返回 DeepSeek-Reasonix
builtin_test.go
根目录 / internal / tool / builtin / builtin_test.go
1 package builtin
2
3 import (
4 "bytes"
5 "context"
6 "encoding/binary"
7 "encoding/json"
8 "fmt"
9 "net/http"
10 "net/http/httptest"
11 "os"
12 "path/filepath"
13 "strings"
14 "testing"
15 "unicode/utf16"
16
17 "go.uber.org/goleak"
18 "golang.org/x/text/encoding/simplifiedchinese"
19
20 "reasonix/internal/tool"
21 )
22
23 // argsJSON marshals m into the JSON form a tool expects. Tests must not build
24 // the JSON by concatenating Go strings: on Windows, t.TempDir() returns a path
25 // like C:\Users\… and the embedded backslashes are interpreted as JSON string
26 // escapes (\U triggers a parse error). json.Marshal handles the escaping.
27 func argsJSON(t *testing.T, m map[string]any) json.RawMessage {
28 t.Helper()
29 b, err := json.Marshal(m)
30 if err != nil {
31 t.Fatalf("marshal args: %v", err)
32 }
33 return json.RawMessage(b)
34 }
35
36 func runTool(t *testing.T, tl tool.Tool, m map[string]any) string {
37 t.Helper()
38 out, err := tl.Execute(context.Background(), argsJSON(t, m))
39 if err != nil {
40 t.Fatalf("%s: %v", tl.Name(), err)
41 }
42 return out
43 }
44
45 func TestBuiltinsRegistered(t *testing.T) {
46 want := []string{"bash", "code_index", "compress", "edit_file", "glob", "grep", "ls", "move_file", "multi_edit", "read_file", "web_fetch", "write_file"}
47 for _, name := range want {
48 if _, ok := tool.LookupBuiltin(name); !ok {
49 t.Errorf("built-in %q not registered", name)
50 }
51 }
52 }
53
54 // TestBuiltinReadOnlyClassification locks in which built-ins the agent may
55 // parallelise. Flipping a writer (write_file, edit_file, bash) to ReadOnly
56 // would re-order writes against reads in the same turn; this test fails fast
57 // if that ever happens. bash specifically must stay non-ReadOnly even though
58 // many invocations are pure reads — args aren't introspected.
59 func TestBuiltinReadOnlyClassification(t *testing.T) {
60 readOnly := map[string]bool{
61 "read_file": true, "ls": true, "glob": true, "grep": true, "code_index": true, "compress": true, "web_fetch": true,
62 "write_file": false, "edit_file": false, "multi_edit": false, "move_file": false, "bash": false,
63 }
64 for name, want := range readOnly {
65 tl, ok := tool.LookupBuiltin(name)
66 if !ok {
67 t.Fatalf("built-in %q not registered", name)
68 }
69 if got := tl.ReadOnly(); got != want {
70 t.Errorf("%s.ReadOnly() = %v, want %v", name, got, want)
71 }
72 }
73 }
74
75 type compressStub struct {
76 request tool.CompressRequest
77 result tool.CompressResult
78 }
79
80 func (s *compressStub) CompressContext(_ context.Context, request tool.CompressRequest) (tool.CompressResult, error) {
81 s.request = request
82 return s.result, nil
83 }
84
85 func TestCompressToolProtocol(t *testing.T) {
86 stub := &compressStub{result: tool.CompressResult{
87 Status: "ok", Direction: "before", Anchor: "unique", Messages: 4,
88 SourceTokens: 900, ProjectionTokens: 200, Mode: "summarized",
89 }}
90 ctx := tool.WithContextCompressor(context.Background(), stub)
91 out, err := (compressContext{}).Execute(ctx, argsJSON(t, map[string]any{
92 "direction": "before", "anchor": " unique excerpt ", "focus": " keep decisions ",
93 }))
94 if err != nil {
95 t.Fatalf("compress Execute: %v", err)
96 }
97 if stub.request.Direction != "before" || stub.request.Anchor != "unique excerpt" || stub.request.Focus != "keep decisions" {
98 t.Fatalf("forwarded request = %+v", stub.request)
99 }
100 var got tool.CompressResult
101 if err := json.Unmarshal([]byte(out), &got); err != nil {
102 t.Fatalf("decode result: %v", err)
103 }
104 if got != stub.result {
