| 1 | package builtin |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | "time" |
| 11 | ) |
| 12 | |
| 13 | // TestGrepWalkInterruptible proves the native (no-ripgrep) grep walk aborts on a |
| 14 | // cancelled context instead of scanning the whole tree. |
| 15 | func TestGrepWalkInterruptible(t *testing.T) { |
| 16 | dir := t.TempDir() |
| 17 | if err := os.WriteFile(filepath.Join(dir, "a.txt"), []byte("FINDME here\n"), 0o644); err != nil { |
| 18 | t.Fatal(err) |
| 19 | } |
| 20 | ctx, cancel := context.WithCancel(context.Background()) |
| 21 | cancel() // pre-cancelled: the walk must stop before searching |
| 22 | args, _ := json.Marshal(map[string]any{"pattern": "FINDME", "path": dir}) |
| 23 | out, _ := grepTool{}.Execute(ctx, args) |
| 24 | if strings.Contains(out, "FINDME") { |
| 25 | t.Fatalf("cancelled grep kept scanning and matched: %q", out) |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | // TestGlobWalkInterruptible proves the recursive glob walk aborts on cancel. |
| 30 | func TestGlobWalkInterruptible(t *testing.T) { |
| 31 | dir := t.TempDir() |
| 32 | if err := os.MkdirAll(filepath.Join(dir, "sub"), 0o755); err != nil { |
| 33 | t.Fatal(err) |
| 34 | } |
| 35 | if err := os.WriteFile(filepath.Join(dir, "sub", "a.go"), []byte("x"), 0o644); err != nil { |
| 36 | t.Fatal(err) |
| 37 | } |
| 38 | ctx, cancel := context.WithCancel(context.Background()) |
| 39 | cancel() |
| 40 | args, _ := json.Marshal(map[string]any{"pattern": filepath.Join(dir, "**", "*.go")}) |
| 41 | if _, err := (globTool{}).Execute(ctx, args); err == nil { |
| 42 | t.Fatal("cancelled glob should surface a context error, not finish the walk") |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | // TestGlobDeadlineReportsIncomplete proves an expired walk budget degrades to a |
| 47 | // labelled partial result instead of an error, so a deep tree can't hang a turn. |
| 48 | func TestGlobDeadlineReportsIncomplete(t *testing.T) { |
| 49 | dir := t.TempDir() |
| 50 | if err := os.MkdirAll(filepath.Join(dir, "sub"), 0o755); err != nil { |
| 51 | t.Fatal(err) |
| 52 | } |
| 53 | if err := os.WriteFile(filepath.Join(dir, "sub", "a.go"), []byte("x"), 0o644); err != nil { |
| 54 | t.Fatal(err) |
| 55 | } |
| 56 | ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(-time.Second)) |
| 57 | defer cancel() |
| 58 | args, _ := json.Marshal(map[string]any{"pattern": filepath.Join(dir, "**", "*.go")}) |
| 59 | out, err := (globTool{}).Execute(ctx, args) |
| 60 | if err != nil { |
| 61 | t.Fatalf("expired glob budget should return partial results, got error: %v", err) |
| 62 | } |
| 63 | if !strings.Contains(out, "timed out") { |
| 64 | t.Fatalf("expired glob budget should label the result, got %q", out) |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | func TestGlobTimeoutClamp(t *testing.T) { |
| 69 | if got := globTimeout(0); got != globDefaultTimeout { |
| 70 | t.Errorf("globTimeout(0) = %s, want %s", got, globDefaultTimeout) |
| 71 | } |
| 72 | if got := globTimeout(5); got != 5*time.Second { |
| 73 | t.Errorf("globTimeout(5) = %s, want 5s", got) |
| 74 | } |
| 75 | if got := globTimeout(100000); got != globMaxTimeout { |
| 76 | t.Errorf("globTimeout(100000) = %s, want %s", got, globMaxTimeout) |
| 77 | } |
| 78 | } |
| 79 |