func checkFileHasContents(c *gc.C, stor storage.StorageReader, name string, contents []byte, attempt utils.AttemptStrategy) {
r, err := storage.GetWithRetry(stor, name, attempt)
c.Assert(err, gc.IsNil)
c.Check(r, gc.NotNil)
defer r.Close()
data, err := ioutil.ReadAll(r)
c.Check(err, gc.IsNil)
c.Check(data, gc.DeepEquals, contents)
url, err := stor.URL(name)
c.Assert(err, gc.IsNil)
var resp *http.Response
for a := attempt.Start(); a.Next(); {
resp, err = utils.GetValidatingHTTPClient().Get(url)
c.Assert(err, gc.IsNil)
if resp.StatusCode != 404 {
break
}
c.Logf("get retrying after earlier get succeeded. *sigh*.")
}
c.Assert(err, gc.IsNil)
data, err = ioutil.ReadAll(resp.Body)
c.Assert(err, gc.IsNil)
defer resp.Body.Close()
c.Assert(resp.StatusCode, gc.Equals, 200, gc.Commentf("error response: %s", data))
c.Check(data, gc.DeepEquals, contents)
}
func (s *storageSuite) TestGetWithRetry(c *gc.C) {
stor := &fakeStorage{shouldRetry: true}
attempt := utils.AttemptStrategy{Min: 5}
storage.GetWithRetry(stor, "foo", attempt)
c.Assert(stor.getName, gc.Equals, "foo")
c.Assert(stor.invokeCount, gc.Equals, 5)
}
func checkFileDoesNotExist(c *gc.C, stor storage.StorageReader, name string, attempt utils.AttemptStrategy) {
r, err := storage.GetWithRetry(stor, name, attempt)
c.Assert(r, gc.IsNil)
c.Assert(err, jc.Satisfies, errors.IsNotFound)
}