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// SPDX-License-Identifier: GPL-3.0-or-later
package engine
import (
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"time"
"krino/internal/cond"
)
// sandbox gives a test its own HOME with no XDG overrides and returns it.
func sandbox(t *testing.T) string {
t.Helper()
h := t.TempDir()
t.Setenv("HOME", h)
for _, v := range []string{"XDG_CONFIG_HOME", "XDG_STATE_HOME", "XDG_DATA_HOME", "XDG_CACHE_HOME"} {
t.Setenv(v, "")
}
return h
}
// writeConfig writes krino.conf and dirs/<name>.conf files under home/.config/krino.
func writeConfig(t *testing.T, home, main string, dirs map[string]string) string {
t.Helper()
cdir := filepath.Join(home, ".config", "krino")
if err := os.MkdirAll(filepath.Join(cdir, "dirs"), 0o755); err != nil {
t.Fatal(err)
}
mainFile := filepath.Join(cdir, "krino.conf")
if err := os.WriteFile(mainFile, []byte(main), 0o644); err != nil {
t.Fatal(err)
}
for n, body := range dirs {
if err := os.WriteFile(filepath.Join(cdir, "dirs", n+".conf"), []byte(body), 0o644); err != nil {
t.Fatal(err)
}
}
return mainFile
}
// fakeFacts is a minimal cond.Facts for checking compiled rules.
type fakeFacts struct{ name string }
func (f fakeFacts) Name() string { return f.name }
func (f fakeFacts) Rel() string { return f.name }
func (f fakeFacts) Size() int64 { return 1 }
func (f fakeFacts) ModTime() time.Time { return time.Time{} }
func (f fakeFacts) Now() time.Time { return time.Time{} }
func (f fakeFacts) Content(bool, bool) (string, error) { return "", nil }
func (f fakeFacts) Duplicate([]string) (string, bool, error) { return "", false, nil }
func (f fakeFacts) Matched() bool { return false }
var _ cond.Facts = fakeFacts{}
func TestLoadCompilesWithRuleSettings(t *testing.T) {
h := sandbox(t)
os.Mkdir(filepath.Join(h, "dl"), 0o755)
main := writeConfig(t, h, `(include "dl")`, map[string]string{"dl": `
(path "~/dl")
(case strict)
(ignore "*.part")
(rule "strict" (when (name "^img")) (stop))
(rule "loose" (case ignore) (when (name "^img")) (stop))
`})
e, errs := Load(main, "dl", "dl")
if len(errs) > 0 {
t.Fatal(errs)
}
if len(e.Dirs) != 1 {
t.Fatalf("got %d dirs, want 1 (duplicate name ignored)", len(e.Dirs))
}
d := e.Dirs[0]
if d.Root != filepath.Join(h, "dl") || d.Ignore == nil || !d.Ignore.Match("x.part", false) {
t.Fatalf("dir = %+v", d)
}
img := fakeFacts{name: "IMG_1.jpg"}
if d.Rules[0].Cond.Eval(img).Match {
t.Error("rule under (case strict) matched IMG against ^img")
}
if !d.Rules[1].Cond.Eval(img).Match {
t.Error("rule-level (case ignore) did not apply at compile time")
}
}
func TestLoadReportsEveryProblem(t *testing.T) {
h := sandbox(t)
main := writeConfig(t, h, `(include "a" "b")`, map[string]string{
"a": `(path "/tmp") (rule "x" (when (type "pdf")) (stop))`,
"b": `(path "/tmp") (ignore "[abc") (rule "y" (when (size 1)) (stop))`,
})
e, errs := Load(main)
if e != nil {
t.Fatal("engine returned despite errors")
}
joined := ""
for _, d := range errs {
joined += d.Error() + "\n"
}
for _, want := range []string{
"a.conf:1:37: type names are bare words: write (type pdf)",
`b.conf: bad ignore pattern "[abc": unterminated [`,
"b.conf:1:47: size takes an operator and a size, like (size > 10M)",
} {
if !strings.Contains(joined, want) {
t.Errorf("missing %q in:\n%s", want, joined)
}
}
}
func TestCheck(t *testing.T) {
h := sandbox(t)
bin := t.TempDir()
os.WriteFile(filepath.Join(bin, "pdftotext"), []byte("#!/bin/sh\n"), 0o755)
t.Setenv("PATH", bin)
os.Mkdir(filepath.Join(h, "here"), 0o755)
main := writeConfig(t, h, `(include "here" "gone")`, map[string]string{
"here": `(path "~/here") (rule "r" (stop))`,
"gone": `(path "~/gone") (rule "r" (stop))`,
})
e, errs := Load(main)
if len(errs) > 0 {
t.Fatal(errs)
}
r := e.Check()
if r.MainFile != main || r.LogFile != filepath.Join(h, ".local", "state", "krino", "krino.log") {
t.Errorf("report files = %q %q", r.MainFile, r.LogFile)
}
if len(r.Dirs) != 2 || r.Dirs[0].Missing || !r.Dirs[1].Missing {
t.Errorf("dirs = %+v", r.Dirs)
}
if r.Tools[0].Name != "pdftotext" || r.Tools[0].Path != filepath.Join(bin, "pdftotext") || r.Tools[1].Path != "" {
t.Errorf("tools = %+v", r.Tools)
}
}
// TestContentVariantsComputedAtLoad: B2 plumbing. Load computes each
// directory's distinct (ignoreCase, fold) content-test variants from its
// rules' resolved settings: a rule with no content test contributes
// nothing; two rules sharing a variant fold into one; a rule-level (case
// ignore) override adds a second.
func TestContentVariantsComputedAtLoad(t *testing.T) {
h := sandbox(t)
os.Mkdir(filepath.Join(h, "dl"), 0o755)
main := writeConfig(t, h, `(include "dl")`, map[string]string{"dl": `
(path "~/dl")
(case strict)
(rule "no-content" (when (type pdf)) (stop))
(rule "strict-content" (when (content "acme")) (stop))
(rule "also-strict-content" (when (content "other")) (stop))
(rule "loose-content" (case ignore) (when (content "acme")) (stop))
`})
e, errs := Load(main, "dl")
if len(errs) > 0 {
t.Fatal(errs)
}
got := e.Dirs[0].ContentVariants
want := []cond.Options{{IgnoreCase: false, Fold: true}, {IgnoreCase: true, Fold: true}}
if !reflect.DeepEqual(got, want) {
t.Fatalf("ContentVariants = %+v, want %+v", got, want)
}
}
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