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[yangtools.git] / data / yang-data-util / src / test / java / org / opendaylight / yangtools / yang / data / util / codec / IdentityCodecUtilTest.java

diff --git a/data/yang-data-util/src/test/java/org/opendaylight/yangtools/yang/data/util/codec/IdentityCodecUtilTest.java b/data/yang-data-util/src/test/java/org/opendaylight/yangtools/yang/data/util/codec/IdentityCodecUtilTest.java
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+++ b/data/yang-data-util/src/test/java/org/opendaylight/yangtools/yang/data/util/codec/IdentityCodecUtilTest.java
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+/*
+ * 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.data.util.codec;
+
+import static com.google.common.base.Preconditions.checkState;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThrows;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+import org.opendaylight.yangtools.yang.common.XMLNamespace;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
+
+public class IdentityCodecUtilTest {
+    private static final QNameModule MODULE = QNameModule.create(XMLNamespace.of("yangtools846"));
+    private static EffectiveModelContext SCHEMA_CONTEXT;
+
+    @BeforeClass
+    public static void init() {
+        SCHEMA_CONTEXT = YangParserTestUtils.parseYangResource("/yangtools846.yang");
+    }
+
+    @AfterClass
+    public static void cleanup() {
+        SCHEMA_CONTEXT = null;
+    }
+
+    @Test
+    public void testCorrectInput() {
+        assertNotNull(IdentityCodecUtil.parseIdentity("yt846:foo", SCHEMA_CONTEXT,
+            IdentityCodecUtilTest::resolvePrefix));
+    }
+
+    @Test
+    public void testNonExistent() {
+        assertThrows(IllegalArgumentException.class,
+            () -> IdentityCodecUtil.parseIdentity("yt846:bar", SCHEMA_CONTEXT, IdentityCodecUtilTest::resolvePrefix));
+    }
+
+    @Test
+    public void testEmptyLocalName() {
+        assertThrows(IllegalArgumentException.class,
+            () -> IdentityCodecUtil.parseIdentity("yt846:", SCHEMA_CONTEXT, IdentityCodecUtilTest::resolvePrefix));
+    }
+
+    @Test
+    public void testEmptyString() {
+        assertThrows(IllegalStateException.class,
+            () -> IdentityCodecUtil.parseIdentity("", SCHEMA_CONTEXT, IdentityCodecUtilTest::resolvePrefix));
+    }
+
+    @Test
+    public void testNoPrefix() {
+        assertThrows(IllegalStateException.class,
+            () -> IdentityCodecUtil.parseIdentity("foo", SCHEMA_CONTEXT, IdentityCodecUtilTest::resolvePrefix));
+    }
+
+    @Test
+    public void testEmptyPrefix() {
+        assertThrows(IllegalStateException.class,
+            () -> IdentityCodecUtil.parseIdentity(":foo", SCHEMA_CONTEXT, IdentityCodecUtilTest::resolvePrefix));
+    }
+
+    @Test
+    public void testColon() {
+        assertThrows(IllegalStateException.class,
+            () -> IdentityCodecUtil.parseIdentity(":", SCHEMA_CONTEXT, IdentityCodecUtilTest::resolvePrefix));
+    }
+
+    private static QNameModule resolvePrefix(final String prefix) {
+        // TODO: QNameCodecUtil should deal with some of the malformed stuff here by throwing IAE. We throw an ISE
+        //       to discern what is happening.
+        checkState("yt846".equals(prefix), "Unexpected prefix %s", prefix);
+        return MODULE;
+    }
+}