23177125175

Committed 17 Mar 2026 03:32AM UTC coverage: 52.677% (-40.3%) from 92.932%

Build # 23177125175

Build Type

Pull #23177

github

Committed by

web-flow

Commit Message

Merge 1824dfbf4 into 0b9fdfb0e

Pull Request Pull Request #23177: Bump the gha-deps group across 1 directory with 4 updates

Coverage Stats

31687 of 60153 relevant lines covered (52.68%)

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0.0

/src/python/pants/backend/go/goals/test.py

# Copyright 2021 Pants project contributors (see CONTRIBUTORS.md).
# Licensed under the Apache License, Version 2.0 (see LICENSE).

from __future__ import annotations

import dataclasses
import json
import logging
import os
from collections import deque
from collections.abc import Iterable, Sequence
from dataclasses import dataclass
from typing import Any

from pants.backend.go.subsystems.gotest import GoTestSubsystem
from pants.backend.go.target_type_rules import (
    GoImportPathMappingRequest,
    map_import_paths_to_packages,
)
from pants.backend.go.target_types import (
    GoPackageSourcesField,
    GoTestExtraEnvVarsField,
    GoTestTimeoutField,
    SkipGoTestsField,
)
from pants.backend.go.util_rules.build_opts import (
    GoBuildOptionsFromTargetRequest,
    go_extract_build_options_from_target,
)
from pants.backend.go.util_rules.build_pkg import (
    BuildGoPackageRequest,
    build_go_package,
    required_built_go_package,
)
from pants.backend.go.util_rules.build_pkg_target import (
    BuildGoPackageRequestForStdlibRequest,
    BuildGoPackageTargetRequest,
    setup_build_go_package_target_request,
    setup_build_go_package_target_request_for_stdlib,
)
from pants.backend.go.util_rules.coverage import (
    GenerateCoverageSetupCodeRequest,
    GenerateCoverageSetupCodeResult,
    GoCoverageConfig,
    GoCoverageData,
    GoCoverMode,
    generate_go_coverage_setup_code,
)
from pants.backend.go.util_rules.first_party_pkg import (
    FirstPartyPkgAnalysis,
    FirstPartyPkgAnalysisRequest,
    FirstPartyPkgDigest,
    FirstPartyPkgDigestRequest,
    analyze_first_party_package,
    setup_first_party_pkg_digest,
)
from pants.backend.go.util_rules.go_mod import OwningGoModRequest, find_owning_go_mod
from pants.backend.go.util_rules.goroot import GoRoot
from pants.backend.go.util_rules.import_analysis import (
    GoStdLibPackagesRequest,
    analyze_go_stdlib_packages,
)
from pants.backend.go.util_rules.link import LinkGoBinaryRequest, link_go_binary
from pants.backend.go.util_rules.pkg_analyzer import PackageAnalyzerSetup
from pants.backend.go.util_rules.tests_analysis import (
    GeneratedTestMain,
    GenerateTestMainRequest,
    generate_testmain,
)
from pants.build_graph.address import Address
from pants.core.goals.test import TestExtraEnv, TestFieldSet, TestRequest, TestResult, TestSubsystem
from pants.core.target_types import FileSourceField
from pants.core.util_rules.env_vars import environment_vars_subset
from pants.core.util_rules.source_files import SourceFilesRequest, determine_source_files
from pants.engine.env_vars import EnvironmentVarsRequest
from pants.engine.fs import EMPTY_FILE_DIGEST, AddPrefix, Digest, MergeDigests
from pants.engine.internals.graph import resolve_targets
from pants.engine.internals.native_engine import EMPTY_DIGEST, Snapshot
from pants.engine.intrinsics import (
    add_prefix,
    digest_to_snapshot,
    execute_process_with_retry,
    merge_digests,
)
from pants.engine.process import (
    Process,
    ProcessWithRetries,
    execute_process_or_raise,
)
from pants.engine.rules import collect_rules, concurrently, implicitly, rule
from pants.engine.target import Dependencies, DependenciesRequest, SourcesField, Target
from pants.util.logging import LogLevel
from pants.util.ordered_set import FrozenOrderedSet

logger = logging.getLogger(__name__)

