path: root/plugins/plugins-context/context-schema/context-schema-avro/src/test/java/org/onap/policy/apex/plugins/context/schema/avro/TestAvroSchemaHelperUnmarshal.java

/*-
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
 * ================================================================================
 * 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.
 * 
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.apex.plugins.context.schema.avro;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import org.apache.avro.util.Utf8;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.apex.context.SchemaHelper;
import org.onap.policy.apex.context.impl.schema.SchemaHelperFactory;
import org.onap.policy.apex.context.parameters.SchemaParameters;
import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
import org.onap.policy.apex.model.basicmodel.concepts.AxKey;
import org.onap.policy.apex.model.basicmodel.service.ModelService;
import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchema;
import org.onap.policy.apex.model.contextmodel.concepts.AxContextSchemas;

/**
 * @author Liam Fallon (liam.fallon@ericsson.com)
 * @version
 */
public class TestAvroSchemaHelperUnmarshal {
    private final AxKey testKey = new AxArtifactKey("AvroTest", "0.0.1");
    private AxContextSchemas schemas;

    @Before
    public void initTest() {
        schemas = new AxContextSchemas(new AxArtifactKey("AvroSchemas", "0.0.1"));
        ModelService.registerModel(AxContextSchemas.class, schemas);
        new SchemaParameters().getSchemaHelperParameterMap().put("Avro", new AvroSchemaHelperParameters());
    }

    // @Test
    public void testNullUnmarshal() {
        final AxContextSchema avroNullSchema =
                new AxContextSchema(new AxArtifactKey("AvroNull", "0.0.1"), "Avro", "{\"type\": \"null\"}");

        schemas.getSchemasMap().put(avroNullSchema.getKey(), avroNullSchema);
        final SchemaHelper schemaHelper0 =
                new SchemaHelperFactory().createSchemaHelper(testKey, avroNullSchema.getKey());

        try {
            schemaHelper0.createNewInstance();
            fail("test should throw an exception here");
        } catch (final Exception e) {
            assertEquals("AvroTest:0.0.1: could not create an instance, schema class for the schema is null",
                    e.getMessage());
        }

        assertEquals(null, schemaHelper0.unmarshal("null"));

        try {
            schemaHelper0.unmarshal("123");
            fail("test should throw an exception here");
        } catch (final Exception e) {
            assertEquals(
                    "AvroTest:0.0.1: object \"123\" Avro unmarshalling failed: Expected null. Got VALUE_NUMBER_INT",
                    e.getMessage());
        }
    }

    // @Test
    public void testBooleanUnmarshal() {
        final AxContextSchema avroBooleanSchema =
                new AxContextSchema(new AxArtifactKey("AvroBoolean", "0.0.1"), "Avro", "{\"type\": \"boolean\"}");

        schemas.getSchemasMap().put(avroBooleanSchema.getKey(), avroBooleanSchema);
        final SchemaHelper schemaHelper1 =
                new SchemaHelperFactory().createSchemaHelper(testKey, avroBooleanSchema.getKey());

        try {
            schemaHelper1.createNewInstance();
            fail("test should throw an exception here");
        } catch (final Exception e) {
            assertEquals(
                    "AvroTest:0.0.1: could not create an instance of class \"java.lang.Boolean\" using the default constructor \"Boolean()\"",
                    e.getMessage());
        }
        assertEquals(true, schemaHelper1.createNewInstance("true"));

        assertEquals(true, schemaHelper1.unmarshal("true"));
        assertEquals(false, schemaHelper1.unmarshal("false"));
        try {
            schemaHelper1.unmarshal(0);
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertEquals(
                    "AvroTest:0.0.1: object \"0\" Avro unmarshalling failed: Expected boolean. Got VALUE_NUMBER_INT",
                    e.getMessage());
        }
    }

    // @Test
    public void testIntUnmarshal() {
        final AxContextSchema avroIntSchema =
                new AxContextSchema(new AxArtifactKey("AvroInt", "0.0.1"), "Avro", "{\"type\": \"int\"}");

        schemas.getSchemasMap().put(avroIntSchema.getKey(), avroIntSchema);
        final SchemaHelper schemaHelper2 =
                new SchemaHelperFactory().createSchemaHelper(testKey, avroIntSchema.getKey());

        try {
            schemaHelper2.createNewInstance();
            fail("test should throw an exception here");
        } catch (final Exception e) {
            assertEquals(
                    "AvroTest:0.0.1: could not create an instance of class \"java.lang.Integer\" using the default constructor \"Integer()\"",
                    e.getMessage());
        }
        assertEquals(123, schemaHelper2.createNewInstance("123"));

        assertEquals(0, schemaHelper2.unmarshal("0"));
        assertEquals(1, schemaHelper2.unmarshal("1"));
        assertEquals(-1, schemaHelper2.unmarshal("-1"));
        assertEquals(1, schemaHelper2.unmarshal("1.23"));
        assertEquals(-1, schemaHelper2.unmarshal("-1.23"));
        assertEquals(2147483647, schemaHelper2.unmarshal("2147483647"));
        assertEquals(-2147483648, schemaHelper2.unmarshal("-2147483648"));
        try {
            schemaHelper2.unmarshal("2147483648");
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().startsWith(
                    "AvroTest:0.0.1: object \"2147483648\" Avro unmarshalling failed: Numeric value (2147483648) out of range of int"));
        }
        try {
            schemaHelper2.unmarshal("-2147483649");
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().startsWith(
                    "AvroTest:0.0.1: object \"-2147483649\" Avro unmarshalling failed: Numeric value (-2147483649) out of range of int"));
        }
        try {
            schemaHelper2.unmarshal(null);
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"null\" Avro unmarshalling failed: String to read from cannot be null!"));
        }
    }