105 t.Fatalf("result = %+v, want %+v", got, stub.result)
106 }
107 if !(compressContext{}).ReadOnly() || !(compressContext{}).PlanModeSafe() {
108 t.Fatal("compress must be workspace-read-only and Plan Mode safe")
109 }
110 }
111
112 func TestCompressToolRejectsInvalidArgs(t *testing.T) {
113 tests := []struct {
114 name string
115 args map[string]any
116 want string
117 }{
118 {name: "direction", args: map[string]any{"direction": "around", "anchor": "x"}, want: "direction"},
119 {name: "case-sensitive direction", args: map[string]any{"direction": "Before", "anchor": "x"}, want: "direction"},
120 {name: "empty anchor", args: map[string]any{"direction": "before", "anchor": " "}, want: "empty"},
121 {name: "long anchor", args: map[string]any{"direction": "before", "anchor": strings.Repeat("a", 513)}, want: "512 bytes"},
122 {name: "long focus", args: map[string]any{"direction": "before", "anchor": "x", "focus": strings.Repeat("a", 2001)}, want: "2000 bytes"},
123 }
124 for _, tt := range tests {
125 t.Run(tt.name, func(t *testing.T) {
126 _, err := (compressContext{}).Execute(context.Background(), argsJSON(t, tt.args))
127 if err == nil || !strings.Contains(err.Error(), tt.want) {
128 t.Fatalf("error = %v, want containing %q", err, tt.want)
129 }
130 })
131 }
132 }
133
134 func TestCompressToolRequiresActiveAgent(t *testing.T) {
135 _, err := (compressContext{}).Execute(context.Background(), argsJSON(t, map[string]any{
136 "direction": "after", "anchor": "unique",
137 }))
138 if err == nil || !strings.Contains(err.Error(), "active agent session") {
139 t.Fatalf("error = %v, want unavailable context compressor", err)
140 }
141 }
142
143 func TestReadFile(t *testing.T) {
144 dir := t.TempDir()
145 f := filepath.Join(dir, "src.go")
146 body := "package main\n\nfunc main() {}\n"
147 os.WriteFile(f, []byte(body), 0o644)
148
149 out := runTool(t, readFile{}, map[string]any{"path": f})
150 // Line numbers must be present, right-aligned, with the arrow separator.
151 for _, want := range []string{"1→package main", "2→", "3→func main"} {
152 if !strings.Contains(out, want) {
153 t.Errorf("missing %q in:\n%s", want, out)
154 }
155 }
156 }
157
158 func TestReadFileDirectory(t *testing.T) {
159 dir := t.TempDir()
160 _, err := readFile{}.Execute(context.Background(), argsJSON(t, map[string]any{"path": dir}))
161 if err == nil {
162 t.Fatal("read_file on a directory should error, not return contents")
163 }
164 // The message must be actionable (point at ls) and not the doubled
165 // "read X: read X:" the raw scanner error produced.
166 if !strings.Contains(err.Error(), "directory") || !strings.Contains(err.Error(), "ls") {
167 t.Errorf("error should tell the model to use ls, got: %v", err)
168 }
169 if strings.Count(err.Error(), "read "+dir) > 1 {
170 t.Errorf("error is doubled: %v", err)
171 }
172 }
173
174 func TestReadFileOffsetLimit(t *testing.T) {
175 dir := t.TempDir()
176 f := filepath.Join(dir, "many.txt")
177 var b strings.Builder
178 for i := 1; i <= 50; i++ {
179 fmt.Fprintf(&b, "line %d\n", i)
180 }
181 os.WriteFile(f, []byte(b.String()), 0o644)
182
183 out := runTool(t, readFile{}, map[string]any{"path": f, "offset": 10, "limit": 5})
184 // Should see lines 11-15 only.
185 for _, want := range []string{"11→line 11", "15→line 15"} {
186 if !strings.Contains(out, want) {
187 t.Errorf("missing %q in:\n%s", want, out)
188 }
189 }
190 for _, leak := range []string{"line 5\n", "line 16\n", "line 20\n"} {
191 if strings.Contains(out, leak) {
192 t.Errorf("leaked %q (outside the slice)\n%s", leak, out)
193 }
194 }
195 // Trailer announces what's left so the model can paginate.
