Move Bug4079/Bug5410 tests from yang-parser to yang-model-util

[yangtools.git] / yang / yang-model-util / src / test / java / org / opendaylight / yangtools / yang / model / util / Bug5410Test.java

diff --git a/yang/yang-model-util/src/test/java/org/opendaylight/yangtools/yang/model/util/Bug5410Test.java b/yang/yang-model-util/src/test/java/org/opendaylight/yangtools/yang/model/util/Bug5410Test.java
new file mode 100644 (file)
index 0000000..41daafa
--- /dev/null
+++ b/yang/yang-model-util/src/test/java/org/opendaylight/yangtools/yang/model/util/Bug5410Test.java
@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2018 Pantheon Technologies, s.r.o. 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.model.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+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;
+
+public class Bug5410Test {
+    @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]?");
+    }
+
+    @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 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("^$"),
+                ImmutableList.of("^", "$", "$^", "\\", "\\^", "\\^\\", "\\^\\$"));
+    }
+
+    @SuppressWarnings("checkstyle:regexpSinglelineJava")
+    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"));
+
+        RegexUtils.getJavaRegexFromXSD(xsdRegex);
+
+        final String testLog = output.toString();
+        assertTrue(testLog.contains(expectedMessage));
+        System.setOut(stdout);
+    }
+
+    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 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 void testPattern(final String xsdRegex, final String expectedJavaRegex,
+            final List<String> positiveMatches, final List<String> negativeMatches) {
+        final String javaRegexFromXSD = RegexUtils.getJavaRegexFromXSD(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));
+        }
+    }
+}