| // Copyright 2016 Qiang Xue. All rights reserved. |
| // Use of this source code is governed by a MIT-style |
| // license that can be found in the LICENSE file. |
| |
| package validation |
| |
| import ( |
| "database/sql" |
| "testing" |
| |
| "github.com/stretchr/testify/assert" |
| ) |
| |
| func TestLength(t *testing.T) { |
| var v *string |
| tests := []struct { |
| tag string |
| min, max int |
| value interface{} |
| err string |
| }{ |
| {"t1", 2, 4, "abc", ""}, |
| {"t2", 2, 4, "", ""}, |
| {"t3", 2, 4, "abcdf", "the length must be between 2 and 4"}, |
| {"t4", 0, 4, "ab", ""}, |
| {"t5", 0, 4, "abcde", "the length must be no more than 4"}, |
| {"t6", 2, 0, "ab", ""}, |
| {"t7", 2, 0, "a", "the length must be no less than 2"}, |
| {"t8", 2, 0, v, ""}, |
| {"t9", 2, 0, 123, "cannot get the length of int"}, |
| {"t10", 2, 4, sql.NullString{String: "abc", Valid: true}, ""}, |
| {"t11", 2, 4, sql.NullString{String: "", Valid: true}, ""}, |
| {"t12", 2, 4, &sql.NullString{String: "abc", Valid: true}, ""}, |
| } |
| |
| for _, test := range tests { |
| r := Length(test.min, test.max) |
| err := r.Validate(test.value) |
| assertError(t, test.err, err, test.tag) |
| } |
| } |
| |
| func TestRuneLength(t *testing.T) { |
| var v *string |
| tests := []struct { |
| tag string |
| min, max int |
| value interface{} |
| err string |
| }{ |
| {"t1", 2, 4, "abc", ""}, |
| {"t1.1", 2, 3, "💥💥", ""}, |
| {"t1.2", 2, 3, "💥💥💥", ""}, |
| {"t1.3", 2, 3, "💥", "the length must be between 2 and 3"}, |
| {"t1.4", 2, 3, "💥💥💥💥", "the length must be between 2 and 3"}, |
| {"t2", 2, 4, "", ""}, |
| {"t3", 2, 4, "abcdf", "the length must be between 2 and 4"}, |
| {"t4", 0, 4, "ab", ""}, |
| {"t5", 0, 4, "abcde", "the length must be no more than 4"}, |
| {"t6", 2, 0, "ab", ""}, |
| {"t7", 2, 0, "a", "the length must be no less than 2"}, |
| {"t8", 2, 0, v, ""}, |
| {"t9", 2, 0, 123, "cannot get the length of int"}, |
| {"t10", 2, 4, sql.NullString{String: "abc", Valid: true}, ""}, |
| {"t11", 2, 4, sql.NullString{String: "", Valid: true}, ""}, |
| {"t12", 2, 4, &sql.NullString{String: "abc", Valid: true}, ""}, |
| {"t13", 2, 3, &sql.NullString{String: "💥💥", Valid: true}, ""}, |
| {"t14", 2, 3, &sql.NullString{String: "💥", Valid: true}, "the length must be between 2 and 3"}, |
| } |
| |
| for _, test := range tests { |
| r := RuneLength(test.min, test.max) |
| err := r.Validate(test.value) |
| assertError(t, test.err, err, test.tag) |
| } |
| } |
| |
| func Test_LengthRule_Error(t *testing.T) { |
| r := Length(10, 20) |
| assert.Equal(t, "the length must be between 10 and 20", r.message) |
| |
| r = Length(0, 20) |
| assert.Equal(t, "the length must be no more than 20", r.message) |
| |
| r = Length(10, 0) |
| assert.Equal(t, "the length must be no less than 10", r.message) |
| |
| r.Error("123") |
| assert.Equal(t, "123", r.message) |
| } |