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Add UUIDArray type

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Also change UUID.Set() to convert nil to NULL in order for
UUIDArray.Set() to support converting [][]byte slices that contain nil.
This commit is contained in:
Kelsey Francis
2017-08-27 19:31:22 -07:00
parent 9ee71598ee
commit 2dfcf74f62
5 changed files with 583 additions and 4 deletions
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uuid_array_test.go
+205
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@@ -0,0 +1,205 @@
package pgtype_test
import (
"reflect"
"testing"
"github.com/jackc/pgx/pgtype"
"github.com/jackc/pgx/pgtype/testutil"
)
func TestUUIDArrayTranscode(t *testing.T) {
testutil.TestSuccessfulTranscode(t, "uuid[]", []interface{}{
&pgtype.UUIDArray{
Elements: nil,
Dimensions: nil,
Status: pgtype.Present,
},
&pgtype.UUIDArray{
Elements: []pgtype.UUID{
{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present},
{Status: pgtype.Null},
},
Dimensions: []pgtype.ArrayDimension{{Length: 2, LowerBound: 1}},
Status: pgtype.Present,
},
&pgtype.UUIDArray{Status: pgtype.Null},
&pgtype.UUIDArray{
Elements: []pgtype.UUID{
{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present},
{Bytes: [16]byte{16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}, Status: pgtype.Present},
{Bytes: [16]byte{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47}, Status: pgtype.Present},
{Bytes: [16]byte{48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63}, Status: pgtype.Present},
{Status: pgtype.Null},
{Bytes: [16]byte{64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79}, Status: pgtype.Present},
},
Dimensions: []pgtype.ArrayDimension{{Length: 3, LowerBound: 1}, {Length: 2, LowerBound: 1}},
Status: pgtype.Present,
},
&pgtype.UUIDArray{
Elements: []pgtype.UUID{
{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present},
{Bytes: [16]byte{16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}, Status: pgtype.Present},
{Bytes: [16]byte{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47}, Status: pgtype.Present},
{Bytes: [16]byte{48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63}, Status: pgtype.Present},
},
Dimensions: []pgtype.ArrayDimension{
{Length: 2, LowerBound: 4},
{Length: 2, LowerBound: 2},
},
Status: pgtype.Present,
},
})
}
func TestUUIDArraySet(t *testing.T) {
successfulTests := []struct {
source interface{}
result pgtype.UUIDArray
}{
{
source: nil,
result: pgtype.UUIDArray{Status: pgtype.Null},
},
{
source: [][16]byte{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}},
result: pgtype.UUIDArray{
Elements: []pgtype.UUID{{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: [][16]byte{},
result: pgtype.UUIDArray{Status: pgtype.Present},
},
{
source: ([][16]byte)(nil),
result: pgtype.UUIDArray{Status: pgtype.Null},
},
{
source: [][]byte{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}},
result: pgtype.UUIDArray{
Elements: []pgtype.UUID{{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: [][]byte{
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},
{16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31},
nil,
{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47},
},
result: pgtype.UUIDArray{
Elements: []pgtype.UUID{
{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present},
{Bytes: [16]byte{16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}, Status: pgtype.Present},
{Status: pgtype.Null},
{Bytes: [16]byte{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47}, Status: pgtype.Present},
},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 4}},
Status: pgtype.Present},
},
{
source: [][]byte{},
result: pgtype.UUIDArray{Status: pgtype.Present},
},
{
source: ([][]byte)(nil),
result: pgtype.UUIDArray{Status: pgtype.Null},
},
{
source: []string{"00010203-0405-0607-0809-0a0b0c0d0e0f"},
result: pgtype.UUIDArray{
Elements: []pgtype.UUID{{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present},
},
{
source: []string{},
result: pgtype.UUIDArray{Status: pgtype.Present},
},
{
source: ([]string)(nil),
result: pgtype.UUIDArray{Status: pgtype.Null},
},
}
for i, tt := range successfulTests {
var r pgtype.UUIDArray
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 TestUUIDArrayAssignTo(t *testing.T) {
var byteArraySlice [][16]byte
var byteSliceSlice [][]byte
var stringSlice []string
simpleTests := []struct {
src pgtype.UUIDArray
dst interface{}
expected interface{}
}{
{
src: pgtype.UUIDArray{
Elements: []pgtype.UUID{{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &byteArraySlice,
expected: [][16]byte{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}},
},
{
src: pgtype.UUIDArray{Status: pgtype.Null},
dst: &byteArraySlice,
expected: ([][16]byte)(nil),
},
{
src: pgtype.UUIDArray{
Elements: []pgtype.UUID{{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &byteSliceSlice,
expected: [][]byte{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}},
},
{
src: pgtype.UUIDArray{Status: pgtype.Null},
dst: &byteSliceSlice,
expected: ([][]byte)(nil),
},
{
src: pgtype.UUIDArray{
Elements: []pgtype.UUID{{Bytes: [16]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}, Status: pgtype.Present}},
Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
Status: pgtype.Present,
},
dst: &stringSlice,
expected: []string{"00010203-0405-0607-0809-0a0b0c0d0e0f"},
},
{
src: pgtype.UUIDArray{Status: pgtype.Null},
dst: &stringSlice,
expected: ([]string)(nil),
},
}
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)
}
}
}