github.com/crowdsecurity/crowdsec@v1.6.1/pkg/cwhub/dataset_test.go (about)

     1  package cwhub
     2  
     3  import (
     4  	"io"
     5  	"net/http"
     6  	"net/http/httptest"
     7  	"os"
     8  	"path/filepath"
     9  	"testing"
    10  
    11  	"github.com/stretchr/testify/assert"
    12  	"github.com/stretchr/testify/require"
    13  
    14  	"github.com/crowdsecurity/go-cs-lib/cstest"
    15  )
    16  
    17  func TestDownloadFile(t *testing.T) {
    18  	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    19  		switch r.URL.Path {
    20  		case "/xx":
    21  			w.WriteHeader(http.StatusOK)
    22  			_, _ = io.WriteString(w, "example content oneoneone")
    23  		default:
    24  			w.WriteHeader(http.StatusNotFound)
    25  			_, _ = io.WriteString(w, "not found")
    26  		}
    27  	}))
    28  	defer ts.Close()
    29  
    30  	dest := filepath.Join(t.TempDir(), "example.txt")
    31  	defer os.Remove(dest)
    32  
    33  	err := downloadFile(ts.URL+"/xx", dest)
    34  	require.NoError(t, err)
    35  
    36  	content, err := os.ReadFile(dest)
    37  	assert.Equal(t, "example content oneoneone", string(content))
    38  	require.NoError(t, err)
    39  
    40  	// bad uri
    41  	err = downloadFile("https://zz.com", dest)
    42  	cstest.RequireErrorContains(t, err, "lookup zz.com")
    43  	cstest.RequireErrorContains(t, err, "no such host")
    44  
    45  	// 404
    46  	err = downloadFile(ts.URL+"/x", dest)
    47  	cstest.RequireErrorContains(t, err, "bad http code 404")
    48  
    49  	// bad target
    50  	err = downloadFile(ts.URL+"/xx", "")
    51  	cstest.RequireErrorContains(t, err, cstest.PathNotFoundMessage)
    52  
    53  	// destination directory does not exist
    54  	err = downloadFile(ts.URL+"/xx", filepath.Join(t.TempDir(), "missing/example.txt"))
    55  	cstest.RequireErrorContains(t, err, cstest.PathNotFoundMessage)
    56  }