59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
package common
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"testing"
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"time"
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)
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func TestGameClockSharedStateAndReset(t *testing.T) {
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raw, err := os.ReadFile(filepath.Join("..", "..", "server.json"))
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if err != nil {
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t.Fatal(err)
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}
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var cfg RuntimeConfig
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if err := json.Unmarshal(raw, &cfg); err != nil {
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t.Fatal(err)
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}
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dir := t.TempDir()
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cfg.GameClock.StateFile = filepath.Join(dir, "clock.json")
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configPath := filepath.Join(dir, "server.json")
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raw, _ = json.Marshal(cfg)
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if err := os.WriteFile(configPath, raw, 0600); err != nil {
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t.Fatal(err)
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}
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t.Setenv("GAC_CONFIG", configPath)
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t.Setenv("GAC_GAME_CLOCK_STATE_FILE", cfg.GameClock.StateFile)
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target := time.Date(2025, 1, 2, 3, 4, 5, 0, time.UTC)
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if _, err := SetGameTime(&target); err != nil {
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t.Fatal(err)
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}
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now, err := GameTime()
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if err != nil || now.Sub(target) < 0 || now.Sub(target) > time.Second {
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t.Fatalf("target not preserved: %v %v", now, err)
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}
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before, _ := os.ReadFile(cfg.GameClock.StateFile)
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if _, err := ReadGameClock(); err != nil {
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t.Fatal(err)
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}
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after, _ := os.ReadFile(cfg.GameClock.StateFile)
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if string(before) != string(after) {
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t.Fatal("read rewrote state")
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}
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if _, err := SetGameTime(nil); err != nil {
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t.Fatal(err)
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}
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now, err = GameTime()
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if err != nil || time.Since(now).Abs() > time.Second {
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t.Fatalf("real time not restored: %v %v", now, err)
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}
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if err := os.WriteFile(cfg.GameClock.StateFile, []byte(`{"offset_ms":9223372036854775807}`), 0600); err != nil {
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t.Fatal(err)
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}
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if _, err := GameTime(); err == nil {
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t.Fatal("overflowing offset accepted")
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}
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}
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