github.com/trevoraustin/hub@v2.2.0-preview1.0.20141105230840-96d8bfc654cc+incompatible/fixtures/test_repo.go (about)

     1  package fixtures
     2  
     3  import (
     4  	"fmt"
     5  	"io/ioutil"
     6  	"os"
     7  	"path/filepath"
     8  
     9  	"github.com/github/hub/cmd"
    10  )
    11  
    12  var pwd, home string
    13  
    14  func init() {
    15  	// caching `pwd` and $HOME and reset them after test repo is teared down
    16  	// `pwd` is changed to the bin temp dir during test run
    17  	pwd, _ = os.Getwd()
    18  	home = os.Getenv("HOME")
    19  }
    20  
    21  type TestRepo struct {
    22  	pwd    string
    23  	dir    string
    24  	home   string
    25  	Remote string
    26  }
    27  
    28  func (r *TestRepo) Setup() {
    29  	dir, err := ioutil.TempDir("", "test-repo")
    30  	if err != nil {
    31  		panic(err)
    32  	}
    33  	r.dir = dir
    34  
    35  	os.Setenv("HOME", r.dir)
    36  
    37  	targetPath := filepath.Join(r.dir, "test.git")
    38  	err = r.clone(r.Remote, targetPath)
    39  	if err != nil {
    40  		panic(err)
    41  	}
    42  
    43  	err = os.Chdir(targetPath)
    44  	if err != nil {
    45  		panic(err)
    46  	}
    47  }
    48  
    49  func (r *TestRepo) clone(repo, dir string) error {
    50  	cmd := cmd.New("git").WithArgs("clone", repo, dir)
    51  	output, err := cmd.ExecOutput()
    52  	if err != nil {
    53  		err = fmt.Errorf("error cloning %s to %s: %s", repo, dir, output)
    54  	}
    55  
    56  	return err
    57  }
    58  
    59  func (r *TestRepo) TearDown() {
    60  	err := os.RemoveAll(r.dir)
    61  	if err != nil {
    62  		panic(err)
    63  	}
    64  
    65  	err = os.Chdir(r.pwd)
    66  	if err != nil {
    67  		panic(err)
    68  	}
    69  
    70  	os.Setenv("HOME", r.home)
    71  }
    72  
    73  func SetupTestRepo() *TestRepo {
    74  	remotePath := filepath.Join(pwd, "..", "fixtures", "test.git")
    75  	repo := &TestRepo{pwd: pwd, home: home, Remote: remotePath}
    76  	repo.Setup()
    77  
    78  	return repo
    79  }