196 if !strings.Contains(out, "PARTIAL view") || !strings.Contains(out, "offset=15") {
197 t.Errorf("pagination hint missing:\n%s", out)
198 }
199 }
200
201 func TestReadFileBinary(t *testing.T) {
202 f := filepath.Join(t.TempDir(), "blob")
203 os.WriteFile(f, []byte{0x7f, 'E', 'L', 'F', 0, 0, 0}, 0o644)
204
205 _, err := readFile{}.Execute(context.Background(), argsJSON(t, map[string]any{"path": f}))
206 if err == nil || !strings.Contains(err.Error(), "binary") {
207 t.Errorf("expected binary-file error, got %v", err)
208 }
209 }
210
211 func TestReadFileBOM(t *testing.T) {
212 enc := func(order binary.ByteOrder, s string) []byte {
213 var b bytes.Buffer
214 if order == binary.LittleEndian {
215 b.Write([]byte{0xFF, 0xFE})
216 } else {
217 b.Write([]byte{0xFE, 0xFF})
218 }
219 for _, r := range utf16.Encode([]rune(s)) {
220 _ = binary.Write(&b, order, r)
221 }
222 return b.Bytes()
223 }
224 cases := map[string][]byte{
225 "utf16le.txt": enc(binary.LittleEndian, "hello world\nsecond line"),
226 "utf16be.txt": enc(binary.BigEndian, "hello world\nsecond line"),
227 "utf8bom.txt": append([]byte{0xEF, 0xBB, 0xBF}, []byte("hello world\nsecond line")...),
228 }
229 for name, content := range cases {
230 f := filepath.Join(t.TempDir(), name)
231 os.WriteFile(f, content, 0o644)
232 out := runTool(t, readFile{}, map[string]any{"path": f})
233 if !strings.Contains(out, "hello world") || !strings.Contains(out, "second line") {
234 t.Errorf("%s: expected decoded text, got %q", name, out)
235 }
236 if strings.Contains(out, "\ufeff") || strings.IndexByte(out, 0) >= 0 {
237 t.Errorf("%s: BOM/NUL leaked into output: %q", name, out)
238 }
239 }
240 }
241
242 func TestReadFileEmpty(t *testing.T) {
243 f := filepath.Join(t.TempDir(), "empty.txt")
244 os.WriteFile(f, nil, 0o644)
245 if out := runTool(t, readFile{}, map[string]any{"path": f}); !strings.Contains(out, "empty") {
246 t.Errorf("empty file should report empty, got %q", out)
247 }
248 }
249
250 func TestEditFile(t *testing.T) {
251 f := filepath.Join(t.TempDir(), "a.txt")
252 os.WriteFile(f, []byte("hello world\n"), 0o644)
253
254 out := runTool(t, editFile{}, map[string]any{"path": f, "old_string": "world", "new_string": "reasonix"})
255 for _, want := range []string{"Actual replacement receipt after write:", "-world", "+reasonix"} {
256 if !strings.Contains(out, want) {
257 t.Fatalf("edit result should contain %q in actual post-write receipt:\n%s", want, out)
258 }
259 }
260 if strings.Contains(out, "hello") {
261 t.Fatalf("edit receipt should not include unchanged same-line content:\n%s", out)
262 }
263 if b, _ := os.ReadFile(f); string(b) != "hello reasonix\n" {
264 t.Fatalf("after edit = %q", b)
265 }
266
267 // Non-unique old_string must error and not modify the file.
268 os.WriteFile(f, []byte("x x x"), 0o644)
269 args := argsJSON(t, map[string]any{"path": f, "old_string": "x", "new_string": "y"})
270 if _, err := (editFile{}).Execute(context.Background(), args); err == nil {
271 t.Fatal("expected not-unique error")
272 } else if !strings.Contains(err.Error(), "repeated separator lines") {
273 t.Fatalf("not-unique error should steer away from weak anchors, got: %v", err)
274 }
275 if b, _ := os.ReadFile(f); string(b) != "x x x" {
276 t.Fatalf("file modified despite error: %q", b)
277 }
278 }
279
280 func TestMultiEdit(t *testing.T) {
281 f := filepath.Join(t.TempDir(), "src.go")
282 body := "package old\n\nfunc old() {\n\told()\n}\n"
283 os.WriteFile(f, []byte(body), 0o644)
284
285 // Two edits: rename the package (unique) then sweep every old → new.
