mirror of
https://github.com/intel/intel-device-plugins-for-kubernetes.git
synced 2025-06-03 03:59:37 +00:00
535 lines
17 KiB
Go
535 lines
17 KiB
Go
// Copyright 2019 Intel 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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package main
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import (
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"fmt"
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"os"
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"path"
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"reflect"
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"strings"
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"testing"
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"time"
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dpapi "github.com/intel/intel-device-plugins-for-kubernetes/pkg/deviceplugin"
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pluginapi "k8s.io/kubelet/pkg/apis/deviceplugin/v1beta1"
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)
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func TestNewDevicePluginDFL(t *testing.T) {
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tcases := []struct {
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mode string
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expectedErr bool
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}{
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{
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mode: afMode,
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},
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{
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mode: regionMode,
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},
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{
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mode: regionDevelMode,
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},
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{
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mode: "unparsable",
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expectedErr: true,
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},
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}
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for _, tcase := range tcases {
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_, err := newDevicePluginDFL("", "", tcase.mode)
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if tcase.expectedErr && err == nil {
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t.Error("No error generated when creating Cache with invalid parameters")
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}
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}
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}
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// getDevices returns static list of device structs for testing purposes
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func getDevicesDFL() []device {
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return []device{
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{
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name: "region1",
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regions: []region{
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{
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id: "region1",
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interfaceID: "ce48969398f05f33946d560708be108a",
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devNode: "/dev/dfl-fme.0",
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afus: []afu{
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{
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id: "dfl-port.0",
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afuID: "d8424dc4a4a3c413f89e433683f9040b",
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devNode: "/dev/dfl-port.0",
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},
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},
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},
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},
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},
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{
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name: "region2",
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regions: []region{
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{
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id: "region2",
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interfaceID: "ce48969398f05f33946d560708be108a",
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devNode: "/dev/dfl-fme.1",
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afus: []afu{
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{
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id: "dfl-port.1",
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afuID: "d8424dc4a4a3c413f89e433683f9040b",
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devNode: "/dev/dfl-port.1",
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},
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{
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id: "dfl-port.2",
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afuID: "d8424dc4a4a3c413f89e433683f9040b",
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devNode: "/dev/dfl-port.2",
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},
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},
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},
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},
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},
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{
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name: "region3",
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regions: []region{
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{
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id: "region3",
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interfaceID: unhealthyInterfaceID,
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devNode: "/dev/dfl-fme.2",
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afus: []afu{
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{
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id: "dfl-port.3",
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afuID: unhealthyAfuID,
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devNode: "/dev/dfl-port.3",
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},
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{
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id: "dfl-port.4",
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afuID: "d8424dc4a4a3c413f89e433683f9040b",
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devNode: "/dev/dfl-port.4",
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},
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},
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},
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},
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},
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}
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}
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func TestGetRegionDevelTreeDFL(t *testing.T) {
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expected := dpapi.NewDeviceTree()
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expected.AddDevice(regionMode+"-ce48969398f05f33946d560708be108a", "region1", dpapi.DeviceInfo{
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State: pluginapi.Healthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.0",
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ContainerPath: "/dev/dfl-port.0",
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Permissions: "rw",
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},
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{
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HostPath: "/dev/dfl-fme.0",
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ContainerPath: "/dev/dfl-fme.0",
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Permissions: "rw",
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},
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},
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})
