import os import difflib files = ['key_simple.tsv', 'key_complex_integers.tsv', 'key_complex_mixed.tsv'] types = [ 'UInt8', 'UInt16', 'UInt32', 'UInt64', 'Int8', 'Int16', 'Int32', 'Int64', 'Float32', 'Float64', 'String', 'Date', 'DateTime' ] explicit_defaults = [ '42', '42', '42', '42', '-42', '-42', '-42', '-42', '1.5', '1.6', "'explicit-default'", "'2015-01-01'", "'2015-01-01 00:00:00'" ] implicit_defaults = [ '1', '1', '1', '1', '-1', '-1', '-1', '-1', '2.71828', '2.71828', 'implicit-default', '2015-11-25', '2015-11-25 00:00:00' ] def generate_structure(): # [ name, key_type, has_parent ] return [ # Simple key dictionaries ['clickhouse_flat', 0, True], ['clickhouse_hashed', 0, True], ['clickhouse_cache', 0, True], # Complex key dictionaries with (UInt8, UInt8) key ['clickhouse_complex_integers_key_hashed', 1, False], ['clickhouse_complex_integers_key_cache', 1, False], # Complex key dictionaries with (String, UInt8) key ['clickhouse_complex_mixed_key_hashed', 2, False], ['clickhouse_complex_mixed_key_cache', 2, False], # Range hashed dictionary ['clickhouse_range_hashed', 3, False], ] def generate_dictionaries(path, structure): dictionary_skeleton = ''' {name} {source} 0 0 {layout} {key} %s {parent} ''' attribute_skeleton = ''' %s_ %s %s ''' dictionary_skeleton = \ dictionary_skeleton % reduce(lambda xml, (type, default): xml + attribute_skeleton % (type, type, default), zip(types, implicit_defaults), '') source_clickhouse = ''' localhost 9000 default test dictionary_source
''' layout_flat = '' layout_hashed = '' layout_cache = '128' layout_complex_key_hashed = '' layout_complex_key_cache = '128' layout_range_hashed = '' key_simple = ''' id ''' key_complex_integers = ''' key0 UInt8 key1 UInt8 ''' key_complex_mixed = ''' key0_str String key1 UInt8 ''' key_range_hashed = ''' id StartDate EndDate ''' keys = [key_simple, key_complex_integers, key_complex_mixed, key_range_hashed] parent_attribute = ''' Parent UInt64 true 0 ''' sources_and_layouts = [ # Simple key dictionaries [source_clickhouse, layout_flat], [source_clickhouse, layout_hashed], [source_clickhouse, layout_cache], # Complex key dictionaries with (UInt8, UInt8) key [source_clickhouse, layout_complex_key_hashed], [source_clickhouse, layout_complex_key_cache], # Complex key dictionaries with (String, UInt8) key [source_clickhouse, layout_complex_key_hashed], [source_clickhouse, layout_complex_key_cache], # Range hashed dictionary [source_clickhouse, layout_range_hashed], ] file_names = [] for (name, key_idx, has_parent), (source, layout) in zip(structure, sources_and_layouts): filename = os.path.join(path, 'dictionary_%s.xml' % name) file_names.append(filename) with open(filename, 'w') as file: dictionary_xml = dictionary_skeleton.format( key=keys[key_idx], parent=parent_attribute if has_parent else '', **locals()) file.write(dictionary_xml) return file_names class DictionaryTestTable: def __init__(self, source_file_name): self.structure = '''id UInt64, key0 UInt8, key0_str String, key1 UInt8, StartDate Date, EndDate Date, UInt8_ UInt8, UInt16_ UInt16, UInt32_ UInt32, UInt64_ UInt64, Int8_ Int8, Int16_ Int16, Int32_ Int32, Int64_ Int64, Float32_ Float32, Float64_ Float64, String_ String, Date_ Date, DateTime_ DateTime, Parent UInt64''' self.names_and_types = map(str.split, self.structure.split(',')) self.keys_names_and_types = self.names_and_types[:6] self.values_names_and_types = self.names_and_types[6:] self.source_file_name = source_file_name self.rows = None def create_clickhouse_source(self, instance): query = ''' create database if not exists test; drop table if exists test.dictionary_source; create table test.dictionary_source (%s) engine=Log; insert into test.dictionary_source values %s ; ''' types = tuple(pair[1] for pair in self.names_and_types) with open(self.source_file_name) as source_file: lines = source_file.read().split('\n') lines = tuple(filter(len, lines)) self.rows = [] def wrap_value(pair): value, type = pair return "'" + value + "'" if type in ('String', 'Date', 'DateTime') else value def make_tuple(line): row = tuple(line.split('\t')) self.rows.append(row) return '(' + ','.join(map(wrap_value, zip(row, types))) + ')' values = ','.join(map(make_tuple, lines)) print query % (self.structure, values) instance.query(query % (self.structure, values)) def get_structure_for_keys(self, keys, enable_parent=True): structure = ','.join(name + ' ' + type for name, type in self.keys_names_and_types if name in keys) return structure + ', ' + ','.join(name + ' ' + type for name, type in self.values_names_and_types if enable_parent or name != 'Parent') def _build_line_from_row(self, row, names): return '\t'.join((value for value, (name, type) in zip(row, self.names_and_types) if name in set(names))) def compare_rows_by_keys(self, keys, values, lines, add_not_found_rows=True): rows = [line.rstrip('\n').split('\t') for line in lines] diff = [] matched = [] lines_map = {self._build_line_from_row(row, keys): self._build_line_from_row(row, values) for row in self.rows} for row in rows: key = '\t'.join(row[:len(keys)]) value = '\t'.join(row[len(keys):]) if key in lines_map.keys(): pattern_value = lines_map[key] del lines_map[key] if not value == pattern_value: diff.append((key + '\t' + value, key + '\t' + pattern_value)) else: matched.append((key + '\t' + value, key + '\t' + pattern_value)) else: diff.append((key + '\t' + value, '')) if add_not_found_rows: for key, value in lines_map.items(): diff.append(('', key + '\t' + value)) if not diff: return None diff += matched left_lines = tuple(pair[0] for pair in diff) right_lines = tuple(pair[1] for pair in diff) return left_lines, right_lines def compare_by_keys(self, keys, lines, with_parent_column=True, add_not_found_rows=True): values = [name for name, type in self.values_names_and_types if with_parent_column or name != 'Parent'] return self.compare_rows_by_keys(keys, values, lines, add_not_found_rows) def process_diff(self, diff): if not diff: return '' left_lines, right_lines = diff args = {'fromfile': 'received', 'tofile': 'expected', 'lineterm': ''} return '\n'.join(tuple(difflib.context_diff(left_lines, right_lines, **args))[:])