mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
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a0065456d0
This change adds an internal nvcaps pacakge. This package will be migrated to go-nvlib. Signed-off-by: Evan Lezar <elezar@nvidia.com>
101 lines
2.8 KiB
Go
101 lines
2.8 KiB
Go
/*
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# Copyright (c) 2021-2022, NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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*/
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package nvcaps
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestProcessMinorsFile(t *testing.T) {
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testCases := []struct {
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lines []string
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expected MigCaps
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}{
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{[]string{}, MigCaps{}},
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{[]string{"invalidLine"}, MigCaps{}},
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{[]string{"config 1"}, MigCaps{"config": 1}},
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{[]string{"gpu0/gi0/ci0/access 4"}, MigCaps{"gpu0/gi0/ci0/access": 4}},
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{[]string{"config 1", "invalidLine"}, MigCaps{"config": 1}},
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{[]string{"config 1", "gpu0/gi0/ci0/access 4"}, MigCaps{"config": 1, "gpu0/gi0/ci0/access": 4}},
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}
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for i, tc := range testCases {
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t.Run(fmt.Sprintf("testcase %d", i), func(t *testing.T) {
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contents := strings.NewReader(strings.Join(tc.lines, "\n"))
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d := processMinorsFile(contents)
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require.Equal(t, tc.expected, d)
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})
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}
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}
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func TestProcessMigMinorsLine(t *testing.T) {
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testCases := []struct {
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line string
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cap MigCap
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minor MigMinor
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err bool
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}{
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{"config 1", "config", 1, false},
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{"monitor 2", "monitor", 2, false},
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{"gpu0/gi0/access 3", "gpu0/gi0/access", 3, false},
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{"gpu0/gi0/ci0/access 4", "gpu0/gi0/ci0/access", 4, false},
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{"notconfig 99", "", 0, true},
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{"config notanint", "", 0, true},
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{"", "", 0, true},
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}
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for i, tc := range testCases {
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t.Run(fmt.Sprintf("testcase %d", i), func(t *testing.T) {
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cap, minor, err := processMigMinorsLine(tc.line)
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require.Equal(t, tc.cap, cap)
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require.Equal(t, tc.minor, minor)
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if tc.err {
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require.Error(t, err)
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} else {
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require.NoError(t, err)
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}
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})
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}
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}
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func TestMigCapProcPaths(t *testing.T) {
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testCases := []struct {
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input string
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expected string
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}{
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{"config", "/proc/driver/nvidia/capabilities/mig/config"},
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{"monitor", "/proc/driver/nvidia/capabilities/mig/monitor"},
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{"gpu0/gi0/access", "/proc/driver/nvidia/capabilities/gpu0/mig/gi0/access"},
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{"gpu0/gi0/ci0/access", "/proc/driver/nvidia/capabilities/gpu0/mig/gi0/ci0/access"},
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}
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for i, tc := range testCases {
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t.Run(fmt.Sprintf("testcase %d", i), func(t *testing.T) {
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m := MigCap(tc.input)
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require.Equal(t, tc.expected, m.ProcPath())
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})
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}
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}
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func TestMigMinorDevicePath(t *testing.T) {
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m := MigMinor(0)
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require.Equal(t, "/dev/nvidia-caps/nvidia-cap0", m.DevicePath())
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}
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