// Ensure that f.content != nil
//
// LOCKS_REQUIRED(f.mu)
func (f *FileInode) ensureContent(ctx context.Context) (err error) {
// Is there anything to do?
if f.content != nil {
return
}
// Open a reader for the generation we care about.
rc, err := f.bucket.NewReader(
ctx,
&gcs.ReadObjectRequest{
Name: f.src.Name,
Generation: f.src.Generation,
})
if err != nil {
err = fmt.Errorf("NewReader: %v", err)
return
}
defer rc.Close()
// Create a temporary file with its contents.
tf, err := gcsx.NewTempFile(rc, f.tempDir, f.mtimeClock)
if err != nil {
err = fmt.Errorf("NewTempFile: %v", err)
return
}
// Update state.
f.content = tf
return
}
func (t *TempFileTest) SetUp(ti *TestInfo) {
var err error
t.ctx = ti.Ctx
// Set up the clock.
t.clock.SetTime(time.Date(2012, 8, 15, 22, 56, 0, 0, time.Local))
// And the temp file.
t.tf.wrapped, err = gcsx.NewTempFile(
strings.NewReader(initialContent),
"",
&t.clock)
AssertEq(nil, err)
}
func (t *IntegrationTest) create(o *gcs.Object) {
// Set up a reader.
rc, err := t.bucket.NewReader(
t.ctx,
&gcs.ReadObjectRequest{
Name: o.Name,
Generation: o.Generation,
})
AssertEq(nil, err)
// Use it to create the temp file.
t.tf, err = gcsx.NewTempFile(rc, "", &t.clock)
AssertEq(nil, err)
// Close it.
err = rc.Close()
AssertEq(nil, err)
}