# Known options to Go test binaries. Only these options will be transformed by `transform_test_args`.
# The bool value represents whether the option is expected to take a value or not.
# To regenerate this list, run `go run ./gentestflags.go` and copy the output below.
TEST_FLAGS = {
    "bench": True,
    "benchmem": False,
    "benchtime": True,
    "blockprofile": True,
    "blockprofilerate": True,
    "count": True,
    "coverprofile": True,
    "cpu": True,
    "cpuprofile": True,
    "failfast": False,
    "fullpath": False,
    "fuzz": True,
    "fuzzminimizetime": True,
    "fuzztime": True,
    "list": True,
    "memprofile": True,
    "memprofilerate": True,
    "mutexprofile": True,
    "mutexprofilefraction": True,
    "outputdir": True,
    "parallel": True,
    "run": True,
    "short": False,
    "shuffle": True,
    "skip": True,
    "timeout": True,
    "trace": True,
    "v": False,
}


@dataclass(frozen=True)
class GoTestFieldSet(TestFieldSet):
    required_fields = (GoPackageSourcesField,)

    sources: GoPackageSourcesField
    dependencies: Dependencies
    timeout: GoTestTimeoutField
    extra_env_vars: GoTestExtraEnvVarsField

    @classmethod
    def opt_out(cls, tgt: Target) -> bool:
        return tgt.get(SkipGoTestsField).value


class GoTestRequest(TestRequest):
    tool_subsystem = GoTestSubsystem  # type: ignore[assignment]
    field_set_type = GoTestFieldSet


@dataclass(frozen=True)
class PrepareGoTestBinaryCoverageConfig:
    coverage_mode: GoCoverMode
    coverage_packages: tuple[str, ...]


@dataclass(frozen=True)
class PrepareGoTestBinaryRequest:
    field_set: GoTestFieldSet
    coverage: PrepareGoTestBinaryCoverageConfig | None


@dataclass(frozen=True)
class PrepareGoTestBinaryResult:
    test_binary_digest: Digest
    test_binary_path: str
    import_path: str
    pkg_digest: FirstPartyPkgDigest
    pkg_analysis: FirstPartyPkgAnalysis


@dataclass(frozen=True)
class FalliblePrepareGoTestBinaryResult:
    binary: PrepareGoTestBinaryResult | None
    stdout: str
    stderr: str
    exit_code: int


def transform_test_args(args: Sequence[str], timeout_field_value: int | None) -> tuple[str, ...]:
    result = []
    i = 0
    next_arg_is_option_value = False
    timeout_is_set = False
    while i < len(args):
        arg = args[i]
        i += 1

        # If this argument is an option value, then append it to the result and continue to next
        # argument.
        if next_arg_is_option_value:
            result.append(arg)
            next_arg_is_option_value = False
            continue

        # Non-arguments stop option processing.
        if arg[0] != "-":
            result.append(arg)
            break

        # Stop processing since "-" is a non-argument and "--" is terminator.
        if arg == "-" or arg == "--":
            result.append(arg)
            break

        start_index = 2 if arg[1] == "-" else 1
        equals_index = arg.find("=", start_index)
        if equals_index != -1:
            arg_name = arg[start_index:equals_index]
            option_value = arg[equals_index:]
        else:
            arg_name = arg[start_index:]
            option_value = ""

        if arg_name in TEST_FLAGS:
            if arg_name == "timeout":
                timeout_is_set = True

            rewritten_arg = f"{arg[0:start_index]}test.{arg_name}{option_value}"
            result.append(rewritten_arg)

            no_opt_provided = TEST_FLAGS[arg_name] and option_value == ""
            if no_opt_provided:
                next_arg_is_option_value = True
        else:
            result.append(arg)

    if not timeout_is_set and timeout_field_value is not None:
        result.append(f"-test.timeout={timeout_field_value}s")

