path: root/swarm/api/http/server_test.go

// Copyright 2017 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 http

import (
    "bytes"
    "io/ioutil"
    "net/http"
    "sync"
    "testing"
    "time"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/swarm/api"
    "github.com/ethereum/go-ethereum/swarm/storage"
)

func TestBzzrGetPath(t *testing.T) {

    var err error

    maxproxyattempts := 3

    testmanifest := []string{
        `{"entries":[{"path":"a/","hash":"674af7073604ebfc0282a4ab21e5ef1a3c22913866879ebc0816f8a89896b2ed","contentType":"application/bzz-manifest+json","status":0}]}`,
        `{"entries":[{"path":"a","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0},{"path":"b/","hash":"0a87b1c3e4bf013686cdf107ec58590f2004610ee58cc2240f26939f691215f5","contentType":"application/bzz-manifest+json","status":0}]}`,
        `{"entries":[{"path":"b","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0},{"path":"c","hash":"011b4d03dd8c01f1049143cf9c4c817e4b167f1d1b83e5c6f0f10d89ba1e7bce","contentType":"","status":0}]}`,
    }

    testrequests := make(map[string]int)
    testrequests["/"] = 0
    testrequests["/a"] = 1
    testrequests["/a/b"] = 2
    testrequests["/x"] = 0
    testrequests[""] = 0

    expectedfailrequests := []string{"", "/x"}

    reader := [3]*bytes.Reader{}

    key := [3]storage.Key{}

    dir, _ := ioutil.TempDir("", "bzz-storage-test")

    storeparams := &storage.StoreParams{
        ChunkDbPath:   dir,
        DbCapacity:    5000000,
        CacheCapacity: 5000,
        Radius:        0,
    }

    localStore, err := storage.NewLocalStore(storage.MakeHashFunc("SHA3"), storeparams)
    if err != nil {
        t.Fatal(err)
    }
    chunker := storage.NewTreeChunker(storage.NewChunkerParams())
    dpa := &storage.DPA{
        Chunker:    chunker,
        ChunkStore: localStore,
    }
    dpa.Start()
    defer dpa.Stop()

    wg := &sync.WaitGroup{}

    for i, mf := range testmanifest {
        reader[i] = bytes.NewReader([]byte(mf))
        key[i], err = dpa.Store(reader[i], int64(len(mf)), wg, nil)
        if err != nil {
            t.Fatal(err)
        }
        wg.Wait()
    }

    a := api.NewApi(dpa, nil)

    /// \todo iterate port numbers up if fail
    StartHttpServer(a, &Server{Addr: "127.0.0.1:8504", CorsString: ""})
    // how to wait for ListenAndServe to have initialized? This is pretty cruuuude
    // if we fix it we don't need maxproxyattempts anymore either
    time.Sleep(1000 * time.Millisecond)
    for i := 0; i <= maxproxyattempts; i++ {
        _, err := http.Get("http://127.0.0.1:8504/bzzr:/" + common.ToHex(key[0])[2:] + "/a")
        if i == maxproxyattempts {
            t.Fatalf("Failed to connect to proxy after %v attempts: %v", i, err)
        } else if err != nil {
            time.Sleep(100 * time.Millisecond)
            continue
        }
        break
    }

    for k, v := range testrequests {
        var resp *http.Response
        var respbody []byte

        url := "http://127.0.0.1:8504/bzzr:/"
        if k[:] != "" {
            url += common.ToHex(key[0])[2:] + "/" + k[1:] + "?content_type=text/plain"
        }
        resp, err = http.Get(url)
        if err != nil {
            t.Fatalf("Request failed: %v", err)
        }
        defer resp.Body.Close()
        respbody, err = ioutil.ReadAll(resp.Body)

        if string(respbody) != testmanifest[v] {
            isexpectedfailrequest := false

            for _, r := range expectedfailrequests {
                if k[:] == r {
                    isexpectedfailrequest = true
                }
            }
            if isexpectedfailrequest == false {
                t.Fatalf("Response body does not match, expected: %v, got %v", testmanifest[v], string(respbody))
            }
        }
    }

}