func (s *FingerprintSuite) TestParseHexFingerprint(c *gc.C) {
expected, hexSum := newFingerprint(c, "spamspamspam")
fp, err := hash.ParseHexFingerprint(hexSum, s.validate)
c.Assert(err, jc.ErrorIsNil)
sum := fp.Bytes()
s.stub.CheckCallNames(c, "validate")
c.Check(sum, jc.DeepEquals, expected)
}
func (s *HashSuite) TestHashingReader(c *gc.C) {
expected := "some data"
stub := &testing.Stub{}
reader := &filetesting.StubReader{
Stub: stub,
ReturnRead: &fakeStream{
data: expected,
},
}
newHash, validate := hash.SHA384()
h := newHash()
hashingReader := io.TeeReader(reader, h)
data, err := ioutil.ReadAll(hashingReader)
c.Assert(err, jc.ErrorIsNil)
fp := hash.NewValidFingerprint(h)
hexSum := fp.Hex()
fpAgain, err := hash.ParseHexFingerprint(hexSum, validate)
c.Assert(err, jc.ErrorIsNil)
stub.CheckCallNames(c, "Read") // The EOF was mixed with the data.
c.Check(string(data), gc.Equals, expected)
c.Check(fpAgain, jc.DeepEquals, fp)
}