oppi.li
1package examples
2
3import (
4 "flag"
5 "os"
6 "os/exec"
7 "path/filepath"
8 "runtime"
9 "testing"
10)
11
12var examplesTest = flag.Bool("examples", false, "run the examples tests")
13
14var defaultURL = "https://github.com/git-fixtures/basic.git"
15
16var args = map[string][]string{
17 "blame": {defaultURL, "CHANGELOG"},
18 "branch": {defaultURL, tempFolder()},
19 "checkout": {defaultURL, tempFolder(), "35e85108805c84807bc66a02d91535e1e24b38b9"},
20 "checkout-branch": {defaultURL, tempFolder(), "branch"},
21 "clone": {defaultURL, tempFolder()},
22 "commit": {cloneRepository(defaultURL, tempFolder())},
23 "context": {defaultURL, tempFolder()},
24 "custom_http": {defaultURL},
25 "find-if-any-tag-point-head": {cloneRepository(defaultURL, tempFolder())},
26 "ls": {cloneRepository(defaultURL, tempFolder()), "HEAD", "vendor"},
27 "ls-remote": {defaultURL},
28 "merge_base": {cloneRepository(defaultURL, tempFolder()), "--is-ancestor", "HEAD~3", "HEAD^"},
29 "open": {cloneRepository(defaultURL, tempFolder())},
30 "progress": {defaultURL, tempFolder()},
31 "pull": {createRepositoryWithRemote(tempFolder(), defaultURL)},
32 "push": {setEmptyRemote(cloneRepository(defaultURL, tempFolder()))},
33 "restore": {cloneRepository(defaultURL, tempFolder())},
34 "revision": {cloneRepository(defaultURL, tempFolder()), "master~2^"},
35 "sha256": {tempFolder()},
36 "showcase": {defaultURL, tempFolder()},
37 "sparse-checkout": {defaultURL, "vendor", tempFolder()},
38 "tag": {cloneRepository(defaultURL, tempFolder())},
39}
40
41// tests not working / set-up
42var ignored = map[string]bool{
43 "azure_devops": true,
44 "ls": true,
45 "sha256": true,
46 "submodule": true,
47 "tag-create-push": true,
48}
49
50var (
51 tempFolders = []string{}
52
53 _, callingFile, _, _ = runtime.Caller(0)
54 basepath = filepath.Dir(callingFile)
55)
56
57func TestExamples(t *testing.T) {
58 flag.Parse()
59 if !*examplesTest && os.Getenv("CI") == "" {
60 t.Skip("skipping examples tests, pass --examples to execute it")
61 return
62 }
63
64 defer deleteTempFolders()
65
66 exampleMains, err := filepath.Glob(filepath.Join(basepath, "*", "main.go"))
67 if err != nil {
68 t.Errorf("error finding tests: %s", err)
69 }
70
71 for _, main := range exampleMains {
72 dir := filepath.Dir(main)
73 _, name := filepath.Split(dir)
74
75 if ignored[name] {
76 continue
77 }
78
79 t.Run(name, func(t *testing.T) {
80 testExample(t, name, dir)
81 })
82 }
83}
84
85func tempFolder() string {
86 path, err := os.MkdirTemp("", "")
87 CheckIfError(err)
88
89 tempFolders = append(tempFolders, path)
90 return path
91}
92
93func cloneRepository(url, folder string) string {
94 cmd := exec.Command("git", "clone", url, folder)
95 err := cmd.Run()
96 CheckIfError(err)
97
98 return folder
99}
100
101func createBareRepository(dir string) string {
102 return createRepository(dir, true)
103}
104
105func createRepository(dir string, isBare bool) string {
106 var cmd *exec.Cmd
107 if isBare {
108 cmd = exec.Command("git", "init", "--bare", dir)
109 } else {
110 cmd = exec.Command("git", "init", dir)
111 }
112 err := cmd.Run()
113 CheckIfError(err)
114
115 return dir
116}
117
118func createRepositoryWithRemote(local, remote string) string {
119 createRepository(local, false)
120 addRemote(local, remote)
121 return local
122}
123
124func setEmptyRemote(dir string) string {
125 remote := createBareRepository(tempFolder())
126 setRemote(dir, remote)
127 return dir
128}
129
130func setRemote(local, remote string) {
131 cmd := exec.Command("git", "remote", "set-url", "origin", remote)
132 cmd.Dir = local
133 err := cmd.Run()
134 CheckIfError(err)
135}
136
137func addRemote(local, remote string) {
138 cmd := exec.Command("git", "remote", "add", "origin", remote)
139 cmd.Dir = local
140 err := cmd.Run()
141 CheckIfError(err)
142}
143
144func testExample(t *testing.T, name, dir string) {
145 arguments := append([]string{"run", dir}, args[name]...)
146 cmd := exec.Command("go", arguments...)
147
148 cmd.Stdout = os.Stdout
149 cmd.Stderr = os.Stderr
150
151 if err := cmd.Run(); err != nil {
152 t.Errorf("error running cmd %q", err)
153 }
154}
155
156func deleteTempFolders() {
157 for _, folder := range tempFolders {
158 err := os.RemoveAll(folder)
159 CheckIfError(err)
160 }
161}