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AVRO-4064: Move relavent unit tests from ipc package to avro package
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lang/java/avro/src/test/java/org/apache/avro/TestCompare.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 | ||
| * | ||
| * https://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 org.apache.avro; | ||
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| import org.junit.jupiter.api.Test; | ||
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| import java.io.ByteArrayOutputStream; | ||
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| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import java.io.IOException; | ||
| import java.nio.ByteBuffer; | ||
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| import org.apache.avro.generic.GenericArray; | ||
| import org.apache.avro.generic.GenericData; | ||
| import org.apache.avro.generic.GenericDatumWriter; | ||
| import org.apache.avro.io.BinaryData; | ||
| import org.apache.avro.io.DatumWriter; | ||
| import org.apache.avro.io.Encoder; | ||
| import org.apache.avro.io.EncoderFactory; | ||
| import org.apache.avro.util.Utf8; | ||
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| public class TestCompare { | ||
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| @Test | ||
| void testNull() throws Exception { | ||
| Schema schema = new Schema.Parser().parse("\"null\""); | ||
| byte[] b = render(null, schema, new GenericDatumWriter<>()); | ||
| assertEquals(0, BinaryData.compare(b, 0, b, 0, schema)); | ||
| } | ||
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| @Test | ||
| void testBoolean() throws Exception { | ||
| check("\"boolean\"", Boolean.FALSE, Boolean.TRUE); | ||
| } | ||
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| @Test | ||
| void string() throws Exception { | ||
| check("\"string\"", new Utf8(""), new Utf8("a")); | ||
| check("\"string\"", new Utf8("a"), new Utf8("b")); | ||
| check("\"string\"", new Utf8("a"), new Utf8("ab")); | ||
| check("\"string\"", new Utf8("ab"), new Utf8("b")); | ||
| } | ||
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| @Test | ||
| void bytes() throws Exception { | ||
| check("\"bytes\"", ByteBuffer.wrap(new byte[] {}), ByteBuffer.wrap(new byte[] { 1 })); | ||
| check("\"bytes\"", ByteBuffer.wrap(new byte[] { 1 }), ByteBuffer.wrap(new byte[] { 2 })); | ||
| check("\"bytes\"", ByteBuffer.wrap(new byte[] { 1, 2 }), ByteBuffer.wrap(new byte[] { 2 })); | ||
| } | ||
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| @Test | ||
| void testInt() throws Exception { | ||
| check("\"int\"", -1, 0); | ||
| check("\"int\"", 0, 1); | ||
| } | ||
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| @Test | ||
| void testLong() throws Exception { | ||
| check("\"long\"", 11L, 12L); | ||
| check("\"long\"", (long) -1, 1L); | ||
| } | ||
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| @Test | ||
| void testFloat() throws Exception { | ||
| check("\"float\"", 1.1f, 1.2f); | ||
| check("\"float\"", (float) -1.1, 1.0f); | ||
| } | ||
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| @Test | ||
| void testDouble() throws Exception { | ||
| check("\"double\"", 1.2, 1.3); | ||
| check("\"double\"", -1.2, 1.3); | ||
| } | ||
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| @Test | ||
| void array() throws Exception { | ||
| String json = "{\"type\":\"array\", \"items\": \"long\"}"; | ||
| Schema schema = new Schema.Parser().parse(json); | ||
| GenericArray<Long> a1 = new GenericData.Array<>(1, schema); | ||
| a1.add(1L); | ||
| GenericArray<Long> a2 = new GenericData.Array<>(1, schema); | ||
| a2.add(1L); | ||
| a2.add(0L); | ||
| check(json, a1, a2); | ||
| } | ||
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| @Test | ||
| void record() throws Exception { | ||
| String fields = " \"fields\":[" + "{\"name\":\"f\",\"type\":\"int\",\"order\":\"ignore\"}," | ||
| + "{\"name\":\"g\",\"type\":\"int\",\"order\":\"descending\"}," + "{\"name\":\"h\",\"type\":\"int\"}]}"; | ||
| String recordJson = "{\"type\":\"record\", \"name\":\"Test\"," + fields; | ||
| Schema schema = new Schema.Parser().parse(recordJson); | ||
| GenericData.Record r1 = new GenericData.Record(schema); | ||
| r1.put("f", 1); | ||
| r1.put("g", 13); | ||
| r1.put("h", 41); | ||
| GenericData.Record r2 = new GenericData.Record(schema); | ||
| r2.put("f", 0); | ||
| r2.put("g", 12); | ||
| r2.put("h", 41); | ||
| check(recordJson, r1, r2); | ||
| r2.put("f", 0); | ||
| r2.put("g", 13); | ||
| r2.put("h", 42); | ||
| check(recordJson, r1, r2); | ||
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| String record2Json = "{\"type\":\"record\", \"name\":\"Test2\"," + fields; | ||
