diff options
Diffstat (limited to 'libgo/go/net/http/sniff_test.go')
-rw-r--r-- | libgo/go/net/http/sniff_test.go | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/libgo/go/net/http/sniff_test.go b/libgo/go/net/http/sniff_test.go new file mode 100644 index 0000000..a414e64 --- /dev/null +++ b/libgo/go/net/http/sniff_test.go @@ -0,0 +1,81 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package http_test + +import ( + "bytes" + "io/ioutil" + "log" + . "net/http" + "net/http/httptest" + "strconv" + "testing" +) + +var sniffTests = []struct { + desc string + data []byte + contentType string +}{ + // Some nonsense. + {"Empty", []byte{}, "text/plain; charset=utf-8"}, + {"Binary", []byte{1, 2, 3}, "application/octet-stream"}, + + {"HTML document #1", []byte(`<HtMl><bOdY>blah blah blah</body></html>`), "text/html; charset=utf-8"}, + {"HTML document #2", []byte(`<HTML></HTML>`), "text/html; charset=utf-8"}, + {"HTML document #3 (leading whitespace)", []byte(` <!DOCTYPE HTML>...`), "text/html; charset=utf-8"}, + {"HTML document #4 (leading CRLF)", []byte("\r\n<html>..."), "text/html; charset=utf-8"}, + + {"Plain text", []byte(`This is not HTML. It has ☃ though.`), "text/plain; charset=utf-8"}, + + {"XML", []byte("\n<?xml!"), "text/xml; charset=utf-8"}, + + // Image types. + {"GIF 87a", []byte(`GIF87a`), "image/gif"}, + {"GIF 89a", []byte(`GIF89a...`), "image/gif"}, + + // TODO(dsymonds): Re-enable this when the spec is sorted w.r.t. MP4. + //{"MP4 video", []byte("\x00\x00\x00\x18ftypmp42\x00\x00\x00\x00mp42isom<\x06t\xbfmdat"), "video/mp4"}, + //{"MP4 audio", []byte("\x00\x00\x00\x20ftypM4A \x00\x00\x00\x00M4A mp42isom\x00\x00\x00\x00"), "audio/mp4"}, +} + +func TestDetectContentType(t *testing.T) { + for _, tt := range sniffTests { + ct := DetectContentType(tt.data) + if ct != tt.contentType { + t.Errorf("%v: DetectContentType = %q, want %q", tt.desc, ct, tt.contentType) + } + } +} + +func TestServerContentType(t *testing.T) { + ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) { + i, _ := strconv.Atoi(r.FormValue("i")) + tt := sniffTests[i] + n, err := w.Write(tt.data) + if n != len(tt.data) || err != nil { + log.Fatalf("%v: Write(%q) = %v, %v want %d, nil", tt.desc, tt.data, n, err, len(tt.data)) + } + })) + defer ts.Close() + + for i, tt := range sniffTests { + resp, err := Get(ts.URL + "/?i=" + strconv.Itoa(i)) + if err != nil { + t.Errorf("%v: %v", tt.desc, err) + continue + } + if ct := resp.Header.Get("Content-Type"); ct != tt.contentType { + t.Errorf("%v: Content-Type = %q, want %q", tt.desc, ct, tt.contentType) + } + data, err := ioutil.ReadAll(resp.Body) + if err != nil { + t.Errorf("%v: reading body: %v", tt.desc, err) + } else if !bytes.Equal(data, tt.data) { + t.Errorf("%v: data is %q, want %q", tt.desc, data, tt.data) + } + resp.Body.Close() + } +} |