mirror of https://github.com/jackc/pgx.git
124 lines
3.0 KiB
Go
124 lines
3.0 KiB
Go
package pgtype_test
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import (
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"bytes"
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"reflect"
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"testing"
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"github.com/jackc/pgx/pgtype"
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"github.com/jackc/pgx/pgtype/testutil"
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)
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func TestTextTranscode(t *testing.T) {
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for _, pgTypeName := range []string{"text", "varchar"} {
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testutil.TestSuccessfulTranscode(t, pgTypeName, []interface{}{
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&pgtype.Text{String: "", Status: pgtype.Present},
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&pgtype.Text{String: "foo", Status: pgtype.Present},
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&pgtype.Text{Status: pgtype.Null},
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})
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}
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}
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func TestTextSet(t *testing.T) {
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successfulTests := []struct {
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source interface{}
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result pgtype.Text
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}{
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{source: "foo", result: pgtype.Text{String: "foo", Status: pgtype.Present}},
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{source: _string("bar"), result: pgtype.Text{String: "bar", Status: pgtype.Present}},
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{source: (*string)(nil), result: pgtype.Text{Status: pgtype.Null}},
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}
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for i, tt := range successfulTests {
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var d pgtype.Text
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err := d.Set(tt.source)
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if err != nil {
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t.Errorf("%d: %v", i, err)
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}
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if d != tt.result {
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t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, d)
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}
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}
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}
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func TestTextAssignTo(t *testing.T) {
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var s string
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var ps *string
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stringTests := []struct {
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src pgtype.Text
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dst interface{}
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expected interface{}
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}{
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{src: pgtype.Text{String: "foo", Status: pgtype.Present}, dst: &s, expected: "foo"},
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{src: pgtype.Text{Status: pgtype.Null}, dst: &ps, expected: ((*string)(nil))},
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}
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for i, tt := range stringTests {
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err := tt.src.AssignTo(tt.dst)
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if err != nil {
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t.Errorf("%d: %v", i, err)
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}
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if dst := reflect.ValueOf(tt.dst).Elem().Interface(); dst != tt.expected {
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t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
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}
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}
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var buf []byte
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bytesTests := []struct {
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src pgtype.Text
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dst *[]byte
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expected []byte
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}{
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{src: pgtype.Text{String: "foo", Status: pgtype.Present}, dst: &buf, expected: []byte("foo")},
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{src: pgtype.Text{Status: pgtype.Null}, dst: &buf, expected: nil},
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}
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for i, tt := range bytesTests {
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err := tt.src.AssignTo(tt.dst)
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if err != nil {
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t.Errorf("%d: %v", i, err)
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}
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if bytes.Compare(*tt.dst, tt.expected) != 0 {
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t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, tt.dst)
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}
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}
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pointerAllocTests := []struct {
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src pgtype.Text
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dst interface{}
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expected interface{}
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}{
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{src: pgtype.Text{String: "foo", Status: pgtype.Present}, dst: &ps, expected: "foo"},
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}
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for i, tt := range pointerAllocTests {
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err := tt.src.AssignTo(tt.dst)
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if err != nil {
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t.Errorf("%d: %v", i, err)
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}
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if dst := reflect.ValueOf(tt.dst).Elem().Elem().Interface(); dst != tt.expected {
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t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
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}
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}
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errorTests := []struct {
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src pgtype.Text
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dst interface{}
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}{
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{src: pgtype.Text{Status: pgtype.Null}, dst: &s},
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}
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for i, tt := range errorTests {
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err := tt.src.AssignTo(tt.dst)
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if err == nil {
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t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
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}
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}
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}
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