nvidia-container-toolkit/internal/proc/devices_test.go

93 lines
2.7 KiB
Go
Raw Permalink Normal View History

/*
# 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 proc
import (
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestNvidiaDevices(t *testing.T) {
devices := []Device{
{"nvidia-frontend", 195},
{"nvidia-nvlink", 234},
{"nvidia-caps", 235},
{"nvidia-uvm", 510},
{"nvidia-nvswitch", 511},
}
nvidiaDevices := NewMockNvidiaDevices(devices...)
for _, d := range devices {
device, exists := nvidiaDevices.Get(d.Name)
require.True(t, exists, "Unexpected missing device")
require.Equal(t, device.Name, d.Name, "Unexpected device name")
require.Equal(t, device.Major, d.Major, "Unexpected device major")
}
_, exists := nvidiaDevices.Get("bogus")
require.False(t, exists, "Unexpected 'bogus' device found")
}
func TestProcessDeviceFile(t *testing.T) {
testCases := []struct {
lines []string
expected []Device
}{
{[]string{}, []Device{}},
{[]string{"Not a valid line:"}, []Device{}},
{[]string{"195 nvidia-frontend"}, []Device{{"nvidia-frontend", 195}}},
{[]string{"195 nvidia-frontend", "235 nvidia-caps"}, []Device{{"nvidia-frontend", 195}, {"nvidia-caps", 235}}},
{[]string{" 195 nvidia-frontend"}, []Device{{"nvidia-frontend", 195}}},
{[]string{"Not a valid line:", "", "195 nvidia-frontend"}, []Device{{"nvidia-frontend", 195}}},
{[]string{"195 not-nvidia-frontend"}, []Device{}},
}
for _, tc := range testCases {
contents := strings.NewReader(strings.Join(tc.lines, "\n"))
d := processDeviceFile(contents)
require.Equalf(t, NewMockNvidiaDevices(tc.expected...), d, "testCase: %v", tc)
}
}
func TestProcessDeviceFileLine(t *testing.T) {
testCases := []struct {
line string
name string
major int
err bool
}{
{"", "", 0, true},
{"0", "", 0, true},
{"notint nvidia-frontend", "", 0, true},
{"195 nvidia-frontend", "nvidia-frontend", 195, false},
{" 195 nvidia-frontend", "nvidia-frontend", 195, false},
}
for _, tc := range testCases {
name, major, err := processProcDeviceLine(tc.line)
require.Equal(t, tc.name, name)
require.Equal(t, tc.major, major)
if tc.err {
require.Error(t, err)
} else {
require.NoError(t, err)
}
}
}