Add bytea

2017-03-09 21:07:40 -06:00
parent fa36ad9196
commit bac4af13bb
4 changed files with 255 additions and 0 deletions
@@ -0,0 +1,73 @@
+package pgtype_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/jackc/pgx/pgtype"
+)
+
+func TestByteaTranscode(t *testing.T) {
+	testSuccessfulTranscode(t, "bytea", []interface{}{
+		pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present},
+		pgtype.Bytea{Bytes: []byte{}, Status: pgtype.Present},
+		pgtype.Bytea{Bytes: nil, Status: pgtype.Null},
+	})
+}
+
+func TestByteaConvertFrom(t *testing.T) {
+	successfulTests := []struct {
+		source interface{}
+		result pgtype.Bytea
+	}{
+		{source: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Null}, result: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Null}},
+		{source: []byte{1, 2, 3}, result: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}},
+		{source: []byte{}, result: pgtype.Bytea{Bytes: []byte{}, Status: pgtype.Present}},
+		{source: []byte(nil), result: pgtype.Bytea{Status: pgtype.Null}},
+		{source: _byteSlice{1, 2, 3}, result: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}},
+		{source: _byteSlice(nil), result: pgtype.Bytea{Status: pgtype.Null}},
+	}
+
+	for i, tt := range successfulTests {
+		var r pgtype.Bytea
+		err := r.ConvertFrom(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 TestByteaAssignTo(t *testing.T) {
+	var buf []byte
+	var _buf _byteSlice
+	var pbuf *[]byte
+	var _pbuf *_byteSlice
+
+	simpleTests := []struct {
+		src      pgtype.Bytea
+		dst      interface{}
+		expected interface{}
+	}{
+		{src: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}, dst: &buf, expected: []byte{1, 2, 3}},
+		{src: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}, dst: &_buf, expected: _byteSlice{1, 2, 3}},
+		{src: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}, dst: &pbuf, expected: &[]byte{1, 2, 3}},
+		{src: pgtype.Bytea{Bytes: []byte{1, 2, 3}, Status: pgtype.Present}, dst: &_pbuf, expected: &_byteSlice{1, 2, 3}},
+		{src: pgtype.Bytea{Status: pgtype.Null}, dst: &pbuf, expected: ((*[]byte)(nil))},
+		{src: pgtype.Bytea{Status: pgtype.Null}, dst: &_pbuf, expected: ((*_byteSlice)(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)
+		}
+	}
+}