model/yang-model-util/src/test/java/org/opendaylight/yangtools/yang/model/util/YT1233Test.java

   1 /*
   2  * Copyright (c) 2021 PANTHEON.tech, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.yang.model.util;
   9
  10 import static org.hamcrest.CoreMatchers.startsWith;
  11 import static org.hamcrest.MatcherAssert.assertThat;
  12 import static org.junit.Assert.assertSame;
  13 import static org.junit.Assert.assertThrows;
  14 import static org.junit.Assert.assertTrue;
  15
  16 import java.util.NoSuchElementException;
  17 import org.junit.BeforeClass;
  18 import org.junit.Test;
  19 import org.opendaylight.yangtools.yang.common.QName;
  20 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.DataTreeEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.GroupingEffectiveStatement;
  23 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
  24
  25 public class YT1233Test {
  26     private static EffectiveModelContext context;
  27
  28     private final SchemaInferenceStack stack = SchemaInferenceStack.of(context);
  29
  30     @BeforeClass
  31     public static void beforeClass() {
  32         context = YangParserTestUtils.parseYangResource("/yt1233.yang");
  33     }
  34
  35     @Test
  36     public void testExitToDataTree() {
  37         final DataTreeEffectiveStatement<?> foo = stack.enterDataTree(QName.create("foo", "foo"));
  38         assertSame(foo, stack.exitToDataTree());
  39         assertTrue(stack.isEmpty());
  40         assertSame(foo, stack.enterDataTree(foo.argument()));
  41     }
  42
  43     @Test
  44     public void testExitToGrouping() {
  45         final GroupingEffectiveStatement baz = stack.enterGrouping(QName.create("foo", "baz"));
  46         final DataTreeEffectiveStatement<?> xyzzy = stack.enterDataTree(QName.create("foo", "xyzzy"));
  47         assertSame(xyzzy, stack.exitToDataTree());
  48         assertSame(baz, stack.currentStatement());
  49         assertSame(xyzzy, stack.enterDataTree(xyzzy.argument()));
  50     }
  51
  52     @Test
  53     public void testEmptyExitToDataTree() {
  54         assertThrows(NoSuchElementException.class, stack::exitToDataTree);
  55     }
  56
  57     @Test
  58     public void testSchemaExitToDataTree() {
  59         stack.enterSchemaTree(QName.create("foo", "bar"));
  60         final IllegalStateException ex = assertThrows(IllegalStateException.class, stack::exitToDataTree);
  61         assertThat(ex.getMessage(), startsWith("Unexpected current "));
  62     }
  63 }