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go-mtree/update_test.go
Aleksa Sarai 3252a4ad82
test: migrate most tests to testify
testify makes most bog-standard test checks much easier to read and
maintain, and is quite widely used. It wasn't really well known back
when go-mtree was first written, but the migration is fairly
straight-forward for most tests.

Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
2025-09-20 12:43:45 +10:00

94 lines
2.5 KiB
Go

//go:build go1.7
// +build go1.7
package mtree
import (
"container/heap"
"os"
"os/user"
"path/filepath"
"strconv"
"testing"
"time"
"github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func init() {
logrus.SetLevel(logrus.DebugLevel)
}
//gocyclo:ignore
func TestUpdate(t *testing.T) {
content := []byte("I know half of you half as well as I ought to")
dir := t.TempDir()
tmpfn := filepath.Join(dir, "tmpfile")
require.NoError(t, os.WriteFile(tmpfn, content, 0666))
// Walk this tempdir
dh, err := Walk(dir, nil, append(DefaultKeywords, "sha1"), nil)
require.NoErrorf(t, err, "walk %s", dir)
// Touch a file, so the mtime changes.
now := time.Now()
require.NoError(t, os.Chtimes(tmpfn, now, now))
require.NoError(t, os.Chmod(tmpfn, os.FileMode(0600)))
// Changing user is a little tough, but the group can be changed by a limited user to any group that the user is a member of. So just choose one that is not the current main group.
u, err := user.Current()
require.NoError(t, err, "get current user")
ugroups, err := u.GroupIds()
require.NoError(t, err, "get current user groups")
for _, ugroup := range ugroups {
if ugroup == u.Gid {
continue
}
gid, err := strconv.Atoi(ugroup)
require.NoErrorf(t, err, "parse group %q", ugroup)
require.NoError(t, os.Lchown(tmpfn, -1, gid))
}
// Check for sanity. This ought to have failures
res, err := Check(dir, dh, nil, nil)
require.NoErrorf(t, err, "check %s", dir)
assert.NotEmpty(t, res, "should see mtime/chown/chtimes deltas from check")
//dh.WriteTo(os.Stdout)
res, err = Update(dir, dh, DefaultUpdateKeywords, nil)
require.NoErrorf(t, err, "update %d", err)
if !assert.Empty(t, res, "update implied check") {
pprintInodeDeltas(t, res)
}
// Now check that we're sane again
res, err = Check(dir, dh, nil, nil)
require.NoErrorf(t, err, "update %s", dir)
if !assert.Empty(t, res, "post-update check") {
pprintInodeDeltas(t, res)
}
}
func TestPathUpdateHeap(t *testing.T) {
h := &pathUpdateHeap{
pathUpdate{Path: "not/the/longest"},
pathUpdate{Path: "almost/the/longest"},
pathUpdate{Path: "."},
pathUpdate{Path: "short"},
}
heap.Init(h)
v := "this/is/one/is/def/the/longest"
heap.Push(h, pathUpdate{Path: v})
longest := len(v)
var p string
for h.Len() > 0 {
p = heap.Pop(h).(pathUpdate).Path
assert.LessOrEqual(t, len(p), longest, "expected next path %q to be shorter", p)
}
assert.Equal(t, ".", p, ". should be the last path")
}