first commit

2026-08-14 23:41:57 +08:00
commit 086803a8dd
471 changed files with 91938 additions and 0 deletions
@@ -0,0 +1,52 @@
+package selfupdate
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+)
+
+func TestCachedLatest(t *testing.T) {
+	dir := t.TempDir()
+	t.Setenv("PIGO_HOME", dir)
+
+	// No cache file yet → not fresh, empty latest.
+	if latest, fresh := CachedLatest(); latest != "" || fresh {
+		t.Errorf("empty cache = (%q,%v), want (\"\",false)", latest, fresh)
+	}
+
+	// Fresh cache → returns latest and fresh=true.
+	writeCache("v0.4.0")
+	if latest, fresh := CachedLatest(); latest != "v0.4.0" || !fresh {
+		t.Errorf("fresh cache = (%q,%v), want (v0.4.0,true)", latest, fresh)
+	}
+
+	// Stale cache (older than TTL) → latest kept, fresh=false.
+	stale, _ := json.Marshal(updateCache{CheckedAt: time.Now().Add(-25 * time.Hour), Latest: "v0.3.0"})
+	if err := os.WriteFile(filepath.Join(dir, cacheFileName), stale, 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if latest, fresh := CachedLatest(); latest != "v0.3.0" || fresh {
+		t.Errorf("stale cache = (%q,%v), want (v0.3.0,false)", latest, fresh)
+	}
+
+	// Corrupt cache → silent ("", false), never an error.
+	if err := os.WriteFile(filepath.Join(dir, cacheFileName), []byte("{not json"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if latest, fresh := CachedLatest(); latest != "" || fresh {
+		t.Errorf("corrupt cache = (%q,%v), want (\"\",false)", latest, fresh)
+	}
+}
+
+func TestStartBackgroundCheckDevNoWrite(t *testing.T) {
+	dir := t.TempDir()
+	t.Setenv("PIGO_HOME", dir)
+	// dev is not a release version → must not touch the network or write a cache.
+	StartBackgroundCheck("dev")
+	if _, err := os.Stat(filepath.Join(dir, cacheFileName)); !os.IsNotExist(err) {
+		t.Errorf("dev build wrote a cache file; want none")
+	}
+}