aboutsummaryrefslogtreecommitdiff
path: root/test/utils/common_function_test.go
blob: 003d490ce0a9e840dc3b4fb04b2bae1e536cea5b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
package utils_test

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"os"
	"reflect"
	"strings"

	. "github.com/containers/podman/v3/test/utils"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/ginkgo/extensions/table"
	. "github.com/onsi/gomega"
)

var _ = Describe("Common functions test", func() {
	var defaultOSPath string
	var defaultCgroupPath string

	BeforeEach(func() {
		defaultOSPath = OSReleasePath
		defaultCgroupPath = ProcessOneCgroupPath
	})

	AfterEach(func() {
		OSReleasePath = defaultOSPath
		ProcessOneCgroupPath = defaultCgroupPath
	})

	It("Test CreateTempDirInTempDir", func() {
		tmpDir, _ := CreateTempDirInTempDir()
		_, err := os.Stat(tmpDir)
		Expect(os.IsNotExist(err)).ShouldNot(BeTrue(), "Directory is not created as expect")
	})

	It("Test SystemExec", func() {
		session := SystemExec(GoechoPath, []string{})
		Expect(session.Command.Process).ShouldNot(BeNil(), "SystemExec cannot start a process")
	})

	It("Test StringInSlice", func() {
		testSlice := []string{"apple", "peach", "pear"}
		Expect(StringInSlice("apple", testSlice)).To(BeTrue(), "apple should in ['apple', 'peach', 'pear']")
		Expect(StringInSlice("banana", testSlice)).ShouldNot(BeTrue(), "banana should not in ['apple', 'peach', 'pear']")
		Expect(StringInSlice("anything", []string{})).ShouldNot(BeTrue(), "anything should not in empty slice")
	})

	DescribeTable("Test GetHostDistributionInfo",
		func(path, id, ver string, empty bool) {
			txt := fmt.Sprintf("ID=%s\nVERSION_ID=%s", id, ver)
			if !empty {
				f, _ := os.Create(path)
				f.WriteString(txt)
				f.Close()
			}

			OSReleasePath = path
			host := GetHostDistributionInfo()
			if empty {
				Expect(host).To(Equal(HostOS{}), "HostOs should be empty.")
			} else {
				Expect(host.Distribution).To(Equal(strings.Trim(id, "\"")))
				Expect(host.Version).To(Equal(strings.Trim(ver, "\"")))
			}
		},
		Entry("Configure file is not exist.", "/tmp/nonexistent", "", "", true),
		Entry("Item value with and without \"", "/tmp/os-release.test", "fedora", "\"28\"", false),
		Entry("Item empty with and without \"", "/tmp/os-release.test", "", "\"\"", false),
	)

	DescribeTable("Test IsKernelNewerThan",
		func(kv string, expect, isNil bool) {
			newer, err := IsKernelNewerThan(kv)
			Expect(newer).To(Equal(expect), "Version compare results is not as expect.")
			Expect(err == nil).To(Equal(isNil), "Error is not as expect.")
		},
		Entry("Invalid kernel version: 0", "0", false, false),
		Entry("Older kernel version:0.0", "0.0", true, true),
		Entry("Newer kernel version: 100.17.14", "100.17.14", false, true),
		Entry("Invalid kernel version: I am not a kernel version", "I am not a kernel version", false, false),
	)

	DescribeTable("Test TestIsCommandAvailable",
		func(cmd string, expect bool) {
			cmdExist := IsCommandAvailable(cmd)
			Expect(cmdExist).To(Equal(expect))
		},
		Entry("Command exist", GoechoPath, true),
		Entry("Command exist", "Fakecmd", false),
	)

	It("Test WriteJsonFile", func() {
		type testJson struct {
			Item1 int
			Item2 []string
		}
		compareData := &testJson{}

		testData := &testJson{
			Item1: 5,
			Item2: []string{"test"},
		}

		testByte, _ := json.Marshal(testData)
		err := WriteJsonFile(testByte, "/tmp/testJson")

		Expect(err).To(BeNil(), "Failed to write JSON to file.")

		read, err := os.Open("/tmp/testJson")
		defer read.Close()

		Expect(err).To(BeNil(), "Can not find the JSON file after we write it.")

		bytes, _ := ioutil.ReadAll(read)
		json.Unmarshal(bytes, compareData)

		Expect(reflect.DeepEqual(testData, compareData)).To(BeTrue(), "Data changed after we store it to file.")
	})

	DescribeTable("Test Containerized",
		func(path string, setEnv, createFile, expect bool) {
			if setEnv && (os.Getenv("container") == "") {
				os.Setenv("container", "test")
				defer os.Setenv("container", "")
			}
			if !setEnv && (os.Getenv("container") != "") {
				containerized := os.Getenv("container")
				os.Setenv("container", "")
				defer os.Setenv("container", containerized)
			}
			txt := "1:test:/"
			if expect {
				txt = "2:docker:/"
			}
			if createFile {
				f, _ := os.Create(path)
				f.WriteString(txt)
				f.Close()
			}
			ProcessOneCgroupPath = path
			Expect(Containerized()).To(Equal(expect))
		},
		Entry("Set container in env", "", true, false, true),
		Entry("Can not read from file", "/tmp/nonexistent", false, false, false),
		Entry("Docker in cgroup file", "/tmp/cgroup.test", false, true, true),
		Entry("Docker not in cgroup file", "/tmp/cgroup.test", false, true, false),
	)

})