mirror of https://github.com/jackc/pgx.git
293 lines
7.3 KiB
Go
293 lines
7.3 KiB
Go
package pgtype_test
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import (
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"bytes"
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"errors"
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"net"
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"testing"
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"github.com/jackc/pgtype"
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"github.com/jackc/pgx/v4"
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_ "github.com/jackc/pgx/v4/stdlib"
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_ "github.com/lib/pq"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// Test for renamed types
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type _string string
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type _bool bool
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type _int8 int8
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type _int16 int16
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type _int16Slice []int16
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type _int32Slice []int32
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type _int64Slice []int64
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type _float32Slice []float32
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type _float64Slice []float64
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type _byteSlice []byte
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func mustParseCIDR(t testing.TB, s string) *net.IPNet {
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_, ipnet, err := net.ParseCIDR(s)
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if err != nil {
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t.Fatal(err)
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}
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return ipnet
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}
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func mustParseInet(t testing.TB, s string) *net.IPNet {
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ip, ipnet, err := net.ParseCIDR(s)
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if err != nil {
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t.Fatal(err)
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}
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if ipv4 := ip.To4(); ipv4 != nil {
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ip = ipv4
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}
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ipnet.IP = ip
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return ipnet
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}
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func mustParseMacaddr(t testing.TB, s string) net.HardwareAddr {
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addr, err := net.ParseMAC(s)
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if err != nil {
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t.Fatal(err)
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}
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return addr
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}
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func TestConnInfoResultFormatCodeForOID(t *testing.T) {
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ci := pgtype.NewConnInfo()
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// pgtype.JSONB implements BinaryDecoder but also implements ResultFormatPreferrer to override it to text.
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assert.Equal(t, int16(pgtype.TextFormatCode), ci.ResultFormatCodeForOID(pgtype.JSONBOID))
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// pgtype.Int4 implements BinaryDecoder but does not implement ResultFormatPreferrer so it should be binary.
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assert.Equal(t, int16(pgtype.BinaryFormatCode), ci.ResultFormatCodeForOID(pgtype.Int4OID))
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}
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func TestConnInfoParamFormatCodeForOID(t *testing.T) {
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ci := pgtype.NewConnInfo()
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// pgtype.JSONB implements BinaryEncoder but also implements ParamFormatPreferrer to override it to text.
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assert.Equal(t, int16(pgtype.TextFormatCode), ci.ParamFormatCodeForOID(pgtype.JSONBOID))
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// pgtype.Int4 implements BinaryEncoder but does not implement ParamFormatPreferrer so it should be binary.
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assert.Equal(t, int16(pgtype.BinaryFormatCode), ci.ParamFormatCodeForOID(pgtype.Int4OID))
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}
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func TestConnInfoScanNilIsNoOp(t *testing.T) {
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ci := pgtype.NewConnInfo()
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err := ci.Scan(pgtype.TextOID, pgx.TextFormatCode, []byte("foo"), nil)
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assert.NoError(t, err)
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}
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func TestConnInfoScanTextFormatInterfacePtr(t *testing.T) {
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ci := pgtype.NewConnInfo()
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var got interface{}
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err := ci.Scan(pgtype.TextOID, pgx.TextFormatCode, []byte("foo"), &got)
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require.NoError(t, err)
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assert.Equal(t, "foo", got)
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}
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func TestConnInfoScanTextFormatNonByteaIntoByteSlice(t *testing.T) {
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ci := pgtype.NewConnInfo()
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var got []byte
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err := ci.Scan(pgtype.JSONBOID, pgx.TextFormatCode, []byte("{}"), &got)
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require.NoError(t, err)
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assert.Equal(t, []byte("{}"), got)
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}
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func TestConnInfoScanBinaryFormatInterfacePtr(t *testing.T) {
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ci := pgtype.NewConnInfo()
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var got interface{}
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err := ci.Scan(pgtype.TextOID, pgx.BinaryFormatCode, []byte("foo"), &got)
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require.NoError(t, err)
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assert.Equal(t, "foo", got)
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}
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func TestConnInfoScanUnknownOIDToStringsAndBytes(t *testing.T) {
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unknownOID := uint32(999999)
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srcBuf := []byte("foo")
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ci := pgtype.NewConnInfo()
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var s string
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err := ci.Scan(unknownOID, pgx.TextFormatCode, srcBuf, &s)
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assert.NoError(t, err)
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assert.Equal(t, "foo", s)
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var rs _string
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err = ci.Scan(unknownOID, pgx.TextFormatCode, srcBuf, &rs)
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assert.NoError(t, err)
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assert.Equal(t, "foo", string(rs))
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var b []byte
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err = ci.Scan(unknownOID, pgx.TextFormatCode, srcBuf, &b)
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assert.NoError(t, err)
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assert.Equal(t, []byte("foo"), b)
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err = ci.Scan(unknownOID, pgx.BinaryFormatCode, srcBuf, &b)
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assert.NoError(t, err)
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assert.Equal(t, []byte("foo"), b)
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var rb _byteSlice
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err = ci.Scan(unknownOID, pgx.TextFormatCode, srcBuf, &rb)
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assert.NoError(t, err)
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assert.Equal(t, []byte("foo"), []byte(rb))
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err = ci.Scan(unknownOID, pgx.BinaryFormatCode, srcBuf, &b)
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assert.NoError(t, err)
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assert.Equal(t, []byte("foo"), []byte(rb))
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}
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type pgCustomType struct {
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a string
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b string
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}
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func (ct *pgCustomType) DecodeText(ci *pgtype.ConnInfo, buf []byte) error {
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// This is not a complete parser for the text format of composite types. This is just for test purposes.
