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package examples
import (
"flag"
"os"
"os/exec"
"path/filepath"
"runtime"
"testing"
)
var examplesTest = flag.Bool("examples", false, "run the examples tests")
var defaultURL = "https://github.com/git-fixtures/basic.git"
var args = map[string][]string{
"blame": {defaultURL, "CHANGELOG"},
"branch": {defaultURL, tempFolder()},
"checkout": {defaultURL, tempFolder(), "35e85108805c84807bc66a02d91535e1e24b38b9"},
"checkout-branch": {defaultURL, tempFolder(), "branch"},
"clone": {defaultURL, tempFolder()},
"commit": {cloneRepository(defaultURL, tempFolder())},
"context": {defaultURL, tempFolder()},
"custom_http": {defaultURL},
"find-if-any-tag-point-head": {cloneRepository(defaultURL, tempFolder())},
"ls": {cloneRepository(defaultURL, tempFolder()), "HEAD", "vendor"},
"ls-remote": {defaultURL},
"merge_base": {cloneRepository(defaultURL, tempFolder()), "--is-ancestor", "HEAD~3", "HEAD^"},
"open": {cloneRepository(defaultURL, tempFolder())},
"progress": {defaultURL, tempFolder()},
"pull": {createRepositoryWithRemote(tempFolder(), defaultURL)},
"push": {setEmptyRemote(cloneRepository(defaultURL, tempFolder()))},
"revision": {cloneRepository(defaultURL, tempFolder()), "master~2^"},
"sha256": {tempFolder()},
"showcase": {defaultURL, tempFolder()},
"tag": {cloneRepository(defaultURL, tempFolder())},
}
// tests not working / set-up
var ignored = map[string]bool{
"azure_devops": true,
"ls": true,
"sha256": true,
"submodule": true,
"tag-create-push": true,
}
var (
tempFolders = []string{}
_, callingFile, _, _ = runtime.Caller(0)
basepath = filepath.Dir(callingFile)
)
func TestExamples(t *testing.T) {
flag.Parse()
if !*examplesTest && os.Getenv("CI") == "" {
t.Skip("skipping examples tests, pass --examples to execute it")
return
}
defer deleteTempFolders()
exampleMains, err := filepath.Glob(filepath.Join(basepath, "*", "main.go"))
if err != nil {
t.Errorf("error finding tests: %s", err)
}
for _, main := range exampleMains {
dir := filepath.Dir(main)
_, name := filepath.Split(dir)
if ignored[name] {
continue
}
t.Run(name, func(t *testing.T) {
testExample(t, name, dir)
})
}
}
func tempFolder() string {
path, err := os.MkdirTemp("", "")
CheckIfError(err)
tempFolders = append(tempFolders, path)
return path
}
func cloneRepository(url, folder string) string {
cmd := exec.Command("git", "clone", url, folder)
err := cmd.Run()
CheckIfError(err)
return folder
}
func createBareRepository(dir string) string {
return createRepository(dir, true)
}
func createRepository(dir string, isBare bool) string {
var cmd *exec.Cmd
if isBare {
cmd = exec.Command("git", "init", "--bare", dir)
} else {
cmd = exec.Command("git", "init", dir)
}
err := cmd.Run()
CheckIfError(err)
return dir
}
func createRepositoryWithRemote(local, remote string) string {
createRepository(local, false)
addRemote(local, remote)
return local
}
func setEmptyRemote(dir string) string {
remote := createBareRepository(tempFolder())
setRemote(dir, remote)
return dir
}
func setRemote(local, remote string) {
cmd := exec.Command("git", "remote", "set-url", "origin", remote)
cmd.Dir = local
err := cmd.Run()
CheckIfError(err)
}
func addRemote(local, remote string) {
cmd := exec.Command("git", "remote", "add", "origin", remote)
cmd.Dir = local
err := cmd.Run()
CheckIfError(err)
}
func testExample(t *testing.T, name, dir string) {
arguments := append([]string{"run", dir}, args[name]...)
cmd := exec.Command("go", arguments...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
t.Errorf("error running cmd %q", err)
}
}
func deleteTempFolders() {
for _, folder := range tempFolders {
err := os.RemoveAll(folder)
CheckIfError(err)
}
}
|
