github.com/sttk/sabi@v0.5.0/example_notify_test.go (about)

     1  package sabi_test
     2  
     3  import (
     4  	"fmt"
     5  	"strconv"
     6  	"time"
     7  
     8  	"github.com/sttk/sabi"
     9  )
    10  
    11  func ExampleAddAsyncErrHandler() {
    12  	sabi.AddAsyncErrHandler(func(err sabi.Err, occ sabi.ErrOccasion) {
    13  		fmt.Println("Asynchronous error handling: " + err.Error())
    14  	})
    15  	sabi.FixErrCfgs()
    16  
    17  	type FailToDoSomething struct{ Name string }
    18  
    19  	sabi.NewErr(FailToDoSomething{Name: "abc"})
    20  
    21  	// Output:
    22  	// Asynchronous error handling: {reason=FailToDoSomething, Name=abc}
    23  
    24  	time.Sleep(100 * time.Millisecond)
    25  	sabi.ClearErrHandlers()
    26  }
    27  
    28  func ExampleAddSyncErrHandler() {
    29  	sabi.AddSyncErrHandler(func(err sabi.Err, occ sabi.ErrOccasion) {
    30  		fmt.Println("Synchronous error handling: " + err.Error())
    31  	})
    32  	sabi.FixErrCfgs()
    33  
    34  	type FailToDoSomething struct{ Name string }
    35  
    36  	sabi.NewErr(FailToDoSomething{Name: "abc"})
    37  
    38  	// Output:
    39  	// Synchronous error handling: {reason=FailToDoSomething, Name=abc}
    40  
    41  	sabi.ClearErrHandlers()
    42  }
    43  
    44  func ExampleFixErrCfgs() {
    45  	sabi.AddSyncErrHandler(func(err sabi.Err, occ sabi.ErrOccasion) {
    46  		fmt.Println("This handler is registered at " + occ.File() + ":" +
    47  			strconv.Itoa(occ.Line()))
    48  	})
    49  
    50  	sabi.FixErrCfgs()
    51  
    52  	sabi.AddSyncErrHandler(func(err sabi.Err, occ sabi.ErrOccasion) {
    53  		fmt.Println("This handler is not registered")
    54  	})
    55  
    56  	type FailToDoSomething struct{ Name string }
    57  
    58  	sabi.NewErr(FailToDoSomething{Name: "abc"})
    59  
    60  	// Output:
    61  	// This handler is registered at example_notify_test.go:58
    62  
    63  	sabi.ClearErrHandlers()
    64  }