| Schema schema2 = new Schema.Parser().parse(record2Json); | ||
| GenericData.Record r3 = new GenericData.Record(schema2); | ||
| r3.put("f", 1); | ||
| r3.put("g", 13); | ||
| r3.put("h", 41); | ||
| assert (!r1.equals(r3)); // same fields, diff name | ||
| } | ||
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| @Test | ||
| void testEnum() throws Exception { | ||
| String json = "{\"type\":\"enum\", \"name\":\"Test\",\"symbols\": [\"A\", \"B\"]}"; | ||
| Schema schema = new Schema.Parser().parse(json); | ||
| check(json, new GenericData.EnumSymbol(schema, "A"), new GenericData.EnumSymbol(schema, "B")); | ||
| } | ||
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| @Test | ||
| void fixed() throws Exception { | ||
| String json = "{\"type\": \"fixed\", \"name\":\"Test\", \"size\": 1}"; | ||
| Schema schema = new Schema.Parser().parse(json); | ||
| check(json, new GenericData.Fixed(schema, new byte[] { (byte) 'a' }), | ||
| new GenericData.Fixed(schema, new byte[] { (byte) 'b' })); | ||
| } | ||
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| @Test | ||
| void union() throws Exception { | ||
| check("[\"string\", \"long\"]", new Utf8("a"), new Utf8("b"), false); | ||
| check("[\"string\", \"long\"]", 1L, 2L, false); | ||
| check("[\"string\", \"long\"]", new Utf8("a"), 1L, false); | ||
| } | ||
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| private static <T> void check(String schemaJson, T o1, T o2) throws Exception { | ||
| check(schemaJson, o1, o2, true); | ||
| } | ||
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| private static <T> void check(String schemaJson, T o1, T o2, boolean comparable) throws Exception { | ||
| check(new Schema.Parser().parse(schemaJson), o1, o2, comparable, new GenericDatumWriter<>(), GenericData.get()); | ||
| } | ||
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| private static <T> void check(Schema schema, T o1, T o2, boolean comparable, DatumWriter<T> writer, | ||
| GenericData comparator) throws Exception { | ||
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| byte[] b1 = render(o1, schema, writer); | ||
| byte[] b2 = render(o2, schema, writer); | ||
| assertEquals(-1, BinaryData.compare(b1, 0, b2, 0, schema)); | ||
| assertEquals(1, BinaryData.compare(b2, 0, b1, 0, schema)); | ||
| assertEquals(0, BinaryData.compare(b1, 0, b1, 0, schema)); | ||
| assertEquals(0, BinaryData.compare(b2, 0, b2, 0, schema)); | ||
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| assertEquals(-1, compare(o1, o2, schema, comparable, comparator)); | ||
| assertEquals(1, compare(o2, o1, schema, comparable, comparator)); | ||
| assertEquals(0, compare(o1, o1, schema, comparable, comparator)); | ||
| assertEquals(0, compare(o2, o2, schema, comparable, comparator)); | ||
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| assert (o1.equals(o1)); | ||
| assert (o2.equals(o2)); | ||
| assert (!o1.equals(o2)); | ||
| assert (!o2.equals(o1)); | ||
| assert (!o1.equals(new Object())); | ||
| assert (!o2.equals(new Object())); | ||
| assert (!o1.equals(null)); | ||
| assert (!o2.equals(null)); | ||
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| assert (o1.hashCode() != o2.hashCode()); | ||
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| // check BinaryData.hashCode against Object.hashCode | ||
| if (schema.getType() != Schema.Type.ENUM) { | ||
| assertEquals(o1.hashCode(), BinaryData.hashCode(b1, 0, b1.length, schema)); | ||
| assertEquals(o2.hashCode(), BinaryData.hashCode(b2, 0, b2.length, schema)); | ||
| } | ||
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| // check BinaryData.hashCode against GenericData.hashCode | ||
| assertEquals(comparator.hashCode(o1, schema), BinaryData.hashCode(b1, 0, b1.length, schema)); | ||
| assertEquals(comparator.hashCode(o2, schema), BinaryData.hashCode(b2, 0, b2.length, schema)); | ||
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| } | ||
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| @SuppressWarnings(value = "unchecked") | ||
| private static int compare(Object o1, Object o2, Schema schema, boolean comparable, GenericData comparator) { | ||
| return comparable ? ((Comparable<Object>) o1).compareTo(o2) : comparator.compare(o1, o2, schema); | ||
| } | ||
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| private static <T> byte[] render(T datum, Schema schema, DatumWriter<T> writer) throws IOException { | ||
| ByteArrayOutputStream out = new ByteArrayOutputStream(); | ||
| writer.setSchema(schema); | ||
| Encoder enc = new EncoderFactory().directBinaryEncoder(out, null); | ||
| writer.write(datum, enc); | ||
| enc.flush(); | ||
| return out.toByteArray(); | ||
| } | ||
| } |
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