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fetch_test.go
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fetch_test.go
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package bond
import (
"context"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/cdr/grip"
"github.com/satori/go.uuid"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
)
type DownloaderSuite struct {
dir string
require *require.Assertions
suite.Suite
}
func TestDownloaderSuite(t *testing.T) {
suite.Run(t, new(DownloaderSuite))
}
func (s *DownloaderSuite) SetupSuite() {
var err error
s.require = s.Require()
s.dir, err = ioutil.TempDir("", uuid.NewV4().String())
s.require.NoError(err)
_, err = os.Stat(s.dir)
s.require.NoError(os.MkdirAll(s.dir, 0700))
s.require.True(!os.IsNotExist(err))
}
func (s *DownloaderSuite) TearDownSuite() {
grip.Critical(os.RemoveAll(s.dir))
}
func (s *DownloaderSuite) TestCreateDirectory() {
// the s.dir location exists when we start
s.NoError(createDirectory(s.dir))
}
func (s *DownloaderSuite) TestCreateDirectoryThatDoesNotExist() {
name := filepath.Join(s.dir, uuid.NewV4().String())
_, err := os.Stat(name)
s.True(os.IsNotExist(err))
s.NoError(createDirectory(name))
_, err = os.Stat(name)
s.False(os.IsNotExist(err))
}
func (s *DownloaderSuite) TestCreateDirectoryErrorsIfPathIsAFile() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
name := filepath.Join(s.dir, uuid.NewV4().String())
_, err := os.Stat(name)
s.True(os.IsNotExist(err))
s.NoError(ioutil.WriteFile(name, []byte("hi"), 0644))
_, err = os.Stat(name)
s.False(os.IsNotExist(err))
s.Error(createDirectory(name))
_, err = os.Stat(name)
s.False(os.IsNotExist(err))
// also check here that this error propagates to DownloadFile
s.Error(DownloadFile(ctx, "foo", filepath.Join(name, "foo")))
s.Error(DownloadFile(ctx, "foo", name))
}
func (s *DownloaderSuite) TestDownloadFileThatExists() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
err := DownloadFile(ctx, "http://example.net", filepath.Join(s.dir, uuid.NewV4().String()))
s.NoError(err, fmt.Sprintf("%+v", err))
}
func (s *DownloaderSuite) TestDownloadFileThatDoesNotExist() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
err := DownloadFile(ctx, "http://example.net/DOES_NOT_EXIST", filepath.Join(s.dir, uuid.NewV4().String()))
s.Error(err, fmt.Sprintf("%+v", err))
}