nvidia-container-toolkit/tools/container/toolkit/runtime_test.go

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/**
# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
#
# 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 main
import (
"bytes"
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestNvidiaContainerRuntimeInstallerWrapper(t *testing.T) {
r := newNvidiaContainerRuntimeInstaller()
const shebang = "#! /bin/sh"
const destFolder = "/dest/folder"
const dotfileName = "source.real"
buf := &bytes.Buffer{}
err := r.writeWrapperTo(buf, destFolder, dotfileName)
require.NoError(t, err)
expectedLines := []string{
shebang,
"",
"cat /proc/modules | grep -e \"^nvidia \" >/dev/null 2>&1",
"if [ \"${?}\" != \"0\" ]; then",
" echo \"nvidia driver modules are not yet loaded, invoking runc directly\"",
" exec runc \"$@\"",
"fi",
"",
"PATH=/dest/folder:$PATH \\",
"XDG_CONFIG_HOME=/dest/folder/.config \\",
"source.real \\",
"\t\"$@\"",
"",
}
exepectedContents := strings.Join(expectedLines, "\n")
require.Equal(t, exepectedContents, buf.String())
}
func TestExperimentalContainerRuntimeInstallerWrapper(t *testing.T) {
r := newNvidiaContainerRuntimeExperimentalInstaller("/some/root/usr/lib64")
const shebang = "#! /bin/sh"
const destFolder = "/dest/folder"
const dotfileName = "source.real"
buf := &bytes.Buffer{}
err := r.writeWrapperTo(buf, destFolder, dotfileName)
require.NoError(t, err)
expectedLines := []string{
shebang,
"",
"cat /proc/modules | grep -e \"^nvidia \" >/dev/null 2>&1",
"if [ \"${?}\" != \"0\" ]; then",
" echo \"nvidia driver modules are not yet loaded, invoking runc directly\"",
" exec runc \"$@\"",
"fi",
"",
"LD_LIBRARY_PATH=/some/root/usr/lib64:$LD_LIBRARY_PATH \\",
"PATH=/dest/folder:$PATH \\",
"XDG_CONFIG_HOME=/dest/folder/.config \\",
"source.real \\",
"\t\"$@\"",
"",
}
exepectedContents := strings.Join(expectedLines, "\n")
require.Equal(t, exepectedContents, buf.String())
}