protoc-gen-go-micro/vendor/google.golang.org/grpc/metadata/metadata_test.go
2017-03-31 18:01:58 +02:00

140 lines
4.2 KiB
Go

/*
*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package metadata
import (
"reflect"
"testing"
)
const binaryValue = string(128)
func TestEncodeKeyValue(t *testing.T) {
for _, test := range []struct {
// input
kin string
vin string
// output
kout string
vout string
}{
{"key", "abc", "key", "abc"},
{"KEY", "abc", "key", "abc"},
{"key-bin", "abc", "key-bin", "YWJj"},
{"key-bin", binaryValue, "key-bin", "woA="},
} {
k, v := encodeKeyValue(test.kin, test.vin)
if k != test.kout || !reflect.DeepEqual(v, test.vout) {
t.Fatalf("encodeKeyValue(%q, %q) = %q, %q, want %q, %q", test.kin, test.vin, k, v, test.kout, test.vout)
}
}
}
func TestDecodeKeyValue(t *testing.T) {
for _, test := range []struct {
// input
kin string
vin string
// output
kout string
vout string
err error
}{
{"a", "abc", "a", "abc", nil},
{"key-bin", "Zm9vAGJhcg==", "key-bin", "foo\x00bar", nil},
{"key-bin", "woA=", "key-bin", binaryValue, nil},
{"a", "abc,efg", "a", "abc,efg", nil},
{"key-bin", "Zm9vAGJhcg==,Zm9vAGJhcg==", "key-bin", "foo\x00bar,foo\x00bar", nil},
} {
k, v, err := DecodeKeyValue(test.kin, test.vin)
if k != test.kout || !reflect.DeepEqual(v, test.vout) || !reflect.DeepEqual(err, test.err) {
t.Fatalf("DecodeKeyValue(%q, %q) = %q, %q, %v, want %q, %q, %v", test.kin, test.vin, k, v, err, test.kout, test.vout, test.err)
}
}
}
func TestPairsMD(t *testing.T) {
for _, test := range []struct {
// input
kv []string
// output
md MD
size int
}{
{[]string{}, MD{}, 0},
{[]string{"k1", "v1", "k2-bin", binaryValue}, New(map[string]string{
"k1": "v1",
"k2-bin": binaryValue,
}), 2},
} {
md := Pairs(test.kv...)
if !reflect.DeepEqual(md, test.md) {
t.Fatalf("Pairs(%v) = %v, want %v", test.kv, md, test.md)
}
if md.Len() != test.size {
t.Fatalf("Pairs(%v) generates md of size %d, want %d", test.kv, md.Len(), test.size)
}
}
}
func TestCopy(t *testing.T) {
const key, val = "key", "val"
orig := Pairs(key, val)
copy := orig.Copy()
if !reflect.DeepEqual(orig, copy) {
t.Errorf("copied value not equal to the original, got %v, want %v", copy, orig)
}
orig[key][0] = "foo"
if v := copy[key][0]; v != val {
t.Errorf("change in original should not affect copy, got %q, want %q", v, val)
}
}
func TestJoin(t *testing.T) {
for _, test := range []struct {
mds []MD
want MD
}{
{[]MD{}, MD{}},
{[]MD{Pairs("foo", "bar")}, Pairs("foo", "bar")},
{[]MD{Pairs("foo", "bar"), Pairs("foo", "baz")}, Pairs("foo", "bar", "foo", "baz")},
{[]MD{Pairs("foo", "bar"), Pairs("foo", "baz"), Pairs("zip", "zap")}, Pairs("foo", "bar", "foo", "baz", "zip", "zap")},
} {
md := Join(test.mds...)
if !reflect.DeepEqual(md, test.want) {
t.Errorf("context's metadata is %v, want %v", md, test.want)
}
}
}