Test basic text block detection.

Test that block bounding boxes are reasonable.

Test detect_text_blocks with None result.

Test detect_text_blocks filters out empty text.

Test detect_text_blocks handling of unexpected exceptions.

Test detect_text_blocks fallback when boxes are missing.

Test detect_text_blocks handles invalid box coordinates.

Test detect_text_blocks filters out low confidence results.

Cover the 'else' branches for boxes and scores (lines 97-98).

Test detect_text_blocks with RapidOCR v3.7+ format.

Test detect_text_blocks handling ValueError during OCRResult creation.

Test that blocks contain more text than individual detections.

Test block detection with confidence threshold.

Test that bounding boxes are reasonable.

Test text detection on empty image.

Test basic text line detection.

Test that line detection finds approximately the right number of lines.

Test line detection on single line image.

Test that line detection gives different results than block detection.

Test basic paragraph detection.

Test that paragraph detection captures meaningful content.

Test paragraph detection vs line detection.

Test text detection with confidence threshold.

Cover line 94: fps is None -> use settings.

Cover line 108: start() called when already running.

Test that different images return False.

Test different match modes return different results.

Test that different PSM modes work.

DR first frame: llm_y_min=450 (skips artistic header).

DR non-first: llm_y_min=350 (max context prevents Cyrillic mode).

DR non-first with empty bbox: rank_set is empty so filter is skipped.

DR non-first with bbox data: unconfirmed rank (hallucination) is removed.

Cover 'duras_trials/battle.png' case. Checks _tap_till_template_disappears and sleep_navigation.

Test edge case where values exactly equal 100%.

Test initialization with maximum valid percentage.

Test edge cases and boundary values.

Test that empty image raises ValueError.

Test that empty input returns empty list.

Test that empty or whitespace-only strings raise ValueError.

Test emulator detection prevents streaming on ARM Mac.

Test equality comparisons.

Test error handling with invalid image data.

Test that error messages are informative.

Test cropping right at the boundary (should fail).

Test _execute_tasks when all tasks fail.

Test _execute_tasks when some tasks succeed.

Test category extraction with no GUI metadata.

Test extracting multi-line text.

Test extracting text from a simple image.

Test extraction with no exception info falls back to log record defaults.

Test extraction falls back when frame summary is empty.

Test extraction falls back when traceback is invalid.

Test extraction falls back when exc_info is too short.

Test extraction with valid traceback info.

Test extract_text with no results.

Test extracting text from an empty/blank image.

Test extract_text with an empty result list.

Test extract_text with legacy list/tuple format.

Test extract_text with a single string result.

Test extract_text with RapidOCR v3.7+ format (.txts attribute).

Test extract_text with custom configuration.

Test that fatal exceptions are not caught by restart logic.

Test find_all_template_matches.

Test _find_any_excluded_hero success path.

Test _find_any_excluded_hero timeout path.

Test finding a command that raises an error when executed.

Test behavior when a command is not found.

Test finding a valid command in the command dictionary.

Test finding multiple template matches.

Test finding the worst template match.

Test initialization with float percentage values.

Test handling of floating point precision in percentage calculations.

force_redownload=True always downloads, even when both files are cached.

Test formatting with default log record values.

Test formatting with traceback-derived values.

Test decoding pipeline with different video characteristics.

Test that Execute.function automatically instantiates the class.

Test Execute.function when no instance is needed.

Garbled Cyrillic from Qwen is recovered via fuzzy matching.

Test fuzzy substring matching with various scenarios.

Test get_backend_info with successful version retrieval.

Test get_backend_info handles version retrieval errors.