    // @Test
    public void testLongUnmarshal() {
        final AxContextSchema avroLongSchema =
                new AxContextSchema(new AxArtifactKey("AvroLong", "0.0.1"), "Avro", "{\"type\": \"long\"}");

        schemas.getSchemasMap().put(avroLongSchema.getKey(), avroLongSchema);
        final SchemaHelper schemaHelper3 =
                new SchemaHelperFactory().createSchemaHelper(testKey, avroLongSchema.getKey());

        try {
            schemaHelper3.createNewInstance();
            fail("test should throw an exception here");
        } catch (final Exception e) {
            assertEquals(
                    "AvroTest:0.0.1: could not create an instance of class \"java.lang.Long\" using the default constructor \"Long()\"",
                    e.getMessage());
        }
        assertEquals(123456789L, schemaHelper3.createNewInstance("123456789"));

        assertEquals(0L, schemaHelper3.unmarshal("0"));
        assertEquals(1L, schemaHelper3.unmarshal("1"));
        assertEquals(-1L, schemaHelper3.unmarshal("-1"));
        assertEquals(1L, schemaHelper3.unmarshal("1.23"));
        assertEquals(-1L, schemaHelper3.unmarshal("-1.23"));
        assertEquals(9223372036854775807L, schemaHelper3.unmarshal("9223372036854775807"));
        assertEquals(-9223372036854775808L, schemaHelper3.unmarshal("-9223372036854775808"));
        try {
            schemaHelper3.unmarshal("9223372036854775808");
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().startsWith(
                    "AvroTest:0.0.1: object \"9223372036854775808\" Avro unmarshalling failed: Numeric value (9223372036854775808) out of range of long"));
        }
        try {
            schemaHelper3.unmarshal("-9223372036854775809");
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().startsWith(
                    "AvroTest:0.0.1: object \"-9223372036854775809\" Avro unmarshalling failed: Numeric value (-9223372036854775809) out of range of long"));
        }
        try {
            schemaHelper3.unmarshal("\"Hello\"");
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"\"Hello\"\" Avro unmarshalling failed: Expected long. Got VALUE_STRING"));
        }
        try {
            schemaHelper3.unmarshal(null);
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"null\" Avro unmarshalling failed: String to read from cannot be null!"));
        }
    }

    // @Test
    public void testFloatUnmarshal() {
        final AxContextSchema avroFloatSchema =
                new AxContextSchema(new AxArtifactKey("AvroFloat", "0.0.1"), "Avro", "{\"type\": \"float\"}");

        schemas.getSchemasMap().put(avroFloatSchema.getKey(), avroFloatSchema);
        final SchemaHelper schemaHelper4 =
                new SchemaHelperFactory().createSchemaHelper(testKey, avroFloatSchema.getKey());

        try {
            schemaHelper4.createNewInstance();
            fail("test should throw an exception here");
        } catch (final Exception e) {
            assertEquals(
                    "AvroTest:0.0.1: could not create an instance of class \"java.lang.Float\" using the default constructor \"Float()\"",
                    e.getMessage());
        }
        assertEquals(1.2345F, schemaHelper4.createNewInstance("1.2345"));

        assertEquals(0.0F, schemaHelper4.unmarshal("0"));
        assertEquals(1.0F, schemaHelper4.unmarshal("1"));
        assertEquals(-1.0F, schemaHelper4.unmarshal("-1"));
        assertEquals(1.23F, schemaHelper4.unmarshal("1.23"));
        assertEquals(-1.23F, schemaHelper4.unmarshal("-1.23"));
        assertEquals(9.223372E18F, schemaHelper4.unmarshal("9223372036854775807"));
        assertEquals(-9.223372E18F, schemaHelper4.unmarshal("-9223372036854775808"));
        assertEquals(9.223372E18F, schemaHelper4.unmarshal("9223372036854775808"));
        assertEquals(-9.223372E18F, schemaHelper4.unmarshal("-9223372036854775809"));
        try {
            schemaHelper4.unmarshal("\"Hello\"");
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"\"Hello\"\" Avro unmarshalling failed: Expected float. Got VALUE_STRING"));
        }
        try {
            schemaHelper4.unmarshal(null);
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"null\" Avro unmarshalling failed: String to read from cannot be null!"));
        }
    }

