| 1 | package builtin |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "os" |
| 7 | "os/exec" |
| 8 | "path/filepath" |
| 9 | "strings" |
| 10 | "testing" |
| 11 | "time" |
| 12 | |
| 13 | fileenc "reasonix/internal/fileutil/encoding" |
| 14 | "reasonix/internal/sandbox" |
| 15 | ) |
| 16 | |
| 17 | func TestGrepTimeoutClamp(t *testing.T) { |
| 18 | cases := []struct { |
| 19 | sec int |
| 20 | want time.Duration |
| 21 | }{ |
| 22 | {0, grepDefaultTimeout}, |
| 23 | {-5, grepDefaultTimeout}, |
| 24 | {5, 5 * time.Second}, |
| 25 | {99999, grepMaxTimeout}, |
| 26 | } |
| 27 | for _, c := range cases { |
| 28 | if got := grepTimeout(c.sec); got != c.want { |
| 29 | t.Errorf("grepTimeout(%d) = %v, want %v", c.sec, got, c.want) |
| 30 | } |
| 31 | } |
| 32 | } |
| 33 | |
| 34 | func TestGrepTimeoutPreservesPartialResults(t *testing.T) { |
| 35 | ctx, cancel := context.WithTimeout(context.Background(), time.Nanosecond) |
| 36 | defer cancel() |
| 37 | <-ctx.Done() |
| 38 | |
| 39 | hit := []string{"a.go:1:match"} |
| 40 | got := formatGrep(ctx, hit, false, 30*time.Second) |
| 41 | if !strings.HasPrefix(got, "a.go:1:match") { |
| 42 | t.Errorf("timeout must keep the matches found so far, got %q", got) |
| 43 | } |
| 44 | if !strings.Contains(got, "timed out") || !strings.Contains(got, "timeout_seconds") { |
| 45 | t.Errorf("timeout result must flag the cutoff and point at timeout_seconds, got %q", got) |
| 46 | } |
| 47 | |
| 48 | if got := formatGrep(ctx, nil, false, 30*time.Second); !strings.Contains(got, "timed out") { |
| 49 | t.Errorf("a zero-match timeout must report the timeout, not (no matches), got %q", got) |
| 50 | } |
| 51 | |
| 52 | done := context.Background() |
| 53 | if got := formatGrep(done, nil, false, 30*time.Second); got != "(no matches)" { |
| 54 | t.Errorf("a completed zero-match search = %q, want (no matches)", got) |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | func TestResolveSearch(t *testing.T) { |
| 59 | rgFile := filepath.Join(t.TempDir(), "rg") |
| 60 | if err := os.WriteFile(rgFile, []byte("x"), 0o755); err != nil { |
| 61 | t.Fatal(err) |
| 62 | } |
| 63 | missing := filepath.Join(t.TempDir(), "absent") |
| 64 | |
| 65 | if got := ResolveSearch("native", rgFile, nil); got.RgPath != "" { |
| 66 | t.Fatalf("native must ignore ripgrep, got %q", got.RgPath) |
| 67 | } |
| 68 | if got := ResolveSearch("rg", rgFile, nil); got.RgPath != rgFile { |
| 69 | t.Fatalf(`engine "rg" with an explicit path = %q, want %q`, got.RgPath, rgFile) |
| 70 | } |
| 71 | if got := ResolveSearch("auto", rgFile, nil); got.RgPath != rgFile { |
| 72 | t.Fatalf(`engine "auto" with an explicit path = %q, want %q`, got.RgPath, rgFile) |
| 73 | } |
| 74 | |
| 75 | var warn bytes.Buffer |
| 76 | if got := ResolveSearch("rg", missing, &warn); got.RgPath != "" { |
| 77 | t.Fatalf(`engine "rg" with a missing binary must fall back to native, got %q`, got.RgPath) |
| 78 | } |
| 79 | if !strings.Contains(warn.String(), "ripgrep") { |
| 80 | t.Fatalf("expected a fall-back warning mentioning ripgrep, got %q", warn.String()) |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | func TestConfineSearch(t *testing.T) { |
| 85 | g, ok := ConfineSearch(SearchSpec{RgPath: "/path/to/rg"}, sandbox.Spec{}, nil).(grepTool) |
| 86 | if !ok || g.rg != "/path/to/rg" { |
