tree ebffad7c92ee98215e5c76f87b80ceedb3e98481
parent ece17d5d4e74d67dd869cbd1951ca1001423b472
author Krzysztof Naglik <krzysztofnaglik96@gmail.com> 1667926236 +0100
committer GitHub <noreply@github.com> 1667926236 -0500
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Fix identical gcov json file name problem (#16672)

**The problem:**

Bazel moves all `.gcov.json.gz` files to one directory. If in a test target, two source files have identical names, then the second `.gcov.json.gz` overwrites the first one.

**The solution:**

I added `gcno_path` to the move destination in order to distinguish multiple `.gcov.json.gz` with the same name.

**Testing:**

In the `test_cc_test_coverage_gcov` test case I added the `different/a.cc` source file, so currently we have the following source tree:
```
coverage_srcs/a.h
coverage_srcs/a.cc
coverage_srcs/b.h
coverage_srcs/t.cc
coverage_srcs/different/a.h
coverage_srcs/different/a.cc
```

gcda and gcno files are created next to the source files. The final `gcov.json` files are placed in the corresponding paths:
```
$COVERAGE_DIR_VAR/coverage_srcs/*a.gcov.json.gz
$COVERAGE_DIR_VAR/coverage_srcs/*t.gcov.json.gz
$COVERAGE_DIR_VAR/coverage_srcs/different/*a.gcov.json.gz
```

Closes #16527.

PiperOrigin-RevId: 483911427
Change-Id: I1608407e4b7264fb5fd436997bdc344344932b97