swarm/storage/feeds: Final package rename and moved files

cmd/swarm/feeds_test.go

@@ -0,0 +1,182 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/swarm/api"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
+	"github.com/ethereum/go-ethereum/swarm/testutil"
+
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/log"
+	swarm "github.com/ethereum/go-ethereum/swarm/api/client"
+	swarmhttp "github.com/ethereum/go-ethereum/swarm/api/http"
+)
+
+func TestCLIFeedUpdate(t *testing.T) {
+
+	srv := testutil.NewTestSwarmServer(t, func(api *api.API) testutil.TestServer {
+		return swarmhttp.NewServer(api, "")
+	}, nil)
+	log.Info("starting a test swarm server")
+	defer srv.Close()
+
+	// create a private key file for signing
+	pkfile, err := ioutil.TempFile("", "swarm-test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer pkfile.Close()
+	defer os.Remove(pkfile.Name())
+
+	privkeyHex := "0000000000000000000000000000000000000000000000000000000000001979"
+	privKey, _ := crypto.HexToECDSA(privkeyHex)
+	address := crypto.PubkeyToAddress(privKey.PublicKey)
+
+	// save the private key to a file
+	_, err = io.WriteString(pkfile, privkeyHex)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// compose a topic. We'll be doing quotes about Miguel de Cervantes
+	var topic feeds.Topic
+	subject := []byte("Miguel de Cervantes")
+	copy(topic[:], subject[:])
+	name := "quotes"
+
+	// prepare some data for the update
+	data := []byte("En boca cerrada no entran moscas")
+	hexData := hexutil.Encode(data)
+
+	flags := []string{
+		"--bzzapi", srv.URL,
+		"--bzzaccount", pkfile.Name(),
+		"feed", "update",
+		"--topic", topic.Hex(),
+		"--name", name,
+		hexData}
+
+	// create an update and expect an exit without errors
+	log.Info(fmt.Sprintf("updating a feed with 'swarm feed update'"))
+	cmd := runSwarm(t, flags...)
+	cmd.ExpectExit()
+
+	// now try to get the update using the client
+	client := swarm.NewClient(srv.URL)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// build the same topic as before, this time
+	// we use NewTopic to create a topic automatically.
+	topic, err = feeds.NewTopic(name, subject)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Feed configures whose updates we will be looking up.
+	feed := feeds.Feed{
+		Topic: topic,
+		User:  address,
+	}
+
+	// Build a query to get the latest update
+	query := feeds.NewQueryLatest(&feed, lookup.NoClue)
+
+	// retrieve content!
+	reader, err := client.QueryFeed(query, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	retrieved, err := ioutil.ReadAll(reader)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// check we retrieved the sent information
+	if !bytes.Equal(data, retrieved) {
+		t.Fatalf("Received %s, expected %s", retrieved, data)
+	}
+
+	// Now retrieve info for the next update
+	flags = []string{
+		"--bzzapi", srv.URL,
+		"feed", "info",
+		"--topic", topic.Hex(),
+		"--user", address.Hex(),
+	}
+
+	log.Info(fmt.Sprintf("getting feed info with 'swarm feed info'"))
+	cmd = runSwarm(t, flags...)
+	_, matches := cmd.ExpectRegexp(`.*`) // regex hack to extract stdout
+	cmd.ExpectExit()
+
+	// verify we can deserialize the result as a valid JSON
+	var request feeds.Request
+	err = json.Unmarshal([]byte(matches[0]), &request)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// make sure the retrieved Feed is the same
+	if request.Feed != feed {
+		t.Fatalf("Expected feed to be: %s, got %s", feed, request.Feed)
+	}
+
+	// test publishing a manifest
+	flags = []string{
+		"--bzzapi", srv.URL,
+		"--bzzaccount", pkfile.Name(),
+		"feed", "create",
+		"--topic", topic.Hex(),
+	}
+
+	log.Info(fmt.Sprintf("Publishing manifest with 'swarm feed create'"))
+	cmd = runSwarm(t, flags...)
+	_, matches = cmd.ExpectRegexp(`[a-f\d]{64}`) // regex hack to extract stdout
+	cmd.ExpectExit()
+
+	manifestAddress := matches[0] // read the received feed manifest
+
+	// now attempt to lookup the latest update using a manifest instead
+	reader, err = client.QueryFeed(nil, manifestAddress)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	retrieved, err = ioutil.ReadAll(reader)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if !bytes.Equal(data, retrieved) {
+		t.Fatalf("Received %s, expected %s", retrieved, data)
+	}
+}