    result.extend(args[i:])
    return tuple(result)


def _lift_build_requests_with_coverage(
    roots: Iterable[BuildGoPackageRequest],
) -> list[BuildGoPackageRequest]:
    result: list[BuildGoPackageRequest] = []

    queue: deque[BuildGoPackageRequest] = deque()
    seen: set[BuildGoPackageRequest] = set()
    queue.extend(roots)
    seen.update(roots)

    while queue:
        build_request = queue.popleft()
        if build_request.with_coverage:
            result.append(build_request)
        unseen = [dd for dd in build_request.direct_dependencies if dd not in seen]
        queue.extend(unseen)
        seen.update(unseen)

    return result


@rule(desc="Prepare Go test binary", level=LogLevel.DEBUG)
async def prepare_go_test_binary(
    request: PrepareGoTestBinaryRequest,
    analyzer: PackageAnalyzerSetup,
) -> FalliblePrepareGoTestBinaryResult:
    go_mod_addr = await find_owning_go_mod(
        OwningGoModRequest(request.field_set.address), **implicitly()
    )
    package_mapping, build_opts = await concurrently(
        map_import_paths_to_packages(
            GoImportPathMappingRequest(go_mod_addr.address), **implicitly()
        ),
        go_extract_build_options_from_target(
            GoBuildOptionsFromTargetRequest(request.field_set.address), **implicitly()
        ),
    )

    maybe_pkg_analysis, maybe_pkg_digest, dependencies = await concurrently(
        analyze_first_party_package(
            FirstPartyPkgAnalysisRequest(request.field_set.address, build_opts=build_opts),
            **implicitly(),
        ),
        setup_first_party_pkg_digest(
            FirstPartyPkgDigestRequest(request.field_set.address, build_opts=build_opts)
        ),
        resolve_targets(**implicitly(DependenciesRequest(request.field_set.dependencies))),
    )

    def compilation_failure(
        exit_code: int, stdout: str | None, stderr: str | None
    ) -> FalliblePrepareGoTestBinaryResult:
        return FalliblePrepareGoTestBinaryResult(
            binary=None,
            stdout=stdout or "",
            stderr=stderr or "",
            exit_code=exit_code,
        )

    if maybe_pkg_analysis.analysis is None:
        assert maybe_pkg_analysis.stderr is not None
        return compilation_failure(maybe_pkg_analysis.exit_code, None, maybe_pkg_analysis.stderr)
    if maybe_pkg_digest.pkg_digest is None:
        assert maybe_pkg_digest.stderr is not None
        return compilation_failure(maybe_pkg_digest.exit_code, None, maybe_pkg_digest.stderr)

    pkg_analysis = maybe_pkg_analysis.analysis
    pkg_digest = maybe_pkg_digest.pkg_digest
    import_path = pkg_analysis.import_path

    with_coverage = False
    if request.coverage is not None:
        with_coverage = True
        build_opts = dataclasses.replace(
            build_opts,
            coverage_config=GoCoverageConfig(
                cover_mode=request.coverage.coverage_mode,
                import_path_include_patterns=request.coverage.coverage_packages,
            ),
        )

    testmain = await generate_testmain(
        GenerateTestMainRequest(
            digest=pkg_digest.digest,
            test_paths=FrozenOrderedSet(
                os.path.join(pkg_analysis.dir_path, name) for name in pkg_analysis.test_go_files
            ),
            xtest_paths=FrozenOrderedSet(
                os.path.join(pkg_analysis.dir_path, name) for name in pkg_analysis.xtest_go_files
            ),
            import_path=import_path,
            register_cover=with_coverage,
            address=request.field_set.address,
        ),
    )

    if testmain.failed_exit_code_and_stderr is not None:
        _exit_code, _stderr = testmain.failed_exit_code_and_stderr
        return compilation_failure(_exit_code, None, _stderr)

    if not testmain.has_tests and not testmain.has_xtests:
        return FalliblePrepareGoTestBinaryResult(
            binary=None,
            stdout="",
            stderr="",
            exit_code=0,
        )

