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import unittest
from io import StringIO
from traces_diff import LockOpTraceFileReader
class TestLockOpTraceFileReader(unittest.TestCase):
def setUp(self):
self.baseline_trace = """---TRACE 1---\n\nfile1:123 lock A\nfile1:234 unlock A\n"""
# Diff
self.sample_trace_1 = """---TRACE 2---\n\nfile2:123 lock B\nfile1:123 unlock A\n"""
self.sample_trace_2 = """---TRACE 2---\n\nfile1:123 lock B\nfile1:234 unlock A\n"""
# No Diff
self.sample_trace_3 = """---TRACE 3---\n\nfile1:123 lock A\nfile1:234 unlock A\n"""
self.sample_trace_4 = """---TRACE 4---\n\nfile1:123 lock A\nfile1:235 unlock A\n"""
self.sample_trace_5 = """---TRACE 5---\n\nfile2:123 lock A\nfile1:234 unlock A\n"""
def test_trace_diff_1(self):
reader1 = LockOpTraceFileReader(StringIO(self.baseline_trace))
reader2 = LockOpTraceFileReader(StringIO(self.sample_trace_1))
self.assertIsNot(reader1.get_diff(reader2), [])
def test_trace_diff_2(self):
reader1 = LockOpTraceFileReader(StringIO(self.baseline_trace))
reader2 = LockOpTraceFileReader(StringIO(self.sample_trace_2))
self.assertIsNot(reader1.get_diff(reader2), [])
def test_trace_no_diff_1(self):
reader1 = LockOpTraceFileReader(StringIO(self.baseline_trace))
reader2 = LockOpTraceFileReader(StringIO(self.sample_trace_3))
self.assertIs(len(reader1.get_diff(reader2)), 0)
def test_trace_no_diff_2(self):
reader1 = LockOpTraceFileReader(StringIO(self.baseline_trace))
reader2 = LockOpTraceFileReader(StringIO(self.sample_trace_4))
self.assertIs(len(reader1.get_diff(reader2)), 0)
def test_trace_no_diff_3(self):
reader1 = LockOpTraceFileReader(StringIO(self.baseline_trace))
reader2 = LockOpTraceFileReader(StringIO(self.sample_trace_5))
self.assertIs(len(reader1.get_diff(reader2)), 0)
if __name__ == "__main__":
unittest.main()
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