| 87 | t.Fatalf("ConfineSearch must bind the rg path, got %+v ok=%v", g, ok) |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | func TestGrepRipgrepEngine(t *testing.T) { |
| 92 | rg, err := exec.LookPath("rg") |
| 93 | if err != nil { |
| 94 | t.Skip("ripgrep not installed") |
| 95 | } |
| 96 | dir := t.TempDir() |
| 97 | if err := os.WriteFile(filepath.Join(dir, "a.txt"), []byte("alpha\nBETA needle here\ngamma\n"), 0o644); err != nil { |
| 98 | t.Fatal(err) |
| 99 | } |
| 100 | g := grepTool{rg: rg} |
| 101 | |
| 102 | out := runTool(t, g, map[string]any{"pattern": "needle", "path": dir}) |
| 103 | if !strings.Contains(out, "a.txt:2:BETA needle here") { |
| 104 | t.Fatalf("ripgrep output = %q, want path:line:text with the match", out) |
| 105 | } |
| 106 | |
| 107 | if out := runTool(t, g, map[string]any{"pattern": "zzz_absent_token", "path": dir}); out != "(no matches)" { |
| 108 | t.Fatalf("no-match search = %q, want (no matches)", out) |
| 109 | } |
| 110 | |
| 111 | if _, err := g.Execute(context.Background(), argsJSON(t, map[string]any{"pattern": "(unclosed", "path": dir})); err == nil { |
| 112 | t.Fatal("an invalid regex must surface ripgrep's error") |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | func TestGrepRipgrepFallsBackWhenForbidReadIsNotSandboxed(t *testing.T) { |
| 117 | rg, err := exec.LookPath("rg") |
| 118 | if err != nil { |
| 119 | t.Skip("ripgrep not installed") |
| 120 | } |
| 121 | root := t.TempDir() |
| 122 | forbidDir := filepath.Join(root, "secret") |
| 123 | if err := os.MkdirAll(forbidDir, 0o755); err != nil { |
| 124 | t.Fatal(err) |
| 125 | } |
| 126 | if err := os.WriteFile(filepath.Join(root, "allowed.txt"), []byte("needle allowed\n"), 0o644); err != nil { |
| 127 | t.Fatal(err) |
| 128 | } |
| 129 | if err := os.WriteFile(filepath.Join(forbidDir, "secret.txt"), []byte("needle secret\n"), 0o644); err != nil { |
| 130 | t.Fatal(err) |
| 131 | } |
| 132 | |
| 133 | g := grepTool{workDir: root, rg: rg, forbidRoots: realRoots([]string{forbidDir}), sb: sandbox.Spec{Mode: "off"}} |
| 134 | out := runTool(t, g, map[string]any{"pattern": "needle", "path": "."}) |
| 135 | if !strings.Contains(out, "allowed.txt") { |
| 136 | t.Fatalf("fallback grep should still find allowed matches, got:\n%s", out) |
| 137 | } |
| 138 | if strings.Contains(out, "secret") { |
| 139 | t.Fatalf("fallback grep leaked forbidden matches:\n%s", out) |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | func TestGrepNativeStreamsUTF16WithAndWithoutBOM(t *testing.T) { |
| 144 | content := strings.Repeat("ordinary line\n", 20000) + "needle UTF16-END\n" |
| 145 | cases := []struct { |
| 146 | name string |
| 147 | kind fileenc.Kind |
| 148 | }{ |
| 149 | {"le-bom", fileenc.UTF16LE}, {"be-bom", fileenc.UTF16BE}, |
| 150 | {"le-no-bom", fileenc.UTF16LENoBOM}, {"be-no-bom", fileenc.UTF16BENoBOM}, |
| 151 | } |
| 152 | for _, tc := range cases { |
| 153 | t.Run(tc.name, func(t *testing.T) { |
| 154 | path := filepath.Join(t.TempDir(), "windows-utf16.txt") |
| 155 | if err := os.WriteFile(path, fileenc.Encode(content, tc.kind), 0o644); err != nil { |
| 156 | t.Fatal(err) |
| 157 | } |
| 158 | out := runTool(t, grepTool{}, map[string]any{"pattern": "UTF16-END", "path": path}) |
| 159 | if !strings.Contains(out, "20001:needle UTF16-END") || strings.Contains(out, "\x00") { |
| 160 | t.Fatalf("native UTF-16 grep output=%q", out) |
| 161 | } |
| 162 | }) |
| 163 | } |
| 164 | } |
| 165 |