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expected.AddDevice(regionMode+"-ce48969398f05f33946d560708be108a", "region2", dpapi.DeviceInfo{
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State: pluginapi.Healthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.1",
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ContainerPath: "/dev/dfl-port.1",
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Permissions: "rw",
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},
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{
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HostPath: "/dev/dfl-port.2",
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ContainerPath: "/dev/dfl-port.2",
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Permissions: "rw",
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},
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{
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HostPath: "/dev/dfl-fme.1",
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ContainerPath: "/dev/dfl-fme.1",
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Permissions: "rw",
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},
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},
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})
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expected.AddDevice(regionMode+"-"+unhealthyInterfaceID, "region3", dpapi.DeviceInfo{
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State: pluginapi.Unhealthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.3",
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ContainerPath: "/dev/dfl-port.3",
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Permissions: "rw",
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},
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{
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HostPath: "/dev/dfl-port.4",
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ContainerPath: "/dev/dfl-port.4",
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Permissions: "rw",
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},
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{
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HostPath: "/dev/dfl-fme.2",
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ContainerPath: "/dev/dfl-fme.2",
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Permissions: "rw",
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},
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},
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})
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result := getRegionDevelTree(getDevicesDFL())
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if !reflect.DeepEqual(result, expected) {
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t.Errorf("Got unexpected result: %v, expected: %v", result, expected)
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}
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}
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func TestGetRegionTreeDFL(t *testing.T) {
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expected := dpapi.NewDeviceTree()
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expected.AddDevice(regionMode+"-ce48969398f05f33946d560708be108a", "region1", dpapi.DeviceInfo{
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State: pluginapi.Healthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.0",
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ContainerPath: "/dev/dfl-port.0",
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Permissions: "rw",
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},
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},
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})
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expected.AddDevice(regionMode+"-ce48969398f05f33946d560708be108a", "region2", dpapi.DeviceInfo{
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State: pluginapi.Healthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.1",
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ContainerPath: "/dev/dfl-port.1",
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Permissions: "rw",
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},
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{
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HostPath: "/dev/dfl-port.2",
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ContainerPath: "/dev/dfl-port.2",
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Permissions: "rw",
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},
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},
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})
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expected.AddDevice(regionMode+"-"+unhealthyInterfaceID, "region3", dpapi.DeviceInfo{
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State: pluginapi.Unhealthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.3",
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ContainerPath: "/dev/dfl-port.3",
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Permissions: "rw",
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},
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{
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HostPath: "/dev/dfl-port.4",
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ContainerPath: "/dev/dfl-port.4",
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Permissions: "rw",
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},
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},
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})
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result := getRegionTree(getDevicesDFL())
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if !reflect.DeepEqual(result, expected) {
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t.Errorf("Got unexpected result: %v, expected: %v", result, expected)
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}
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}
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func TestGetAfuTreeDFL(t *testing.T) {
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expected := dpapi.NewDeviceTree()
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expected.AddDevice(afMode+"-d8424dc4a4a3c413f89e433683f9040b", "dfl-port.0", dpapi.DeviceInfo{
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State: pluginapi.Healthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.0",
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ContainerPath: "/dev/dfl-port.0",
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Permissions: "rw",
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},
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},
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})
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expected.AddDevice(afMode+"-d8424dc4a4a3c413f89e433683f9040b", "dfl-port.1", dpapi.DeviceInfo{
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State: pluginapi.Healthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.1",
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ContainerPath: "/dev/dfl-port.1",
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Permissions: "rw",
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},
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},
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})
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expected.AddDevice(afMode+"-d8424dc4a4a3c413f89e433683f9040b", "dfl-port.2", dpapi.DeviceInfo{
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State: pluginapi.Healthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.2",
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ContainerPath: "/dev/dfl-port.2",
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Permissions: "rw",
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},
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},
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})
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expected.AddDevice(afMode+"-"+unhealthyAfuID, "dfl-port.3", dpapi.DeviceInfo{
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State: pluginapi.Unhealthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.3",
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ContainerPath: "/dev/dfl-port.3",
