mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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114 lines
3.6 KiB
Go
114 lines
3.6 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package api
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import (
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// "encoding/json"
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/swarm/storage"
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)
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func manifest(paths ...string) (manifestReader storage.LazySectionReader) {
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var entries []string
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for _, path := range paths {
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entry := fmt.Sprintf(`{"path":"%s"}`, path)
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entries = append(entries, entry)
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}
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manifest := fmt.Sprintf(`{"entries":[%s]}`, strings.Join(entries, ","))
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return &storage.LazyTestSectionReader{
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SectionReader: io.NewSectionReader(strings.NewReader(manifest), 0, int64(len(manifest))),
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}
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}
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func testGetEntry(t *testing.T, path, match string, paths ...string) *manifestTrie {
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quitC := make(chan bool)
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trie, err := readManifest(manifest(paths...), nil, nil, quitC)
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if err != nil {
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t.Errorf("unexpected error making manifest: %v", err)
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}
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checkEntry(t, path, match, trie)
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return trie
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}
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func checkEntry(t *testing.T, path, match string, trie *manifestTrie) {
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entry, fullpath := trie.getEntry(path)
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if match == "-" && entry != nil {
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t.Errorf("expected no match for '%s', got '%s'", path, fullpath)
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} else if entry == nil {
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if match != "-" {
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t.Errorf("expected entry '%s' to match '%s', got no match", match, path)
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}
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} else if fullpath != match {
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t.Errorf("incorrect entry retrieved for '%s'. expected path '%v', got '%s'", path, match, fullpath)
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}
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}
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func TestGetEntry(t *testing.T) {
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// file system manifest always contains regularized paths
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testGetEntry(t, "a", "a", "a")
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testGetEntry(t, "b", "-", "a")
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testGetEntry(t, "/a//", "a", "a")
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// fallback
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testGetEntry(t, "/a", "", "")
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testGetEntry(t, "/a/b", "a/b", "a/b")
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// longest/deepest math
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testGetEntry(t, "a/b", "-", "a", "a/ba", "a/b/c")
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testGetEntry(t, "a/b", "a/b", "a", "a/b", "a/bb", "a/b/c")
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testGetEntry(t, "//a//b//", "a/b", "a", "a/b", "a/bb", "a/b/c")
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}
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func TestDeleteEntry(t *testing.T) {
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}
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// TestAddFileWithManifestPath tests that adding an entry at a path which
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// already exists as a manifest just adds the entry to the manifest rather
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// than replacing the manifest with the entry
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func TestAddFileWithManifestPath(t *testing.T) {
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// create a manifest containing "ab" and "ac"
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manifest, _ := json.Marshal(&Manifest{
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Entries: []ManifestEntry{
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{Path: "ab", Hash: "ab"},
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{Path: "ac", Hash: "ac"},
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},
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})
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reader := &storage.LazyTestSectionReader{
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SectionReader: io.NewSectionReader(bytes.NewReader(manifest), 0, int64(len(manifest))),
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}
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trie, err := readManifest(reader, nil, nil, nil)
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if err != nil {
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t.Fatal(err)
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}
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checkEntry(t, "ab", "ab", trie)
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checkEntry(t, "ac", "ac", trie)
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// now add path "a" and check we can still get "ab" and "ac"
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entry := &manifestTrieEntry{}
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entry.Path = "a"
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entry.Hash = "a"
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trie.addEntry(entry, nil)
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checkEntry(t, "ab", "ab", trie)
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checkEntry(t, "ac", "ac", trie)
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checkEntry(t, "a", "a", trie)
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}
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