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|
//go:build !windows && !darwin
/*
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 v2
import (
"os"
"testing"
)
// setupAbsoluteShimPath creates a temporary directory in $PATH with an empty
// shim executable file in it to test the exec.LookPath branch of resolveRuntimePath
func setupAbsoluteShimPath(t *testing.T) (string, error) {
tempShimDir := t.TempDir()
_, err := os.Create(tempShimDir + "/containerd-shim-runc-v2")
if err != nil {
return "", err
}
t.Setenv("PATH", tempShimDir+":"+os.Getenv("PATH"))
absoluteShimPath := tempShimDir + "/containerd-shim-runc-v2"
err = os.Chmod(absoluteShimPath, 0777)
if err != nil {
return "", err
}
return absoluteShimPath, nil
}
func TestResolveRuntimePath(t *testing.T) {
sm := &ShimManager{}
absoluteShimPath, err := setupAbsoluteShimPath(t)
if err != nil {
t.Errorf("Failed to create temporary shim path: %q", err)
}
tests := []struct {
runtime string
want string
}{
{ // Absolute path
runtime: absoluteShimPath,
want: absoluteShimPath,
},
{ // Binary name
runtime: "io.containerd.runc.v2",
want: absoluteShimPath,
},
{ // Invalid absolute path
runtime: "/fake/abs/path",
want: "",
},
{ // No name
runtime: "",
want: "",
},
{ // Relative Path
runtime: "./containerd-shim-runc-v2",
want: "",
},
{
runtime: "fake/containerd-shim-runc-v2",
want: "",
},
{
runtime: "./fake/containerd-shim-runc-v2",
want: "",
},
{ // Relative Path or Bad Binary Name
runtime: ".io.containerd.runc.v2",
want: "",
},
}
for _, c := range tests {
have, _ := sm.resolveRuntimePath(c.runtime)
if have != c.want {
t.Errorf("Expected %q, got %q", c.want, have)
}
}
}
|
