Finished

Test Name	Status
test_opening_bracket_within_property_value_doesn_t_need_to_be_escaped	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_newline_in_property_value_is_converted_to_nothing_at_all	Pass
test_escaped_t_and_n_in_property_value_are_just_letters_not_whitespace	Pass
test_escaped_tab_in_property_value_is_converted_to_space	Pass
test_mixing_various_kinds_of_whitespace_and_escaped_characters_in_property_value	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

unicode

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Initializing Evaluation

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Failed

 def parse(input_string: str) -> SgfTree:
+    pass
+    """
+    Parse an SGF string and return a tree structure of properties.
+    Args:
+        input_string: A string in SGF format
+    Returns:
+        SgfTree: The parsed SGF tree
+    Raises:
+        ValueError: If the input is invalid according to SGF format rules
+    """
+    # Edge Case: Empty input
+    if not input_string:
+        raise ValueError("tree missing")
+    # Edge Case: Missing opening parenthesis
+    if not input_string.startswith('('):
+        raise ValueError("tree missing")
+    # Edge Case: Missing closing parenthesis
+    if not input_string.endswith(')'):
+        raise ValueError("tree missing")
+    # Remove the outer parentheses
+    content = input_string[1:-1]
+    # Edge Case: Empty tree with no nodes
+    if not content:
+        raise ValueError("tree with no nodes")
+    # Edge Case: Missing semicolon after opening parenthesis
+    if not content.startswith(';'):
+        raise ValueError("tree missing")
+    return _parse_tree(content)
+def _parse_tree(content: str) -> SgfTree:
+    """
+    Parse the content of a tree (without the outer parentheses).
+    Args:
+        content: The content of the tree
+    Returns:
+        SgfTree: The parsed tree
+    """
+    # Skip the initial semicolon
+    index = 1
+    # Parse properties of the root node
+    properties, index = _parse_properties(content, index)
+    # Parse children
+    children = []
+    while index < len(content):
+        if content[index] == '(':  # Start of a child tree
+            # Find the matching closing parenthesis
+            paren_count = 1
+            start = index
+            index += 1
+            while index < len(content) and paren_count > 0:
+                if content[index] == '(':
+                    paren_count += 1
+                elif content[index] == ')':
+                    paren_count -= 1
+                index += 1
+            # Parse the child tree
+            child_content = content[start:index]
+            children.append(parse(child_content))
+        elif content[index] == ';':  # Single child shorthand
+            # Parse the child node starting from this semicolon
+            index += 1  # Skip the semicolon
+            # Parse properties of the child node
+            child_properties, index = _parse_properties(content, index)
+            # Create child tree with these properties
+            # For single child shorthand, we need to continue parsing children of this child
+            child_tree = SgfTree(child_properties)
+            # Parse any further children of this child node
+            temp_children = []
+            while index < len(content) and content[index] in '();':
+                if content[index] == '(':  # Variation
+                    # Find the matching closing parenthesis
+                    paren_count = 1
+                    start = index
+                    index += 1
+                    while index < len(content) and paren_count > 0:
+                        if content[index] == '(':
+                            paren_count += 1
+                        elif content[index] == ')':
+                            paren_count -= 1
+                        index += 1
+                    # Parse the child tree
+                    child_content = content[start:index]
+                    temp_children.append(parse(child_content))
+                elif content[index] == ';':  # Another single child
+                    # For single child shorthand, create a chain
+                    index += 1  # Skip the semicolon
+                    next_properties, index = _parse_properties(content, index)
+                    next_child = SgfTree(next_properties)
+                    temp_children.append(next_child)
+                else:
+                    index += 1
+            if temp_children:
+                child_tree.children = temp_children
+            children.append(child_tree)
+        else:
+            index += 1
+    return SgfTree(properties, children)
+def _parse_properties(content: str, start_index: int) -> tuple[dict, int]:
+    """
+    Parse properties from the content starting at start_index.
+    Args:
+        content: The content to parse