    testmain_analysis_input_digest = await merge_digests(
        MergeDigests([testmain.digest, analyzer.digest])
    )

    testmain_analysis = await execute_process_or_raise(
        **implicitly(
            Process(
                (analyzer.path, "."),
                input_digest=testmain_analysis_input_digest,
                description=f"Determine metadata for testmain for {request.field_set.address}",
                level=LogLevel.DEBUG,
                env={
                    "CGO_ENABLED": "1" if build_opts.cgo_enabled else "0",
                },
            ),
        )
    )
    testmain_analysis_json = json.loads(testmain_analysis.stdout.decode())

    stdlib_packages = await analyze_go_stdlib_packages(
        GoStdLibPackagesRequest(
            with_race_detector=build_opts.with_race_detector,
            cgo_enabled=build_opts.cgo_enabled,
        ),
    )

    inferred_dependencies: set[Address] = set()
    stdlib_build_request_gets = []
    for dep_import_path in testmain_analysis_json.get("Imports", []):
        if dep_import_path == import_path:
            continue  # test pkg dep added manually later

        if dep_import_path in stdlib_packages:
            stdlib_build_request_gets.append(
                setup_build_go_package_target_request_for_stdlib(
                    BuildGoPackageRequestForStdlibRequest(
                        import_path=dep_import_path,
                        build_opts=build_opts,
                    ),
                    **implicitly(),
                )
            )
            continue

        candidate_packages = package_mapping.mapping.get(dep_import_path)
        if candidate_packages:
            if candidate_packages.infer_all:
                inferred_dependencies.update(candidate_packages.addresses)
            else:
                if len(candidate_packages.addresses) > 1:
                    # TODO(#12761): Use ExplicitlyProvidedDependencies for disambiguation.
                    logger.warning(
                        f"Ambiguous mapping for import path {dep_import_path} on packages at addresses: {candidate_packages}"
                    )
                elif len(candidate_packages.addresses) == 1:
                    inferred_dependencies.add(candidate_packages.addresses[0])
                else:
                    logger.debug(
                        f"Unable to infer dependency for import path '{dep_import_path}' "
                        f"in go_package at address '{request.field_set.address}'."
                    )
        else:
            logger.debug(
                f"Unable to infer dependency for import path '{dep_import_path}' "
                f"in go_package at address '{request.field_set.address}'."
            )

    fallible_testmain_import_build_requests = await concurrently(
        setup_build_go_package_target_request(
            BuildGoPackageTargetRequest(
                address=address,
                build_opts=build_opts,
            ),
            **implicitly(),
        )
        for address in sorted(inferred_dependencies)
    )

    testmain_import_build_requests: list[BuildGoPackageRequest] = []
    for build_request in fallible_testmain_import_build_requests:
        if build_request.request is None:
            return compilation_failure(build_request.exit_code, None, build_request.stderr)
        testmain_import_build_requests.append(build_request.request)

    stdlib_build_requests = await concurrently(stdlib_build_request_gets)
    for build_request in stdlib_build_requests:
        assert build_request.request is not None
        testmain_import_build_requests.append(build_request.request)

    # Construct the build request for the package under test.
    maybe_test_pkg_build_request = await setup_build_go_package_target_request(
        BuildGoPackageTargetRequest(
            request.field_set.address,
            for_tests=True,
            with_coverage=with_coverage,
            build_opts=build_opts,
        ),
        **implicitly(),
    )
    if maybe_test_pkg_build_request.request is None:
        assert maybe_test_pkg_build_request.stderr is not None
        return compilation_failure(
            maybe_test_pkg_build_request.exit_code, None, maybe_test_pkg_build_request.stderr
        )
    test_pkg_build_request = maybe_test_pkg_build_request.request

