validators: add string length validator

2026-09-24 16:03:43 +08:00 · 2019-10-18 03:22:29 +00:00
parent 150c0890c7
commit e30448f119
3 changed files with 190 additions and 0 deletions
@@ -0,0 +1,99 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package validators
+
+import (
+	"testing"
+)
+
+func TestStringLenValidator(t *testing.T) {
+	cases := []*C{
+		{
+			Name:      "missing non-optional",
+			In:        `{}`,
+			Out:       `{}`,
+			Optional:  false,
+			Err:       ERR_MISSING_KEY,
+			ValueWant: "",
+		},
+		{
+			Name:      "missing optional",
+			In:        `{}`,
+			Out:       `{}`,
+			Optional:  true,
+			ValueWant: "",
+		},
+		{
+			Name:      "missing with default",
+			In:        `{}`,
+			Out:       `{s: "12345"}`,
+			Default:   "12345",
+			ValueWant: "12345",
+		},
+		{
+			Name:      "stringified",
+			In:        `{"s": 100}`,
+			Out:       `{s: "100"}`,
+			ValueWant: "100",
+		},
+		{
+			Name:      "stringified too long",
+			In:        `{"s": 9876543210}`,
+			Out:       `{"s": 9876543210}`,
+			Err:       ERR_INVALID_LENGTH,
+			ValueWant: "",
+		},
+		{
+			Name:      "stringified too short",
+			In:        `{"s": 0}`,
+			Out:       `{"s": 0}`,
+			Err:       ERR_INVALID_LENGTH,
+			ValueWant: "",
+		},
+		{
+			Name:      "good length",
+			In:        `{"s": "abcde"}`,
+			Out:       `{"s": "abcde"}`,
+			ValueWant: "abcde",
+		},
+		{
+			Name:      "bad length (too short)",
+			In:        `{"s": "0"}`,
+			Out:       `{"s": "0"}`,
+			Err:       ERR_INVALID_LENGTH,
+			ValueWant: "",
+		},
+		{
+			Name:      "bad length (too long)",
+			In:        `{"s": "9876543210"}`,
+			Out:       `{"s": "9876543210"}`,
+			Err:       ERR_INVALID_LENGTH,
+			ValueWant: "",
+		},
+	}
+	for _, c := range cases {
+		t.Run(c.Name, func(t *testing.T) {
+			v := NewStringLenRangeValidator("s", 2, 5)
+			if c.Default != nil {
+				s := c.Default.(string)
+				v.Default(s)
+			}
+			if c.Optional {
+				v.Optional(true)
+			}
+			testS(t, v, c)
+		})
+	}
+}