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How to use parse_unified_diff_output method in avocado

Best Python code snippet using avocado_python

config_change_validation.py

Source:config_change_validation.py

...25    """26    for file_path in file_paths:27        temp_file_path = get_temp_file_path(file_path)28        os.remove(temp_file_path)29def parse_unified_diff_output(lines):30    """31    Parses the unified diff output of two files32    Returns a pair of adds and removes, where each is a list of trimmed lines33    """34    adds = []35    removes = []36    for line in lines:37        # ignore filepaths in the output38        if (len(line) > 2 and39            (line[:3] == "+++" or40                line[:3] == "---")):41            continue42        # ignore line range information in the output43        elif len(line) > 1 and line[:2] == "@@":44            continue45        # gather adds46        elif len(line) > 0 and line[0] == "+":47            added_line = line[1:].lstrip().rstrip()48            if len(added_line) == 0:49                continue50            adds = adds + [added_line]51        # gather removes52        elif len(line) > 0 and line[0] == "-":53            removed_line = line[1:].lstrip().rstrip()54            if len(removed_line) == 0:55                continue56            removes = removes + [removed_line]57    return (adds, removes)58def extract_config_changes(file_paths, compared_file_paths=[]):59    """60    Extracts diff information based on the new and61    temporarily saved old config files62    Returns a dictionary of file path and corresponding63    diff information key-value pairs.64    """65    changes = {}66    for i in range(len(file_paths)):67        temp_file_path = get_temp_file_path(file_paths[i])68        if len(compared_file_paths) > i:69            command = ("diff -U 0 -b " + compared_file_paths[i] + " " +70                       file_paths[i])71        else:72            command = "diff -U 0 -b " + temp_file_path + " " + file_paths[i]73        (_, output) = commands.getstatusoutput(command)74        lines = output.split('\n')75        changes[file_paths[i]] = parse_unified_diff_output(lines)76    return changes77def assert_config_change_dict(actual_result, expected_result):78    """79    Calculates unexpected line changes.80    The arguments actual_result and expected_results are of81    the same data structure type: Dict[file_path] --> (adds, removes),82    where adds = [added_line, ...] and removes = [removed_line, ...].83    The return value has the following structure:84    Dict[file_path] --> (unexpected_adds,85                         not_present_adds,86                         unexpected_removes,87                         not_present_removes)88    """89    change_diffs = {}...

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