mirror of https://github.com/perkeep/perkeep.git
147 lines
3.7 KiB
Go
147 lines
3.7 KiB
Go
/*
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Copyright 2013 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package gethandler
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import (
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"bytes"
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"errors"
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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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"os"
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"strings"
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"testing"
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"camlistore.org/pkg/blob"
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)
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func TestBlobFromURLPath(t *testing.T) {
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br := blobFromURLPath("/foo/bar/camli/sha1-f1d2d2f924e986ac86fdf7b36c94bcdf32beec15")
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if !br.Valid() {
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t.Fatal("nothing found")
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}
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want := blob.MustParse("sha1-f1d2d2f924e986ac86fdf7b36c94bcdf32beec15")
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if want != br {
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t.Fatalf("got = %v; want %v", br, want)
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}
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}
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func TestServeBlobRef_UTF8(t *testing.T) {
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testServeBlobContents(t, "foo", "text/plain; charset=utf-8")
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}
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func TestServeBlobRef_Binary(t *testing.T) {
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testServeBlobContents(t, "foo\xff\x00\x80", "application/octet-stream")
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}
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func TestServeBlobRef_Missing(t *testing.T) {
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rr := testServeBlobRef(nil, fetcher{})
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if rr.Code != 404 {
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t.Errorf("Response code = %d; want 404", rr.Code)
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}
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}
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func TestServeBlobRef_Error(t *testing.T) {
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rr := testServeBlobRef(nil, fetcher{size: -1})
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if rr.Code != 500 {
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t.Errorf("Response code = %d; want 500", rr.Code)
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}
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}
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func TestServeBlobRef_Range(t *testing.T) {
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req, _ := http.NewRequest("GET", "/path/isn't/used", nil)
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req.Header.Set("Range", "bytes=0-2")
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br := blob.MustParse("foo-000")
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rr := httptest.NewRecorder()
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rr.Body = new(bytes.Buffer)
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ServeBlobRef(rr, req, br, fetcher{strings.NewReader("foobar"), 6})
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if rr.Body.String() != "foo" {
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t.Errorf("Got %q; want foo", rr.Body)
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}
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}
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func TestServeBlobRef_Streams(t *testing.T) {
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var whatWasRead bytes.Buffer
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const size = 1 << 20
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testServeBlobRef(failWriter{}, fetcher{
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io.TeeReader(
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strings.NewReader(strings.Repeat("x", size)),
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&whatWasRead),
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size,
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})
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if whatWasRead.Len() == size {
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t.Errorf("handler slurped instead of streamed")
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}
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}
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func testServeBlobContents(t *testing.T, contents, wantType string) {
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rr := testServeBlobRef(nil, fetcher{strings.NewReader(contents), int64(len(contents))})
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if rr.Code != 200 {
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t.Errorf("Response code = %d; want 200", rr.Code)
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}
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if g, w := rr.HeaderMap.Get("Content-Type"), wantType; g != w {
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t.Errorf("Content-Type = %q; want %q", g, w)
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}
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if rr.Body.String() != contents {
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t.Errorf("Wrote %q; want %q", rr.Body.String(), contents)
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}
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}
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func testServeBlobRef(w io.Writer, fetcher blob.Fetcher) *httptest.ResponseRecorder {
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req, _ := http.NewRequest("GET", "/path/isn't/used", nil)
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br := blob.MustParse("foo-123")
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rr := httptest.NewRecorder()
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rr.Body = new(bytes.Buffer)
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var rw http.ResponseWriter = rr
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if w != nil {
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rw = &altWriterRecorder{io.MultiWriter(w, rr.Body), rr}
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}
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ServeBlobRef(rw, req, br, fetcher)
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return rr
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}
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type fetcher struct {
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r io.Reader
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size int64
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}
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func (f fetcher) Fetch(br blob.Ref) (rc io.ReadCloser, size uint32, err error) {
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if f.r == nil {
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if f.size < 0 {
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return nil, 0, errors.New("some other error type")
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}
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return nil, 0, os.ErrNotExist
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}
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if rc, ok := f.r.(io.ReadCloser); ok {
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return rc, uint32(f.size), nil
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}
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return ioutil.NopCloser(f.r), uint32(f.size), nil
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}
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type altWriterRecorder struct {
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w io.Writer
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*httptest.ResponseRecorder
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}
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func (a *altWriterRecorder) Write(p []byte) (int, error) { return a.w.Write(p) }
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type failWriter struct{}
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func (failWriter) Write([]byte) (int, error) { return 0, errors.New("failed to write") }
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