286 out := runTool(t, multiEdit{}, map[string]any{
287 "path": f,
288 "edits": []map[string]any{
289 {"old_string": "package old", "new_string": "package new"},
290 {"old_string": "old", "new_string": "reasonix", "replace_all": true},
291 },
292 })
293 if !strings.Contains(out, "multi_edit") || !strings.Contains(out, "2 edits applied") {
294 t.Errorf("summary unexpected: %q", out)
295 }
296 for _, want := range []string{"Actual replacement receipt after write:", "-package old", "+package new", "-old", "+reasonix"} {
297 if !strings.Contains(out, want) {
298 t.Fatalf("multi_edit result should contain %q in actual post-write receipt:\n%s", want, out)
299 }
300 }
301 if strings.Contains(out, "func reasonix") {
302 t.Fatalf("multi_edit receipt should not include unchanged same-line content:\n%s", out)
303 }
304 got, _ := os.ReadFile(f)
305 want := "package new\n\nfunc reasonix() {\n\treasonix()\n}\n"
306 if string(got) != want {
307 t.Errorf("after multi_edit = %q\n want = %q", got, want)
308 }
309 }
310
311 // TestMultiEditAtomicity is the safety guarantee: if any edit fails, the file
312 // stays exactly as it was. A chained sequence of single edit_file calls would
313 // have left a half-written intermediate state.
314 func TestMultiEditAtomicity(t *testing.T) {
315 f := filepath.Join(t.TempDir(), "a.txt")
316 original := "alpha\nbeta\ngamma\n"
317 os.WriteFile(f, []byte(original), 0o644)
318
319 args := argsJSON(t, map[string]any{
320 "path": f,
321 "edits": []map[string]any{
322 {"old_string": "alpha", "new_string": "ALPHA"},
323 {"old_string": "no-such-text", "new_string": "x"},
324 {"old_string": "gamma", "new_string": "GAMMA"},
325 },
326 })
327 if _, err := (multiEdit{}).Execute(context.Background(), args); err == nil {
328 t.Fatal("expected failure on the missing edit")
329 }
330 got, _ := os.ReadFile(f)
331 if string(got) != original {
332 t.Errorf("file was modified despite failure:\n got %q\nwant %q", got, original)
333 }
334 }
335
336 func TestGrep(t *testing.T) {
337 dir := t.TempDir()
338 os.WriteFile(filepath.Join(dir, "a.go"), []byte("package main\nfunc Foo() {}\n"), 0o644)
339 os.WriteFile(filepath.Join(dir, "b.go"), []byte("var x = 1\n"), 0o644)
340
341 out := runTool(t, grepTool{}, map[string]any{"pattern": "func ", "path": dir})
342 if !strings.Contains(out, "Foo") || strings.Contains(out, "var x") {
343 t.Fatalf("grep result = %q", out)
344 }
345 }
346
347 // TestWebFetchHTML serves a tiny HTML page and checks the reducer keeps the
348 // readable text while removing scripts, styles, and tags.
349 func TestWebFetchHTML(t *testing.T) {
350 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
351 w.Header().Set("Content-Type", "text/html; charset=utf-8")
352 _, _ = w.Write([]byte(`<!doctype html>
353 <html><head><title>T</title><style>body{color:red}</style></head>
354 <body>
355 <h1>Hello &amp; world</h1>
356 <script>alert("bad")</script>
357 <p>Visible text.</p>
358 </body></html>`))
359 }))
360 defer srv.Close()
361
362 out := runTool(t, webFetch{}, map[string]any{"url": srv.URL})
363 for _, want := range []string{"Hello & world", "Visible text", "text/html"} {
364 if !strings.Contains(out, want) {
365 t.Errorf("missing %q in:\n%s", want, out)
366 }
367 }
368 for _, leak := range []string{"<script", "alert(", "<style", "<h1>", "&amp;"} {
369 if strings.Contains(out, leak) {
370 t.Errorf("leaked raw HTML/script %q", leak)
371 }
372 }
373 }
374
375 func TestWebFetchHTMLTokenizerHandlesAttributesAndEntities(t *testing.T) {
376 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
377 w.Header().Set("Content-Type", "text/html")
378 _, _ = w.Write([]byte(`<html><body><p title="1 > 0">Tom&#39;s &nbsp; docs</p><script>visible = false</script><p>Next</p></body></html>`))
379 }))
380 defer srv.Close()
381
382 out := runTool(t, webFetch{}, map[string]any{"url": srv.URL})
383 for _, want := range []string{"Tom's docs", "Next"} {
384 if !strings.Contains(out, want) {
385 t.Fatalf("missing %q in:\n%s", want, out)
386 }
387 }
388 if strings.Contains(out, "visible = false") || strings.Contains(out, "title=") || strings.Contains(out, "&#39;") {
389 t.Fatalf("HTML tokenizer leaked markup/script/entity:\n%s", out)
390 }
391 }
392
393 func TestWebFetchHTMLStructuredText(t *testing.T) {
394 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
395 w.Header().Set("Content-Type", "text/html")
396 _, _ = w.Write([]byte(`<html><head><title>Doc title</title></head><body>
397 <h1>Main</h1>
398 <p>Read the <a href="/guide?a=1&amp;b=2">guide</a>.</p>
399 <ul><li>First</li><li>Second</li></ul>
400 <pre>go test ./...
