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PgDiffTest.py
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import argparse
from difflib import unified_diff
from PgDiff import PgDiff
from helpers.Writer import Writer
class PgDiffTestFailedException(Exception):
def __init__(self, testCase, diff):
self.testCase = testCase
self.diff = diff
def __str__(self):
message = []
message.append('Failed test name [%s]:\n' % self.testCase)
for line in self.diff:
message.append(line)
return ''.join(message)
class PgDiffTest(object):
testCases = {
"modify_column_type": ("modify_column_type", False, False, False, False),
"drop_with_oids": ("drop_with_oids", False, False, False, False),
"add_index": ("add_index", False, False, False, False),
"drop_index": ("drop_index", False, False, False, False),
"drop_index_with_cluster": ("drop_index_with_cluster", False, False, False, False),
"modify_index": ("modify_index", False, False, False, False),
"add_statistics": ("add_statistics", False, False, False, False),
"modify_statistics": ("modify_statistics", False, False, False, False),
"drop_statistics": ("drop_statistics", False, False, False, False),
"add_default_value": ("add_default_value", False, False, False, False),
"modify_default_value": ("modify_default_value", False, False, False, False),
"drop_default_value": ("drop_default_value", False, False, False, False),
"add_not_null": ("add_not_null", False, False, False, False),
"drop_not_null": ("drop_not_null", False, False, False, False),
"add_column": ("add_column", False, False, False, False),
"drop_column": ("drop_column", False, False, False, False),
"add_table": ("add_table", False, False, False, False),
"drop_table": ("drop_table", False, False, False, False),
"add_constraint": ("add_constraint", False, False, False, False),
"modify_constraint": ("modify_constraint", False, False, False, False),
"drop_constraint": ("drop_constraint", False, False, False, False),
"add_unique_constraint": ("add_unique_constraint", False, False, False, True),
"add_inherits": ("add_inherits", False, False, False, False),
"modify_inherits": ("modify_inherits", False, False, False, False),
"modify_sequence_increment": ("modify_sequence_increment", False, False, False, False),
"modify_sequence_start_ignore_off": ("modify_sequence_start_ignore_off", False, False, False, False),
"modify_sequence_start_ignore_on": ("modify_sequence_start_ignore_on", False, False, False, True),
"modify_sequence_minvalue_set": ("modify_sequence_minvalue_set", False, False, False, False),
"modify_sequence_minvalue_unset": ("modify_sequence_minvalue_unset", False, False, False, False),
"modify_sequence_maxvalue_set": ("modify_sequence_maxvalue_set", False, False, False, False),
"modify_sequence_maxvalue_unset": ("modify_sequence_maxvalue_unset", False, False, False, False),
"modify_sequence_cache": ("modify_sequence_cache", False, False, False, False),
"modify_sequence_cycle_on": ("modify_sequence_cycle_on", False, False, False, False),
"modify_sequence_cycle_off": ("modify_sequence_cycle_off", False, False, False, False),
"modify_function_end_detection": ("modify_function_end_detection", False, False, False, False),
"add_function_noargs": ("add_function_noargs", False, False, False, False),
"drop_function_noargs": ("drop_function_noargs", False, False, False, False),
"drop_function_similar": ("drop_function_similar", False, False, False, False),
"modify_function_similar": ("modify_function_similar", False, False, False, False),
"function_equal_whitespace": ("function_equal_whitespace", False, False, True, False),
"add_trigger": ("add_trigger", False, False, False, False),
"drop_trigger": ("drop_trigger", False, False, False, False),
"modify_trigger": ("modify_trigger", False, False, False, False),
"add_view": ("add_view", False, False, False, False),
"drop_view": ("drop_view", False, False, False, False),
"modify_view": ("modify_view", False, False, False, False),
"add_defaults": ("add_defaults", True, False, False, False),
"multiple_schemas": ("multiple_schemas", False, False, False, False),
"multiple_schemas":("multiple_schemas", False, False, False, False),
"alter_view_drop_default": ("alter_view_drop_default", False, False, False, False),
"alter_view_add_default": ("alter_view_add_default", False, False, False, False),
"add_comments":("add_comments", False, False, False, False),
"drop_comments": ("drop_comments", False, False, False, False),
"alter_comments": ("alter_comments", False, False, False, False),
"alter_view_change_default": ("alter_view_change_default", False, False, False, False),
"add_sequence_bug2100013": ("add_sequence_bug2100013", False, False, False, False),
"view_bug3080388": ("view_bug3080388", False, False, False, False),
"function_bug3084274": ("function_bug3084274", False, False, False, False),
"add_comment_new_column": ("add_comment_new_column", False, False, False, False),
"quoted_schema": ("quoted_schema", False, False, False, False),
"add_column_add_defaults": ("add_column_add_defaults", True, False, False, False),
"add_owned_sequence": ("add_owned_sequence", False, False, False, False),
"add_empty_table": ("add_empty_table", False, False, False, False)
}
testFilesPrefix = 'tests/sqls'
@staticmethod
def run(testName, addDefaults=False, addTransaction=False,
ignoreFunctionWhitespace=False, ignoreStartWith=False):
writer = Writer()
arguments.old_dump = '%s/%s_original.sql' % (PgDiffTest.testFilesPrefix, testName)
arguments.new_dump = '%s/%s_new.sql' % (PgDiffTest.testFilesPrefix, testName)
diffFilePath = '%s/%s_diff.sql' % (PgDiffTest.testFilesPrefix, testName)
arguments.addDefaults = addDefaults
arguments.addTransaction = addTransaction
arguments.ignoreFunctionWhitespace = ignoreFunctionWhitespace
arguments.ignoreStartWith = ignoreStartWith
PgDiff.create_diff(writer, arguments)
expectedDiffSQL = open(diffFilePath,'r').read().strip()
gotDiffSQL = str(writer).strip()
diff = unified_diff(expectedDiffSQL.splitlines(1), gotDiffSQL.splitlines(1), fromfile='expectedSQL', tofile='gotSQL')
if(expectedDiffSQL != gotDiffSQL):
# if diff:
# for line in diff:
# print(line)
raise PgDiffTestFailedException(testName, diff)
return True
if __name__ == "__main__":
parser = argparse.ArgumentParser(usage='Usage: PgDiffTest.py <test_case> [...]|all ')
parser.add_argument('test_case', nargs='+')
# parser.add_argument('--debug', dest='debug', action='store_true', help="outputs debug
# information as traceback etc. (default is not to output traceback)")
arguments = parser.parse_args()
test_cases = []
if len(arguments.test_case) == 1 and arguments.test_case[0] == 'all':
test_cases = PgDiffTest.testCases.values()
else:
for testName in arguments.test_case:
try:
test_cases.append(PgDiffTest.testCases[testName])
except KeyError as e:
raise Exception("Test case %s not found in cases list. "
"Please check test case name or add such case in PfDiffTest.testCases dict" % testName)
failedTests = dict()
successfully_passed_tests = 0
for testCase in test_cases:
try:
PgDiffTest.run(testCase[0], testCase[1], testCase[2], testCase[3], testCase[4])
except Exception as e:
import sys, traceback
failedTests[testCase[0]] = e
print(traceback.print_exception(*sys.exc_info()))
else:
successfully_passed_tests += 1
print('Passed tests: %s of %s' % (successfully_passed_tests, len(test_cases)))
for testCase, exception in failedTests.items():
print('[%s] %s' % (testCase, exception))
exit(len(failedTests))