Finished

Test Name	Status
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_all_lowercase_property	Pass
test_empty_input	Pass
test_escaped_backslash_in_property_value_becomes_just_a_backslash	Pass
test_escaped_closing_bracket_within_property_value_becomes_just_a_closing_bracket	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_opening_bracket_within_property_value_doesn_t_need_to_be_escaped	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

armor

Pending

Initializing Agent

Running Agent

Initializing Evaluation

Running Evaluation

Failed

 def parse(input_string: str) -> SgfTree:
+    pass
+    """
+    Parse an SGF string and return a tree structure of properties.
+    Args:
+        input_string: A string containing SGF formatted data
+    Returns:
+        SgfTree: A tree structure representing the SGF data
+    Raises:
+        ValueError: If the input is malformed according to SGF specifications
+    """
+    # Edge Case: Empty input or whitespace only input
+    if not input_string or input_string.isspace():
+        raise ValueError("tree missing")
+    # Edge Case: Input doesn't start with '('
+    if not input_string.startswith('('):
+        raise ValueError("tree missing")
+    # Edge Case: Input 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")
+    # Edge Case: Content doesn't start with ';'
+    if not content.startswith(';'):
+        raise ValueError("tree missing")
+    return _parse_tree(content)
+def _parse_tree(content: str) -> SgfTree:
+    """
+    Parse the content of an SGF tree.
+    Args:
+        content: The content of the SGF tree without outer parentheses
+    Returns:
+        SgfTree: A tree structure representing the SGF data
+    """
+    # Skip the initial ';'
+    index = 1
+    # Parse properties of the current node
+    properties, index = _parse_properties(content, index)
+    # Parse children
+    children = []
+    while index < len(content):
+        if content[index] == '(':  # Start of a child tree
+            child_tree, index = _parse_subtree(content, index)
+            children.append(child_tree)
+        else:
+            # If we encounter a ';' not inside parentheses, it's a sibling node
+            # This means the current node has a single child which is the rest of the sequence
+            if content[index] == ';':
+                # Parse the remaining as a single child
+                remaining_content = content[index:]
+                child_tree = _parse_tree(remaining_content)
+                children.append(child_tree)
+                break
+            else:
+                # Unexpected character
+                raise ValueError("tree missing")
+    return SgfTree(properties, children)
+def _parse_subtree(content: str, start_index: int) -> tuple[SgfTree, int]:
+    """
+    Parse a subtree enclosed in parentheses.
+    Args:
+        content: The content string
+        start_index: The index where the subtree starts (at the '(')
+    Returns:
+        tuple: A tuple containing the parsed SgfTree and the index after the subtree
+    """
+    # Edge Case: Not starting with '('
+    if content[start_index] != '(':
+        raise ValueError("tree missing")
+    index = start_index + 1  # Skip the '('
+    # Find the matching closing parenthesis
+    paren_count = 1
+    while index < len(content) and paren_count > 0:
+        if content[index] == '(':
+            paren_count += 1
+        elif content[index] == ')':
+            paren_count -= 1
+        index += 1
+    # Edge Case: Unmatched parentheses
+    if paren_count > 0:
+        raise ValueError("tree missing")
+    # Extract the subtree content (excluding the outer parentheses)
+    subtree_content = content[start_index+1:index-1]
+    # Edge Case: Empty subtree
+    if not subtree_content:
+        raise ValueError("tree with no nodes")
+    # Edge Case: Subtree doesn't start with ';'
+    if not subtree_content.startswith(';'):
+        raise ValueError("tree missing")
+    tree = _parse_tree(subtree_content)
+    return tree, index
+def _parse_properties(content: str, start_index: int) -> tuple[dict, int]:
+    """
+    Parse properties from the content string.
+    Args:
+        content: The content string
+        start_index: The index to start parsing from
+    Returns:
+        tuple: A tuple containing the properties dictionary and the index after the last property
+    """
+    properties = {}
+    index = start_index
+    while index < len(content):
+        char = content[index]
+        # If we encounter a ';' or '(' or ')', we're done with properties
+        if char in [';', '(', ')']:
+            break
+        # Parse property key
+        key_start = index
+        while index < len(content) and content[index].isalpha():
+            index += 1
+        # Edge Case: No key found
+        if index == key_start:
+            raise ValueError("properties without delimiter")
+        key = content[key_start:index]
+        # Edge Case: Key is not uppercase
+        if key != key.upper() or not key.isalpha():
+            raise ValueError("property must be in uppercase")
+        # Parse property values
+        values = []
+        while index < len(content) and content[index] == '[':
+            value, index = _parse_value(content, index)
+            values.append(value)
+        # Edge Case: No values found for a key
+        if not values:
+            raise ValueError("properties without delimiter")
+        properties[key] = values
+    return properties, index
+def _parse_value(content: str, start_index: int) -> tuple[str, int]:
+    """
+    Parse a single property value enclosed in square brackets.
+    Args:
+        content: The content string
+        start_index: The index where the value starts (at the '[')
+    Returns:
+        tuple: A tuple containing the parsed value and the index after the closing ']'
+    """
+    # Edge Case: Not starting with '['
+    if content[start_index] != '[':
+        raise ValueError("properties without delimiter")
+    index = start_index + 1  # Skip the '['
+    value_chars = []
+    while index < len(content) and content[index] != ']':
+        if content[index] == '\\':  # Escape character
+            index += 1  # Skip the escape character
+            # Edge Case: Escape at end of content
+            if index >= len(content):
+                raise ValueError("properties without delimiter")
+            escaped_char = content[index]
+            if escaped_char == 'n':  # Special case for \n
+                value_chars.append('\n')
+            elif escaped_char == 't':  # Special case for \t
+                value_chars.append('\t')
+            elif escaped_char == 'r':  # Special case for \r
+                value_chars.append('\r')
+            elif escaped_char.isspace():
+                # According to SGF spec, whitespace after \ follows normal rules
+                # But since we're told newlines are Unix style and no \r or \r\n,
+                # we just add the whitespace as is, but convert non-newline whitespace to spaces
+                if escaped_char == '\n':
+                    value_chars.append(escaped_char)
+                else:
+                    value_chars.append(' ')
+            else:
+                value_chars.append(escaped_char)
+        else:
+            char = content[index]
+            # According to SGF Text type specification:
+            # - Newlines are removed if they come immediately after a \, otherwise they remain
+            # - All whitespace characters other than newline are converted to spaces
+            if char == '\n':
+                value_chars.append(char)
+            elif char.isspace():
+                value_chars.append(' ')
+            else:
+                value_chars.append(char)
+        index += 1
+    # Edge Case: Unclosed bracket
+    if index >= len(content) or content[index] != ']':
+        raise ValueError("properties without delimiter")
+    index += 1  # Skip the ']'
+    # Process the value according to SGF Text type rules
+    value = ''.join(value_chars)
+    return value, index
+# Handled Edge Cases: Empty input, input without outer parentheses, input without ending parenthesis, empty content after parentheses removal, content not starting with ';', unmatched parentheses, empty subtree, subtree not starting with ';', no key found, key not uppercase, no values found for a key, not starting with '[', escape at end of content, unclosed bracket