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How to use Hash method of html Package

Best K6 code snippet using html.Hash

manifest_test.go

Source:manifest_test.go

...92	}93	if encrypt {94		args = append(args, "--encrypt")95	}96	origManifestHash := runSwarmExpectHash(t, args...)97	checkHashLength(t, origManifestHash, encrypt)98	client := swarm.NewClient(srv.URL)99	// upload a new file and use its manifest to add it the original manifest.100	t.Run("add", func(t *testing.T) {101		humansData := []byte("Ann\nBob")102		humansDataFilename := filepath.Join(tmp, "humans.txt")103		err = ioutil.WriteFile(humansDataFilename, humansData, 0666)104		if err != nil {105			t.Fatal(err)106		}107		humansManifestHash := runSwarmExpectHash(t,108			"--bzzapi",109			srv.URL,110			"up",111			humansDataFilename,112		)113		newManifestHash := runSwarmExpectHash(t,114			"--bzzapi",115			srv.URL,116			"manifest",117			"add",118			origManifestHash,119			"humans.txt",120			humansManifestHash,121		)122		checkHashLength(t, newManifestHash, encrypt)123		newManifest := downloadManifest(t, client, newManifestHash, encrypt)124		var found bool125		for _, e := range newManifest.Entries {126			if e.Path == "humans.txt" {127				found = true128				if e.Size != int64(len(humansData)) {129					t.Errorf("expected humans.txt size %v, got %v", len(humansData), e.Size)130				}131				if e.ModTime.IsZero() {132					t.Errorf("got zero mod time for humans.txt")133				}134				ct := "text/plain; charset=utf-8"135				if e.ContentType != ct {136					t.Errorf("expected content type %q, got %q", ct, e.ContentType)137				}138				break139			}140		}141		if !found {142			t.Fatal("no humans.txt in new manifest")143		}144		checkFile(t, client, newManifestHash, "humans.txt", humansData)145	})146	// upload a new file and use its manifest to add it the original manifest,147	// but ensure that the file will be in the nested manifest of the original one.148	t.Run("add nested", func(t *testing.T) {149		robotsData := []byte(`{"disallow": "/"}`)150		robotsDataFilename := filepath.Join(tmp, "robots.json")151		err = ioutil.WriteFile(robotsDataFilename, robotsData, 0666)152		if err != nil {153			t.Fatal(err)154		}155		robotsManifestHash := runSwarmExpectHash(t,156			"--bzzapi",157			srv.URL,158			"up",159			robotsDataFilename,160		)161		newManifestHash := runSwarmExpectHash(t,162			"--bzzapi",163			srv.URL,164			"manifest",165			"add",166			origManifestHash,167			"robots.json",168			robotsManifestHash,169		)170		checkHashLength(t, newManifestHash, encrypt)171		newManifest := downloadManifest(t, client, newManifestHash, encrypt)172		var found bool173	loop:174		for _, e := range newManifest.Entries {175			if e.Path == "robots." {176				nestedManifest := downloadManifest(t, client, e.Hash, encrypt)177				for _, e := range nestedManifest.Entries {178					if e.Path == "json" {179						found = true180						if e.Size != int64(len(robotsData)) {181							t.Errorf("expected robots.json size %v, got %v", len(robotsData), e.Size)182						}183						if e.ModTime.IsZero() {184							t.Errorf("got zero mod time for robots.json")185						}186						ct := "application/json"187						if e.ContentType != ct {188							t.Errorf("expected content type %q, got %q", ct, e.ContentType)189						}190						break loop191					}192				}193			}194		}195		if !found {196			t.Fatal("no robots.json in new manifest")197		}198		checkFile(t, client, newManifestHash, "robots.json", robotsData)199	})200	// upload a new file and use its manifest to change the file it the original manifest.201	t.Run("update", func(t *testing.T) {202		indexData := []byte("<h1>Ethereum Swarm</h1>")203		indexDataFilename := filepath.Join(tmp, "index.html")204		err = ioutil.WriteFile(indexDataFilename, indexData, 0666)205		if err != nil {206			t.Fatal(err)207		}208		indexManifestHash := runSwarmExpectHash(t,209			"--bzzapi",210			srv.URL,211			"up",212			indexDataFilename,213		)214		newManifestHash := runSwarmExpectHash(t,215			"--bzzapi",216			srv.URL,217			"manifest",218			"update",219			origManifestHash,220			"index.html",221			indexManifestHash,222		)223		