Merge branch 'fix/PRXS-3401-AddMinItemsOption' into 'master'

Добавлена регистрация опции `Минимальное количество элементов`

See merge request perxis/perxis-go!486

pkg/schema/test/object_test.go

@@ -148,6 +148,35 @@ func TestNumberField_JSON_With_MaxInt(t *testing.T) {
 
 }
 
+func TestArrayField_JSON(t *testing.T) {
+	fld := field.Array(field.String()).AddOptions(
+		validate.MinItems(3),
+		validate.MaxItems(10),
+	)
+
+	b, err := json.MarshalIndent(fld, "", "  ")
+	require.NoError(t, err)
+	assert.JSONEq(t, `{
+  "options": {
+    "minItems": 3,
+    "maxItems": 10
+  },
+  "type": "array",
+  "params": {
+    "item": {
+      "type": "string",
+      "params": {}
+    }
+  }
+}`, string(b))
+
+	res := field.NewField(nil)
+	err = json.Unmarshal(b, res)
+	require.NoError(t, err)
+
+	assert.Equal(t, fld, res)
+}
+
 func TestSchema_JSON(t *testing.T) {
 	enumStr := field.String().AddOptions(
 		validate.Enum(

pkg/schema/validate/validate.go

@@ -94,6 +94,7 @@ func init() {
 	field.RegisterOption(enum{})
 	field.RegisterOption(readonly(true))
 	field.RegisterOption(required(true))
+	field.RegisterOption(minItems(0))
 	field.RegisterOption(maxItems(0))
 	field.RegisterOption(schema(true))
 }