mirror of https://github.com/jackc/pgx.git
96 lines
2.8 KiB
Go
96 lines
2.8 KiB
Go
package pgtype_test
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import (
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"context"
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"fmt"
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"math"
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"reflect"
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"testing"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgtype"
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"github.com/jackc/pgx/v5/pgtype/testutil"
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)
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type PgxTranscodeTestCase struct {
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src interface{}
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dst interface{}
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test func(interface{}) bool
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}
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func isExpectedEq(a interface{}) func(interface{}) bool {
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return func(v interface{}) bool {
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return a == v
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}
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}
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func testPgxCodec(t testing.TB, pgTypeName string, tests []PgxTranscodeTestCase) {
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conn := testutil.MustConnectPgx(t)
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defer testutil.MustCloseContext(t, conn)
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_, err := conn.Prepare(context.Background(), "test", fmt.Sprintf("select $1::%s", pgTypeName))
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if err != nil {
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t.Fatal(err)
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}
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formats := []struct {
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name string
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code int16
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}{
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{name: "TextFormat", code: pgx.TextFormatCode},
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{name: "BinaryFormat", code: pgx.BinaryFormatCode},
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}
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for i, tt := range tests {
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for _, format := range formats {
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err := conn.QueryRow(context.Background(), "test", pgx.QueryResultFormats{format.code}, tt.src).Scan(tt.dst)
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if err != nil {
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t.Errorf("%s %d: %v", format.name, i, err)
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}
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dst := reflect.ValueOf(tt.dst)
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if dst.Kind() == reflect.Ptr {
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dst = dst.Elem()
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}
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if !tt.test(dst.Interface()) {
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t.Errorf("%s %d: unexpected result for %v: %v", format.name, i, tt.src, dst.Interface())
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}
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}
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}
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}
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func TestInt2Codec(t *testing.T) {
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testPgxCodec(t, "int2", []PgxTranscodeTestCase{
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{int8(1), new(int16), isExpectedEq(int16(1))},
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{int16(1), new(int16), isExpectedEq(int16(1))},
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{int32(1), new(int16), isExpectedEq(int16(1))},
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{int64(1), new(int16), isExpectedEq(int16(1))},
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{uint8(1), new(int16), isExpectedEq(int16(1))},
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{uint16(1), new(int16), isExpectedEq(int16(1))},
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{uint32(1), new(int16), isExpectedEq(int16(1))},
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{uint64(1), new(int16), isExpectedEq(int16(1))},
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{int(1), new(int16), isExpectedEq(int16(1))},
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{uint(1), new(int16), isExpectedEq(int16(1))},
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{pgtype.Int2{Int: 1, Valid: true}, new(int16), isExpectedEq(int16(1))},
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{1, new(int8), isExpectedEq(int8(1))},
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{1, new(int16), isExpectedEq(int16(1))},
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{1, new(int32), isExpectedEq(int32(1))},
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{1, new(int64), isExpectedEq(int64(1))},
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{1, new(uint8), isExpectedEq(uint8(1))},
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{1, new(uint16), isExpectedEq(uint16(1))},
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{1, new(uint32), isExpectedEq(uint32(1))},
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{1, new(uint64), isExpectedEq(uint64(1))},
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{1, new(int), isExpectedEq(int(1))},
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{1, new(uint), isExpectedEq(uint(1))},
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{math.MinInt16, new(int16), isExpectedEq(int16(math.MinInt16))},
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{-1, new(int16), isExpectedEq(int16(-1))},
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{0, new(int16), isExpectedEq(int16(0))},
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{1, new(int16), isExpectedEq(int16(1))},
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{math.MaxInt16, new(int16), isExpectedEq(int16(math.MaxInt16))},
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{1, new(pgtype.Int2), isExpectedEq(pgtype.Int2{Int: 1, Valid: true})},
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{pgtype.Int2{}, new(pgtype.Int2), isExpectedEq(pgtype.Int2{})},
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{nil, new(*int16), isExpectedEq((*int16)(nil))},
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})
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}
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