    // @Test
    public void testDoubleUnmarshal() {
        final AxContextSchema avroDoubleSchema =
                new AxContextSchema(new AxArtifactKey("AvroDouble", "0.0.1"), "Avro", "{\"type\": \"double\"}");

        schemas.getSchemasMap().put(avroDoubleSchema.getKey(), avroDoubleSchema);
        final SchemaHelper schemaHelper5 =
                new SchemaHelperFactory().createSchemaHelper(testKey, avroDoubleSchema.getKey());

        try {
            schemaHelper5.createNewInstance();
            fail("test should throw an exception here");
        } catch (final Exception e) {
            assertEquals(
                    "AvroTest:0.0.1: could not create an instance of class \"java.lang.Double\" using the default constructor \"Double()\"",
                    e.getMessage());
        }
        assertEquals(1.2345E06, schemaHelper5.createNewInstance("1.2345E06"));

        assertEquals(0.0, schemaHelper5.unmarshal("0"));
        assertEquals(1.0, schemaHelper5.unmarshal("1"));
        assertEquals(-1.0, schemaHelper5.unmarshal("-1"));
        assertEquals(1.23, schemaHelper5.unmarshal("1.23"));
        assertEquals(-1.23, schemaHelper5.unmarshal("-1.23"));
        assertEquals(9.223372036854776E18, schemaHelper5.unmarshal("9223372036854775807"));
        assertEquals(-9.223372036854776E18, schemaHelper5.unmarshal("-9223372036854775808"));
        assertEquals(9.223372036854776E18, schemaHelper5.unmarshal("9223372036854775808"));
        assertEquals(-9.223372036854776E18, schemaHelper5.unmarshal("-9223372036854775809"));
        try {
            schemaHelper5.unmarshal("\"Hello\"");
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"\"Hello\"\" Avro unmarshalling failed: Expected double. Got VALUE_STRING"));
        }
        try {
            schemaHelper5.unmarshal(null);
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"null\" Avro unmarshalling failed: String to read from cannot be null!"));
        }
    }

    @Test
    public void testStringUnmarshal() {
        final AxContextSchema avroStringSchema =
                new AxContextSchema(new AxArtifactKey("AvroString", "0.0.1"), "Avro", "{\"type\": \"string\"}");

        schemas.getSchemasMap().put(avroStringSchema.getKey(), avroStringSchema);
        final SchemaHelper schemaHelper7 =
                new SchemaHelperFactory().createSchemaHelper(testKey, avroStringSchema.getKey());

        assertEquals("", schemaHelper7.createNewInstance(""));
        assertEquals("1.2345E06", schemaHelper7.createNewInstance("1.2345E06"));

        assertEquals("0", schemaHelper7.unmarshal("0"));
        assertEquals("1", schemaHelper7.unmarshal("1"));
        assertEquals("-1", schemaHelper7.unmarshal("-1"));
        assertEquals("1.23", schemaHelper7.unmarshal("1.23"));
        assertEquals("-1.23", schemaHelper7.unmarshal("-1.23"));
        assertEquals("9223372036854775807", schemaHelper7.unmarshal("9223372036854775807"));
        assertEquals("-9223372036854775808", schemaHelper7.unmarshal("-9223372036854775808"));
        assertEquals("9223372036854775808", schemaHelper7.unmarshal("9223372036854775808"));
        assertEquals("-9223372036854775809", schemaHelper7.unmarshal("-9223372036854775809"));
        assertEquals("Hello", schemaHelper7.unmarshal("Hello"));
        assertEquals("Hello", schemaHelper7.unmarshal(new Utf8("Hello")));
        try {
            schemaHelper7.unmarshal(null);
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"null\" Avro unmarshalling failed: String to read from cannot be null!"));
        }
    }

    @Test
    public void testBytesUnmarshal() {
        final AxContextSchema avroSchema =
                new AxContextSchema(new AxArtifactKey("AvroString", "0.0.1"), "Avro", "{\"type\": \"bytes\"}");

        schemas.getSchemasMap().put(avroSchema.getKey(), avroSchema);
        final SchemaHelper schemaHelper = new SchemaHelperFactory().createSchemaHelper(testKey, avroSchema.getKey());

        try {
            schemaHelper.createNewInstance();
            fail("test should throw an exception here");
        } catch (final Exception e) {
            assertEquals(
                    "AvroTest:0.0.1: could not create an instance of class \"java.lang.Byte[]\" using the default constructor \"Byte[]()\"",
                    e.getMessage());
        }
        final byte[] newBytes = (byte[]) schemaHelper.createNewInstance("\"hello\"");
        assertEquals(5, newBytes.length);
        assertEquals(104, newBytes[0]);
        assertEquals(101, newBytes[1]);
        assertEquals(108, newBytes[2]);
        assertEquals(108, newBytes[3]);
        assertEquals(111, newBytes[4]);

        try {
            schemaHelper.unmarshal(null);
            fail("Test should throw an exception here");
        } catch (final Exception e) {
            assertTrue(e.getMessage().equals(
                    "AvroTest:0.0.1: object \"null\" Avro unmarshalling failed: String to read from cannot be null!"));
        }
    }
}