checkHashLength(t, newManifestHash, encrypt)224		newManifest := downloadManifest(t, client, newManifestHash, encrypt)225		var found bool226		for _, e := range newManifest.Entries {227			if e.Path == "index.html" {228				found = true229				if e.Size != int64(len(indexData)) {230					t.Errorf("expected index.html size %v, got %v", len(indexData), e.Size)231				}232				if e.ModTime.IsZero() {233					t.Errorf("got zero mod time for index.html")234				}235				ct := "text/html; charset=utf-8"236				if e.ContentType != ct {237					t.Errorf("expected content type %q, got %q", ct, e.ContentType)238				}239				break240			}241		}242		if !found {243			t.Fatal("no index.html in new manifest")244		}245		checkFile(t, client, newManifestHash, "index.html", indexData)246		// check default entry change247		checkFile(t, client, newManifestHash, "", indexData)248	})249	// upload a new file and use its manifest to change the file it the original manifest,250	// but ensure that the file is in the nested manifest of the original one.251	t.Run("update nested", func(t *testing.T) {252		robotsData := []byte(`<string>Only humans allowed!!!</strong>`)253		robotsDataFilename := filepath.Join(tmp, "robots.html")254		err = ioutil.WriteFile(robotsDataFilename, robotsData, 0666)255		if err != nil {256			t.Fatal(err)257		}258		humansManifestHash := runSwarmExpectHash(t,259			"--bzzapi",260			srv.URL,261			"up",262			robotsDataFilename,263		)264		newManifestHash := runSwarmExpectHash(t,265			"--bzzapi",266			srv.URL,267			"manifest",268			"update",269			origManifestHash,270			"robots.html",271			humansManifestHash,272		)273		checkHashLength(t, newManifestHash, encrypt)274		newManifest := downloadManifest(t, client, newManifestHash, encrypt)275		var found bool276	loop:277		for _, e := range newManifest.Entries {278			if e.Path == "robots." {279				nestedManifest := downloadManifest(t, client, e.Hash, encrypt)280				for _, e := range nestedManifest.Entries {281					if e.Path == "html" {282						found = true283						if e.Size != int64(len(robotsData)) {284							t.Errorf("expected robots.html size %v, got %v", len(robotsData), e.Size)285						}286						if e.ModTime.IsZero() {287							t.Errorf("got zero mod time for robots.html")288						}289						ct := "text/html; charset=utf-8"290						if e.ContentType != ct {291							t.Errorf("expected content type %q, got %q", ct, e.ContentType)292						}293						break loop294					}295				}296			}297		}298		if !found {299			t.Fatal("no robots.html in new manifest")300		}301		checkFile(t, client, newManifestHash, "robots.html", robotsData)302	})303	// remove a file from the manifest.304	t.Run("remove", func(t *testing.T) {305		newManifestHash := runSwarmExpectHash(t,306			"--bzzapi",307			srv.URL,308			"manifest",309			"remove",310			origManifestHash,311			"mutants.txt",312		)313		checkHashLength(t, newManifestHash, encrypt)314		newManifest := downloadManifest(t, client, newManifestHash, encrypt)315		var found bool316		for _, e := range newManifest.Entries {317			if e.Path == "mutants.txt" {318				found = true319				break320			}321		}322		if found {323			t.Fatal("mutants.txt is not removed")324		}325	})326	// remove a file from the manifest, but ensure that the file is in327	// the nested manifest of the original one.328	t.Run("remove nested", func(t *testing.T) {329		newManifestHash := runSwarmExpectHash(t,330			"--bzzapi",331			srv.URL,332			"manifest",333			"remove",334			origManifestHash,335			"robots.html",336		)337		checkHashLength(t, newManifestHash, encrypt)338		newManifest := downloadManifest(t, client, newManifestHash, encrypt)339		var found bool340	loop:341		for _, e := range newManifest.Entries {342			if e.Path == "robots." {343				nestedManifest := downloadManifest(t, client, e.Hash, encrypt)344				for _, e := range nestedManifest.Entries {345					if e.Path == "html" {346						found = true347						break loop348					}349				}350			}351		}352		if found {353			t.Fatal("robots.html in not removed")354		}355	})356}357// TestNestedDefaultEntryUpdate tests if the default entry is updated358// if the file in nested manifest used for