mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-25 06:20:24 +00:00
252 lines
6.8 KiB
Go
252 lines
6.8 KiB
Go
/*
|
|
*
|
|
* Copyright 2014 gRPC authors.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
*/
|
|
|
|
package metadata
|
|
|
|
import (
|
|
"reflect"
|
|
"strconv"
|
|
"testing"
|
|
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
func TestPairsMD(t *testing.T) {
|
|
for _, test := range []struct {
|
|
// input
|
|
kv []string
|
|
// output
|
|
md MD
|
|
}{
|
|
{[]string{}, MD{}},
|
|
{[]string{"k1", "v1", "k1", "v2"}, MD{"k1": []string{"v1", "v2"}}},
|
|
} {
|
|
md := Pairs(test.kv...)
|
|
if !reflect.DeepEqual(md, test.md) {
|
|
t.Fatalf("Pairs(%v) = %v, want %v", test.kv, md, test.md)
|
|
}
|
|
}
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestGet(t *testing.T) {
|
|
for _, test := range []struct {
|
|
md MD
|
|
key string
|
|
wantVals []string
|
|
}{
|
|
{md: Pairs("My-Optional-Header", "42"), key: "My-Optional-Header", wantVals: []string{"42"}},
|
|
{md: Pairs("Header", "42", "Header", "43", "Header", "44", "other", "1"), key: "HEADER", wantVals: []string{"42", "43", "44"}},
|
|
{md: Pairs("HEADER", "10"), key: "HEADER", wantVals: []string{"10"}},
|
|
} {
|
|
vals := test.md.Get(test.key)
|
|
if !reflect.DeepEqual(vals, test.wantVals) {
|
|
t.Errorf("value of metadata %v is %v, want %v", test.key, vals, test.wantVals)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSet(t *testing.T) {
|
|
for _, test := range []struct {
|
|
md MD
|
|
setKey string
|
|
setVals []string
|
|
want MD
|
|
}{
|
|
{
|
|
md: Pairs("My-Optional-Header", "42", "other-key", "999"),
|
|
setKey: "Other-Key",
|
|
setVals: []string{"1"},
|
|
want: Pairs("my-optional-header", "42", "other-key", "1"),
|
|
},
|
|
{
|
|
md: Pairs("My-Optional-Header", "42"),
|
|
setKey: "Other-Key",
|
|
setVals: []string{"1", "2", "3"},
|
|
want: Pairs("my-optional-header", "42", "other-key", "1", "other-key", "2", "other-key", "3"),
|
|
},
|
|
{
|
|
md: Pairs("My-Optional-Header", "42"),
|
|
setKey: "Other-Key",
|
|
setVals: []string{},
|
|
want: Pairs("my-optional-header", "42"),
|
|
},
|
|
} {
|
|
test.md.Set(test.setKey, test.setVals...)
|
|
if !reflect.DeepEqual(test.md, test.want) {
|
|
t.Errorf("value of metadata is %v, want %v", test.md, test.want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAppend(t *testing.T) {
|
|
for _, test := range []struct {
|
|
md MD
|
|
appendKey string
|
|
appendVals []string
|
|
want MD
|
|
}{
|
|
{
|
|
md: Pairs("My-Optional-Header", "42"),
|
|
appendKey: "Other-Key",
|
|
appendVals: []string{"1"},
|
|
want: Pairs("my-optional-header", "42", "other-key", "1"),
|
|
},
|
|
{
|
|
md: Pairs("My-Optional-Header", "42"),
|
|
appendKey: "my-OptIoNal-HeAder",
|
|
appendVals: []string{"1", "2", "3"},
|
|
want: Pairs("my-optional-header", "42", "my-optional-header", "1",
|
|
"my-optional-header", "2", "my-optional-header", "3"),
|
|
},
|
|
{
|
|
md: Pairs("My-Optional-Header", "42"),
|
|
appendKey: "my-OptIoNal-HeAder",
|
|
appendVals: []string{},
|
|
want: Pairs("my-optional-header", "42"),
|
|
},
|
|
} {
|
|
test.md.Append(test.appendKey, test.appendVals...)