    # Determine the direct dependencies of the generated main package. The test package itself is always a
    # dependency. Add the xtests package as well if any xtests exist.
    main_direct_deps = [test_pkg_build_request, *testmain_import_build_requests]
    if testmain.has_xtests:
        # Build a synthetic package for xtests where the import path is the same as the package under test
        # but with "_test" appended.
        maybe_xtest_pkg_build_request = await setup_build_go_package_target_request(
            BuildGoPackageTargetRequest(
                request.field_set.address,
                for_xtests=True,
                with_coverage=with_coverage,
                build_opts=build_opts,
            ),
            **implicitly(),
        )
        if maybe_xtest_pkg_build_request.request is None:
            assert maybe_xtest_pkg_build_request.stderr is not None
            return compilation_failure(
                maybe_xtest_pkg_build_request.exit_code, None, maybe_xtest_pkg_build_request.stderr
            )
        xtest_pkg_build_request = maybe_xtest_pkg_build_request.request
        main_direct_deps.append(xtest_pkg_build_request)

    # Generate coverage setup code for the test main if coverage is enabled.
    #
    # Note: Go coverage analysis is a form of codegen. It rewrites the Go source code at issue to include explicit
    # references to "coverage variables" which contain the statement counts for coverage analysis. The test main
    # generated for a Go test binary has to explicitly reference the coverage variables generated by this codegen and
    # register them with the coverage runtime.
    coverage_setup_digest = EMPTY_DIGEST
    coverage_setup_files = []
    if with_coverage:
        # Scan the tree of BuildGoPackageRequest's and lift any packages with coverage enabled to be direct
        # dependencies of the generated main package. This facilitates registration of the code coverage
        # setup functions.
        coverage_transitive_deps = _lift_build_requests_with_coverage(main_direct_deps)
        coverage_transitive_deps.sort(key=lambda build_req: build_req.import_path)
        main_direct_deps.extend(coverage_transitive_deps)

        # Build the `main_direct_deps` when in coverage mode to obtain the "coverage variables" for those packages.
        built_main_direct_deps = await concurrently(
            required_built_go_package(**implicitly({build_req: BuildGoPackageRequest}))
            for build_req in main_direct_deps
        )
        coverage_metadata = [
            pkg.coverage_metadata for pkg in built_main_direct_deps if pkg.coverage_metadata
        ]
        coverage_setup_result = await generate_go_coverage_setup_code(
            GenerateCoverageSetupCodeRequest(
                packages=FrozenOrderedSet(coverage_metadata),
                cover_mode=request.coverage.coverage_mode,  # type: ignore[union-attr] # gated on with_coverage
            ),
        )
        coverage_setup_digest = coverage_setup_result.digest
        coverage_setup_files = [GenerateCoverageSetupCodeResult.PATH]

    testmain_input_digest = await merge_digests(
        MergeDigests([testmain.digest, coverage_setup_digest])
    )

    # Generate the synthetic main package which imports the test and/or xtest packages.
    maybe_built_main_pkg = await build_go_package(
        BuildGoPackageRequest(
            import_path="main",
            pkg_name="main",
            digest=testmain_input_digest,
            dir_path="",
            build_opts=build_opts,
            go_files=(GeneratedTestMain.TEST_MAIN_FILE, *coverage_setup_files),
            s_files=(),
            direct_dependencies=tuple(main_direct_deps),
            minimum_go_version=pkg_analysis.minimum_go_version,
        ),
        **implicitly(),
    )
    if maybe_built_main_pkg.output is None:
        assert maybe_built_main_pkg.stderr is not None
        return compilation_failure(
            maybe_built_main_pkg.exit_code, maybe_built_main_pkg.stdout, maybe_built_main_pkg.stderr
        )
    built_main_pkg = maybe_built_main_pkg.output

    main_pkg_a_file_path = built_main_pkg.import_paths_to_pkg_a_files["main"]

    binary = await link_go_binary(
        LinkGoBinaryRequest(
            input_digest=built_main_pkg.digest,
            archives=(main_pkg_a_file_path,),
            build_opts=build_opts,
            import_paths_to_pkg_a_files=built_main_pkg.import_paths_to_pkg_a_files,
            output_filename="./test_runner",  # TODO: Name test binary the way that `go` does?
            description=f"Link Go test binary for {request.field_set.address}",
        ),
        **implicitly(),
    )

    return FalliblePrepareGoTestBinaryResult(
        binary=PrepareGoTestBinaryResult(
            test_binary_digest=binary.digest,
            test_binary_path="./test_runner",
            import_path=import_path,
            pkg_digest=pkg_digest,
            pkg_analysis=pkg_analysis,
        ),
        stdout="",
        stderr="",
        exit_code=0,
    )