401 line two</pre>
402 <table><tr><th>Name</th><th>Value</th></tr><tr><td>A</td><td>42</td></tr></table>
403 </body></html>`))
404 }))
405 defer srv.Close()
406
407 out := runTool(t, webFetch{}, map[string]any{"url": srv.URL})
408 for _, want := range []string{
409 "# Doc title",
410 "# Main",
411 "guide (/guide?a=1&b=2)",
412 "- First",
413 "- Second",
414 "```\ngo test ./...\nline two\n```",
415 "Name | Value",
416 "A | 42",
417 } {
418 if !strings.Contains(out, want) {
419 t.Fatalf("structured HTML output missing %q:\n%s", want, out)
420 }
421 }
422 }
423
424 // TestWebFetchPlain confirms non-HTML bodies pass through untouched (apart
425 // from the prepended status header).
426 func TestWebFetchPlain(t *testing.T) {
427 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
428 w.Header().Set("Content-Type", "text/plain")
429 _, _ = w.Write([]byte("line1\nline2\n"))
430 }))
431 defer srv.Close()
432
433 out := runTool(t, webFetch{}, map[string]any{"url": srv.URL})
434 if !strings.Contains(out, "line1") || !strings.Contains(out, "line2") {
435 t.Errorf("plain body content missing:\n%s", out)
436 }
437 if strings.Contains(out, "<") {
438 t.Errorf("html reducer ran on text/plain: %s", out)
439 }
440 }
441
442 // TestWebFetchSchemeRejected blocks anything that's not http(s) so the tool
443 // can't be tricked into reading file:// or arbitrary URI schemes.
444 func TestWebFetchSchemeRejected(t *testing.T) {
445 _, err := webFetch{}.Execute(context.Background(), argsJSON(t, map[string]any{"url": "file:///etc/passwd"}))
446 if err == nil || !strings.Contains(err.Error(), "http(s)") {
447 t.Errorf("expected scheme rejection, got %v", err)
448 }
449 }
450
451 func TestLsAndGlob(t *testing.T) {
452 dir := t.TempDir()
453 os.WriteFile(filepath.Join(dir, "x.txt"), []byte("hi"), 0o644)
454 os.Mkdir(filepath.Join(dir, "sub"), 0o755)
455
456 ls := runTool(t, listDir{}, map[string]any{"path": dir})
457 if !strings.Contains(ls, "x.txt") || !strings.Contains(ls, "sub/") {
458 t.Fatalf("ls result = %q", ls)
459 }
460
461 g := runTool(t, globTool{}, map[string]any{"pattern": filepath.Join(dir, "*.txt")})
462 if !strings.Contains(g, "x.txt") {
463 t.Fatalf("glob result = %q", g)
464 }
465 }
466
467 func TestGlobRecursive(t *testing.T) {
468 dir := t.TempDir()
469 // Create a nested structure:
470 // dir/a.go
471 // dir/sub/b.go
472 // dir/sub/deep/c.go
473 // dir/sub/deep/c.txt
474 // dir/other.txt
475 os.WriteFile(filepath.Join(dir, "a.go"), []byte("package a"), 0o644)
476 os.MkdirAll(filepath.Join(dir, "sub", "deep"), 0o755)
477 os.WriteFile(filepath.Join(dir, "sub", "b.go"), []byte("package b"), 0o644)
478 os.WriteFile(filepath.Join(dir, "sub", "deep", "c.go"), []byte("package c"), 0o644)
479 os.WriteFile(filepath.Join(dir, "sub", "deep", "c.txt"), []byte("text"), 0o644)
480 os.WriteFile(filepath.Join(dir, "other.txt"), []byte("other"), 0o644)
481
482 // ** *.go should find all .go files recursively.
