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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/apache/arrow-go/v18/arrow"
"github.com/apache/arrow-go/v18/arrow/array"
"github.com/apache/arrow-go/v18/arrow/extensions"
"github.com/apache/arrow-go/v18/arrow/internal/testing/tools"
"github.com/apache/arrow-go/v18/arrow/memory"
"github.com/stretchr/testify/assert"
)
type testDataType struct {
id arrow.Type
}
func (d *testDataType) ID() arrow.Type { return d.id }
func (d *testDataType) Name() string { panic("implement me") }
func (d *testDataType) BitWidth() int { return 8 }
func (d *testDataType) Bytes() int { return 1 }
func (d *testDataType) Fingerprint() string { return "" }
func (testDataType) Layout() arrow.DataTypeLayout { return arrow.DataTypeLayout{} }
func (testDataType) String() string { return "" }
func TestMakeFromData(t *testing.T) {
tests := []struct {
name string
d arrow.DataType
size int
child []arrow.ArrayData
dict *array.Data
expPanic bool
expError string
}{
// supported types
{name: "null", d: &testDataType{arrow.NULL}},
{name: "bool", d: &testDataType{arrow.BOOL}},
{name: "uint8", d: &testDataType{arrow.UINT8}},
{name: "uint16", d: &testDataType{arrow.UINT16}},
{name: "uint32", d: &testDataType{arrow.UINT32}},
{name: "uint64", d: &testDataType{arrow.UINT64}},
{name: "int8", d: &testDataType{arrow.INT8}},
{name: "int16", d: &testDataType{arrow.INT16}},
{name: "int32", d: &testDataType{arrow.INT32}},
{name: "int64", d: &testDataType{arrow.INT64}},
{name: "float16", d: &testDataType{arrow.FLOAT16}},
{name: "float32", d: &testDataType{arrow.FLOAT32}},
{name: "float64", d: &testDataType{arrow.FLOAT64}},
{name: "string", d: &testDataType{arrow.STRING}, size: 3},
{name: "binary", d: &testDataType{arrow.BINARY}, size: 3},
{name: "large_string", d: &testDataType{arrow.LARGE_STRING}, size: 3},
{name: "large_binary", d: &testDataType{arrow.LARGE_BINARY}, size: 3},
{name: "fixed_size_binary", d: &testDataType{arrow.FIXED_SIZE_BINARY}},
{name: "date32", d: &testDataType{arrow.DATE32}},
{name: "date64", d: &testDataType{arrow.DATE64}},
{name: "timestamp", d: &testDataType{arrow.TIMESTAMP}},
{name: "time32", d: &testDataType{arrow.TIME32}},
{name: "time64", d: &testDataType{arrow.TIME64}},
{name: "month_interval", d: arrow.FixedWidthTypes.MonthInterval},
{name: "day_time_interval", d: arrow.FixedWidthTypes.DayTimeInterval},
{name: "decimal32", d: &testDataType{arrow.DECIMAL32}},
{name: "decimal64", d: &testDataType{arrow.DECIMAL64}},
{name: "decimal128", d: &testDataType{arrow.DECIMAL128}},
{name: "decimal256", d: &testDataType{arrow.DECIMAL256}},
{name: "month_day_nano_interval", d: arrow.FixedWidthTypes.MonthDayNanoInterval},
{name: "list", d: &testDataType{arrow.LIST}, child: []arrow.ArrayData{
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
}},
{name: "large list", d: &testDataType{arrow.LARGE_LIST}, child: []arrow.ArrayData{
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
}},
{name: "struct", d: &testDataType{arrow.STRUCT}},
{name: "struct", d: &testDataType{arrow.STRUCT}, child: []arrow.ArrayData{
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
}},
{name: "fixed_size_list", d: arrow.FixedSizeListOf(4, arrow.PrimitiveTypes.Int64), child: []arrow.ArrayData{
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
}},
{name: "duration", d: &testDataType{arrow.DURATION}},
{name: "map", d: &testDataType{arrow.MAP}, child: []arrow.ArrayData{
array.NewData(&testDataType{arrow.STRUCT}, 0 /* length */, make([]*memory.Buffer, 3 /*null bitmap, values, offsets*/), []arrow.ArrayData{
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
}, 0 /* nulls */, 0 /* offset */)},
},
{name: "sparse union", d: arrow.SparseUnionOf(nil, nil), child: []arrow.ArrayData{}, size: 2},
{name: "dense union", d: arrow.DenseUnionOf(nil, nil), child: []arrow.ArrayData{}, size: 3},
// various dictionary index types and value types
{name: "dictionary", d: &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Int8, ValueType: &testDataType{arrow.INT64}}, dict: array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */)},
