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41 lines
1.7 KiB
Python
41 lines
1.7 KiB
Python
import difflib
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import time
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class TSV:
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"""Helper to get pretty diffs between expected and actual tab-separated value files"""
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def __init__(self, contents):
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raw_lines = contents.readlines() if isinstance(contents, file) else contents.splitlines(True)
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self.lines = [l.strip() for l in raw_lines if l.strip()]
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def __eq__(self, other):
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return self.lines == other.lines
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def __ne__(self, other):
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return self.lines != other.lines
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def diff(self, other, n1=None, n2=None):
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return list(line.rstrip() for line in difflib.unified_diff(self.lines, other.lines, fromfile=n1, tofile=n2))[2:]
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def __str__(self):
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return '\n'.join(self.lines)
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@staticmethod
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def toMat(contents):
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return [line.split("\t") for line in contents.split("\n") if line.strip()]
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def assert_eq_with_retry(instance, query, expectation, retry_count=20, sleep_time=0.5, stdin=None, timeout=None, settings=None, user=None, ignore_error=False):
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expectation_tsv = TSV(expectation)
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for i in xrange(retry_count):
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try:
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if TSV(instance.query(query, user=user, stdin=stdin, timeout=timeout, settings=settings, ignore_error=ignore_error)) == expectation_tsv:
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break
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time.sleep(sleep_time)
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except Exception as ex:
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print "assert_eq_with_retry retry {} exception {}".format(i + 1, ex)
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time.sleep(sleep_time)
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else:
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val = TSV(instance.query(query, user=user, stdin=stdin, timeout=timeout, settings=settings, ignore_error=ignore_error))
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if expectation_tsv != val:
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raise AssertionError("'{}' != '{}'\n{}".format(expectation_tsv, val, '\n'.join(expectation_tsv.diff(val, n1="expectation", n2="query"))))
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