github.com/niluplatform/go-nilu@v1.7.4-0.20200912082737-a0cb0776d52c/cmd/swarm/upload_test.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of go-ethereum.
     3  //
     4  // go-ethereum is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // go-ethereum is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU General Public License
    15  // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package main
    18  
    19  import (
    20  	"io"
    21  	"io/ioutil"
    22  	"net/http"
    23  	"os"
    24  	"testing"
    25  )
    26  
    27  // TestCLISwarmUp tests that running 'swarm up' makes the resulting file
    28  // available from all nodes via the HTTP API
    29  func TestCLISwarmUp(t *testing.T) {
    30  	// start 3 node cluster
    31  	t.Log("starting 3 node cluster")
    32  	cluster := newTestCluster(t, 3)
    33  	defer cluster.Shutdown()
    34  
    35  	// create a tmp file
    36  	tmp, err := ioutil.TempFile("", "swarm-test")
    37  	assertNil(t, err)
    38  	defer tmp.Close()
    39  	defer os.Remove(tmp.Name())
    40  	_, err = io.WriteString(tmp, "data")
    41  	assertNil(t, err)
    42  
    43  	// upload the file with 'swarm up' and expect a hash
    44  	t.Log("uploading file with 'swarm up'")
    45  	up := runSwarm(t, "--bzzapi", cluster.Nodes[0].URL, "up", tmp.Name())
    46  	_, matches := up.ExpectRegexp(`[a-f\d]{64}`)
    47  	up.ExpectExit()
    48  	hash := matches[0]
    49  	t.Logf("file uploaded with hash %s", hash)
    50  
    51  	// get the file from the HTTP API of each node
    52  	for _, node := range cluster.Nodes {
    53  		t.Logf("getting file from %s", node.Name)
    54  		res, err := http.Get(node.URL + "/bzz:/" + hash)
    55  		assertNil(t, err)
    56  		assertHTTPResponse(t, res, http.StatusOK, "data")
    57  	}
    58  }
    59  
    60  func assertNil(t *testing.T, err error) {
    61  	if err != nil {
    62  		t.Fatal(err)
    63  	}
    64  }
    65  
    66  func assertHTTPResponse(t *testing.T, res *http.Response, expectedStatus int, expectedBody string) {
    67  	defer res.Body.Close()
    68  	if res.StatusCode != expectedStatus {
    69  		t.Fatalf("expected HTTP status %d, got %s", expectedStatus, res.Status)
    70  	}
    71  	data, err := ioutil.ReadAll(res.Body)
    72  	assertNil(t, err)
    73  	if string(data) != expectedBody {
    74  		t.Fatalf("expected HTTP body %q, got %q", expectedBody, data)
    75  	}
    76  }