Update httputils tests
- Make sure we use httptest instead of depending on network - Update resumablerequestreader tests Signed-off-by: Vincent Demeester <vincent@sbr.pm>
This commit is contained in:
Vincent Demeester
parent
825f8fb744
commit
273bb7f859
2 changed files with 273 additions and 9 deletions
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@ -1,25 +1,65 @@
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package httputils
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import "testing"
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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)
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func TestDownload(t *testing.T) {
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_, err := Download("http://docker.com")
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expected := "Hello, docker !"
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(w, expected)
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}))
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defer ts.Close()
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response, err := Download(ts.URL)
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if err != nil {
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t.Fatalf("Expected error to not exist when Download(http://docker.com)")
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t.Fatal(err)
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}
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// Expected status code = 404
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if _, err = Download("http://docker.com/abc1234567"); err == nil {
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t.Fatalf("Expected error to exist when Download(http://docker.com/abc1234567)")
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actual, err := ioutil.ReadAll(response.Body)
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response.Body.Close()
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if err != nil || string(actual) != expected {
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t.Fatalf("Expected the response %q, got err:%v, response:%v, actual:%s", expected, err, response, string(actual))
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}
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}
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func TestDownload400Errors(t *testing.T) {
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expectedError := "Got HTTP status code >= 400: 403 Forbidden"
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// 403
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http.Error(w, "something failed (forbidden)", http.StatusForbidden)
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}))
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defer ts.Close()
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// Expected status code = 403
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if _, err := Download(ts.URL); err == nil || err.Error() != expectedError {
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t.Fatalf("Expected the the error %q, got %v", expectedError, err)
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}
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}
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func TestDownloadOtherErrors(t *testing.T) {
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if _, err := Download("I'm not an url.."); err == nil || !strings.Contains(err.Error(), "unsupported protocol scheme") {
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t.Fatalf("Expected an error with 'unsupported protocol scheme', got %v", err)
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}
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}
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func TestNewHTTPRequestError(t *testing.T) {
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errorMessage := "Some error message"
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httpResponse, _ := Download("http://docker.com")
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// 403
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http.Error(w, errorMessage, http.StatusForbidden)
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}))
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defer ts.Close()
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httpResponse, err := http.Get(ts.URL)
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if err != nil {
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t.Fatal(err)
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}
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if err := NewHTTPRequestError(errorMessage, httpResponse); err.Error() != errorMessage {
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t.Fatalf("Expected err to equal error Message")
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t.Fatalf("Expected err to be %q, got %v", errorMessage, err)
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}
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}
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@ -2,6 +2,7 @@ package httputils
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import (
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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@ -9,6 +10,229 @@ import (
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"testing"
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)
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func TestResumableRequestHeaderSimpleErrors(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, "Hello, world !")
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}))
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defer ts.Close()
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client := &http.Client{}
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var req *http.Request
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req, err := http.NewRequest("GET", ts.URL, nil)
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if err != nil {
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t.Fatal(err)
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}
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expectedError := "client and request can't be nil\n"
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resreq := &resumableRequestReader{}
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_, err = resreq.Read([]byte{})
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if err == nil || err.Error() != expectedError {
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t.Fatalf("Expected an error with '%s', got %v.", expectedError, err)
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}
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resreq = &resumableRequestReader{
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client: client,
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request: req,
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totalSize: -1,
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}
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expectedError = "failed to auto detect content length"
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_, err = resreq.Read([]byte{})
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if err == nil || err.Error() != expectedError {
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t.Fatalf("Expected an error with '%s', got %v.", expectedError, err)
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}
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}
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// Not too much failures, bails out after some wait
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func TestResumableRequestHeaderNotTooMuchFailures(t *testing.T) {
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client := &http.Client{}
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var badReq *http.Request
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badReq, err := http.NewRequest("GET", "I'm not an url", nil)
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if err != nil {
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t.Fatal(err)
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}
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resreq := &resumableRequestReader{
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client: client,
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request: badReq,
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failures: 0,
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maxFailures: 2,
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}
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read, err := resreq.Read([]byte{})
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if err != nil || read != 0 {
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t.Fatalf("Expected no error and no byte read, got err:%v, read:%v.", err, read)
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}
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}
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// Too much failures, returns the error
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func TestResumableRequestHeaderTooMuchFailures(t *testing.T) {
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client := &http.Client{}
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var badReq *http.Request
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badReq, err := http.NewRequest("GET", "I'm not an url", nil)
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if err != nil {
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t.Fatal(err)
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}
