pgx/numeric_array_test.go

306 lines
9.8 KiB
Go

package pgtype_test
import (
"math"
"math/big"
"reflect"
"testing"
"github.com/jackc/pgtype"
"github.com/jackc/pgtype/testutil"
)
func TestNumericArrayTranscode(t *testing.T) {
testutil.TestSuccessfulTranscode(t, "numeric[]", []interface{}{
&pgtype.NumericArray{
Elements: nil,
Dimensions: nil,
Status: pgtype.Present,
},
&pgtype.NumericArray{
Elements: []pgtype.Numeric{
{Int: big.NewInt(1), Status: pgtype.Present},
{Status: pgtype.Null},
},
Dimensions: []pgtype.ArrayDimension{{Length: 2, LowerBound: 1}},
Status: pgtype.Present,
},
&pgtype.NumericArray{Status: pgtype.Null},
&pgtype.NumericArray{
Elements: []pgtype.Numeric{
{Int: big.NewInt(1), Status: pgtype.Present},
{Int: big.NewInt(2), Status: pgtype.Present},
{Int: big.NewInt(3), Status: pgtype.Present},
{Int: big.NewInt(4), Status: pgtype.Present},
{Status: pgtype.Null},
{Int: big.NewInt(6), Status: pgtype.Present},
},
Dimensions: []pgtype.ArrayDimension{{Length: 3, LowerBound: 1}, {Length: 2, LowerBound: 1}},
Status: pgtype.Present,
},
&pgtype.NumericArray{
Elements: []pgtype.Numeric{
{Int: big.NewInt(1), Status: pgtype.Present},
{Int: big.NewInt(2), Status: pgtype.Present},
{Int: big.NewInt(3), Status: pgtype.Present},
{Int: big.NewInt(4), Status: pgtype.Present},
},
Dimensions: []pgtype.ArrayDimension{
{Length: 2, LowerBound: 4},
{Length: 2, LowerBound: 2},
},
Status: pgtype.Present,
},
})
}
func TestNumericArraySet(t *testing.T) {
successfulTests := []struct {
source interface{}
result pgtype.NumericArray
}{
{
source: []float32{1},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []float32{float32(math.Copysign(0, -1))},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(0), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []float64{1},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []float64{math.Copysign(0, -1)},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(0), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: (([]float32)(nil)),
result: pgtype.NumericArray{Status: pgtype.Null},
},
{
source: [][]float32{{1}, {2}},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}, {Int: big.NewInt(2), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: [][][][]float32{{{{1, 2, 3}}}, {{{4, 5, 6}}}},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{
{Int: big.NewInt(1), Status: pgtype.Present},
{Int: big.NewInt(2), Status: pgtype.Present},
{Int: big.NewInt(3), Status: pgtype.Present},
{Int: big.NewInt(4), Status: pgtype.Present},
{Int: big.NewInt(5), Status: pgtype.Present},
{Int: big.NewInt(6), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{
{LowerBound: 1, Length: 2},
{LowerBound: 1, Length: 1},
{LowerBound: 1, Length: 1},
{LowerBound: 1, Length: 3}},
Status: pgtype.Present},
},
{
source: [2][1]float32{{1}, {2}},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}, {Int: big.NewInt(2), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: [2][1][1][3]float32{{{{1, 2, 3}}}, {{{4, 5, 6}}}},
result: pgtype.NumericArray{
Elements: []pgtype.Numeric{
{Int: big.NewInt(1), Status: pgtype.Present},
{Int: big.NewInt(2), Status: pgtype.Present},
{Int: big.NewInt(3), Status: pgtype.Present},
{Int: big.NewInt(4), Status: pgtype.Present},
{Int: big.NewInt(5), Status: pgtype.Present},
{Int: big.NewInt(6), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{
{LowerBound: 1, Length: 2},
{LowerBound: 1, Length: 1},
{LowerBound: 1, Length: 1},
{LowerBound: 1, Length: 3}},
Status: pgtype.Present},
},
}
for i, tt := range successfulTests {
var r pgtype.NumericArray
err := r.Set(tt.source)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if !reflect.DeepEqual(r, tt.result) {
