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