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