{name: "dictionary", d: &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Uint8, ValueType: &testDataType{arrow.INT32}}, dict: array.NewData(&testDataType{arrow.INT32}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */)},
{name: "dictionary", d: &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Int16, ValueType: &testDataType{arrow.UINT16}}, dict: array.NewData(&testDataType{arrow.UINT16}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */)},
{name: "dictionary", d: &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Uint16, ValueType: &testDataType{arrow.INT64}}, dict: array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */)},
{name: "dictionary", d: &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Int32, ValueType: &testDataType{arrow.UINT32}}, dict: array.NewData(&testDataType{arrow.UINT32}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */)},
{name: "dictionary", d: &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Uint32, ValueType: &testDataType{arrow.TIMESTAMP}}, dict: array.NewData(&testDataType{arrow.TIMESTAMP}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */)},
{name: "dictionary", d: &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Int64, ValueType: &testDataType{arrow.UINT32}}, dict: array.NewData(&testDataType{arrow.UINT32}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */)},
{name: "dictionary", d: &arrow.DictionaryType{IndexType: arrow.PrimitiveTypes.Uint64, ValueType: &testDataType{arrow.TIMESTAMP}}, dict: array.NewData(&testDataType{arrow.TIMESTAMP}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */)},
{name: "extension", d: &testDataType{arrow.EXTENSION}, expPanic: true, expError: "arrow/array: DataType for ExtensionArray must implement arrow.ExtensionType"},
{name: "extension", d: extensions.NewUUIDType()},
{name: "run end encoded", d: arrow.RunEndEncodedOf(arrow.PrimitiveTypes.Int64, arrow.PrimitiveTypes.Int64), child: []arrow.ArrayData{
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
array.NewData(&testDataType{arrow.INT64}, 0 /* length */, make([]*memory.Buffer, 2 /*null bitmap, values*/), nil /* childData */, 0 /* nulls */, 0 /* offset */),
}},
// invalid types
{name: "invalid(-1)", d: &testDataType{arrow.Type(-1)}, expPanic: true, expError: "invalid data type: Type(-1)"},
{name: "invalid(63)", d: &testDataType{arrow.Type(63)}, expPanic: true, expError: "invalid data type: Type(63)"},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
var (
b [4]*memory.Buffer
n = 4
data arrow.ArrayData
)
if test.size != 0 {
n = test.size
}
if test.dict != nil {
data = array.NewDataWithDictionary(test.d, 0, b[:n], 0, 0, test.dict)
} else {
data = array.NewData(test.d, 0, b[:n], test.child, 0, 0)
}
if test.expPanic {
assert.PanicsWithValue(t, test.expError, func() {
array.MakeFromData(data)
})
} else {
assert.NotNil(t, array.MakeFromData(data))
}
})
}
}
func bbits(v ...int32) []byte {
return tools.IntsToBitsLSB(v...)
}
func TestArray_NullN(t *testing.T) {
tests := []struct {
name string
l int
bm []byte
n int
exp int
}{
{name: "unknown,l16", l: 16, bm: bbits(0x11001010, 0x00110011), n: array.UnknownNullCount, exp: 8},
{name: "unknown,l12,ignores last nibble", l: 12, bm: bbits(0x11001010, 0x00111111), n: array.UnknownNullCount, exp: 6},
{name: "unknown,l12,12 nulls", l: 12, bm: bbits(0x00000000, 0x00000000), n: array.UnknownNullCount, exp: 12},
{name: "unknown,l12,00 nulls", l: 12, bm: bbits(0x11111111, 0x11111111), n: array.UnknownNullCount, exp: 0},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
buf := memory.NewBufferBytes(test.bm)
data := array.NewData(arrow.FixedWidthTypes.Boolean, test.l, []*memory.Buffer{buf, nil}, nil, test.n, 0)
buf.Release()
ar := array.MakeFromData(data)
data.Release()
got := ar.NullN()
ar.Release()
assert.Equal(t, test.exp, got)
})
}
}
func TestArraySlice(t *testing.T) {
pool := memory.NewCheckedAllocator(memory.NewGoAllocator())
defer pool.AssertSize(t, 0)
var (
