79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
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// 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 multipart
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import (
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"bytes"
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"io/ioutil"
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"testing"
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)
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func TestWriter(t *testing.T) {
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fileContents := []byte("my file contents")
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var b bytes.Buffer
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w := NewWriter(&b)
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{
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part, err := w.CreateFormFile("myfile", "my-file.txt")
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if err != nil {
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t.Fatalf("CreateFormFile: %v", err)
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}
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part.Write(fileContents)
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err = w.WriteField("key", "val")
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if err != nil {
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t.Fatalf("WriteField: %v", err)
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}
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part.Write([]byte("val"))
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err = w.Close()
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if err != nil {
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t.Fatalf("Close: %v", err)
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}
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s := b.String()
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if len(s) == 0 {
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t.Fatal("String: unexpected empty result")
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}
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if s[0] == '\r' || s[0] == '\n' {
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t.Fatal("String: unexpected newline")
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}
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}
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r := NewReader(&b, w.Boundary())
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part, err := r.NextPart()
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if err != nil {
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t.Fatalf("part 1: %v", err)
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}
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if g, e := part.FormName(), "myfile"; g != e {
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t.Errorf("part 1: want form name %q, got %q", e, g)
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}
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slurp, err := ioutil.ReadAll(part)
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if err != nil {
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t.Fatalf("part 1: ReadAll: %v", err)
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}
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if e, g := string(fileContents), string(slurp); e != g {
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t.Errorf("part 1: want contents %q, got %q", e, g)
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}
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part, err = r.NextPart()
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if err != nil {
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t.Fatalf("part 2: %v", err)
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}
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if g, e := part.FormName(), "key"; g != e {
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t.Errorf("part 2: want form name %q, got %q", e, g)
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}
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slurp, err = ioutil.ReadAll(part)
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if err != nil {
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t.Fatalf("part 2: ReadAll: %v", err)
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}
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if e, g := "val", string(slurp); e != g {
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t.Errorf("part 2: want contents %q, got %q", e, g)
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}
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part, err = r.NextPart()
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if part != nil || err == nil {
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t.Fatalf("expected end of parts; got %v, %v", part, err)
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}
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}
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