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Copy pathfixedsize_binary_test.go
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111 lines (90 loc) · 2.93 KB
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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
//
// 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 array_test
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/apache/arrow/go/v12/arrow"
"github.com/apache/arrow/go/v12/arrow/array"
"github.com/apache/arrow/go/v12/arrow/memory"
)
func TestFixedSizeBinary(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.NewGoAllocator())
defer mem.AssertSize(t, 0)
dtype := arrow.FixedSizeBinaryType{ByteWidth: 7}
b := array.NewFixedSizeBinaryBuilder(mem, &dtype)
zero := make([]byte, dtype.ByteWidth)
values := [][]byte{
[]byte("7654321"),
nil,
[]byte("AZERTYU"),
}
valid := []bool{true, false, true}
b.AppendValues(values, valid)
b.Retain()
b.Release()
a := b.NewFixedSizeBinaryArray()
assert.Equal(t, 3, a.Len())
assert.Equal(t, 1, a.NullN())
assert.Equal(t, []byte("7654321"), a.Value(0))
assert.Equal(t, zero, a.Value(1))
assert.Equal(t, true, a.IsNull(1))
assert.Equal(t, false, a.IsValid(1))
assert.Equal(t, []byte("AZERTYU"), a.Value(2))
a.Release()
// Test builder reset and NewArray API.
b.AppendValues(values, valid)
a = b.NewArray().(*array.FixedSizeBinary)
assert.Equal(t, 3, a.Len())
assert.Equal(t, 1, a.NullN())
assert.Equal(t, []byte("7654321"), a.Value(0))
assert.Equal(t, zero, a.Value(1))
assert.Equal(t, []byte("AZERTYU"), a.Value(2))
a.Release()
b.Release()
}
func TestFixedSizeBinarySlice(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.NewGoAllocator())
defer mem.AssertSize(t, 0)
dtype := &arrow.FixedSizeBinaryType{ByteWidth: 4}
b := array.NewFixedSizeBinaryBuilder(mem, dtype)
defer b.Release()
var data = [][]byte{
[]byte("ABCD"),
[]byte("1234"),
nil,
[]byte("AZER"),
}
b.AppendValues(data[:2], nil)
b.AppendNull()
b.Append(data[3])
arr := b.NewFixedSizeBinaryArray()
defer arr.Release()
slice := array.NewSliceData(arr.Data(), 2, 4)
defer slice.Release()
sub1 := array.MakeFromData(slice)
defer sub1.Release()
v, ok := sub1.(*array.FixedSizeBinary)
if !ok {
t.Fatalf("could not type-assert to array.String")
}
if got, want := v.String(), `[(null) "AZER"]`; got != want {
t.Fatalf("got=%q, want=%q", got, want)
}
if got, want := v.NullN(), 1; got != want {
t.Fatalf("got=%q, want=%q", got, want)
}
}