github.com/newbtp/btp@v0.0.0-20190709081714-e4aafa07224e/cmd/ethkey/run_test.go (about)

     1  // Copyright 2018 The go-btpereum Authors
     2  // This file is part of go-btpereum.
     3  //
     4  // go-btpereum is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // go-btpereum is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU General Public License
    15  // along with go-btpereum. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"os"
    22  	"testing"
    23  
    24  	"github.com/docker/docker/pkg/reexec"
    25  	"github.com/btpereum/go-btpereum/internal/cmdtest"
    26  )
    27  
    28  type testbtpkey struct {
    29  	*cmdtest.TestCmd
    30  }
    31  
    32  // spawns btpkey with the given command line args.
    33  func runbtpkey(t *testing.T, args ...string) *testbtpkey {
    34  	tt := new(testbtpkey)
    35  	tt.TestCmd = cmdtest.NewTestCmd(t, tt)
    36  	tt.Run("btpkey-test", args...)
    37  	return tt
    38  }
    39  
    40  func TestMain(m *testing.M) {
    41  	// Run the app if we've been exec'd as "btpkey-test" in runbtpkey.
    42  	reexec.Register("btpkey-test", func() {
    43  		if err := app.Run(os.Args); err != nil {
    44  			fmt.Fprintln(os.Stderr, err)
    45  			os.Exit(1)
    46  		}
    47  		os.Exit(0)
    48  	})
    49  	// check if we have been reexec'd
    50  	if reexec.Init() {
    51  		return
    52  	}
    53  	os.Exit(m.Run())
    54  }