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twister: Collect test names in lcov

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When using --coverage-per-instance, collect the test names in lcov, and
add --show-details to the html report to display those test names.

Signed-off-by: Jeremy Bettis <jbettis@google.com>
This commit is contained in:
Jeremy Bettis 2025-02-05 16:55:05 -07:00 • committed by Benjamin Cabé
commit 1385f02979
1 changed files with 8 additions and 1 deletions
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9
scripts/pylib/twister/twisterlib/coverage.py
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@ -297,6 +297,10 @@ class Lcov(CoverageTool):
cmd.append(filename)
else:
cmd = ["--capture", "--directory", outdir, "--output-file", coveragefile]
if self.coverage_per_instance and len(self.instances) == 1:
invalid_chars = re.compile(r"[^A-Za-z0-9_]")
cmd.append("--test-name")
cmd.append(invalid_chars.sub("_", next(iter(self.instances))))
self.run_lcov(cmd, coveragelog)
# We want to remove tests/* and tests/ztest/test/* but save tests/ztest
@ -325,7 +329,10 @@ class Lcov(CoverageTool):
cmd = ["genhtml", "--legend", "--branch-coverage",
"--prefix", self.base_dir,
"-output-directory", os.path.join(outdir, "coverage")] + files
"-output-directory", os.path.join(outdir, "coverage")]
if self.coverage_per_instance:
cmd.append("--show-details")
cmd += files
ret = self.run_command(cmd, coveragelog)
# TODO: Add LCOV summary coverage report.