func newServerSwizzler(t *testing.T) (map[string][]byte, *testutils.MetadataSwizzler) {
serverMeta, cs, err := testutils.NewRepoMetadata("docker.com/notary", metadataDelegations...)
require.NoError(t, err)
serverSwizzler := testutils.NewMetadataSwizzler("docker.com/notary", serverMeta, cs)
require.NoError(t, err)
return serverMeta, serverSwizzler
}
// If a repo has corrupt metadata (in that the hash doesn't match the snapshot) or
// missing metadata, an update will replace all of it
func TestUpdateReplacesCorruptOrMissingMetadata(t *testing.T) {
if testing.Short() {
t.Skip("skipping test in short mode")
}
serverMeta, cs, err := testutils.NewRepoMetadata("docker.com/notary", metadataDelegations...)
require.NoError(t, err)
ts := readOnlyServer(t, store.NewMemoryStore(serverMeta), http.StatusNotFound, "docker.com/notary")
defer ts.Close()
repo := newBlankRepo(t, ts.URL)
defer os.RemoveAll(repo.baseDir)
_, err = repo.Update(false) // ensure we have all metadata to start with
require.NoError(t, err)
// we want to swizzle the local cache, not the server, so create a new one
repoSwizzler := testutils.NewMetadataSwizzler("docker.com/notary", serverMeta, cs)
repoSwizzler.MetadataCache = repo.fileStore
for _, role := range repoSwizzler.Roles {
for _, expt := range waysToMessUpLocalMetadata {
text, messItUp := expt.desc, expt.swizzle
for _, forWrite := range []bool{true, false} {
require.NoError(t, messItUp(repoSwizzler, role), "could not fuzz %s (%s)", role, text)
_, err := repo.Update(forWrite)
require.NoError(t, err)
for r, expected := range serverMeta {
actual, err := repo.fileStore.GetMeta(r, -1)
require.NoError(t, err, "problem getting repo metadata for %s", role)
require.True(t, bytes.Equal(expected, actual),
"%s for %s: expected to recover after update", text, role)
}
}
}
}
}