diff options
Diffstat (limited to 'src/net/http/cgi/child_test.go')
-rw-r--r-- | src/net/http/cgi/child_test.go | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/net/http/cgi/child_test.go b/src/net/http/cgi/child_test.go index 14e0af475f..f6ecb6eb80 100644 --- a/src/net/http/cgi/child_test.go +++ b/src/net/http/cgi/child_test.go @@ -7,6 +7,11 @@ package cgi import ( + "bufio" + "bytes" + "net/http" + "net/http/httptest" + "strings" "testing" ) @@ -148,3 +153,67 @@ func TestRequestWithoutRemotePort(t *testing.T) { t.Errorf("RemoteAddr: got %q; want %q", g, e) } } + +type countingWriter int + +func (c *countingWriter) Write(p []byte) (int, error) { + *c += countingWriter(len(p)) + return len(p), nil +} +func (c *countingWriter) WriteString(p string) (int, error) { + *c += countingWriter(len(p)) + return len(p), nil +} + +func TestResponse(t *testing.T) { + var tests = []struct { + name string + body string + wantCT string + }{ + { + name: "no body", + wantCT: "text/plain; charset=utf-8", + }, + { + name: "html", + body: "<html><head><title>test page</title></head><body>This is a body</body></html>", + wantCT: "text/html; charset=utf-8", + }, + { + name: "text", + body: strings.Repeat("gopher", 86), + wantCT: "text/plain; charset=utf-8", + }, + { + name: "jpg", + body: "\xFF\xD8\xFF" + strings.Repeat("B", 1024), + wantCT: "image/jpeg", + }, + } + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + var buf bytes.Buffer + resp := response{ + req: httptest.NewRequest("GET", "/", nil), + header: http.Header{}, + bufw: bufio.NewWriter(&buf), + } + n, err := resp.Write([]byte(tt.body)) + if err != nil { + t.Errorf("Write: unexpected %v", err) + } + if want := len(tt.body); n != want { + t.Errorf("reported short Write: got %v want %v", n, want) + } + resp.writeCGIHeader(nil) + resp.Flush() + if got := resp.Header().Get("Content-Type"); got != tt.wantCT { + t.Errorf("wrong content-type: got %q, want %q", got, tt.wantCT) + } + if !bytes.HasSuffix(buf.Bytes(), []byte(tt.body)) { + t.Errorf("body was not correctly written") + } + }) + } +} |