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package pgtype_test
import (
"reflect"
"testing"
"github.com/jackc/pgtype"
"github.com/stretchr/testify/require"
)
func TestParseUntypedTextArray(t *testing.T) {
tests := []struct {
source string
result pgtype.UntypedTextArray
}{
{
source: "{}",
result: pgtype.UntypedTextArray{
Elements: nil,
Quoted: nil,
Dimensions: nil,
},
},
{
source: "{1}",
result: pgtype.UntypedTextArray{
Elements: []string{"1"},
Quoted: []bool{false},
Dimensions: []pgtype.ArrayDimension{{Length: 1, LowerBound: 1}},
},
},
{
source: "{a,b}",
result: pgtype.UntypedTextArray{
Elements: []string{"a", "b"},
Quoted: []bool{false, false},
Dimensions: []pgtype.ArrayDimension{{Length: 2, LowerBound: 1}},
},
},
{
source: `{"NULL"}`,
result: pgtype.UntypedTextArray{
Elements: []string{"NULL"},
Quoted: []bool{true},
Dimensions: []pgtype.ArrayDimension{{Length: 1, LowerBound: 1}},
},
},
{
source: `{""}`,
result: pgtype.UntypedTextArray{
Elements: []string{""},
Quoted: []bool{true},
Dimensions: []pgtype.ArrayDimension{{Length: 1, LowerBound: 1}},
},
},
{
source: `{"He said, \"Hello.\""}`,
result: pgtype.UntypedTextArray{
Elements: []string{`He said, "Hello."`},
Quoted: []bool{true},
Dimensions: []pgtype.ArrayDimension{{Length: 1, LowerBound: 1}},
},
},
{
source: "{{a,b},{c,d},{e,f}}",
result: pgtype.UntypedTextArray{
Elements: []string{"a", "b", "c", "d", "e", "f"},
Quoted: []bool{false, false, false, false, false, false},
Dimensions: []pgtype.ArrayDimension{{Length: 3, LowerBound: 1}, {Length: 2, LowerBound: 1}},
},
},
{
source: "{{{a,b},{c,d},{e,f}},{{a,b},{c,d},{e,f}}}",
result: pgtype.UntypedTextArray{
Elements: []string{"a", "b", "c", "d", "e", "f", "a", "b", "c", "d", "e", "f"},
Quoted: []bool{false, false, false, false, false, false, false, false, false, false, false, false},
Dimensions: []pgtype.ArrayDimension{
{Length: 2, LowerBound: 1},
{Length: 3, LowerBound: 1},
{Length: 2, LowerBound: 1},
},
},
},
{
source: "[4:4]={1}",
result: pgtype.UntypedTextArray{
Elements: []string{"1"},
Quoted: []bool{false},
Dimensions: []pgtype.ArrayDimension{{Length: 1, LowerBound: 4}},
},
},
{
source: "[4:5][2:3]={{a,b},{c,d}}",
result: pgtype.UntypedTextArray{
Elements: []string{"a", "b", "c", "d"},
Quoted: []bool{false, false, false, false},
Dimensions: []pgtype.ArrayDimension{
{Length: 2, LowerBound: 4},
{Length: 2, LowerBound: 2},
},
},
},
{
source: "[-4:-2]={1,2,3}",
result: pgtype.UntypedTextArray{
Elements: []string{"1", "2", "3"},
Quoted: []bool{false, false, false},
Dimensions: []pgtype.ArrayDimension{{Length: 3, LowerBound: -4}},
},
},
}
for i, tt := range tests {
r, err := pgtype.ParseUntypedTextArray(tt.source)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
if !reflect.DeepEqual(*r, tt.result) {
t.Errorf("%d: expected %+v to be parsed to %+v, but it was %+v", i, tt.source, tt.result, *r)
}
}
}
// https://github.com/jackc/pgx/issues/881
func TestArrayAssignToEmptyToNonSlice(t *testing.T) {
var a pgtype.Int4Array
err := a.Set([]int32{})
require.NoError(t, err)
var iface interface{}
err = a.AssignTo(&iface)
require.EqualError(t, err, "cannot assign *pgtype.Int4Array to *interface {}")
}
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