diff options
Diffstat (limited to 'v3po/data-impl/src/test/java/io')
| -rw-r--r-- | v3po/data-impl/src/test/java/io/fd/honeycomb/v3po/data/impl/PersistingDataTreeAdapterTest.java | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/v3po/data-impl/src/test/java/io/fd/honeycomb/v3po/data/impl/PersistingDataTreeAdapterTest.java b/v3po/data-impl/src/test/java/io/fd/honeycomb/v3po/data/impl/PersistingDataTreeAdapterTest.java new file mode 100644 index 000000000..986d7cfb1 --- /dev/null +++ b/v3po/data-impl/src/test/java/io/fd/honeycomb/v3po/data/impl/PersistingDataTreeAdapterTest.java @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.honeycomb.v3po.data.impl; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; +import static org.junit.Assert.fail; +import static org.mockito.Matchers.any; +import static org.mockito.Mockito.doReturn; +import static org.mockito.Mockito.doThrow; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; + +import com.google.common.io.ByteStreams; +import java.nio.file.Files; +import java.nio.file.Path; +import org.junit.Before; +import org.junit.Test; +import org.mockito.Mock; +import org.mockito.MockitoAnnotations; +import org.opendaylight.controller.sal.core.api.model.SchemaService; +import org.opendaylight.yangtools.yang.common.QName; +import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; +import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; +import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree; +import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate; +import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot; +import org.opendaylight.yangtools.yang.data.impl.schema.Builders; +import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes; +import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor; +import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.YangInferencePipeline; +import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.YangStatementSourceImpl; +import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.EffectiveSchemaContext; + +public class PersistingDataTreeAdapterTest { + + public static final String NAMESPACE = "urn:opendaylight:params:xml:ns:yang:test:persistence"; + + // The root QNAME can be anything, onyl its children are iterated + private static final QName ROOT_QNAME = QName.create("random", "data"); + private static final QName TOP_CONTAINER_NAME = QName.create(NAMESPACE, "2015-01-05", "top-container"); + private static final QName STRING_LEAF_QNAME = QName.create(TOP_CONTAINER_NAME, "string"); + + @Mock + private DataTree delegatingDataTree; + @Mock + private SchemaService schemaService; + @Mock + private DataTreeSnapshot snapshot; + + private Path tmpPersistFile; + + private PersistingDataTreeAdapter persistingDataTreeAdapter; + + @Before + public void setUp() throws Exception { + MockitoAnnotations.initMocks(this); + tmpPersistFile = Files.createTempFile("testing-hc-persistence", "json"); + + // Build test yang schemas + final CrossSourceStatementReactor.BuildAction buildAction = YangInferencePipeline.RFC6020_REACTOR.newBuild(); + buildAction.addSource(new YangStatementSourceImpl(getClass().getResourceAsStream("/test-persistence.yang"))); + final EffectiveSchemaContext effectiveSchemaContext = buildAction.buildEffective(); + doReturn(effectiveSchemaContext).when(schemaService).getGlobalContext(); + + persistingDataTreeAdapter = new PersistingDataTreeAdapter(delegatingDataTree, schemaService, tmpPersistFile); + } + + @Test + public void testPersist() throws Exception { + doReturn(snapshot).when(delegatingDataTree).takeSnapshot(); + + NormalizedNode<?, ?> data = getData("testing"); + doReturn(com.google.common.base.Optional.of(data)).when(snapshot).readNode(YangInstanceIdentifier.EMPTY); + persistingDataTreeAdapter.commit(null); + assertTrue(Files.exists(tmpPersistFile)); + + String persisted = new String(Files.readAllBytes(tmpPersistFile)); + String expected = + new String(ByteStreams.toByteArray(getClass().getResourceAsStream("/expected-persisted-output.txt"))); + + assertEquals(expected, persisted); + + data = getData("testing2"); + doReturn(com.google.common.base.Optional.of(data)).when(snapshot).readNode(YangInstanceIdentifier.EMPTY); + persistingDataTreeAdapter.commit(null); + + verify(delegatingDataTree, times(2)).commit(null); + + persisted = new String(Files.readAllBytes(tmpPersistFile)); + assertEquals(expected.replace("testing", "testing2"), persisted); + + persistingDataTreeAdapter.close(); + + // File has to stay even after close + assertTrue(Files.exists(tmpPersistFile)); + } + + @Test + public void testNoPersistOnFailure() throws Exception { + doThrow(new IllegalStateException("testing errors")).when(delegatingDataTree).commit(any(DataTreeCandidate.class)); + + try { + persistingDataTreeAdapter.commit(null); + fail("Exception expected"); + } catch (IllegalStateException e) { + assertFalse(Files.exists(tmpPersistFile)); + verify(delegatingDataTree, times(0)).takeSnapshot(); + verify(delegatingDataTree).commit(any(DataTreeCandidate.class)); + } + } + + private NormalizedNode<?, ?> getData(final String stringValue) { + return Builders.containerBuilder() + .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(ROOT_QNAME)) + .withChild(Builders.containerBuilder() + .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(TOP_CONTAINER_NAME)) + .withChild(ImmutableNodes.leafNode(STRING_LEAF_QNAME, stringValue)) + .build()) + .build(); + } +}
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