docker/pkg/httputils/httputils_test.go

116 строки
3.5 KiB
Go

package httputils
import (
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func TestDownload(t *testing.T) {
expected := "Hello, docker !"
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, expected)
}))
defer ts.Close()
response, err := Download(ts.URL)
if err != nil {
t.Fatal(err)
}
actual, err := ioutil.ReadAll(response.Body)
response.Body.Close()
if err != nil || string(actual) != expected {
t.Fatalf("Expected the response %q, got err:%q, actual:%q", expected, err, string(actual))
}
}
func TestDownload400Errors(t *testing.T) {
expectedError := "Got HTTP status code >= 400: 403 Forbidden"
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// 403
http.Error(w, "something failed (forbidden)", http.StatusForbidden)
}))
defer ts.Close()
// Expected status code = 403
if _, err := Download(ts.URL); err == nil || err.Error() != expectedError {
t.Fatalf("Expected the error %q, got %q", expectedError, err)
}
}
func TestDownloadOtherErrors(t *testing.T) {
if _, err := Download("I'm not an url.."); err == nil || !strings.Contains(err.Error(), "unsupported protocol scheme") {
t.Fatalf("Expected an error with 'unsupported protocol scheme', got %q", err)
}
}
func TestNewHTTPRequestError(t *testing.T) {
errorMessage := "Some error message"
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// 403
http.Error(w, errorMessage, http.StatusForbidden)
}))
defer ts.Close()
httpResponse, err := http.Get(ts.URL)
if err != nil {
t.Fatal(err)
}
if err := NewHTTPRequestError(errorMessage, httpResponse); err.Error() != errorMessage {
t.Fatalf("Expected err to be %q, got %q", errorMessage, err)
}
}
func TestParseServerHeader(t *testing.T) {
inputs := map[string][]string{
"bad header": {"error"},
"(bad header)": {"error"},
"(without/spaces)": {"error"},
"(header/with spaces)": {"error"},
"foo/bar (baz)": {"foo", "bar", "baz"},
"foo/bar": {"error"},
"foo": {"error"},
"foo/bar (baz space)": {"foo", "bar", "baz space"},
" f f / b b ( b s ) ": {"f f", "b b", "b s"},
"foo/bar (baz) ignore": {"foo", "bar", "baz"},
"foo/bar ()": {"error"},
"foo/bar()": {"error"},
"foo/bar(baz)": {"foo", "bar", "baz"},
"foo/bar/zzz(baz)": {"foo/bar", "zzz", "baz"},
"foo/bar(baz/abc)": {"foo", "bar", "baz/abc"},
"foo/bar(baz (abc))": {"foo", "bar", "baz (abc)"},
}
for header, values := range inputs {
serverHeader, err := ParseServerHeader(header)
if err != nil {
if err != errInvalidHeader {
t.Fatalf("Failed to parse %q, and got some unexpected error: %q", header, err)
}
if values[0] == "error" {
continue
}
t.Fatalf("Header %q failed to parse when it shouldn't have", header)
}
if values[0] == "error" {
t.Fatalf("Header %q parsed ok when it should have failed(%q).", header, serverHeader)
}
if serverHeader.App != values[0] {
t.Fatalf("Expected serverHeader.App for %q to equal %q, got %q", header, values[0], serverHeader.App)
}
if serverHeader.Ver != values[1] {
t.Fatalf("Expected serverHeader.Ver for %q to equal %q, got %q", header, values[1], serverHeader.Ver)
}
if serverHeader.OS != values[2] {
t.Fatalf("Expected serverHeader.OS for %q to equal %q, got %q", header, values[2], serverHeader.OS)
}
}
}