lotus/.circleci/gen.go
2021-06-23 17:08:46 +01:00

137 lines
3.0 KiB
Go

package main
import (
"embed"
"fmt"
"os"
"path/filepath"
"sort"
"strings"
"text/template"
)
//go:generate go run ./gen.go ..
//go:embed template.yml
var templateFile embed.FS
type (
dirs = []string
suite = string
)
// groupedUnitTests maps suite names to top-level directories that should be
// included in that suite. The program adds an implicit group "rest" that
// includes all other top-level directories.
var groupedUnitTests = map[suite]dirs{
"unit-node": {"node"},
"unit-storage": {"storage", "extern"},
"unit-cli": {"cli", "cmd", "api"},
}
func main() {
if len(os.Args) != 2 {
panic("expected path to repo as argument")
}
repo := os.Args[1]
tmpl := template.New("template.yml")
tmpl.Delims("[[", "]]")
tmpl.Funcs(template.FuncMap{
"stripSuffix": func(in string) string {
return strings.TrimSuffix(in, "_test.go")
},
})
tmpl = template.Must(tmpl.ParseFS(templateFile, "*"))
// list all itests.
itests, err := filepath.Glob(filepath.Join(repo, "./itests/*_test.go"))
if err != nil {
panic(err)
}
// strip the dir from all entries.
for i, f := range itests {
itests[i] = filepath.Base(f)
}
// calculate the exclusion set of unit test directories to exclude because
// they are already included in a grouped suite.
var excluded = map[string]struct{}{}
for _, ss := range groupedUnitTests {
for _, s := range ss {
e, err := filepath.Abs(filepath.Join(repo, s))
if err != nil {
panic(err)
}
excluded[e] = struct{}{}
}
}
// all unit tests top-level dirs that are not itests, nor included in other suites.
var rest = map[string]struct{}{}
err = filepath.Walk(repo, func(path string, f os.FileInfo, err error) error {
// include all tests that aren't in the itests directory.
if strings.Contains(path, "itests") {
return filepath.SkipDir
}
// exclude all tests included in other suites
if f.IsDir() {
if _, ok := excluded[path]; ok {
return filepath.SkipDir
}
}
if strings.HasSuffix(path, "_test.go") {
rel, err := filepath.Rel(repo, path)
if err != nil {
panic(err)
}
// take the first directory
rest[strings.Split(rel, string(os.PathSeparator))[0]] = struct{}{}
}
return err
})
if err != nil {
panic(err)
}
// add other directories to a 'rest' suite.
for k := range rest {
groupedUnitTests["unit-rest"] = append(groupedUnitTests["unit-rest"], k)
}
// map iteration guarantees no order, so sort the array in-place.
sort.Strings(groupedUnitTests["unit-rest"])
// form the input data.
type data struct {
ItestFiles []string
UnitSuites map[string]string
}
in := data{
ItestFiles: itests,
UnitSuites: func() map[string]string {
ret := make(map[string]string)
for name, dirs := range groupedUnitTests {
for i, d := range dirs {
dirs[i] = fmt.Sprintf("./%s/...", d) // turn into package
}
ret[name] = strings.Join(dirs, " ")
}
return ret
}(),
}
out, err := os.Create("./config.yml")
if err != nil {
panic(err)
}
defer out.Close()
// execute the template.
if err := tmpl.Execute(out, in); err != nil {
panic(err)
}
}