swarm: network rewrite merge
This commit is contained in:
ethersphere
@ -17,11 +17,171 @@
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package swarm
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import (
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"io/ioutil"
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"math/rand"
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"os"
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"path"
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"strings"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/swarm/api"
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)
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// TestNewSwarm validates Swarm fields in repsect to the provided configuration.
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func TestNewSwarm(t *testing.T) {
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dir, err := ioutil.TempDir("", "swarm")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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// a simple rpc endpoint for testing dialing
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ipcEndpoint := path.Join(dir, "TestSwarm.ipc")
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_, server, err := rpc.StartIPCEndpoint(ipcEndpoint, nil)
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if err != nil {
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t.Error(err)
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}
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defer server.Stop()
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for _, tc := range []struct {
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name string
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configure func(*api.Config)
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check func(*testing.T, *Swarm, *api.Config)
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}{
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{
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name: "defaults",
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configure: nil,
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check: func(t *testing.T, s *Swarm, config *api.Config) {
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if s.config != config {
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t.Error("config is not the same object")
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}
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if s.backend != nil {
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t.Error("backend is not nil")
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}
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if s.privateKey == nil {
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t.Error("private key is not set")
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}
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if !s.config.HiveParams.Discovery {
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t.Error("config.HiveParams.Discovery is false, must be true regardless the configuration")
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}
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if s.dns != nil {
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t.Error("dns initialized, but it should not be")
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}
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if s.lstore == nil {
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t.Error("localstore not initialized")
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}
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if s.streamer == nil {
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t.Error("streamer not initialized")
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}
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if s.fileStore == nil {
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t.Error("fileStore not initialized")
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}
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if s.lstore.Validators == nil {
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t.Error("localstore validators not initialized")
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}
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if s.bzz == nil {
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t.Error("bzz not initialized")
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}
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if s.ps == nil {
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t.Error("pss not initialized")
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}
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if s.api == nil {
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t.Error("api not initialized")
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}
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if s.sfs == nil {
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t.Error("swarm filesystem not initialized")
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}
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},
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},
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{
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name: "with swap",
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configure: func(config *api.Config) {
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config.SwapAPI = ipcEndpoint
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config.SwapEnabled = true
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},
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check: func(t *testing.T, s *Swarm, _ *api.Config) {
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if s.backend == nil {
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t.Error("backend is nil")
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}
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},
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},
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{
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name: "with swap disabled",
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configure: func(config *api.Config) {
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config.SwapAPI = ipcEndpoint
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config.SwapEnabled = false
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},
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check: func(t *testing.T, s *Swarm, _ *api.Config) {
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if s.backend != nil {
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t.Error("backend is not nil")
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}
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},
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},
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{
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name: "with swap enabled and api endpoint blank",
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configure: func(config *api.Config) {
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config.SwapAPI = ""
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config.SwapEnabled = true
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},
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check: func(t *testing.T, s *Swarm, _ *api.Config) {
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if s.backend != nil {
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t.Error("backend is not nil")
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}
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},
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},
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{
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name: "ens",
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configure: func(config *api.Config) {
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config.EnsAPIs = []string{
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"http://127.0.0.1:8888",
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}
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},
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check: func(t *testing.T, s *Swarm, _ *api.Config) {
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if s.dns == nil {
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t.Error("dns is not initialized")
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}
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},
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},
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} {
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t.Run(tc.name, func(t *testing.T) {
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config := api.NewConfig()
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dir, err := ioutil.TempDir("", "swarm")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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config.Path = dir
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privkey, err := crypto.GenerateKey()
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if err != nil {
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t.Fatal(err)
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}
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config.Init(privkey)
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if tc.configure != nil {
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tc.configure(config)
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}
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s, err := NewSwarm(config, nil)
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if err != nil {
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t.Fatal(err)
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}
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if tc.check != nil {
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tc.check(t, s, config)
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}
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})
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}
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}
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func TestParseEnsAPIAddress(t *testing.T) {
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for _, x := range []struct {
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description string
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@ -117,3 +277,88 @@ func TestParseEnsAPIAddress(t *testing.T) {
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})
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}
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}
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// TestLocalStoreAndRetrieve runs multiple tests where different size files are uploaded
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// to a single Swarm instance using API Store and checked against the content returned
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// by API Retrieve function.
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//
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// This test is intended to validate functionality of chunker store and join functions
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// and their intergartion into Swarm, without comparing results with ones produced by
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// another chunker implementation, as it is done in swarm/storage tests.
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func TestLocalStoreAndRetrieve(t *testing.T) {
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config := api.NewConfig()
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dir, err := ioutil.TempDir("", "node")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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config.Path = dir
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privkey, err := crypto.GenerateKey()
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if err != nil {
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t.Fatal(err)
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}
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config.Init(privkey)
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swarm, err := NewSwarm(config, nil)
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if err != nil {
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t.Fatal(err)
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}
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// by default, test only the lonely chunk cases
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sizes := []int{1, 60, 4097, 524288 + 1, 7*524288 + 1, 128*524288 + 1}
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if *longrunning {
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// test broader set of cases if -longruning flag is set
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sizes = append(sizes, 83, 179, 253, 1024, 4095, 4096, 8191, 8192, 8193, 12287, 12288, 12289, 123456, 2345678, 67298391, 524288, 524288+4096, 524288+4097, 7*524288, 7*524288+4096, 7*524288+4097, 128*524288, 128*524288+4096, 128*524288+4097, 816778334)
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}
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for _, n := range sizes {
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testLocalStoreAndRetrieve(t, swarm, n, true)
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testLocalStoreAndRetrieve(t, swarm, n, false)
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}
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}
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// testLocalStoreAndRetrieve is using a single Swarm instance, to upload
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// a file of length n with optional random data using API Store function,
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// and checks the output of API Retrieve function on the same instance.
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// This is a regression test for issue
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// https://github.com/ethersphere/go-ethereum/issues/639
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// where pyramid chunker did not split correctly files with lengths that
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// are edge cases for chunk and tree parameters, depending whether there
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// is a tree chunk with only one data chunk and how the compress functionality
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// changed the tree.
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func testLocalStoreAndRetrieve(t *testing.T, swarm *Swarm, n int, randomData bool) {
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slice := make([]byte, n)
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if randomData {
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rand.Seed(time.Now().UnixNano())
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rand.Read(slice)
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}
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dataPut := string(slice)
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k, wait, err := swarm.api.Store(strings.NewReader(dataPut), int64(len(dataPut)), false)
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if err != nil {
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t.Fatal(err)
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}
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if wait != nil {
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wait()
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}
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r, _ := swarm.api.Retrieve(k)
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d, err := ioutil.ReadAll(r)
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if err != nil {
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t.Fatal(err)
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}
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dataGet := string(d)
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if len(dataPut) != len(dataGet) {
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t.Fatalf("data not matched: length expected %v, got %v", len(dataPut), len(dataGet))
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} else {
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if dataPut != dataGet {
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t.Fatal("data not matched")
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}
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}
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}
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