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pgx/int4_array_test.go

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package pgtype_test
import (
"math"
"reflect"
"testing"
"github.com/jackc/pgtype"
"github.com/jackc/pgtype/testutil"
)
func TestInt4ArrayTranscode(t *testing.T) {
testutil.TestSuccessfulTranscode(t, "int4[]", []interface{}{
&pgtype.Int4Array{
Elements: nil,
Dimensions: nil,
Status: pgtype.Present,
},
&pgtype.Int4Array{
Elements: []pgtype.Int4{
{Int: 1, Status: pgtype.Present},
{Status: pgtype.Null},
},
Dimensions: []pgtype.ArrayDimension{{Length: 2, LowerBound: 1}},
Status: pgtype.Present,
},
&pgtype.Int4Array{Status: pgtype.Null},
&pgtype.Int4Array{
Elements: []pgtype.Int4{
{Int: 1, Status: pgtype.Present},
{Int: 2, Status: pgtype.Present},
{Int: 3, Status: pgtype.Present},
{Int: 4, Status: pgtype.Present},
{Status: pgtype.Null},
{Int: 6, Status: pgtype.Present},
},
Dimensions: []pgtype.ArrayDimension{{Length: 3, LowerBound: 1}, {Length: 2, LowerBound: 1}},
Status: pgtype.Present,
},
&pgtype.Int4Array{
Elements: []pgtype.Int4{
{Int: 1, Status: pgtype.Present},
{Int: 2, Status: pgtype.Present},
{Int: 3, Status: pgtype.Present},
{Int: 4, Status: pgtype.Present},
},
Dimensions: []pgtype.ArrayDimension{
{Length: 2, LowerBound: 4},
{Length: 2, LowerBound: 2},
},
Status: pgtype.Present,
},
})
}
func TestInt4ArraySet(t *testing.T) {
successfulTests := []struct {
source interface{}
result pgtype.Int4Array
expectedError bool
}{
{
source: []int64{1},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []int32{1},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []int16{1},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []int{1},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []int{1, math.MaxInt32 + 1, 2},
expectedError: true,
},
{
source: []uint64{1},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []uint32{1},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []uint16{1},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: (([]int32)(nil)),
result: pgtype.Int4Array{Status: pgtype.Null},
},
{
source: [][]int32{{1}, {2}},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}, {Int: 2, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: [][][][]int32{{{{1, 2, 3}}}, {{{4, 5, 6}}}},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{
{Int: 1, Status: pgtype.Present},
{Int: 2, Status: pgtype.Present},
{Int: 3, Status: pgtype.Present},
{Int: 4, Status: pgtype.Present},
{Int: 5, Status: pgtype.Present},
{Int: 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]int32{{1}, {2}},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}, {Int: 2, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: [2][1][1][3]int32{{{{1, 2, 3}}}, {{{4, 5, 6}}}},
result: pgtype.Int4Array{
Elements: []pgtype.Int4{
{Int: 1, Status: pgtype.Present},
{Int: 2, Status: pgtype.Present},
{Int: 3, Status: pgtype.Present},
{Int: 4, Status: pgtype.Present},
{Int: 5, Status: pgtype.Present},
{Int: 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.Int4Array
err := r.Set(tt.source)
if err != nil {
if tt.expectedError {
continue
}
t.Errorf("%d: %v", i, err)
}
if tt.expectedError {
t.Errorf("%d: an error was expected, %v", i, tt)
continue
}
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 TestInt4ArrayAssignTo(t *testing.T) {
var int32Slice []int32
var uint32Slice []uint32
var namedInt32Slice _int32Slice
var int32SliceDim2 [][]int32
var int32SliceDim4 [][][][]int32
var int32ArrayDim2 [2][1]int32
var int32ArrayDim4 [2][1][1][3]int32
simpleTests := []struct {
src pgtype.Int4Array
dst interface{}
expected interface{}
}{
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &int32Slice,
expected: []int32{1},
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &uint32Slice,
expected: []uint32{1},
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &namedInt32Slice,
expected: _int32Slice{1},
},
{
src: pgtype.Int4Array{Status: pgtype.Null},
dst: &int32Slice,
expected: (([]int32)(nil)),
},
{
src: pgtype.Int4Array{Status: pgtype.Present},
dst: &int32Slice,
expected: []int32{},
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}, {Int: 2, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
expected: [][]int32{{1}, {2}},
dst: &int32SliceDim2,
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{
{Int: 1, Status: pgtype.Present},
{Int: 2, Status: pgtype.Present},
{Int: 3, Status: pgtype.Present},
{Int: 4, Status: pgtype.Present},
{Int: 5, Status: pgtype.Present},
{Int: 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},
expected: [][][][]int32{{{{1, 2, 3}}}, {{{4, 5, 6}}}},
dst: &int32SliceDim4,
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}, {Int: 2, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
expected: [2][1]int32{{1}, {2}},
dst: &int32ArrayDim2,
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{
{Int: 1, Status: pgtype.Present},
{Int: 2, Status: pgtype.Present},
{Int: 3, Status: pgtype.Present},
{Int: 4, Status: pgtype.Present},
{Int: 5, Status: pgtype.Present},
{Int: 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},
expected: [2][1][1][3]int32{{{{1, 2, 3}}}, {{{4, 5, 6}}}},
dst: &int32ArrayDim4,
},
}
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.Int4Array
dst interface{}
}{
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Status: pgtype.Null}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &int32Slice,
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: -1, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &uint32Slice,
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}, {Int: 2, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}, {LowerBound: 1, Length: 2}},
Status: pgtype.Present},
dst: &int32ArrayDim2,
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}, {Int: 2, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}, {LowerBound: 1, Length: 2}},
Status: pgtype.Present},
dst: &int32Slice,
},
{
src: pgtype.Int4Array{
Elements: []pgtype.Int4{{Int: 1, Status: pgtype.Present}, {Int: 2, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 2}, {LowerBound: 1, Length: 1}},
Status: pgtype.Present},
dst: &int32ArrayDim4,
},
}
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)
}
}
}
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