t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
}
}
}
func TestNumericArrayAssignTo(t *testing.T) {
var float32Slice []float32
var float64Slice []float64
var float32SliceDim2 [][]float32
var float32SliceDim4 [][][][]float32
var float32ArrayDim2 [2][1]float32
var float32ArrayDim4 [2][1][1][3]float32
simpleTests := []struct {
src pgtype.NumericArray
dst interface{}
expected interface{}
}{
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &float32Slice,
expected: []float32{1},
},
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &float64Slice,
expected: []float64{1},
},
{
src: pgtype.NumericArray{Status: pgtype.Null},
dst: &float32Slice,
expected: (([]float32)(nil)),
},
{
src: pgtype.NumericArray{Status: pgtype.Present},
dst: &float32Slice,
expected: []float32{},
},
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}, {Int: big.NewInt(2), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
dst: &float32SliceDim2,
expected: [][]float32{{1}, {2}},
},
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{
{Int: big.NewInt(1), Status: pgtype.Present},
{Int: big.NewInt(2), Status: pgtype.Present},
{Int: big.NewInt(3), Status: pgtype.Present},
{Int: big.NewInt(4), Status: pgtype.Present},
{Int: big.NewInt(5), Status: pgtype.Present},
{Int: big.NewInt(6), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{
{LowerBound: 1, Length: 2},
{LowerBound: 1, Length: 1},
{LowerBound: 1, Length: 1},
{LowerBound: 1, Length: 3}},
Status: pgtype.Present},
dst: &float32SliceDim4,
expected: [][][][]float32{{{{1, 2, 3}}}, {{{4, 5, 6}}}},
},
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}, {Int: big.NewInt(2), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
dst: &float32ArrayDim2,
expected: [2][1]float32{{1}, {2}},
},
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{
{Int: big.NewInt(1), Status: pgtype.Present},
{Int: big.NewInt(2), Status: pgtype.Present},
{Int: big.NewInt(3), Status: pgtype.Present},
{Int: big.NewInt(4), Status: pgtype.Present},
{Int: big.NewInt(5), Status: pgtype.Present},
{Int: big.NewInt(6), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{
{LowerBound: 1, Length: 2},
{LowerBound: 1, Length: 1},
{LowerBound: 1, Length: 1},
{LowerBound: 1, Length: 3}},
Status: pgtype.Present},
dst: &float32ArrayDim4,
expected: [2][1][1][3]float32{{{{1, 2, 3}}}, {{{4, 5, 6}}}},
},
}
for i, tt := range simpleTests {
err := tt.src.AssignTo(tt.dst)
if err != nil {
t.Errorf("%d: %v", i, err)
}
if dst := reflect.ValueOf(tt.dst).Elem().Interface(); !reflect.DeepEqual(dst, tt.expected) {
t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
}
}
errorTests := []struct {
src pgtype.NumericArray
dst interface{}
}{
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Status: pgtype.Null}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &float32Slice,
},
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}, {Int: big.NewInt(2), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}, {LowerBound: 1, Length: 2}},
Status: pgtype.Present},
dst: &float32ArrayDim2,
},
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}, {Int: big.NewInt(2), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}, {LowerBound: 1, Length: 2}},
Status: pgtype.Present},
dst: &float32Slice,
},
{
src: pgtype.NumericArray{
Elements: []pgtype.Numeric{{Int: big.NewInt(1), Status: pgtype.Present}, {Int: big.NewInt(2), Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
dst: &float32ArrayDim4,
},
}
for i, tt := range errorTests {
err := tt.src.AssignTo(tt.dst)
if err == nil {
t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
}
}
}