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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
"""Tests for coverage.pickle2json"""
from coverage.backward import pickle, iitems
from coverage.data import CoverageData
from coverage.pickle2json import pickle2json
from tests.coveragetest import CoverageTest
from tests.test_data import DataTestHelpers, LINES_1, ARCS_3
class Pickle2JsonTestInTempDir(DataTestHelpers, CoverageTest):
"""Tests pickle2json.py."""
no_files_in_temp_dir = True
def write_pickled_file(self, covdata, filename):
"""Write coverage data as pickled `filename`."""
# Create the file data.
file_data = {}
if covdata._arcs:
file_data['arcs'] = dict((f, list(amap)) for f, amap in iitems(covdata._arcs))
else:
file_data['lines'] = dict((f, list(lmap)) for f, lmap in iitems(covdata._lines))
# Write the pickle to the file.
with open(filename, 'wb') as file_obj:
pickle.dump(file_data, file_obj, 2)
def test_read_write_lines_pickle(self):
# Test the old pickle format.
covdata1 = CoverageData()
covdata1.add_lines(LINES_1)
self.write_pickled_file(covdata1, "lines.pkl")
pickle2json("lines.pkl", "lines.json")
covdata2 = CoverageData()
covdata2.read_file("lines.json")
self.assert_lines1_data(covdata2)
def test_read_write_arcs_pickle(self):
# Test the old pickle format.
covdata1 = CoverageData()
covdata1.add_arcs(ARCS_3)
self.write_pickled_file(covdata1, "arcs.pkl")
pickle2json("arcs.pkl", "arcs.json")
covdata2 = CoverageData()
covdata2.read_file("arcs.json")
self.assert_arcs3_data(covdata2)
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