github.com/bytedance/go-tagexpr/v2@v2.9.8/spec_func_test.go (about)

     1  // Copyright 2019 Bytedance Inc. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package tagexpr_test
    16  
    17  import (
    18  	"regexp"
    19  	"testing"
    20  
    21  	"github.com/bytedance/go-tagexpr/v2"
    22  	"github.com/stretchr/testify/assert"
    23  )
    24  
    25  func TestFunc(t *testing.T) {
    26  	var emailRegexp = regexp.MustCompile(
    27  		"^([A-Za-z0-9_\\-\\.\u4e00-\u9fa5])+\\@([A-Za-z0-9_\\-\\.])+\\.([A-Za-z]{2,8})$",
    28  	)
    29  	tagexpr.RegFunc("email", func(args ...interface{}) interface{} {
    30  		if len(args) == 0 {
    31  			return false
    32  		}
    33  		s, ok := args[0].(string)
    34  		if !ok {
    35  			return false
    36  		}
    37  		t.Log(s)
    38  		return emailRegexp.MatchString(s)
    39  	})
    40  
    41  	var vm = tagexpr.New("te")
    42  
    43  	type T struct {
    44  		Email string `te:"email($)"`
    45  	}
    46  	var cases = []struct {
    47  		email  string
    48  		expect bool
    49  	}{
    50  		{"", false},
    51  		{"henrylee2cn@gmail.com", true},
    52  	}
    53  
    54  	obj := new(T)
    55  	for _, c := range cases {
    56  		obj.Email = c.email
    57  		te := vm.MustRun(obj)
    58  		got := te.EvalBool("Email")
    59  		if got != c.expect {
    60  			t.Fatalf("email: %s, expect: %v, but got: %v", c.email, c.expect, got)
    61  		}
    62  	}
    63  
    64  	// test len
    65  	type R struct {
    66  		Str string `vd:"mblen($)<6"`
    67  	}
    68  	var lenCases = []struct {
    69  		str    string
    70  		expect bool
    71  	}{
    72  		{"123", true},
    73  		{"一二三四五六七", false},
    74  		{"一二三四五", true},
    75  	}
    76  
    77  	lenObj := new(R)
    78  	vm = tagexpr.New("vd")
    79  	for _, lenCase := range lenCases {
    80  		lenObj.Str = lenCase.str
    81  		te := vm.MustRun(lenObj)
    82  		got := te.EvalBool("Str")
    83  		if got != lenCase.expect {
    84  			t.Fatalf("string: %v, expect: %v, but got: %v", lenCase.str, lenCase.expect, got)
    85  		}
    86  	}
    87  }
    88  
    89  func TestRangeIn(t *testing.T) {
    90  	var vm = tagexpr.New("te")
    91  	type S struct {
    92  		F []string `te:"range($, in(#v, '', 'ttp', 'euttp'))"`
    93  	}
    94  	a := []string{"ttp", "", "euttp"}
    95  	r := vm.MustRun(S{
    96  		F: a,
    97  		// F: b,
    98  	})
    99  	assert.Equal(t, []interface{}{true, true, true}, r.Eval("F"))
   100  }