483 out := runTool(t, globTool{}, map[string]any{"pattern": filepath.Join(dir, "**", "*.go")})
484 if !strings.Contains(out, "a.go") {
485 t.Errorf("missing a.go in:\n%s", out)
486 }
487 if !strings.Contains(out, "b.go") {
488 t.Errorf("missing b.go in:\n%s", out)
489 }
490 if !strings.Contains(out, "c.go") {
491 t.Errorf("missing c.go in:\n%s", out)
492 }
493 // Should not include .txt files.
494 if strings.Contains(out, "other.txt") || strings.Contains(out, "c.txt") {
495 t.Errorf("should not include .txt files:\n%s", out)
496 }
497
498 // ** *.txt should find all .txt files recursively.
499 out2 := runTool(t, globTool{}, map[string]any{"pattern": filepath.Join(dir, "**", "*.txt")})
500 if !strings.Contains(out2, "other.txt") {
501 t.Errorf("missing other.txt in:\n%s", out2)
502 }
503 if !strings.Contains(out2, "c.txt") {
504 t.Errorf("missing c.txt in:\n%s", out2)
505 }
506
507 // ** with no suffix should find all files.
508 out3 := runTool(t, globTool{}, map[string]any{"pattern": filepath.Join(dir, "**")})
509 if !strings.Contains(out3, "a.go") || !strings.Contains(out3, "c.txt") {
510 t.Errorf("bare ** should find all files:\n%s", out3)
511 }
512 }
513
514 func TestGlobForwardSlashPattern(t *testing.T) {
515 dir := t.TempDir()
516 os.MkdirAll(filepath.Join(dir, "sub", "deep"), 0o755)
517 os.WriteFile(filepath.Join(dir, "top.txt"), []byte("x"), 0o644)
518 os.WriteFile(filepath.Join(dir, "sub", "deep", "nested.txt"), []byte("y"), 0o644)
519 t.Chdir(dir)
520
521 out := runTool(t, globTool{}, map[string]any{"pattern": "**/*.txt"})
522 if !strings.Contains(out, "top.txt") || !strings.Contains(out, "nested.txt") {
523 t.Errorf("forward-slash recursive pattern should match every .txt:\n%s", out)
524 }
525 }
526
527 func TestGlobRecursiveDoublestarBracePattern(t *testing.T) {
528 dir := t.TempDir()
529 os.WriteFile(filepath.Join(dir, "a.go"), []byte("go"), 0o644)
530 os.WriteFile(filepath.Join(dir, "b.txt"), []byte("txt"), 0o644)
531 os.WriteFile(filepath.Join(dir, "c.md"), []byte("md"), 0o644)
532
533 out := runTool(t, globTool{}, map[string]any{"pattern": filepath.Join(dir, "**", "*.{go,txt}")})
534 if !strings.Contains(out, "a.go") || !strings.Contains(out, "b.txt") {
535 t.Fatalf("brace pattern should match go and txt:\n%s", out)
536 }
537 if strings.Contains(out, "c.md") {
538 t.Fatalf("brace pattern should not match markdown:\n%s", out)
539 }
540 }
541
542 func TestGlobRecursiveNoMatches(t *testing.T) {
543 dir := t.TempDir()
544 os.MkdirAll(filepath.Join(dir, "sub"), 0o755)
545 os.WriteFile(filepath.Join(dir, "sub", "a.go"), []byte("package a"), 0o644)
546
547 out := runTool(t, globTool{}, map[string]any{"pattern": filepath.Join(dir, "**", "*.py")})
548 if !strings.Contains(out, "(no matches)") {
549 t.Errorf("expected (no matches), got:\n%s", out)
550 }
551 }
552
553 func TestGlobNoMatches(t *testing.T) {
554 dir := t.TempDir()
555 out := runTool(t, globTool{}, map[string]any{"pattern": filepath.Join(dir, "*.xyz")})
556 if !strings.Contains(out, "(no matches)") {
557 t.Errorf("expected (no matches), got:\n%s", out)
558 }
559 }
560
561 // GB18030 encoding integration tests (issue #2637)
562
563 func TestReadFileGB18030(t *testing.T) {
