def parser_roundtrip(self, lcov_string):
with TempFile(lcov_string) as fname:
file_obj = lcov_rewriter.LcovFile([fname])
out = StringIO()
file_obj.print_file(out, lambda s: (s, None), lambda x, pp: x)
return out.getvalue()
def test_remap_lcov(self):
pp_remap = {
"1941,2158": ("dropPreview.js", 6),
"2159,2331": ("updater.js", 6),
"2584,2674": ("intro.js", 6),
"2332,2443": ("undo.js", 6),
"864,985": ("cells.js", 6),
"2444,2454": ("search.js", 6),
"1567,1712": ("drop.js", 6),
"2455,2583": ("customize.js", 6),
"1713,1940": ("dropTargetShim.js", 6),
"1402,1548": ("drag.js", 6),
"1549,1566": ("dragDataHelper.js", 6),
"453,602": ("page.js", 141),
"2675,2678": ("newTab.js", 70),
"56,321": ("transformations.js", 6),
"603,863": ("grid.js", 6),
"322,452": ("page.js", 6),
"986,1401": ("sites.js", 6),
}
fpath = os.path.join(here, "sample_lcov.info")
# Read original records
lcov_file = lcov_rewriter.LcovFile([fpath])
records = [
lcov_file.parse_record(r)
for _, _, r in lcov_file.iterate_records()
]
# This summarization changes values due multiple reports per line coming
# from the JS engine (bug 1198356).
for r in records:
r.resummarize()
original_line_count = r.line_count
original_covered_line_count = r.covered_line_count
original_function_count = r.function_count
original_covered_function_count = r.covered_function_count
self.assertEqual(len(records), 1)
# Rewrite preprocessed entries.
lcov_file = lcov_rewriter.LcovFile([fpath])
r_num = []
def rewrite_source(s):
r_num.append(1)
return s, pp_remap
out = StringIO()
lcov_file.print_file(out, rewrite_source,
self.pp_rewriter.rewrite_record)
self.assertEqual(len(r_num), 1)
# Read rewritten lcov.
with TempFile(out.getvalue()) as fname:
lcov_file = lcov_rewriter.LcovFile([fname])
records = [
lcov_file.parse_record(r)
for _, _, r in lcov_file.iterate_records()
]
self.assertEqual(len(records), 17)
# Lines/functions are only "moved" between records, not duplicated or omited.
self.assertEqual(original_line_count,
sum(r.line_count for r in records))
self.assertEqual(original_covered_line_count,
sum(r.covered_line_count for r in records))
self.assertEqual(original_function_count,
sum(r.function_count for r in records))
self.assertEqual(
original_covered_function_count,
sum(r.covered_function_count for r in records),
)
def get_lcov(self, lcov_string):
fh = StringIO(lcov_string)
return lcov_rewriter.LcovFile(fh)
def get_lcov_file(self, name):
fpath = os.path.join(here, name)
with open(fpath) as fh:
lcov_file = lcov_rewriter.LcovFile(fh)
return lcov_file
def test_remap_lcov(self):
pp_remap = {
(1941, 2158): ('dropPreview.js', 6),
(2159, 2331): ('updater.js', 6),
(2584, 2674): ('intro.js', 6),
(2332, 2443): ('undo.js', 6),
(864, 985): ('cells.js', 6),
(2444, 2454): ('search.js', 6),
(1567, 1712): ('drop.js', 6),
(2455, 2583): ('customize.js', 6),
(1713, 1940): ('dropTargetShim.js', 6),
(1402, 1548): ('drag.js', 6),
(1549, 1566): ('dragDataHelper.js', 6),
(453, 602): ('page.js', 141),
(2675, 2678): ('newTab.js', 70),
(56, 321): ('transformations.js', 6),
(603, 863): ('grid.js', 6),
(322, 452): ('page.js', 6),
(986, 1401): ('sites.js', 6)
}
self.pp_rewriter.pp_info['lcov_test_newTab.js'] = pp_remap
fpath = os.path.join(here, 'sample_lcov.info')
# Read original records
lcov_file = lcov_rewriter.LcovFile([fpath])
records = [
lcov_file.parse_record(r)
for _, _, r in lcov_file.iterate_records()
]
# This summarization changes values due multiple reports per line coming
# from the JS engine (bug 1198356).
for r in records:
r.resummarize()
original_line_count = r.line_count
original_covered_line_count = r.covered_line_count
original_function_count = r.function_count
original_covered_function_count = r.covered_function_count
self.assertEqual(len(records), 1)
# Rewrite preprocessed entries.
lcov_file = lcov_rewriter.LcovFile([fpath])
r_num = []
def rewrite_source(s):
r_num.append(1)
return s, self.pp_rewriter.has_pp_info(s)
out = StringIO()
lcov_file.print_file(out, rewrite_source,
self.pp_rewriter.rewrite_record)
self.assertEqual(len(r_num), 1)
# Read rewritten lcov.
with TempFile(out.getvalue()) as fname:
lcov_file = lcov_rewriter.LcovFile([fname])
records = [
lcov_file.parse_record(r)
for _, _, r in lcov_file.iterate_records()
]
self.assertEqual(len(records), 17)
# Lines/functions are only "moved" between records, not duplicated or omited.
self.assertEqual(original_line_count,
sum(r.line_count for r in records))
self.assertEqual(original_covered_line_count,
sum(r.covered_line_count for r in records))
self.assertEqual(original_function_count,
sum(r.function_count for r in records))
self.assertEqual(original_covered_function_count,
sum(r.covered_function_count for r in records))
