goc/tests/e2e/samples_mgr.go

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2021-07-22 11:57:56 +00:00
package e2e
import (
"fmt"
"log"
"os"
"path/filepath"
"regexp"
. "github.com/onsi/ginkgo"
"github.com/tongjingran/copy"
"gopkg.in/yaml.v3"
)
type Sample struct {
Dir string `yaml:"dir"`
Description string `yaml:"description"`
}
// SamplesMgr create and return sample for test case
//
// ginkgo 的运行模型是多进程模型,每一个 test case 是一个独立的进程
// Ginkgo has support for running specs in parallel. It does this by spawning separate go test processes and serving specs to each process off of a shared queue.
// 所以这里会单独在一个临时目录中生成 sample以便将来测试用例可以并发执行
type SamplesMgr struct {
Samples map[string]Sample `yaml:"samples"`
path string `yaml:"-"`
}
func NewSamplesMgr() *SamplesMgr {
path, _ := os.Getwd()
metaData, err := os.ReadFile(filepath.Join(path, "samples", "meta.yaml"))
if err != nil {
log.Fatalf("fail to read sample meta")
}
mgr := SamplesMgr{}
err = yaml.Unmarshal(metaData, &mgr)
if err != nil {
log.Fatalf("fail to parse the meta yaml")
}
mgr.path = path
return &mgr
}
// GetSampleByKey return the sample folder location for test use
func (m *SamplesMgr) GetSampleByKey(key string) (string, error) {
sample, ok := m.Samples[key]
if !ok {
return "", fmt.Errorf("no sample found")
}
desc := CurrentGinkgoTestDescription()
caseTitle := desc.FullTestText + " " + key
m1 := regexp.MustCompile(`[/\\?%*:|"<>]`)
caseTitle = m1.ReplaceAllString(caseTitle, "-")
dst := filepath.Join(m.path, "tmp", caseTitle)
err := os.RemoveAll(dst)
if err != nil {
log.Fatalf("fail to clean the temp sample: %v", err)
}
err = os.MkdirAll(dst, os.ModePerm)
if err != nil {
log.Fatalf("fail to create sample dir: %v", err)
}
src := filepath.Join(m.path, "samples", sample.Dir)
err = copy.Copy(src, dst)
if err != nil {
log.Fatalf("fail to copy the sample project: %v", err)
}
return dst, nil
}