126 lines
2.7 KiB
Go
126 lines
2.7 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package utils
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import (
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"errors"
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"io"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"syscall"
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"testing"
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)
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// T wraps testing.T and the configurations of the testing instance.
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type T struct {
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*testing.T
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Config *Config
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}
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// New create an instance of T
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func New(t *testing.T, c *Config) *T {
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return &T{T: t, Config: c}
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}
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// Config Settings of the testing program
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type Config struct {
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// The executable path of the tested program.
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Program string
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// Working directory prepared for the tested program.
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// If empty, a directory named with random suffixes is picked, and created under the platform-dependent default temporary directory.
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// The directory will be removed when the test finishes.
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WorkDir string
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// Command-line arguments passed to the tested program.
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Args []string
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// Where to redirect the stdout/stderr to. For debugging purposes.
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LogFile *os.File
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}
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func redirect(cmd *exec.Cmd, f *os.File) error {
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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return err
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}
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stderr, err := cmd.StderrPipe()
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if err != nil {
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return err
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}
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go io.Copy(f, stdout)
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go io.Copy(f, stderr)
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return nil
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}
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// RunTest Helper function for setting up a running Gitea server for functional testing and then gracefully terminating it.
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func (t *T) RunTest(tests ...func(*T) error) (err error) {
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if t.Config.Program == "" {
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return errors.New("Need input file")
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}
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path, err := filepath.Abs(t.Config.Program)
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if err != nil {
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return err
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}
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workdir := t.Config.WorkDir
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if workdir == "" {
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workdir, err = ioutil.TempDir(os.TempDir(), "gitea_tests-")
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if err != nil {
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return err
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}
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defer os.RemoveAll(workdir)
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}
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newpath := filepath.Join(workdir, filepath.Base(path))
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if err := os.Symlink(path, newpath); err != nil {
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return err
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}
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log.Printf("Starting the server: %s args:%s workdir:%s", newpath, t.Config.Args, workdir)
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cmd := exec.Command(newpath, t.Config.Args...)
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cmd.Dir = workdir
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if t.Config.LogFile != nil && testing.Verbose() {
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if err := redirect(cmd, t.Config.LogFile); err != nil {
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return err
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}
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}
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if err := cmd.Start(); err != nil {
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return err
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}
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log.Println("Server started.")
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defer func() {
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// Do not early return. We have to call Wait anyway.
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_ = cmd.Process.Signal(syscall.SIGTERM)
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if _err := cmd.Wait(); _err != nil {
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if _err.Error() != "signal: terminated" {
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err = _err
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return
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}
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}
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log.Println("Server exited")
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}()
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for _, fn := range tests {
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if err := fn(t); err != nil {
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return err
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}
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}
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// Note that the return value 'err' may be updated by the 'defer' statement before despite it's returning nil here.
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return nil
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}
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