valids = []bool{true, true, true, false, true, true}
vs = []float64{1, 2, 3, 0, 4, 5}
)
b := array.NewFloat64Builder(pool)
defer b.Release()
for _, tc := range []struct {
i, j int
panics bool
len int
}{
{i: 0, j: len(valids), panics: false, len: len(valids)},
{i: len(valids), j: len(valids), panics: false, len: 0},
{i: 0, j: 1, panics: false, len: 1},
{i: 1, j: 1, panics: false, len: 0},
{i: 0, j: len(valids) + 1, panics: true},
{i: 2, j: 1, panics: true},
{i: len(valids) + 1, j: len(valids) + 1, panics: true},
} {
t.Run("", func(t *testing.T) {
b.AppendValues(vs, valids)
arr := b.NewFloat64Array()
defer arr.Release()
if got, want := arr.Len(), len(valids); got != want {
t.Fatalf("got=%d, want=%d", got, want)
}
if tc.panics {
defer func() {
e := recover()
if e == nil {
t.Fatalf("this should have panicked, but did not")
}
}()
}
slice := array.NewSlice(arr, int64(tc.i), int64(tc.j)).(*array.Float64)
defer slice.Release()
if got, want := slice.Len(), tc.len; got != want {
t.Fatalf("invalid slice length: got=%d, want=%d", got, want)
}
})
}
}
func TestArraySliceTypes(t *testing.T) {
pool := memory.NewCheckedAllocator(memory.NewGoAllocator())
defer pool.AssertSize(t, 0)
valids := []bool{true, true, true, false, true, true}
for _, tc := range []struct {
values interface{}
builder array.Builder
append func(b array.Builder, vs interface{})
}{
{
values: []bool{true, false, true, false, true, false},
builder: array.NewBooleanBuilder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.BooleanBuilder).AppendValues(vs.([]bool), valids) },
},
{
values: []uint8{1, 2, 3, 0, 4, 5},
builder: array.NewUint8Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Uint8Builder).AppendValues(vs.([]uint8), valids) },
},
{
values: []uint16{1, 2, 3, 0, 4, 5},
builder: array.NewUint16Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Uint16Builder).AppendValues(vs.([]uint16), valids) },
},
{
values: []uint32{1, 2, 3, 0, 4, 5},
builder: array.NewUint32Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Uint32Builder).AppendValues(vs.([]uint32), valids) },
},
{
values: []uint64{1, 2, 3, 0, 4, 5},
builder: array.NewUint64Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Uint64Builder).AppendValues(vs.([]uint64), valids) },
},
{
values: []int8{1, 2, 3, 0, 4, 5},
builder: array.NewInt8Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Int8Builder).AppendValues(vs.([]int8), valids) },
},
{
values: []int16{1, 2, 3, 0, 4, 5},
builder: array.NewInt16Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Int16Builder).AppendValues(vs.([]int16), valids) },
},
{
values: []int32{1, 2, 3, 0, 4, 5},
builder: array.NewInt32Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Int32Builder).AppendValues(vs.([]int32), valids) },
},
{
values: []int64{1, 2, 3, 0, 4, 5},
builder: array.NewInt64Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Int64Builder).AppendValues(vs.([]int64), valids) },
},
{
values: []float32{1, 2, 3, 0, 4, 5},
builder: array.NewFloat32Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Float32Builder).AppendValues(vs.([]float32), valids) },
},
{
values: []float64{1, 2, 3, 0, 4, 5},
builder: array.NewFloat64Builder(pool),
append: func(b array.Builder, vs interface{}) { b.(*array.Float64Builder).AppendValues(vs.([]float64), valids) },
},
} {
t.Run("", func(t *testing.T) {
defer tc.builder.Release()
b := tc.builder
tc.append(b, tc.values)
arr := b.NewArray()
defer arr.Release()
if got, want := arr.Len(), len(valids); got != want {
t.Fatalf("invalid length: got=%d, want=%d", got, want)
}
slice := array.NewSlice(arr, 2, 5)
defer slice.Release()
if got, want := slice.Len(), 3; got != want {
t.Fatalf("invalid slice length: got=%d, want=%d", got, want)
}
shortSlice := array.NewSlice(arr, 2, 3)
defer shortSlice.Release()
sliceOfShortSlice := array.NewSlice(shortSlice, 0, 1)
defer sliceOfShortSlice.Release()
if got, want := sliceOfShortSlice.Len(), 1; got != want {
t.Fatalf("invalid short slice length: got=%d, want=%d", got, want)
}
})
}
}
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