pkg: rename test helper

This is less ambiguous, and more consistent with upcoming integration
test suite changes.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 0 insertions, 281 deletions

diff --git a/pkg/internal/testtool/main.go b/pkg/internal/testtool/main.go
deleted file mode 100644
index 80f87435..00000000
--- a/pkg/internal/testtool/main.go
+++ /dev/null
@@ -1,281 +0,0 @@
-//go:build testtool
-
-package main
-
-import (
-	"encoding/gob"
-	"log"
-	"net"
-	"os"
-	"path/filepath"
-	"reflect"
-	"runtime"
-	"slices"
-	"strconv"
-	"strings"
-
-	"hakurei.app/fhs"
-	"hakurei.app/vfs"
-
-	"hakurei.app/pkg/internal/testtool/expected"
-)
-
-func main() {
-	log.SetFlags(0)
-	log.SetPrefix("testtool: ")
-
-	if os.Getenv("HAKUREI_BINFMT") == "1" {
-		wantArgs := []string{"/interpreter", "/opt/bin/sample"}
-		if !slices.Equal(os.Args, wantArgs) {
-			log.Fatalf("Args: %q, want %q", os.Args, wantArgs)
-		}
-
-		if err := os.WriteFile("check", []byte("binfmt"), 0400); err != nil {
-			log.Fatal(err)
-		}
-
-		return
-	}
-
-	environ := slices.DeleteFunc(slices.Clone(os.Environ()), func(s string) bool {
-		for _, t := range []string{
-			"CURE_JOBS=" + strconv.Itoa(runtime.NumCPU()),
-			"CURE_LOAD=" + strconv.Itoa(runtime.NumCPU()+2),
-		} {
-			if s == t {
-				return true
-			}
-		}
-		return false
-	})
-
-	var hostNet, layers, promote bool
-	if len(os.Args) == 2 && os.Args[0] == "testtool" {
-		switch os.Args[1] {
-		case "net":
-			hostNet = true
-			log.SetPrefix("testtool(net): ")
-			break
-
-		case "layers":
-			layers = true
-			log.SetPrefix("testtool(layers): ")
-			break
-
-		case "promote":
-			promote = true
-			log.SetPrefix("testtool(promote): ")
-
-		default:
-			log.Fatalf("Args: %q", os.Args)
-			return
-		}
-	} else if wantArgs := []string{"testtool"}; !slices.Equal(os.Args, wantArgs) {
-		log.Fatalf("Args: %q, want %q", os.Args, wantArgs)
-	}
-
-	var overlayRoot bool
-	wantEnv := []string{"HAKUREI_TEST=1"}
-	if len(environ) == 2 {
-		overlayRoot = true
-		if !layers && !promote {
-			log.SetPrefix("testtool(overlay root): ")
-		}
-		wantEnv = []string{"HAKUREI_TEST=1", "HAKUREI_ROOT=1"}
-	}
-	if !slices.Equal(wantEnv, environ) {
-		log.Fatalf("Environ: %q, want %q", environ, wantEnv)
-	}
-
-	var overlayWork bool
-	const (
-		wantExec     = "/opt/bin/testtool"
-		wantExecWork = "/work/bin/testtool"
-	)
-	var iftPath string
-	if got, err := os.Executable(); err != nil {
-		log.Fatalf("Executable: error = %v", err)
-	} else {
-		iftPath = filepath.Join(filepath.Dir(filepath.Dir(got)), "ift")
-
-		if got != wantExec {
-			switch got {
-			case wantExecWork:
-				overlayWork = true
-				log.SetPrefix("testtool(overlay work): ")
-
-			default:
-				log.Fatalf("Executable: %q, want %q", got, wantExec)
-			}
-		}
-	}
-
-	wantHostname := "cure"
-	if hostNet {
-		wantHostname += "-net"
-	}
-
-	if hostname, err := os.Hostname(); err != nil {
-		log.Fatalf("Hostname: error = %v", err)
-	} else if hostname != wantHostname {
-		log.Fatalf("Hostname: %q, want %q", hostname, wantHostname)
-	}
-
-	var m *vfs.MountInfo
-	if f, err := os.Open(fhs.Proc + "self/mountinfo"); err != nil {
-		log.Fatalf("Open: error = %v", err)
-	} else {
-		err = vfs.NewMountInfoDecoder(f).Decode(&m)
-		closeErr := f.Close()
-		if err != nil {
-			log.Fatalf("Decode: error = %v", err)
-		}
-		if closeErr != nil {
-			log.Fatalf("Close: error = %v", err)
-		}
-	}
-
-	if ift, err := net.Interfaces(); err != nil {
-		log.Fatal(err)
-	} else if !hostNet {
