new/null-types #2

Merged
jake merged 10 commits from new/null-types into main 2026-01-23 19:59:06 +00:00
Showing only changes of commit 4ec738b130 - Show all commits

97
lazy.go
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@@ -8,6 +8,7 @@ import (
"math/rand/v2"
"reflect"
"regexp"
"time"
"github.com/jmoiron/sqlx"
)
@@ -20,8 +21,15 @@ const (
DB_TAG = "db" //tag used to parse sql fields in example struct
LAZY_TAG = "lazy" //tag label for KEY_VALUE
KEY_VALUE = "key" //tag value for LAZY_TAG
//bind values
BindQuestion Binds = 1
BindDollar Binds = 2
BindNamed Binds = 3
BindAt Binds = 4
)
type Binds int
// mock data generated based on config
type Mock struct {
Query string
@@ -35,11 +43,11 @@ type Config struct {
Example any
Keys []any //length of keys must = RowCount, if set
RowCount int
BindType Binds
}
// generates mock data based on configuration to be used for sqlmock
func RandomGenerate(m Config) (*Mock, error) {
fmt.Println("huh")
//example struct cannot be nil and must be a struct
if m.Example == nil {
return nil, errors.New("example value cannot be nil")
@@ -91,31 +99,63 @@ func RandomGenerate(m Config) (*Mock, error) {
//generate random values
nv := kindToRandom(field)
if nv == nil {
//this will catch the sql.Null* types, although not slices of them. In these statements it should be
//50/50 chance of null vs value and then psuedo random from there
//1. Write simple 50/50 function
//2. move this logic to nullKindToRandom function
//3. add bind type option to allow for more than just AT now that I'm using postgres
//move this logic to nullKindToRandom function
nullType := false
switch field.Type {
case reflect.TypeOf(sql.NullTime{}):
//
case reflect.TypeOf(sql.NullInt16{}):
//
case reflect.TypeOf(sql.NullInt32{}):
//
case reflect.TypeOf(sql.NullInt64{}):
//
case reflect.TypeOf(sql.NullBool{}):
//
case reflect.TypeOf(sql.NullFloat64{}):
//
case reflect.TypeOf(sql.NullString{}):
//
case reflect.TypeOf(sql.NullByte{}):
//
if isNull() {
rows[y] = append(rows[y], nil)
} else {
rows[y] = append(rows[y], time.Now())
}
nullType = true
case reflect.TypeOf(sql.NullInt16{}):
if isNull() {
rows[y] = append(rows[y], nil)
} else {
rows[y] = append(rows[y], rand.Int())
}
nullType = true
case reflect.TypeOf(sql.NullInt32{}):
if isNull() {
rows[y] = append(rows[y], nil)
} else {
rows[y] = append(rows[y], rand.Int32())
}
nullType = true
case reflect.TypeOf(sql.NullInt64{}):
if isNull() {
rows[y] = append(rows[y], nil)
} else {
rows[y] = append(rows[y], rand.Int64())
}
nullType = true
case reflect.TypeOf(sql.NullBool{}):
if isNull() {
rows[y] = append(rows[y], nil)
} else {
rows[y] = append(rows[y], rand.Int()%2 == 0)
}
nullType = true
case reflect.TypeOf(sql.NullFloat64{}):
if isNull() {
rows[y] = append(rows[y], nil)
} else {
rows[y] = append(rows[y], rand.Float64())
}
nullType = true
case reflect.TypeOf(sql.NullString{}):
if isNull() {
rows[y] = append(rows[y], nil)
} else {
rows[y] = append(rows[y], fmt.Sprintf("random %d", rand.Int()))
}
nullType = true
}
if !nullType {
return nil, fmt.Errorf("could not match type: %s", retType.Name())
}
}
rows[y] = append(rows[y], nv)
}
@@ -123,7 +163,7 @@ func RandomGenerate(m Config) (*Mock, error) {
return &Mock{
//sql is rebound and escaped for sqlmock.ExpectQuery
Query: sqlx.Rebind(sqlx.AT, regexp.QuoteMeta(m.Query)),
Query: sqlx.Rebind(int(m.BindType), regexp.QuoteMeta(m.Query)),
Columns: columns,
Rows: rows,
}, nil
@@ -144,9 +184,11 @@ func kindToRandom(field reflect.StructField) any {
case reflect.Float64:
return rand.Float64()
case reflect.String:
return fmt.Sprintf("%d", rand.Int())
return fmt.Sprintf("random %d", rand.Int())
case reflect.Bool:
return rand.Int()%2 == 0
case reflect.TypeOf(time.Time{}).Kind():
return time.Now()
case reflect.Array:
underlying := field.Type.Elem().Kind()
count := reflect.ValueOf(field).Len() //fill entire length
@@ -245,3 +287,12 @@ func kindToRandom(field reflect.StructField) any {
return nil
}
func isNull() bool {
x := rand.IntN(2)
if x%2 == 0 {
return true
} else {
return false
}
}