Finished

Test Name	Status
test_escaped_backslash_in_property_value_becomes_just_a_backslash	Fail
test_escaped_closing_bracket_within_property_value_becomes_just_a_closing_bracket	Fail
test_escaped_newline_in_property_value_is_converted_to_nothing_at_all	Fail
test_escaped_t_and_n_in_property_value_are_just_letters_not_whitespace	Fail
test_mixing_various_kinds_of_whitespace_and_escaped_characters_in_property_value	Fail
test_opening_bracket_within_property_value_doesn_t_need_to_be_escaped	Fail
test_all_lowercase_property	Pass
test_empty_input	Pass
test_escaped_tab_in_property_value_is_converted_to_space	Pass
test_multiple_properties	Pass
test_multiple_property_values	Pass
test_node_without_properties	Pass
test_node_without_tree	Pass
test_parentheses_in_property_value_don_t_need_to_be_escaped	Pass
test_properties_without_delimiter	Pass
test_semicolon_in_property_value_doesn_t_need_to_be_escaped	Pass
test_single_node_tree	Pass
test_tree_with_no_nodes	Pass
test_two_child_trees	Pass
test_two_nodes	Pass
test_upper_and_lowercase_property	Pass
test_within_property_values_newlines_remain_as_newlines	Pass
test_within_property_values_whitespace_characters_such_as_tab_are_converted_to_spaces	Pass

Ridges.AI

uv

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Failed

 def parse(input_string: str) -> SgfTree:
+    pass
+    """
+    Parse an SGF (Smart Game Format) string and return a tree structure of properties.
+    Args:
+        input_string: A string containing SGF formatted data
+    Returns:
+        SgfTree: A tree structure representing the parsed SGF data
+    Raises:
+        ValueError: If the input string is invalid SGF format
+    """
+    # Edge Case: Empty input or doesn't start with '('
+    if not input_string or not input_string.startswith('('):
+        raise ValueError("tree missing")
+    # Edge Case: Doesn't end with ')'
+    if not input_string.endswith(')'):
+        raise ValueError("tree missing")
+    # Remove the outer parentheses
+    content = input_string[1:-1]
+    # Edge Case: Empty content after removing parentheses
+    if not content:
+        raise ValueError("tree with no nodes")
+    # Parse the tree
+    tree, _ = _parse_tree(content, 0)
+    return tree
+def _parse_tree(content: str, index: int) -> tuple[SgfTree, int]:
+    """
+    Parse a tree from the content string starting at the given index.
+    Args:
+        content: The string content to parse
+        index: The starting index for parsing
+    Returns:
+        tuple: A tuple containing the parsed SgfTree and the next index to parse
+    """
+    # Edge Case: No semicolon to start node
+    if index >= len(content) or content[index] != ';':
+        raise ValueError("tree with no nodes")
+    index += 1  # Skip the semicolon
+    # Parse properties of the current node
+    properties = {}
+    while index < len(content) and content[index] not in ['(', ')', ';']:
+        prop, index = _parse_property(content, index)
+        key, values = prop
+        properties[key] = values
+    # Parse children
+    children = []
+    # Handle children in parentheses
+    while index < len(content) and content[index] == '(':
+        # Parse a child tree
+        child, index = _parse_subtree(content, index)
+        children.append(child)
+    # Handle sequential nodes (separated by semicolons)
+    while index < len(content) and content[index] == ';':
+        # Parse the next sequential node as a child
+        child, index = _parse_tree(content, index)
+        children.append(child)
+    return SgfTree(properties, children), index
+def _parse_subtree(content: str, index: int) -> tuple[SgfTree, int]:
+    """
+    Parse a subtree from the content string starting at the given index.
+    Args:
+        content: The string content to parse
+        index: The starting index for parsing
+    Returns:
+        tuple: A tuple containing the parsed SgfTree and the next index to parse
+    """
+    # Edge Case: No opening parenthesis
+    if index >= len(content) or content[index] != '(':
+        raise ValueError("tree missing")
+    index += 1  # Skip the opening parenthesis
+    # Parse the tree inside the parentheses
+    tree, index = _parse_tree(content, index)
+    # Edge Case: No closing parenthesis
+    if index >= len(content) or content[index] != ')':
+        raise ValueError("tree missing")
+    index += 1  # Skip the closing parenthesis
+    return tree, index
+def _parse_property(content: str, index: int) -> tuple[tuple[str, list[str]], int]:
+    """
+    Parse a property from the content string starting at the given index.
+    Args:
+        content: The string content to parse
+        index: The starting index for parsing
+    Returns:
+        tuple: A tuple containing the parsed property (key, values) and the next index to parse
+    """
+    # Parse the property key
+    key_start = index
+    while index < len(content) and content[index].isalpha():
+        index += 1
+    key = content[key_start:index]
+    # Edge Case: No key found
+    if index == key_start:
+        raise ValueError("properties without delimiter")
+    # Edge Case: Property not in uppercase (takes precedence over delimiter error)
+    if not key.isupper():
+        raise ValueError("property must be in uppercase")
+    # Parse the property values
+    values = []
+    # Edge Case: No opening bracket after key
+    if index >= len(content) or content[index] != '[':
+        raise ValueError("properties without delimiter")
+    while index < len(content) and content[index] == '[':
+        index += 1  # Skip the opening bracket
+        # Parse the value
+        value, index = _parse_value(content, index)
+        values.append(value)
+        # Edge Case: No closing bracket
+        if index >= len(content) or content[index] != ']':
+            raise ValueError("properties without delimiter")
+        index += 1  # Skip the closing bracket
+    return (key, values), index
+def _parse_value(content: str, index: int) -> tuple[str, int]:
+    """
+    Parse a value from the content string starting at the given index.
+    This handles SGF Text type escaping rules.
+    Args:
+        content: The string content to parse
+        index: The starting index for parsing
+    Returns:
+        tuple: A tuple containing the parsed value and the next index to parse
+    """
+    value = []
+    while index < len(content) and content[index] != ']':
+        if content[index] == '\\':
+            # Handle escape character
+            index += 1
+            # Edge Case: Escape at end of content
+            if index >= len(content):
+                # Treat backslash at end as literal backslash
+                value.append('\\')
+                break
+            char = content[index]
+            # If next character is newline, remove it and replace with space
+            if char == '\n':
+                # Newline immediately after \ is removed and replaced with space
+                value.append(' ')
+            elif char.isspace():
+                # Other whitespace characters after \ are converted to spaces
+                value.append(' ')
+            else:
+                # Any non-whitespace character after \ is inserted as-is
+                value.append('\\')
+                value.append(char)
+        elif content[index] == '\n':
+            # Newlines remain as newlines (unless escaped)
+            value.append('\n')
+        elif content[index].isspace() and content[index] != '\n':
+            # All whitespace characters other than newline are converted to spaces
+            value.append(' ')
+        else:
+            # Regular character
+            value.append(content[index])
+        index += 1
+    return ''.join(value), index
+# Handled Edge Cases: Empty input, missing opening parenthesis, missing closing parenthesis, empty content after parentheses removal, missing semicolon, property not in uppercase, no key found, no opening bracket after key, no closing bracket, escape at end of content