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if buf == nil {
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return errors.New("cannot parse null")
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}
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if len(buf) < 2 {
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return errors.New("invalid text format")
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}
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parts := bytes.Split(buf[1:len(buf)-1], []byte(","))
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if len(parts) != 2 {
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return errors.New("wrong number of parts")
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}
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ct.a = string(parts[0])
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ct.b = string(parts[1])
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return nil
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}
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func TestConnInfoScanUnregisteredOIDToCustomType(t *testing.T) {
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unregisteredOID := uint32(999999)
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ci := pgtype.NewConnInfo()
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var ct pgCustomType
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err := ci.Scan(unregisteredOID, pgx.TextFormatCode, []byte("(foo,bar)"), &ct)
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assert.NoError(t, err)
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assert.Equal(t, "foo", ct.a)
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assert.Equal(t, "bar", ct.b)
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// Scan value into pointer to custom type
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var pCt *pgCustomType
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err = ci.Scan(unregisteredOID, pgx.TextFormatCode, []byte("(foo,bar)"), &pCt)
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assert.NoError(t, err)
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require.NotNil(t, pCt)
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assert.Equal(t, "foo", pCt.a)
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assert.Equal(t, "bar", pCt.b)
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// Scan null into pointer to custom type
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err = ci.Scan(unregisteredOID, pgx.TextFormatCode, nil, &pCt)
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assert.NoError(t, err)
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assert.Nil(t, pCt)
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}
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func TestConnInfoScanUnknownOIDTextFormat(t *testing.T) {
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ci := pgtype.NewConnInfo()
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var n int32
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err := ci.Scan(0, pgx.TextFormatCode, []byte("123"), &n)
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assert.NoError(t, err)
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assert.EqualValues(t, 123, n)
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}
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func BenchmarkConnInfoScanInt4IntoBinaryDecoder(b *testing.B) {
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ci := pgtype.NewConnInfo()
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src := []byte{0, 0, 0, 42}
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var v pgtype.Int4
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for i := 0; i < b.N; i++ {
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v = pgtype.Int4{}
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err := ci.Scan(pgtype.Int4OID, pgtype.BinaryFormatCode, src, &v)
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if err != nil {
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b.Fatal(err)
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}
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if v != (pgtype.Int4{Int: 42, Status: pgtype.Present}) {
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b.Fatal("scan failed due to bad value")
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}
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}
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}
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func TestScanPlanBinaryInt32ScanChangedType(t *testing.T) {
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ci := pgtype.NewConnInfo()
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src := []byte{0, 0, 0, 42}
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var v int32
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plan := ci.PlanScan(pgtype.Int4OID, pgtype.BinaryFormatCode, &v)
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err := plan.Scan(ci, pgtype.Int4OID, pgtype.BinaryFormatCode, src, &v)
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require.NoError(t, err)
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require.EqualValues(t, 42, v)
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var d pgtype.Int4
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err = plan.Scan(ci, pgtype.Int4OID, pgtype.BinaryFormatCode, src, &d)
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require.NoError(t, err)
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require.EqualValues(t, 42, d.Int)
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require.EqualValues(t, pgtype.Present, d.Status)
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}
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func BenchmarkConnInfoScanInt4IntoGoInt32(b *testing.B) {
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ci := pgtype.NewConnInfo()
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src := []byte{0, 0, 0, 42}
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var v int32
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for i := 0; i < b.N; i++ {
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v = 0
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err := ci.Scan(pgtype.Int4OID, pgtype.BinaryFormatCode, src, &v)
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if err != nil {
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b.Fatal(err)
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}
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if v != 42 {
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b.Fatal("scan failed due to bad value")
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}
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}
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}
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func BenchmarkScanPlanScanInt4IntoBinaryDecoder(b *testing.B) {
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ci := pgtype.NewConnInfo()
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src := []byte{0, 0, 0, 42}
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var v pgtype.Int4
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plan := ci.PlanScan(pgtype.Int4OID, pgtype.BinaryFormatCode, &v)
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for i := 0; i < b.N; i++ {
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v = pgtype.Int4{}
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err := plan.Scan(ci, pgtype.Int4OID, pgtype.BinaryFormatCode, src, &v)
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if err != nil {
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b.Fatal(err)
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}
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if v != (pgtype.Int4{Int: 42, Status: pgtype.Present}) {
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b.Fatal("scan failed due to bad value")
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}
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}
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}
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func BenchmarkScanPlanScanInt4IntoGoInt32(b *testing.B) {
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ci := pgtype.NewConnInfo()
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src := []byte{0, 0, 0, 42}
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var v int32
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plan := ci.PlanScan(pgtype.Int4OID, pgtype.BinaryFormatCode, &v)
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for i := 0; i < b.N; i++ {
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v = 0
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err := plan.Scan(ci, pgtype.Int4OID, pgtype.BinaryFormatCode, src, &v)
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if err != nil {
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b.Fatal(err)
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}
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if v != 42 {
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b.Fatal("scan failed due to bad value")
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}
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}
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}
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