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Permissions: "rw",
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},
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},
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})
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expected.AddDevice(afMode+"-d8424dc4a4a3c413f89e433683f9040b", "dfl-port.4", dpapi.DeviceInfo{
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State: pluginapi.Healthy,
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Nodes: []pluginapi.DeviceSpec{
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{
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HostPath: "/dev/dfl-port.4",
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ContainerPath: "/dev/dfl-port.4",
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Permissions: "rw",
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},
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},
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})
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result := getAfuTree(getDevicesDFL())
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if !reflect.DeepEqual(result, expected) {
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t.Errorf("Got unexpected result: %v, expected: %v", result, expected)
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}
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}
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func TestScanFPGAsDFL(t *testing.T) {
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tmpdir := fmt.Sprintf("/tmp/fpgaplugin-TestDiscoverFPGAs-%d", time.Now().Unix())
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sysfs := path.Join(tmpdir, "sys", "class", "fpga_region")
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devfs := path.Join(tmpdir, "dev")
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tcases := []struct {
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name string
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devfsdirs []string
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sysfsdirs []string
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sysfsfiles map[string][]byte
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errorContains string
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expectedDevTree map[string]map[string]dpapi.DeviceInfo
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mode string
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}{
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{
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name: "No sysfs folder exists",
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mode: afMode,
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},
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{
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name: "Unexpected extra fme devices in the region",
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mode: afMode,
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sysfsdirs: []string{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
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"region1/dfl-fme.1"},
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sysfsfiles: map[string][]byte{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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},
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devfsdirs: []string{"dfl-fme.0"},
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errorContains: "Detected more than one FPGA region for device region1. Only one region per FPGA device is supported",
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},
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{
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name: "AFU without ID",
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mode: afMode,
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sysfsdirs: []string{"region1/dfl-port.0"},
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errorContains: "/sys/class/fpga_region/region1/dfl-port.0/afu_id: no such file or directory",
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},
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{
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name: "No device node for detected AFU",
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mode: afMode,
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sysfsdirs: []string{"region1/dfl-port.0"},
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sysfsfiles: map[string][]byte{
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"region1/dfl-port.0/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
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},
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errorContains: "/dev/dfl-port.0: no such file or directory",
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},
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{
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name: "AFU without corresponding FME",
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mode: afMode,
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sysfsdirs: []string{"region1/dfl-port.0"},
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devfsdirs: []string{"dfl-port.0"},
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sysfsfiles: map[string][]byte{
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"region1/dfl-port.0/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
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},
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errorContains: "region1: AFU without corresponding FME found",
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},
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{
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name: "More than one FME per FPGA device",
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mode: afMode,
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sysfsdirs: []string{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
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"region1/dfl-fme.1/dfl-fme-region.1/fpga_region/region1/",
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},
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sysfsfiles: map[string][]byte{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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"region1/dfl-fme.1/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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},
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devfsdirs: []string{
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"dfl-fme.0",
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"dfl-fme.1",
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},
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errorContains: "Detected more than one FPGA region",
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},
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{
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name: "No regionX/dfl-fme.k/dfl-fme-region.n entry found",
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mode: afMode,
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sysfsdirs: []string{"region1/dfl-fme.0", "region1/dfl-port.0", "region1/dfl-port.1"},
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errorContains: "no compat_id found with pattern ",
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},
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{
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name: "Duplicate regionX/dfl-fme.k/dfl-fme-region.n entry found",
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mode: afMode,
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sysfsdirs: []string{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
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"region1/dfl-fme.0/dfl-fme-region.2/fpga_region/region1/",
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"region1/dfl-port.0"},
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sysfsfiles: map[string][]byte{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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"region1/dfl-fme.0/dfl-fme-region.2/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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},