564 f := filepath.Join(t.TempDir(), "gbk.txt")
565 gb, err := simplifiedchinese.GB18030.NewEncoder().String("你好世界\n第二行")
566 if err != nil {
567 t.Fatalf("encode: %v", err)
568 }
569 os.WriteFile(f, []byte(gb), 0o644)
570
571 out := runTool(t, readFile{}, map[string]any{"path": f})
572 if !strings.Contains(out, "你好世界") || !strings.Contains(out, "第二行") {
573 t.Errorf("expected decoded Chinese text, got:\n%s", out)
574 }
575 }
576
577 func TestEditFileGB18030RoundTrip(t *testing.T) {
578 f := filepath.Join(t.TempDir(), "gbk.txt")
579 original, _ := simplifiedchinese.GB18030.NewEncoder().String("你好世界\n第二行\n")
580 os.WriteFile(f, []byte(original), 0o644)
581
582 runTool(t, editFile{}, map[string]any{
583 "path": f,
584 "old_string": "第二行",
585 "new_string": "新的行",
586 })
587
588 got, _ := os.ReadFile(f)
589 // The file should still be GB18030-encoded (not silently converted to UTF-8).
590 dec, _ := simplifiedchinese.GB18030.NewDecoder().Bytes(got)
591 if string(dec) != "你好世界\n新的行\n" {
592 t.Errorf("after edit = %q (decoded)", dec)
593 }
594 }
595
596 func TestMultiEditGB18030RoundTrip(t *testing.T) {
597 f := filepath.Join(t.TempDir(), "gbk.txt")
598 original, _ := simplifiedchinese.GB18030.NewEncoder().String("package old\n\nfunc old() {\n\told()\n}\n")
599 os.WriteFile(f, []byte(original), 0o644)
600
601 runTool(t, multiEdit{}, map[string]any{
602 "path": f,
603 "edits": []map[string]any{
604 {"old_string": "package old", "new_string": "package new"},
605 {"old_string": "old", "new_string": "reasonix", "replace_all": true},
606 },
607 })
608
609 got, _ := os.ReadFile(f)
610 dec, _ := simplifiedchinese.GB18030.NewDecoder().Bytes(got)
611 want := "package new\n\nfunc reasonix() {\n\treasonix()\n}\n"
612 if string(dec) != want {
613 t.Errorf("after multi_edit = %q (decoded), want %q", dec, want)
614 }
615 }
616
617 func TestGrepGB18030(t *testing.T) {
618 dir := t.TempDir()
619 gb, _ := simplifiedchinese.GB18030.NewEncoder().String("你好世界\n包含函数的行\n")
620 os.WriteFile(filepath.Join(dir, "gbk.txt"), []byte(gb), 0o644)
621
622 out := runTool(t, grepTool{}, map[string]any{"pattern": "函数", "path": dir})
623 if !strings.Contains(out, "函数") {
624 t.Errorf("expected match in decoded GB18030 text, got:\n%s", out)
625 }
626 }
627
628 func TestGrepGB18030TruncationDoesNotLeakGoroutine(t *testing.T) {
629 defer goleak.VerifyNone(t, goleak.IgnoreCurrent())
630
631 var content strings.Builder
632 for range grepMaxMatches {
633 content.WriteString("命中\n")
634 }
635 content.WriteString(strings.Repeat("padding\n", 2000))
636 gb, err := simplifiedchinese.GB18030.NewEncoder().String(content.String())
637 if err != nil {
638 t.Fatalf("encode GB18030: %v", err)
639 }
640
641 path := filepath.Join(t.TempDir(), "many-matches.gbk")
642 if err := os.WriteFile(path, []byte(gb), 0o644); err != nil {
643 t.Fatalf("write fixture: %v", err)
644 }
645
646 out := runTool(t, grepTool{}, map[string]any{"pattern": "命中", "path": path})
647 if got := strings.Count(out, ":命中"); got != grepMaxMatches {
648 t.Fatalf("matches = %d, want %d:\n%s", got, grepMaxMatches, out)
649 }
650 if !strings.Contains(out, "truncated at 200 matches") {
651 t.Fatalf("missing truncation marker:\n%s", out)
652 }
653 }
654
654 lines GO