containerd/runtime/v2/shim/shim_test.go
Wei Fu 9687ba6315 test: TestRuntimeWithEmptyMaxEnvProcs should cleanup
TestRuntimeWithEmptyMaxEnvProcs should restore the GoMaxProcs after
test so that the temporary change of GoMaxProcs will not impact other
case, like TestRuntimeWithNonEmptyMaxEnvProcs.

Signed-off-by: Wei Fu <fuweid89@gmail.com>
2020-04-23 22:09:10 +08:00

64 lines
1.5 KiB
Go

/*
Copyright The containerd 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 shim
import (
"context"
"os"
"runtime"
"testing"
)
func TestRuntimeWithEmptyMaxEnvProcs(t *testing.T) {
var oldGoMaxProcs = runtime.GOMAXPROCS(0)
defer runtime.GOMAXPROCS(oldGoMaxProcs)
os.Setenv("GOMAXPROCS", "")
setRuntime()
var currentGoMaxProcs = runtime.GOMAXPROCS(0)
if currentGoMaxProcs != 2 {
t.Fatal("the max number of procs should be 2")
}
}
func TestRuntimeWithNonEmptyMaxEnvProcs(t *testing.T) {
os.Setenv("GOMAXPROCS", "not_empty")
setRuntime()
var oldGoMaxProcs2 = runtime.GOMAXPROCS(0)
if oldGoMaxProcs2 != runtime.NumCPU() {
t.Fatal("the max number CPU should be equal to available CPUs")
}
}
func TestShimOptWithValue(t *testing.T) {
ctx := context.TODO()
ctx = context.WithValue(ctx, OptsKey{}, Opts{Debug: true})
o := ctx.Value(OptsKey{})
if o == nil {
t.Fatal("opts nil")
}
op, ok := o.(Opts)
if !ok {
t.Fatal("opts not of type Opts")
}
if !op.Debug {
t.Fatal("opts.Debug should be true")
}
}