ascend-docker-runtime/hook/main_test.go

/* Copyright(C) 2022. Huawei Technologies Co.,Ltd. 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
package main

import (
	"github.com/prashantv/gostub"
	"os"
	"os/exec"
	"testing"
)

const (
	pidSample = 123
)

func TestDoPrestartHookCase1(t *testing.T) {
	if err := doPrestartHook(); err != nil {
		t.Log("failed")
	}
}

func TestDoPrestartHookCase2(t *testing.T) {
	conCfg := containerConfig{
		Pid:    pidSample,
		Rootfs: ".",
		Env:    []string{"ASCEND_VISIBLE_DEVICES=0l-3,5,7"},
	}
	stub := gostub.StubFunc(&getContainerConfig, &conCfg, nil)
	defer stub.Reset()
	if err := doPrestartHook(); err != nil {
		t.Log("failed")
	}
}

func TestDoPrestartHookCase3(t *testing.T) {
	conCfg := containerConfig{
		Pid:    pidSample,
		Rootfs: ".",
		Env:    []string{"ASCEND_VISIBLE_DEVICE=0-3,5,7"},
	}
	stub := gostub.StubFunc(&getContainerConfig, &conCfg, nil)
	defer stub.Reset()
	if err := doPrestartHook(); err != nil {
		t.Log("failed")
	}
}

func TestDoPrestartHookCase4(t *testing.T) {
	conCfg := containerConfig{
		Pid:    pidSample,
		Rootfs: ".",
		Env: []string{
			"ASCEND_VISIBLE_DEVICES=0",
			"ASCEND_RUNTIME_OPTIONS=VIRTUAL,NODRV",
		},
	}
	stub := gostub.StubFunc(&getContainerConfig, &conCfg, nil)
	defer stub.Reset()
	stub.Stub(&ascendDockerCliName, "")
	stub.StubFunc(&doExec, nil)
	if err := doPrestartHook(); err != nil {
		t.Log("failed")
	}
}

func TestDoPrestartHookCase5(t *testing.T) {
	defer func() {
		if err := recover(); err != nil {
			t.Log("exception", err)
		}
	}()
	conCfg := containerConfig{
		Pid:    pidSample,
		Rootfs: ".",
		Env:    []string{"ASCEND_VISIBLE_DEVICES=0-3,5,7"},
	}
	stub := gostub.StubFunc(&getContainerConfig, &conCfg, nil)
	defer stub.Reset()
	stub.Stub(&ascendDockerCliName, "clii")
	stub.Stub(&defaultAscendDockerCliName, "clii")
	stub.StubFunc(&doExec, nil)
	if err := doPrestartHook(); err != nil {
		t.Log("failed")
	}
}

func TestGetValueByKeyCase1(t *testing.T) {
	data := []string{"ASCEND_VISIBLE_DEVICES=0-3,5,7"}
	word := "ASCEND_VISIBLE_DEVICES"
	expectVal := "0-3,5,7"
	actualVal := getValueByKey(data, word)
	if actualVal != expectVal {
		t.Fail()
	}
}

func TestGetValueByKeyCase2(t *testing.T) {
	data := []string{"ASCEND_VISIBLE_DEVICES"}
	word := "ASCEND_VISIBLE_DEVICES"
	expectVal := ""
	defer func() {
		if err := recover(); err != nil {
			t.Log("exception occur")
		}
	}()
	actualVal := getValueByKey(data, word)
	if actualVal != expectVal {
		t.Fail()
	}
}

func TestGetValueByKeyCase3(t *testing.T) {
	data := []string{"ASCEND_VISIBLE_DEVICES=0-3,5,7"}
	word := "ASCEND_VISIBLE_DEVICE"
	expectVal := ""
	actualVal := getValueByKey(data, word)
	if actualVal != expectVal {
		t.Fail()
	}
}

func TestParseOciSpecFileCase1(t *testing.T) {
	file := "file"
	_, err := parseOciSpecFile(file)
	if err == nil {
		t.Fail()
	}
}

func TestParseOciSpecFileCase2(t *testing.T) {
	file := "file"
	f, err := os.Create(file)
	defer os.Remove(file)
	defer f.Close()
	if err != nil {
		t.Log("create file failed")
	}
	_, err = parseOciSpecFile(file)
	if err == nil {
		t.Fail()
	}
}

func TestParseOciSpecFileCase3(t *testing.T) {
	file := "config.json"
	cmd := exec.Command("runc", "spec")
	if err := cmd.Run(); err != nil {
		t.Log("runc spec failed")
	}
	defer os.Remove(file)
	_, err := parseOciSpecFile(file)
	if err != nil {
		t.Fail()
	}
}

func TestGetContainerConfig(t *testing.T) {
	file := "config.json"
	cmd := exec.Command("runc", "spec")
	if err := cmd.Run(); err != nil {
		t.Log("runc spec failed")
	}
	defer func() {
		if err := recover(); err != nil {
			t.Log("exception", err)
		}
	}()
	defer os.Remove(file)
	stateFile, err := os.Open("config.json")
	if err != nil {
		t.Log("open file failed")
	}
	defer stateFile.Close()

	stub := gostub.Stub(&containerConfigInputStream, stateFile)
	defer stub.Reset()

	getContainerConfig()
}