99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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"github.com/docker/docker/pkg/reexec"
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"github.com/ethereum/go-ethereum/internal/cmdtest"
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)
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func tmpdir(t *testing.T) string {
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dir, err := ioutil.TempDir("", "geth-test")
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if err != nil {
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t.Fatal(err)
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}
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return dir
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}
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type testgeth struct {
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*cmdtest.TestCmd
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// template variables for expect
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Datadir string
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Etherbase string
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}
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func init() {
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// Run the app if we've been exec'd as "geth-test" in runGeth.
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reexec.Register("geth-test", func() {
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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os.Exit(0)
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})
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}
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func TestMain(m *testing.M) {
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// check if we have been reexec'd
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if reexec.Init() {
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return
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}
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os.Exit(m.Run())
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}
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// spawns geth with the given command line args. If the args don't set --datadir, the
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// child g gets a temporary data directory.
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func runGeth(t *testing.T, args ...string) *testgeth {
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tt := &testgeth{}
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tt.TestCmd = cmdtest.NewTestCmd(t, tt)
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for i, arg := range args {
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switch {
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case arg == "-datadir" || arg == "--datadir":
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if i < len(args)-1 {
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tt.Datadir = args[i+1]
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}
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case arg == "-etherbase" || arg == "--etherbase":
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if i < len(args)-1 {
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tt.Etherbase = args[i+1]
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}
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}
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}
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if tt.Datadir == "" {
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tt.Datadir = tmpdir(t)
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tt.Cleanup = func() { os.RemoveAll(tt.Datadir) }
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args = append([]string{"-datadir", tt.Datadir}, args...)
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// Remove the temporary datadir if something fails below.
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defer func() {
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if t.Failed() {
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tt.Cleanup()
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}
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}()
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}
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// Boot "geth". This actually runs the test binary but the TestMain
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// function will prevent any tests from running.
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tt.Run("geth-test", args...)
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return tt
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}
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