it is also updated.359func TestNestedDefaultEntryUpdate(t *testing.T) {360	if runtime.GOOS == "windows" {361		t.Skip()362	}363	testNestedDefaultEntryUpdate(t, false)364}365// TestNestedDefaultEntryUpdateEncrypted tests if the default entry366// of encrypted upload is updated if the file in nested manifest367// used for it is also updated.368func TestNestedDefaultEntryUpdateEncrypted(t *testing.T) {369	if runtime.GOOS == "windows" {370		t.Skip()371	}372	testNestedDefaultEntryUpdate(t, true)373}374func testNestedDefaultEntryUpdate(t *testing.T, encrypt bool) {375	t.Parallel()376	srv := swarmhttp.NewTestSwarmServer(t, serverFunc, nil)377	defer srv.Close()378	tmp, err := ioutil.TempDir("", "swarm-manifest-test")379	if err != nil {380		t.Fatal(err)381	}382	defer os.RemoveAll(tmp)383	origDir := filepath.Join(tmp, "orig")384	if err := os.Mkdir(origDir, 0777); err != nil {385		t.Fatal(err)386	}387	indexData := []byte("<h1>Test</h1>")388	indexDataFilename := filepath.Join(origDir, "index.html")389	err = ioutil.WriteFile(indexDataFilename, indexData, 0666)390	if err != nil {391		t.Fatal(err)392	}393	// Add another file with common prefix as the default entry to test updates of394	// default entry with nested manifests.395	err = ioutil.WriteFile(filepath.Join(origDir, "index.txt"), []byte("Test"), 0666)396	if err != nil {397		t.Fatal(err)398	}399	args := []string{400		"--bzzapi",401		srv.URL,402		"--recursive",403		"--defaultpath",404		indexDataFilename,405		"up",406		origDir,407	}408	if encrypt {409		args = append(args, "--encrypt")410	}411	origManifestHash := runSwarmExpectHash(t, args...)412	checkHashLength(t, origManifestHash, encrypt)413	client := swarm.NewClient(srv.URL)414	newIndexData := []byte("<h1>Ethereum Swarm</h1>")415	newIndexDataFilename := filepath.Join(tmp, "index.html")416	err = ioutil.WriteFile(newIndexDataFilename, newIndexData, 0666)417	if err != nil {418		t.Fatal(err)419	}420	newIndexManifestHash := runSwarmExpectHash(t,421		"--bzzapi",422		srv.URL,423		"up",424		newIndexDataFilename,425	)426	newManifestHash := runSwarmExpectHash(t,427		"--bzzapi",428		srv.URL,429		"manifest",430		"update",431		origManifestHash,432		"index.html",433		newIndexManifestHash,434	)435	checkHashLength(t, newManifestHash, encrypt)436	newManifest := downloadManifest(t, client, newManifestHash, encrypt)437	var found bool438	for _, e := range newManifest.Entries {439		if e.Path == "index." {440			found = true441			newManifest = downloadManifest(t, client, e.Hash, encrypt)442			break443		}444	}445	if !found {446		t.Fatal("no index. path in new manifest")447	}448	found = false449	for _, e := range newManifest.Entries {450		if e.Path == "html" {451			found = true452			if e.Size != int64(len(newIndexData)) {453				t.Errorf("expected index.html size %v, got %v", len(newIndexData), e.Size)454			}455			if e.ModTime.IsZero() {456				t.Errorf("got zero mod time for index.html")457			}458			ct := "text/html; charset=utf-8"459			if e.ContentType != ct {460				t.Errorf("expected content type %q, got %q", ct, e.ContentType)461			}462			break463		}464	}465	if !found {466		t.Fatal("no html in new manifest")467	}468	checkFile(t, client, newManifestHash, "index.html", newIndexData)469	// check default entry change470	checkFile(t, client, newManifestHash, "", newIndexData)471}472func runSwarmExpectHash(t *testing.T, args ...string) (hash string) {473	t.Helper()474	hashRegexp := `[a-f\d]{64,128}`475	up := runSwarm(t, args...)476	_, matches := up.ExpectRegexp(hashRegexp)477	up.ExpectExit()478	if len(matches) < 1 {479		t.Fatal("no matches found")480	}481	return matches[0]482}483func checkHashLength(t *testing.T, hash string, encrypted bool) {484	t.Helper()485	l := len(hash)486	if encrypted && l != 128 {487		t.Errorf("expected hash length 128, got %v", l)488	}489	if !encrypted && l != 64 {490		t.Errorf("expected hash length 64, got %v", l)491	}492}493func downloadManifest(t *testing.T, client *swarm.Client, hash string, encrypted bool) (manifest *api.Manifest) {494	t.Helper()495	m, isEncrypted, err := client.DownloadManifest(hash)496	if err != nil {497		t.Fatal(err)...