-		if len(ift) != 1 || ift[0].Name != "lo" {
-			log.Fatalln("got interfaces", strings.Join(slices.Collect(func(yield func(ifn string) bool) {
-				for _, ifi := range ift {
-					if !yield(ifi.Name) {
-						break
-					}
-				}
-			}), ", "))
-		}
-	} else {
-		var iftParent []net.Interface
-
-		var r *os.File
-		if r, err = os.Open(iftPath); err != nil {
-			log.Fatal(err)
-		} else {
-			err = gob.NewDecoder(r).Decode(&iftParent)
-			closeErr := r.Close()
-			if err != nil {
-				log.Fatal(err)
-			}
-			if closeErr != nil {
-				log.Fatal(closeErr)
-			}
-		}
-
-		if !reflect.DeepEqual(ift, iftParent) {
-			log.Fatalf("Interfaces: %#v, want %#v", ift, iftParent)
-		}
-	}
-
-	const checksumEmptyDir = "MGWmEfjut2QE2xPJwTsmUzpff4BN_FEnQ7T0j7gvUCCiugJQNwqt9m151fm9D1yU"
-	ident := expected.Offline
-	log.Println(m)
-	next := func() { m = m.Next; log.Println(m) }
-
-	if overlayRoot {
-		ident = expected.OvlRoot
-
-		if m.Root != "/" || m.Target != "/" ||
-			m.Source != "overlay" || m.FsType != "overlay" {
-			log.Fatal("unexpected root mount entry")
-		}
-		var lowerdir []string
-		for _, o := range strings.Split(m.FsOptstr, ",") {
-			const lowerdirKey = "lowerdir+="
-			if strings.HasPrefix(o, lowerdirKey) {
-				lowerdir = append(lowerdir, o[len(lowerdirKey):])
-			}
-		}
-		if !layers {
-			if len(lowerdir) != 1 || filepath.Base(lowerdir[0]) != checksumEmptyDir {
-				log.Fatal("unexpected artifact checksum")
-			}
-		} else {
-			ident = expected.Layers
-
-			if len(lowerdir) != 2 ||
-				filepath.Base(lowerdir[0]) != "MGWmEfjut2QE2xPJwTsmUzpff4BN_FEnQ7T0j7gvUCCiugJQNwqt9m151fm9D1yU" ||
-				filepath.Base(lowerdir[1]) != "nY_CUdiaUM1OL4cPr5TS92FCJ3rCRV7Hm5oVTzAvMXwC03_QnTRfQ5PPs7mOU9fK" {
-				log.Fatalf("unexpected lowerdirs %s", strings.Join(lowerdir, ", "))
-			}
-		}
-	} else {
-		if hostNet {
-			ident = expected.Net
-		}
-
-		if m.Root != "/sysroot" || m.Target != "/" {
-			log.Fatal("unexpected root mount entry")
-		}
-
-		next()
-		if filepath.Base(m.Root) != "OLBgp1GsljhM2TJ-sbHjaiH9txEUvgdDTAzHv2P24donTt6_529l-9Ua0vFImLlb" {
-			log.Fatal("unexpected file artifact checksum")
-		}
-
-		next()
-		if filepath.Base(m.Root) != checksumEmptyDir {
-			log.Fatal("unexpected artifact checksum")
-		}
-	}
-
-	if promote {
-		ident = expected.Promote
-	}
-
-	next() // testtool artifact
-
-	next()
-	if overlayWork {
-		ident = expected.Work
-		if m.Root != "/" || m.Target != "/work" ||
-			m.Source != "overlay" || m.FsType != "overlay" {
-			log.Fatal("unexpected work mount entry")
-		}
-	} else {
-		if filepath.Base(m.Root) != ident || m.Target != "/work" {
-			log.Fatal("unexpected work mount entry")
-		}
-	}
-
-	next()
-	if filepath.Base(m.Root) != ident || m.Target != "/tmp" {
-		log.Fatal("unexpected temp mount entry")
-	}
-
-	next()
-	if m.Root != "/" || m.Target != "/proc" || m.Source != "proc" || m.FsType != "proc" {
-		log.Fatal("unexpected proc mount entry")
-	}
-
-	next()
-	if m.Root != "/" || m.Target != "/dev" || m.Source != "devtmpfs" || m.FsType != "tmpfs" {
-		log.Fatal("unexpected dev mount entry")
-	}
-
-	for i := 0; i < 9; i++ { // private /dev entries
-		next()
-	}
-
-	if m.Next != nil && m.Next.Root == "/kvm" {
-		next()
-	}
-
-	if m.Next != nil {
-		log.Println("unexpected extra mount entries")
-		for m.Next != nil {
-			next()
-		}
-		os.Exit(1)
-	}
-
-	checkData := []byte{0}
-	if hostNet {
-		checkData = []byte("net")
-	}
-	if err := os.WriteFile("check", checkData, 0400); err != nil {
-		log.Fatal(err)
-	}
-}