61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
package main
|
|
|
|
import (
|
|
"os"
|
|
"path/filepath"
|
|
"testing"
|
|
)
|
|
|
|
func TestCacheHistoryAndTrim(t *testing.T) {
|
|
dir := t.TempDir()
|
|
idx, err := loadCacheIndex(dir)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, name := range []string{"one.jpg", "two.jpg", "three.jpg"} {
|
|
path := filepath.Join(dir, name)
|
|
if err := os.WriteFile(path, []byte(name), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := idx.add(path, 2); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
if len(idx.Entries) != 2 || idx.Entries[0].FileName != "two.jpg" || idx.Current != 1 {
|
|
t.Fatalf("unexpected trimmed index: %+v", idx)
|
|
}
|
|
if _, err := os.Stat(filepath.Join(dir, "one.jpg")); !os.IsNotExist(err) {
|
|
t.Fatal("oldest cached image was not removed")
|
|
}
|
|
path, moved, err := idx.previous()
|
|
if err != nil || !moved || filepath.Base(path) != "two.jpg" {
|
|
t.Fatalf("unexpected previous result: %q %v %v", path, moved, err)
|
|
}
|
|
if _, moved, err := idx.previous(); err != nil || moved {
|
|
t.Fatalf("expected oldest boundary, moved=%v err=%v", moved, err)
|
|
}
|
|
path, moved, err = idx.next()
|
|
if err != nil || !moved || filepath.Base(path) != "three.jpg" {
|
|
t.Fatalf("unexpected next result: %q %v %v", path, moved, err)
|
|
}
|
|
}
|
|
|
|
func TestCacheIndexRepairsMissingFiles(t *testing.T) {
|
|
dir := t.TempDir()
|
|
idx := &CacheIndex{
|
|
Entries: []CacheEntry{{FileName: "missing.jpg"}},
|
|
Current: 0,
|
|
cacheDir: dir,
|
|
}
|
|
if err := idx.save(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
loaded, err := loadCacheIndex(dir)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if len(loaded.Entries) != 0 || loaded.Current != -1 {
|
|
t.Fatalf("missing file was not repaired: %+v", loaded)
|
|
}
|
|
}
|