func (t *IntegrationTest) AppendThenSync() {
// Create.
o, err := gcsutil.CreateObject(t.ctx, t.bucket, "foo", "taco")
AssertEq(nil, err)
t.create(o)
// Append some data.
n, err := t.mc.WriteAt(t.ctx, []byte("burrito"), 4)
AssertEq(nil, err)
ExpectEq(len("burrito"), n)
// Sync should save out the new generation.
rl, newObj, err := t.sync(o)
AssertEq(nil, err)
ExpectNe(o.Generation, newObj.Generation)
ExpectEq(t.objectGeneration("foo"), newObj.Generation)
// Read via the bucket.
contents, err := gcsutil.ReadObject(t.ctx, t.bucket, "foo")
AssertEq(nil, err)
ExpectEq("tacoburrito", string(contents))
// Read via the lease.
_, err = rl.Seek(0, 0)
AssertEq(nil, err)
contents, err = ioutil.ReadAll(rl)
AssertEq(nil, err)
ExpectEq("tacoburrito", string(contents))
// There should be no junk left over in the bucket besides the object of
// interest.
objects, runs, err := gcsutil.ListAll(
t.ctx,
t.bucket,
&gcs.ListObjectsRequest{})
AssertEq(nil, err)
AssertEq(1, len(objects))
AssertEq(0, len(runs))
ExpectEq("foo", objects[0].Name)
}
func (t *IntegrationTest) AppendThenSync() {
// Create.
o, err := gcsutil.CreateObject(t.ctx, t.bucket, "foo", []byte("taco"))
AssertEq(nil, err)
t.create(o)
// Append some data.
t.clock.AdvanceTime(time.Second)
writeTime := t.clock.Now()
n, err := t.tf.WriteAt([]byte("burrito"), 4)
t.clock.AdvanceTime(time.Second)
AssertEq(nil, err)
ExpectEq(len("burrito"), n)
// Sync should save out the new generation.
newObj, err := t.sync(o)
AssertEq(nil, err)
ExpectNe(o.Generation, newObj.Generation)
ExpectEq(t.objectGeneration("foo"), newObj.Generation)
ExpectEq(
writeTime.UTC().Format(time.RFC3339Nano),
newObj.Metadata["gcsfuse_mtime"])
// Read via the bucket.
contents, err := gcsutil.ReadObject(t.ctx, t.bucket, "foo")
AssertEq(nil, err)
ExpectEq("tacoburrito", string(contents))
// There should be no junk left over in the bucket besides the object of
// interest.
objects, runs, err := gcsutil.ListAll(
t.ctx,
t.bucket,
&gcs.ListObjectsRequest{})
AssertEq(nil, err)
AssertEq(1, len(objects))
AssertEq(0, len(runs))
ExpectEq("foo", objects[0].Name)
}