TestWriteFileAppendNDJSON tests appending multiple documents in JSON format.
(t *testing.T)
| 427 | |
| 428 | // TestWriteFileAppendNDJSON tests appending multiple documents in JSON format. |
| 429 | func TestWriteFileAppendNDJSON(t *testing.T) { |
| 430 | ctx := context.Background() |
| 431 | logger := testLogger() |
| 432 | |
| 433 | tempDir, err := os.MkdirTemp("", "appendfile_json_test") |
| 434 | if err != nil { |
| 435 | t.Fatal(err) |
| 436 | } |
| 437 | defer os.RemoveAll(tempDir) |
| 438 | |
| 439 | doc1 := []byte(`{"name":"mock-0"}`) |
| 440 | doc2 := []byte(`{"name":"mock-1"}`) |
| 441 | |
| 442 | if err := WriteFileF(ctx, logger, tempDir, "mocks", doc1, true, FormatJSON); err != nil { |
| 443 | t.Fatal(err) |
| 444 | } |
| 445 | if err := WriteFileF(ctx, logger, tempDir, "mocks", doc2, true, FormatJSON); err != nil { |
| 446 | t.Fatal(err) |
| 447 | } |
| 448 | |
| 449 | data, err := ReadFileF(ctx, logger, tempDir, "mocks", FormatJSON) |
| 450 | if err != nil { |
| 451 | t.Fatal(err) |
| 452 | } |
| 453 | |
| 454 | // Should be NDJSON: first doc, newline, second doc |
| 455 | lines := 0 |
| 456 | for _, b := range data { |
| 457 | if b == '\n' { |
| 458 | lines++ |
| 459 | } |
| 460 | } |
| 461 | // First write: just the data (empty file, no separator). Second write: \n + data. |
| 462 | // So we expect at least 1 newline separator between docs. |
| 463 | if lines < 1 { |
| 464 | t.Errorf("expected at least 1 newline in NDJSON, got content: %q", string(data)) |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | // TestFileExistsF tests format-aware file existence check. |
| 469 | func TestFileExistsF(t *testing.T) { |
nothing calls this directly
no test coverage detected