ready for tests

driver.go

@@ -1,6 +1,6 @@
 package lazy
 
-//driver.Result does not play well with creation, overriding it here so we can return the results without
+//driver.Result does not play well when manually creating them, overriding it here so we can return the results without
 //requiring sqlmock
 type sqlResult struct {
 	insertID     int64

lazy.go

@@ -20,7 +20,8 @@ const (
 var (
 	ErrBadExample  = errors.New("example field must be a non-nil struct")
 	ErrMissingKeys = errors.New("there must be a key for each row requested with RowCount")
-	ErrUnsupportedType = errors.New("")
+	//contains placeholder to inject type on runtime
+	ErrUnsupportedType = errors.New("type: %s is not yet supported")
 )
 
 // mock data generated based on config
@@ -34,22 +35,17 @@ type RowMock struct {
 type RowConfig struct {
 	Query    string
 	Example  any
-	Keys     []any //if set, length of keys must = RowCount
+	Keys     []any
 	RowCount int
 }
 
 type StructMock struct {
 	Query       string
 	Args        []any
-	MockStruct any
+	MockStructs reflect.Value
 	Result      driver.Result
 }
 
-type StructConfig struct {
-	Query   string
-	Example any
-}
-
 // generates mock data based on configuration to be used for sqlmock
 func RandomRows(m RowConfig) (*RowMock, error) {
 	//example struct cannot be nil and must be a struct
@@ -102,7 +98,7 @@ func RandomRows(m RowConfig) (*RowMock, error) {
 			//generate random values
 			nv := kindToRandom(field)
 			if nv == nil {
-				return nil, ErrUnsupportedType
+				return nil, fmt.Errorf(ErrUnsupportedType.Error(), field.Type.Name())
 			}
 
 			rows[y] = append(rows[y], nv)
@@ -117,9 +113,7 @@ func RandomRows(m RowConfig) (*RowMock, error) {
 	}, nil
 }
 
-// so this would "work" but only accounts for inserting one row and doesn't allow for hardcoded ID's
-// it would also have to account in the results struct these changes for rowsAffected, etc.
-func RandomStruct(c StructConfig) (*StructMock, error) {
+func RandomStruct(c RowConfig) (*StructMock, error) {
 	if c.Example == nil {
 		return nil, ErrBadExample
 	}
@@ -127,11 +121,18 @@ func RandomStruct(c StructConfig) (*StructMock, error) {
 		return nil, ErrBadExample
 	}
 
+	if c.RowCount <= 0 {
+		c.RowCount = 1
+	}
+
 	retType := reflect.TypeOf(c.Example)
 	maxFieldCount := retType.NumField()
-	filled := reflect.New(retType).Elem()
+	//create slice of structs
+	ft := reflect.SliceOf(retType)
+	filled := reflect.MakeSlice(ft, 0, c.RowCount).Elem()
 	args := make([]any, 0, maxFieldCount)
 
+	for x := 0; x < c.RowCount; x++ {
 		for y := 0; y < maxFieldCount; y++ {
 			field := retType.Field(y)
 			dbTag := field.Tag.Get(DB_TAG)
@@ -141,23 +142,25 @@ func RandomStruct(c StructConfig) (*StructMock, error) {
 
 			nv := kindToRandom(field)
 			if nv == nil {
-			return nil, ErrUnsupportedType
+				return nil, fmt.Errorf(ErrUnsupportedType.Error(), field.Type.Name())
 			}
 
 			args[y] = nv
-		nf := filled.Field(y)
+			if x == 0 {
+				nf := filled.Index(x).Field(y)
 				if nf.CanSet() {
-			filled.Field(y).Set(reflect.ValueOf(nv))
+					filled.Index(x).Field(y).Set(reflect.ValueOf(nv))
+				}
+			}
 		}
 	}
 
 	return &StructMock{
 		Query:       sqlx.Rebind(sqlx.AT, regexp.QuoteMeta(c.Query)),
 		Args:        args,
-		MockStruct: filled,
+		MockStructs: filled,
 		Result: &sqlResult{
-			insertID:     1,
-			rowsAffected: 1,
+			rowsAffected: int64(c.RowCount),
 			err:          nil,
 		},
 	}, nil