+        start_index: The index to start parsing from
+    Returns:
+        tuple: A tuple containing the parsed properties dictionary and the next index
+    """
+    properties = {}
+    index = start_index
+    while index < len(content) and content[index] not in '();':
+        # Parse key
+        key_start = index
+        while index < len(content) and content[index].isalpha():
+            index += 1
+        key = content[key_start:index]
+        # Edge Case: Property key must be in uppercase
+        if not key.isupper():
+            raise ValueError("property must be in uppercase")
+        # Edge Case: Missing property values
+        if index >= len(content) or content[index] != '[':
+            raise ValueError("properties without delimiter")
+        # Parse values
+        values = []
+        while index < len(content) and content[index] == '[':
+            index += 1  # Skip opening bracket
+            value_start = index
+            # Find the closing bracket, taking into account escaped brackets
+            bracket_count = 1
+            while index < len(content) and bracket_count > 0:
+                if content[index] == '\\':
+                    # Skip escape character and the next character
+                    # The escaped character should not affect bracket counting
+                    index += 2
+                elif content[index] == '[':
+                    bracket_count += 1
+                    index += 1
+                elif content[index] == ']':
+                    bracket_count -= 1
+                    index += 1
+                else:
+                    index += 1
+            # Edge Case: Unmatched bracket
+            if bracket_count > 0:
+                raise ValueError("properties without delimiter")
+            value = content[value_start:index-1]  # Exclude the closing bracket
+            values.append(_parse_text(value))
+        properties[key] = values
+    return properties, index
+def _parse_text(text: str) -> str:
+    """
+    Parse SGF Text type according to SGF specification.
+    Args:
+        text: The text to parse
+    Returns:
+        str: The parsed text
+    """
+    result = []
+    i = 0
+    while i < len(text):
+        if text[i] == '\\':
+            # Edge Case: Handle escape sequences
+            i += 1
+            if i < len(text):
+                char = text[i]
+                if char == 'n':
+                    # \n is not a special escape sequence in SGF, it's just 'n'
+                    result.append('n')
+                elif char == 't':
+                    # \t is not a special escape sequence in SGF, it's just 't'
+                    result.append('t')
+                elif char == '\\':
+                    # Escaped backslash
+                    result.append('\\')
+                elif char == ']':
+                    # Escaped closing bracket
+                    result.append(']')
+                elif char == '[':
+                    # Escaped opening bracket
+                    result.append('[')
+                elif char == ':':
+                    # Escaped colon
+                    result.append(':')
+                elif char.isspace():
+                    # Whitespace after backslash
+                    if char == '\n':
+                        # Newlines are removed if they come immediately after a \
+                        pass
+                    else:
+                        # Other whitespace characters are converted to spaces
+                        result.append(' ')
+                else:
+                    # Any other character after \ is inserted as-is
+                    result.append(char)
+                i += 1
+            else:
+                # Edge Case: Trailing backslash
+                result.append('\\')
+                i += 1
+        else:
+            char = text[i]
+            if char == '\n':
+                # Newlines remain as newlines
+                result.append(char)
+            elif char.isspace() and char != '\n':
+                # All whitespace characters other than newline are converted to spaces
+                result.append(' ')
+            else:
+                result.append(char)
+            i += 1
+    return ''.join(result)
+# Handled Edge Cases: Empty input, Missing opening parenthesis, Missing closing parenthesis, Empty tree with no nodes, Missing semicolon after opening parenthesis, Property key must be in uppercase, Missing property values, Unmatched bracket, Handle escape sequences, Trailing backslash
+# Handled Edge Cases: Empty input, Missing opening parenthesis, Missing closing parenthesis, Empty tree with no nodes, Missing semicolon after opening parenthesis
+# Handled Edge Cases: Property key must be in uppercase, Missing property values, Unmatched bracket
+# Handled Edge Cases: Handle escape sequences, Trailing backslash