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resreq := &resumableRequestReader{
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client: client,
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request: badReq,
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failures: 0,
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maxFailures: 1,
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}
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defer resreq.Close()
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expectedError := `Get I%27m%20not%20an%20url: unsupported protocol scheme ""`
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read, err := resreq.Read([]byte{})
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if err == nil || err.Error() != expectedError || read != 0 {
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t.Fatalf("Expected the error '%s', got err:%v, read:%v.", expectedError, err, read)
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}
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}
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type errorReaderCloser struct{}
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func (errorReaderCloser) Close() error { return nil }
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func (errorReaderCloser) Read(p []byte) (n int, err error) {
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return 0, fmt.Errorf("A error occured")
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}
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// If a an unknown error is encountered, return 0, nil and log it
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func TestResumableRequestReaderWithReadError(t *testing.T) {
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var req *http.Request
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req, err := http.NewRequest("GET", "", nil)
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if err != nil {
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t.Fatal(err)
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}
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client := &http.Client{}
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response := &http.Response{
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Status: "500 Internal Server",
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StatusCode: 500,
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ContentLength: 0,
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Close: true,
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Body: errorReaderCloser{},
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}
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resreq := &resumableRequestReader{
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client: client,
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request: req,
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currentResponse: response,
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lastRange: 1,
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totalSize: 1,
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}
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defer resreq.Close()
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buf := make([]byte, 1)
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read, err := resreq.Read(buf)
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if err != nil {
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t.Fatal(err)
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}
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if read != 0 {
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t.Fatalf("Expected to have read nothing, but read %v", read)
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}
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}
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func TestResumableRequestReaderWithEOFWith416Response(t *testing.T) {
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var req *http.Request
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req, err := http.NewRequest("GET", "", nil)
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if err != nil {
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t.Fatal(err)
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}
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client := &http.Client{}
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response := &http.Response{
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Status: "416 Requested Range Not Satisfiable",
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StatusCode: 416,
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ContentLength: 0,
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Close: true,
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Body: ioutil.NopCloser(strings.NewReader("")),
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}
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resreq := &resumableRequestReader{
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client: client,
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request: req,
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currentResponse: response,
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lastRange: 1,
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totalSize: 1,
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}
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defer resreq.Close()
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buf := make([]byte, 1)
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_, err = resreq.Read(buf)
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if err == nil || err != io.EOF {
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t.Fatalf("Expected an io.EOF error, got %v", err)
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}
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}
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func TestResumableRequestReaderWithServerDoesntSupportByteRanges(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Header.Get("Range") == "" {
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t.Fatalf("Expected a Range HTTP header, got nothing")
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}
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}))
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defer ts.Close()
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var req *http.Request
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req, err := http.NewRequest("GET", ts.URL, nil)
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if err != nil {
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t.Fatal(err)
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}
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client := &http.Client{}
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resreq := &resumableRequestReader{
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client: client,
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request: req,
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lastRange: 1,
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}
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defer resreq.Close()
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buf := make([]byte, 2)
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_, err = resreq.Read(buf)
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if err == nil || err.Error() != "the server doesn't support byte ranges" {
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t.Fatalf("Expected an error 'the server doesn't support byte ranges', got %v", err)
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}
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}
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func TestResumableRequestReaderWithZeroTotalSize(t *testing.T) {
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srvtxt := "some response text data"
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, srvtxt)
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}))
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defer ts.Close()
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var req *http.Request
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req, err := http.NewRequest("GET", ts.URL, nil)
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if err != nil {
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t.Fatal(err)
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}
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client := &http.Client{}
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retries := uint32(5)
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resreq := ResumableRequestReader(client, req, retries, 0)
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defer resreq.Close()
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data, err := ioutil.ReadAll(resreq)
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if err != nil {
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t.Fatal(err)
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}
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resstr := strings.TrimSuffix(string(data), "\n")
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if resstr != srvtxt {
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t.Errorf("resstr != srvtxt")
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}
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}
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func TestResumableRequestReader(t *testing.T) {
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srvtxt := "some response text data"
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