github.com/bytedance/mockey@v1.2.10/internal/tool/assert.go (about)

     1  /*
     2   * Copyright 2022 ByteDance Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package tool
    18  
    19  import (
    20  	"fmt"
    21  	"reflect"
    22  )
    23  
    24  func Assert(b bool, fmts ...interface{}) {
    25  	if !b {
    26  		var fmtStr string
    27  		if len(fmts) == 0 {
    28  			fmtStr = "unexpected happened"
    29  		} else if _, ok := fmts[0].(string); !ok {
    30  			fmtStr = "%+v"
    31  		} else {
    32  			fmtStr = fmts[0].(string)
    33  			fmts = fmts[1:]
    34  		}
    35  		panic(fmt.Sprintf(fmtStr, fmts...))
    36  	}
    37  }
    38  
    39  func AssertFunc(target interface{}) {
    40  	Assert(reflect.TypeOf(target).Kind() == reflect.Func, "'%v' is not a function")
    41  }
    42  
    43  func AssertPtr(ptr interface{}) {
    44  	Assert(reflect.TypeOf(ptr).Kind() == reflect.Ptr, "'%v' is not a pointer")
    45  }