Hash

Using AI Code Generation

1import (2func main() {3	h := crc32.NewIEEE()4	f, err := os.Open("1.go")5	if err != nil {6		log.Fatal(err)7	}8	defer f.Close()9	if _, err := io.Copy(h, f); err != nil {10		log.Fatal(err)11	}12	fmt.Printf("%x", h.Sum(nil))13}

Hash

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", index)4	http.HandleFunc("/favicon.ico", favicon)5	http.ListenAndServe(":8080", nil)6}7func index(w http.ResponseWriter, req *http.Request) {8	c, err := req.Cookie("session")9	if err != nil {10		sId, _ := uuid.NewV4()11		c = &http.Cookie{12			Value: sId.String(),13		}14	}15	http.SetCookie(w, c)16	io.WriteString(w, c.Value)17}18func favicon(w http.ResponseWriter, req *http.Request) {19	http.ServeFile(w, req, "favicon.ico")20}21import (22func main() {23	http.HandleFunc("/", index)24	http.HandleFunc("/favicon.ico", favicon)25	http.ListenAndServe(":8080", nil)26}27func index(w http.ResponseWriter, req *http.Request) {28	c, err := req.Cookie("session")29	if err != nil {30		sId, _ := uuid.NewV4()31		c = &http.Cookie{32			Value: sId.String(),33		}34	}35	http.SetCookie(w, c)36	io.WriteString(w, c.Value)37}38func favicon(w http.ResponseWriter, req *http.Request) {39	http.ServeFile(w, req, "favicon.ico")40}41import (42func main() {43	http.HandleFunc("/", index)44	http.HandleFunc("/favicon.ico", favicon)45	http.ListenAndServe(":8080", nil)46}47func index(w http.ResponseWriter, req *http.Request) {48	c, err := req.Cookie("session")49	if err != nil {50		sId, _ := uuid.NewV4()51		c = &http.Cookie{52			Value: sId.String(),53		}54	}55	http.SetCookie(w, c)56	io.WriteString(w, c.Value)57}58func favicon(w http.ResponseWriter, req *

Hash

Using AI Code Generation

1import (2func main() {3	start := time.Now()4	ch := make(chan string)5	for _, url := range os.Args[1:] {6	}7	for range os.Args[1:] {8	}9	fmt.Printf("%.2fs elapsed\n", time.Since(start).Seconds())10}11func fetch(url string, ch chan<- string) {12	start := time.Now()13	resp, err := http.Get(url)14	if err != nil {15	}

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