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// 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 multipart
import (
"bytes"
"io"
"os"
"regexp"
"strings"
"testing"
)
func TestReadForm(t *testing.T) {
testBody := regexp.MustCompile("\n").ReplaceAllString(message, "\r\n")
b := strings.NewReader(testBody)
r := NewReader(b, boundary)
f, err := r.ReadForm(25)
if err != nil {
t.Fatal("ReadForm:", err)
}
defer f.RemoveAll()
if g, e := f.Value["texta"][0], textaValue; g != e {
t.Errorf("texta value = %q, want %q", g, e)
}
if g, e := f.Value["textb"][0], textbValue; g != e {
t.Errorf("texta value = %q, want %q", g, e)
}
fd := testFile(t, f.File["filea"][0], "filea.txt", fileaContents)
if _, ok := fd.(*os.File); ok {
t.Error("file is *os.File, should not be")
}
fd.Close()
fd = testFile(t, f.File["fileb"][0], "fileb.txt", filebContents)
if _, ok := fd.(*os.File); !ok {
t.Errorf("file has unexpected underlying type %T", fd)
}
fd.Close()
}
func testFile(t *testing.T, fh *FileHeader, efn, econtent string) File {
if fh.Filename != efn {
t.Errorf("filename = %q, want %q", fh.Filename, efn)
}
f, err := fh.Open()
if err != nil {
t.Fatal("opening file:", err)
}
b := new(bytes.Buffer)
_, err = io.Copy(b, f)
if err != nil {
t.Fatal("copying contents:", err)
}
if g := b.String(); g != econtent {
t.Errorf("contents = %q, want %q", g, econtent)
}
return f
}
const (
fileaContents = "This is a test file."
filebContents = "Another test file."
textaValue = "foo"
textbValue = "bar"
boundary = `MyBoundary`
)
const message = `
--MyBoundary
Content-Disposition: form-data; name="filea"; filename="filea.txt"
Content-Type: text/plain
` + fileaContents + `
--MyBoundary
Content-Disposition: form-data; name="fileb"; filename="fileb.txt"
Content-Type: text/plain
` + filebContents + `
--MyBoundary
Content-Disposition: form-data; name="texta"
` + textaValue + `
--MyBoundary
Content-Disposition: form-data; name="textb"
` + textbValue + `
--MyBoundary--
`
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