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// Copyright [2019] LinkedIn Corp. 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.
package goavro
import (
"bytes"
"fmt"
"math"
"testing"
)
var morePositiveThanMaxBlockCount, morePositiveThanMaxBlockSize, moreNegativeThanMaxBlockCount, mostNegativeBlockCount []byte
func init() {
c, err := NewCodec(`"long"`)
if err != nil {
panic(err)
}
morePositiveThanMaxBlockCount, err = c.BinaryFromNative(nil, (MaxBlockCount + 1))
if err != nil {
panic(err)
}
morePositiveThanMaxBlockSize, err = c.BinaryFromNative(nil, (MaxBlockSize + 1))
if err != nil {
panic(err)
}
moreNegativeThanMaxBlockCount, err = c.BinaryFromNative(nil, -(MaxBlockCount + 1))
if err != nil {
panic(err)
}
mostNegativeBlockCount, err = c.BinaryFromNative(nil, int64(math.MinInt64))
if err != nil {
panic(err)
}
}
func testBinaryDecodeFail(t *testing.T, schema string, buf []byte, errorMessage string) {
t.Helper()
c, err := NewCodec(schema)
if err != nil {
t.Fatal(err)
}
value, newBuffer, err := c.NativeFromBinary(buf)
ensureError(t, err, errorMessage)
if value != nil {
t.Errorf("GOT: %v; WANT: %v", value, nil)
}
if !bytes.Equal(buf, newBuffer) {
t.Errorf("GOT: %v; WANT: %v", newBuffer, buf)
}
}
func testBinaryEncodeFail(t *testing.T, schema string, datum interface{}, errorMessage string) {
t.Helper()
c, err := NewCodec(schema)
if err != nil {
t.Fatal(err)
}
buf, err := c.BinaryFromNative(nil, datum)
ensureError(t, err, errorMessage)
if buf != nil {
t.Errorf("GOT: %v; WANT: %v", buf, nil)
}
}
func testBinaryEncodeFailBadDatumType(t *testing.T, schema string, datum interface{}) {
t.Helper()
testBinaryEncodeFail(t, schema, datum, "received: ")
}
func testBinaryDecodeFailShortBuffer(t *testing.T, schema string, buf []byte) {
t.Helper()
testBinaryDecodeFail(t, schema, buf, "short buffer")
}
func testBinaryDecodePass(t *testing.T, schema string, datum interface{}, encoded []byte) {
t.Helper()
codec, err := NewCodec(schema)
if err != nil {
t.Fatal(err)
}
value, remaining, err := codec.NativeFromBinary(encoded)
if err != nil {
t.Fatalf("schema: %s; %s", schema, err)
}
// remaining ought to be empty because there is nothing remaining to be
// decoded
if actual, expected := len(remaining), 0; actual != expected {
t.Errorf("schema: %s; Datum: %v; Actual: %#v; Expected: %#v", schema, datum, actual, expected)
}
// for testing purposes, to prevent big switch statement, convert each to
// string and compare.
if actual, expected := fmt.Sprintf("%v", value), fmt.Sprintf("%v", datum); actual != expected {
t.Errorf("schema: %s; Datum: %v; Actual: %#v; Expected: %#v", schema, datum, actual, expected)
}
}
func testBinaryEncodePass(t *testing.T, schema string, datum interface{}, expected []byte) {
t.Helper()
codec, err := NewCodec(schema)
if err != nil {
t.Fatalf("Schma: %q %s", schema, err)
}
actual, err := codec.BinaryFromNative(nil, datum)
if err != nil {
t.Fatalf("schema: %s; Datum: %v; %s", schema, datum, err)
}
if !bytes.Equal(actual, expected) {
t.Errorf("schema: %s; Datum: %v; Actual: %#v; Expected: %#v", schema, datum, actual, expected)
}
}
// testBinaryCodecPass does a bi-directional codec check, by encoding datum to
// bytes, then decoding bytes back to datum.
func testBinaryCodecPass(t *testing.T, schema string, datum interface{}, buf []byte) {
t.Helper()
testBinaryDecodePass(t, schema, datum, buf)
testBinaryEncodePass(t, schema, datum, buf)
}
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