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"""Unit tests for the buildscripts.resmokelib.logging.buildlogger module."""
from __future__ import absolute_import
import json
import unittest
from buildscripts.resmokelib.logging import buildlogger
class TestLogsSplitter(unittest.TestCase):
"""Unit tests for the _LogsSplitter class."""
def test_split_no_logs(self):
logs = []
max_size = 10
self.assertEqual([[]], buildlogger._LogsSplitter.split_logs(logs, max_size))
def test_split_no_max_size(self):
logs = self.__generate_logs(size=30)
max_size = None
self.assertEqual([logs], buildlogger._LogsSplitter.split_logs(logs, max_size))
def test_split_max_size_smaller(self):
logs = self.__generate_logs(size=20)
max_size = 30
self.assertEqual([logs], buildlogger._LogsSplitter.split_logs(logs, max_size))
def test_split_max_size_equal(self):
logs = self.__generate_logs(size=30)
max_size = 30
self.assertEqual([logs], buildlogger._LogsSplitter.split_logs(logs, max_size))
def test_split_max_size_larger(self):
logs = self.__generate_logs(size=31)
max_size = 30
self.assertEqual([logs[0:-1], logs[-1:]],
buildlogger._LogsSplitter.split_logs(logs, max_size))
logs = self.__generate_logs(size=149)
max_size = 19
self.assertEqual([
logs[0:3], logs[3:6], logs[6:9], logs[9:12], logs[12:15], logs[15:18], logs[18:21],
logs[21:24], logs[24:27], logs[27:]
], buildlogger._LogsSplitter.split_logs(logs, max_size))
def check_split_sizes(self, splits, max_size):
for split in splits:
self.assertTrue(TestLogsSplitter.size(split) <= max_size)
def __generate_logs(self, size):
# The size of [ "x" ] is 5. This is the minimum size we generate.
self.assertTrue(size >= 5)
# Each new "x" adds 5 to the size.
nb_lines = size / 5
# Each additional "x" on a line adds 1 to the size.
last_line_extra = size % 5
logs = ["x"] * nb_lines
logs[-1] += "x" * last_line_extra
self.assertEqual(size, TestLogsSplitter.size(logs))
return logs
@staticmethod
def size(logs):
"""Returns the size of the log lines when represented in JSON."""
return len(json.dumps(logs, encoding="utf-8"))
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