func TestBlockIterLongManifest(t *testing.T) {
content, err := ioutil.ReadFile("testdata/long_manifest")
if err != nil {
t.Fatalf("Unexpected error reading manifest from file: %v", err)
}
manifest := Manifest{Text: string(content)}
blockChannel := manifest.BlockIterWithDuplicates()
firstBlock := <-blockChannel
d, err := blockdigest.FromString("b746e3d2104645f2f64cd3cc69dd895d")
if err != nil {
t.Fatalf("Unexpected error during FromString for block: %v", err)
}
expectBlockLocator(t,
firstBlock,
blockdigest.BlockLocator{Digest: d,
Size: 15693477,
Hints: []string{"E2866e643690156651c03d876e638e674dcd79475@5441920c"}})
blocksRead := 1
var lastBlock blockdigest.BlockLocator
for lastBlock = range blockChannel {
blocksRead++
}
expectEqual(t, blocksRead, 853)
d, err = blockdigest.FromString("f9ce82f59e5908d2d70e18df9679b469")
if err != nil {
t.Fatalf("Unexpected error during FromString for block: %v", err)
}
expectBlockLocator(t,
lastBlock,
blockdigest.BlockLocator{Digest: d,
Size: 31367794,
Hints: []string{"E53f903684239bcc114f7bf8ff9bd6089f33058db@5441920c"}})
}
func ParseBlockLocator(s string) (b BlockLocator, err error) {
if !LocatorPattern.MatchString(s) {
err = fmt.Errorf("String \"%s\" does not match BlockLocator pattern "+
"\"%s\".",
s,
LocatorPattern.String())
} else {
tokens := strings.Split(s, "+")
var blockSize int64
var blockDigest blockdigest.BlockDigest
// We expect both of the following to succeed since LocatorPattern
// restricts the strings appropriately.
blockDigest, err = blockdigest.FromString(tokens[0])
if err != nil {
return
}
blockSize, err = strconv.ParseInt(tokens[1], 10, 0)
if err != nil {
return
}
b.Digest = blockDigest
b.Size = int(blockSize)
b.Hints = tokens[2:]
}
return
}
func TestParseBlockLocatorSimple(t *testing.T) {
b, err := ParseBlockLocator("365f83f5f808896ec834c8b595288735+2310+K@qr1hi+Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf")
if err != nil {
t.Fatalf("Unexpected error parsing block locator: %v", err)
}
d, err := blockdigest.FromString("365f83f5f808896ec834c8b595288735")
if err != nil {
t.Fatalf("Unexpected error during FromString for block locator: %v", err)
}
expectBlockLocator(t, blockdigest.BlockLocator{b.Digest, b.Size, b.Hints},
blockdigest.BlockLocator{Digest: d,
Size: 2310,
Hints: []string{"K@qr1hi",
"Af0c9a66381f3b028677411926f0be1c6282fe67c@542b5ddf"}})
}