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errorContains: "/sys/class/fpga_region/region1/dfl-fme.0/dfl-fme-region.*/fpga_region/region*/compat_id' matches multiple files",
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},
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{
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name: "fme device doesn't exist",
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mode: afMode,
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sysfsdirs: []string{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
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"region1/dfl-port.0",
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"region1/dfl-port.1"},
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sysfsfiles: map[string][]byte{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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},
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errorContains: "/dev/dfl-fme.0 doesn't exist",
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},
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{
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name: "region1/dfl-port.0/afu_id file doesn't exist",
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mode: afMode,
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sysfsdirs: []string{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
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"region1/dfl-port.0",
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"region1/dfl-port.1"},
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sysfsfiles: map[string][]byte{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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},
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devfsdirs: []string{"dfl-fme.0"},
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errorContains: "region1/dfl-port.0/afu_id: no such file or directory",
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},
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{
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name: "region1/dfl-port.0/afu_id is a directory",
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mode: afMode,
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sysfsdirs: []string{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
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"region1/dfl-port.0/afu_id",
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"region1/dfl-port.1"},
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sysfsfiles: map[string][]byte{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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},
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devfsdirs: []string{"dfl-fme.0"},
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errorContains: "region1/dfl-port.0/afu_id: is a directory",
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},
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{
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name: "port device doesn't exist",
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mode: afMode,
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sysfsdirs: []string{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
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"region1/dfl-port.0",
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"region1/dfl-port.1"},
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sysfsfiles: map[string][]byte{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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"region1/dfl-port.0/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
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},
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devfsdirs: []string{"dfl-fme.0"},
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errorContains: "/dev/dfl-port.0 doesn't exist",
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},
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{
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name: "working af mode",
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mode: afMode,
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sysfsdirs: []string{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
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"region1/dfl-port.0",
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"region1/dfl-port.1",
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"region2/dfl-fme.1/dfl-fme-region.2/fpga_region/region2/",
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"region2/dfl-port.2",
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"region2/dfl-port.3",
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},
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sysfsfiles: map[string][]byte{
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"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
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"region1/dfl-port.0/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
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"region1/dfl-port.1/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
"region2/dfl-fme.1/dfl-fme-region.2/fpga_region/region2/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
|
|
"region2/dfl-port.2/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
"region2/dfl-port.3/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
},
|
|
devfsdirs: []string{"dfl-fme.0", "dfl-port.0", "dfl-port.1", "dfl-fme.1", "dfl-port.2", "dfl-port.3"},
|
|
},
|
|
{
|
|
name: "working region mode",
|
|
mode: regionMode,
|
|
sysfsdirs: []string{
|
|
"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
|
|
"region1/dfl-port.0",
|
|
"region1/dfl-port.1",
|
|
"region2/dfl-fme.1/dfl-fme-region.2/fpga_region/region2/",
|
|
"region2/dfl-port.2",
|
|
"region2/dfl-port.3",
|
|
},
|
|
sysfsfiles: map[string][]byte{
|
|
"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
|
|
"region1/dfl-port.0/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
"region1/dfl-port.1/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
"region2/dfl-fme.1/dfl-fme-region.2/fpga_region/region2/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
|
|
"region2/dfl-port.2/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
"region2/dfl-port.3/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
},
|
|
devfsdirs: []string{"dfl-fme.0", "dfl-port.0", "dfl-port.1", "dfl-fme.1", "dfl-port.2", "dfl-port.3"},
|
|
},
|
|
{
|
|
name: "working regionDevel mode",
|
|
mode: regionDevelMode,
|
|
sysfsdirs: []string{
|
|
"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/",
|
|
"region1/dfl-port.0",
|
|
"region1/dfl-port.1",
|
|
"region2/dfl-fme.1/dfl-fme-region.2/fpga_region/region2/",
|
|
"region2/dfl-port.2",
|
|
"region2/dfl-port.3",
|
|
},
|
|
sysfsfiles: map[string][]byte{
|
|
"region1/dfl-fme.0/dfl-fme-region.1/fpga_region/region1/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
|
|
"region1/dfl-port.0/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
"region1/dfl-port.1/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
"region2/dfl-fme.1/dfl-fme-region.2/fpga_region/region2/compat_id": []byte("69528db6eb31577a8c3668f9faa081f6\n"),
|
|
"region2/dfl-port.2/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
"region2/dfl-port.3/afu_id": []byte("d8424dc4a4a3c413f89e433683f9040b\n"),
|
|
},
|
|
devfsdirs: []string{"dfl-fme.0", "dfl-port.0", "dfl-port.1", "dfl-fme.1", "dfl-port.2", "dfl-port.3"},
|
|
},
|
|
}
|
|
|
|
for _, tcase := range tcases {
|
|
err := createTestDirs(devfs, sysfs, tcase.devfsdirs, tcase.sysfsdirs, tcase.sysfsfiles)
|
|
if err != nil {
|
|
t.Fatalf("%+v", err)
|
|
}
|
|
|
|
plugin, err := newDevicePluginDFL(sysfs, devfs, tcase.mode)
|
|
if err != nil {
|
|
t.Errorf("Test case '%s': %+v", tcase.name, err)
|
|
continue
|
|
}
|
|
plugin.getDevTree = func(devices []device) dpapi.DeviceTree {
|
|
return dpapi.NewDeviceTree()
|
|
}
|
|
|
|
_, err = plugin.scanFPGAs()
|
|
if tcase.errorContains != "" {
|
|
if err == nil || !strings.Contains(err.Error(), tcase.errorContains) {
|
|
t.Errorf("Test case '%s': expected error '%s', but got '%v'", tcase.name, tcase.errorContains, err)
|
|
}
|
|
} else if err != nil {
|
|
t.Errorf("Test case '%s': expected no error, but got '%+v'", tcase.name, err)
|
|
}
|
|
|
|
err = os.RemoveAll(tmpdir)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
}
|