header_test.go

     1  // Copyright 2010 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package textproto
     6  
     7  import "testing"
     8  
     9  type canonicalHeaderKeyTest struct {
    10  	in, out string
    11  }
    12  
    13  var canonicalHeaderKeyTests = []canonicalHeaderKeyTest{
    14  	{"a-b-c", "A-B-C"},
    15  	{"a-1-c", "A-1-C"},
    16  	{"User-Agent", "User-Agent"},
    17  	{"uSER-aGENT", "User-Agent"},
    18  	{"user-agent", "User-Agent"},
    19  	{"USER-AGENT", "User-Agent"},
    20  
    21  	// Other valid tchar bytes in tokens:
    22  	{"foo-bar_baz", "Foo-Bar_baz"},
    23  	{"foo-bar$baz", "Foo-Bar$baz"},
    24  	{"foo-bar~baz", "Foo-Bar~baz"},
    25  	{"foo-bar*baz", "Foo-Bar*baz"},
    26  
    27  	// Non-ASCII or anything with spaces or non-token chars is unchanged:
    28  	{"üser-agenT", "üser-agenT"},
    29  	{"a B", "a B"},
    30  
    31  	// This caused a panic due to mishandling of a space:
    32  	{"C Ontent-Transfer-Encoding", "C Ontent-Transfer-Encoding"},
    33  	{"foo bar", "foo bar"},
    34  }
    35  
    36  func TestCanonicalMIMEHeaderKey(t *testing.T) {
    37  	for _, tt := range canonicalHeaderKeyTests {
    38  		if s := CanonicalMIMEHeaderKey(tt.in); s != tt.out {
    39  			t.Errorf("CanonicalMIMEHeaderKey(%q) = %q, want %q", tt.in, s, tt.out)
    40  		}
    41  	}
    42  }
    43  
    44  // Issue #34799 add a Header method to get multiple values []string, with canonicalized key
    45  func TestMIMEHeaderMultipleValues(t *testing.T) {
    46  	testHeader := MIMEHeader{
    47  		"Set-Cookie": {"cookie 1", "cookie 2"},
    48  	}
    49  	values := testHeader.Values("set-cookie")
    50  	n := len(values)
    51  	if n != 2 {
    52  		t.Errorf("count: %d; want 2", n)
    53  	}
    54  }
    55
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