegex, javaRegexFromXSD);
+
+ for (final String value : positiveMatches) {
+ assertTrue("Value '" + value + "' does not match java regex '" + javaRegexFromXSD + "'",
+ testMatch(javaRegexFromXSD, value));
+ }
+ for (final String value : negativeMatches) {
+ assertFalse("Value '" + value + "' matches java regex '" + javaRegexFromXSD + "'",
+ testMatch(javaRegexFromXSD, value));
+ }
+ }
+
+ private static void testPattern(final String javaRegex, final List<String> positiveMatches,
+ final List<String> negativeMatches) {
+ for (final String value : positiveMatches) {
+ assertTrue("Value '" + value + "' does not match java regex '" + javaRegex + "'",
+ testMatch(javaRegex, value));
+ }
+ for (final String value : negativeMatches) {
+ assertFalse("Value '" + value + "' matches java regex '" + javaRegex + "'", testMatch(javaRegex, value));
+ }
+ }
+
+ private static String javaRegexFromXSD(final String xsdRegex) {
+ return PatternStatementImpl.Definition.getJavaRegexFromXSD(xsdRegex);
+ }
+
+ private static boolean testMatch(final String javaRegex, final String value) {
+ return value.matches(javaRegex);
+ }
+
+ private static void testPattern(final String xsdRegex, final String unanchoredJavaRegex) {
+ testPattern(xsdRegex, '^' + unanchoredJavaRegex + '$', ImmutableList.of(), ImmutableList.of());
+ }
+
+ private static PatternConstraint getPatternConstraintOf(final SchemaContext context, final String leafName) {
+ final DataSchemaNode dataChildByName = context.getDataChildByName(foo(leafName));
+ assertTrue(dataChildByName instanceof LeafSchemaNode);
+ final LeafSchemaNode leaf = (LeafSchemaNode) dataChildByName;
+ final TypeDefinition<? extends TypeDefinition<?>> type = leaf.getType();
+ assertTrue(type instanceof StringTypeDefinition);
+ final StringTypeDefinition strType = (StringTypeDefinition) type;
+ return strType.getPatternConstraints().iterator().next();
+ }
+
+ private static QName foo(final String localName) {
+ return QName.create(FOO_NS, FOO_REV, localName);
+ }
+
+ private static void testInvalidPattern(final String xsdRegex, final String expectedMessage) throws UnsupportedEncodingException {
+ final PrintStream stdout = System.out;
+ final ByteArrayOutputStream output = new ByteArrayOutputStream();
+ System.setOut(new PrintStream(output, true, "UTF-8"));
+
+ javaRegexFromXSD(xsdRegex);
+
+ final String testLog = output.toString();
+ assertTrue(testLog.contains(expectedMessage));
+ System.setOut(stdout);
+ }
+}