|
|
if !reflect.DeepEqual(test.md, test.want) {
|
|
t.Errorf("value of metadata is %v, want %v", test.md, test.want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestAppendToOutgoingContext(t *testing.T) {
|
|
// Pre-existing metadata
|
|
ctx := NewOutgoingContext(context.Background(), Pairs("k1", "v1", "k2", "v2"))
|
|
ctx = AppendToOutgoingContext(ctx, "k1", "v3")
|
|
ctx = AppendToOutgoingContext(ctx, "k1", "v4")
|
|
md, ok := FromOutgoingContext(ctx)
|
|
if !ok {
|
|
t.Errorf("Expected MD to exist in ctx, but got none")
|
|
}
|
|
want := Pairs("k1", "v1", "k1", "v3", "k1", "v4", "k2", "v2")
|
|
if !reflect.DeepEqual(md, want) {
|
|
t.Errorf("context's metadata is %v, want %v", md, want)
|
|
}
|
|
|
|
// No existing metadata
|
|
ctx = AppendToOutgoingContext(context.Background(), "k1", "v1")
|
|
md, ok = FromOutgoingContext(ctx)
|
|
if !ok {
|
|
t.Errorf("Expected MD to exist in ctx, but got none")
|
|
}
|
|
want = Pairs("k1", "v1")
|
|
if !reflect.DeepEqual(md, want) {
|
|
t.Errorf("context's metadata is %v, want %v", md, want)
|
|
}
|
|
}
|
|
|
|
func TestAppendToOutgoingContext_Repeated(t *testing.T) {
|
|
ctx := context.Background()
|
|
|
|
for i := 0; i < 100; i = i + 2 {
|
|
ctx1 := AppendToOutgoingContext(ctx, "k", strconv.Itoa(i))
|
|
ctx2 := AppendToOutgoingContext(ctx, "k", strconv.Itoa(i+1))
|
|
|
|
md1, _ := FromOutgoingContext(ctx1)
|
|
md2, _ := FromOutgoingContext(ctx2)
|
|
|
|
if reflect.DeepEqual(md1, md2) {
|
|
t.Fatalf("md1, md2 = %v, %v; should not be equal", md1, md2)
|
|
}
|
|
|
|
ctx = ctx1
|
|
}
|
|
}
|
|
|
|
func TestAppendToOutgoingContext_FromKVSlice(t *testing.T) {
|
|
const k, v = "a", "b"
|
|
kv := []string{k, v}
|
|
ctx := AppendToOutgoingContext(context.Background(), kv...)
|
|
md, _ := FromOutgoingContext(ctx)
|
|
if md[k][0] != v {
|
|
t.Fatalf("md[%q] = %q; want %q", k, md[k], v)
|
|
}
|
|
kv[1] = "xxx"
|
|
md, _ = FromOutgoingContext(ctx)
|
|
if md[k][0] != v {
|
|
t.Fatalf("md[%q] = %q; want %q", k, md[k], v)
|
|
}
|
|
}
|
|
|
|
// Old/slow approach to adding metadata to context
|
|
func Benchmark_AddingMetadata_ContextManipulationApproach(b *testing.B) {
|
|
// TODO: Add in N=1-100 tests once Go1.6 support is removed.
|
|
const num = 10
|
|
for n := 0; n < b.N; n++ {
|
|
ctx := context.Background()
|
|
for i := 0; i < num; i++ {
|
|
md, _ := FromOutgoingContext(ctx)
|
|
NewOutgoingContext(ctx, Join(Pairs("k1", "v1", "k2", "v2"), md))
|
|
}
|
|
}
|
|
}
|
|
|
|
// Newer/faster approach to adding metadata to context
|
|
func BenchmarkAppendToOutgoingContext(b *testing.B) {
|
|
const num = 10
|
|
for n := 0; n < b.N; n++ {
|
|
ctx := context.Background()
|
|
for i := 0; i < num; i++ {
|
|
ctx = AppendToOutgoingContext(ctx, "k1", "v1", "k2", "v2")
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkFromOutgoingContext(b *testing.B) {
|
|
ctx := context.Background()
|
|
ctx = NewOutgoingContext(ctx, MD{"k3": {"v3", "v4"}})
|
|
ctx = AppendToOutgoingContext(ctx, "k1", "v1", "k2", "v2")
|
|
|
|
for n := 0; n < b.N; n++ {
|
|
FromOutgoingContext(ctx)
|
|
}
|
|
}
|