github.com/pingcap/br@v5.3.0-alpha.0.20220125034240-ec59c7b6ce30+incompatible/cmd/tidb-lightning/main_test.go (about)

     1  // Copyright 2019 PingCAP, Inc.
     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  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package main
    15  
    16  // Reference: https://dzone.com/articles/measuring-integration-test-coverage-rate-in-pouchc
    17  
    18  import (
    19  	"os"
    20  	"strings"
    21  	"testing"
    22  )
    23  
    24  func TestRunMain(_ *testing.T) {
    25  	if _, isIntegrationTest := os.LookupEnv("INTEGRATION_TEST"); !isIntegrationTest {
    26  		// override exit to pass unit test.
    27  		exit = func(code int) {}
    28  	}
    29  
    30  	var args []string
    31  	for _, arg := range os.Args {
    32  		switch {
    33  		case arg == "DEVEL":
    34  		case strings.HasPrefix(arg, "-test."):
    35  		default:
    36  			args = append(args, arg)
    37  		}
    38  	}
    39  
    40  	waitCh := make(chan struct{}, 1)
    41  
    42  	os.Args = args
    43  	go func() {
    44  		main()
    45  		close(waitCh)
    46  	}()
    47  
    48  	<-waitCh
    49  }