_PROFILE_OPTIONS: dict[str, str] = {
    "blockprofile": "--go-test-block-profile",
    "coverprofile": "--test-use-coverage",
    "cpuprofie": "--go-test-cpu-profile",
    "memprofile": "--go-test-mem-profile",
    "mutexprofile": "--go-test-mutex-profile",
    "trace": "--go-test-trace",
}


def _ensure_no_profile_options(args: Sequence[str]) -> None:
    for arg in args:
        # Non-arguments stop option processing.
        if arg[0] != "-":
            break

        # Stop processing since "-" is a non-argument and "--" is terminator.
        if arg == "-" or arg == "--":
            break

        for go_name, pants_name in _PROFILE_OPTIONS.items():
            if arg == f"-test.{go_name}" or arg.startswith(f"-test.{go_name}="):
                raise ValueError(
                    f"The `[go-test].args` option contains the Go test option `-{go_name}`. "
                    "This is not supported because Pants needs to manage that option in order to know to "
                    "extract the applicable output file from the execution sandbox. "
                    f"Please use the Pants `{pants_name}` option instead."
                )


@rule(desc="Test with Go", level=LogLevel.DEBUG)
async def run_go_tests(
    batch: GoTestRequest.Batch[GoTestFieldSet, Any],
    test_subsystem: TestSubsystem,
    go_test_subsystem: GoTestSubsystem,
    test_extra_env: TestExtraEnv,
    goroot: GoRoot,
) -> TestResult:
    field_set = batch.single_element

    coverage: PrepareGoTestBinaryCoverageConfig | None = None
    if test_subsystem.use_coverage:
        coverage = PrepareGoTestBinaryCoverageConfig(
            coverage_mode=go_test_subsystem.coverage_mode,
            coverage_packages=go_test_subsystem.coverage_packages,
        )

    fallible_test_binary = await prepare_go_test_binary(
        PrepareGoTestBinaryRequest(field_set=field_set, coverage=coverage), **implicitly()
    )

    if fallible_test_binary.exit_code != 0:
        return TestResult(
            exit_code=fallible_test_binary.exit_code,
            stdout_bytes=fallible_test_binary.stdout.encode(),
            stderr_bytes=fallible_test_binary.stderr.encode(),
            stdout_digest=EMPTY_FILE_DIGEST,
            stderr_digest=EMPTY_FILE_DIGEST,
            addresses=(field_set.address,),
            output_setting=test_subsystem.output,
            result_metadata=None,
        )

    test_binary = fallible_test_binary.binary
    if test_binary is None:
        return TestResult.no_tests_found(field_set.address, output_setting=test_subsystem.output)

    # To emulate Go's test runner, we set the working directory to the path of the `go_package`.
    # This allows tests to open dependencies on `file` targets regardless of where they are
    # located. See https://dave.cheney.net/2016/05/10/test-fixtures-in-go.
    working_dir = field_set.address.spec_path
    field_set_extra_env, dependencies, binary_with_prefix = await concurrently(
        environment_vars_subset(
            EnvironmentVarsRequest(field_set.extra_env_vars.value or ()), **implicitly()
        ),
        resolve_targets(**implicitly(DependenciesRequest(field_set.dependencies))),
        add_prefix(AddPrefix(test_binary.test_binary_digest, working_dir)),
    )
    files_sources = await determine_source_files(
        SourceFilesRequest(
            (dep.get(SourcesField) for dep in dependencies),
            for_sources_types=(FileSourceField,),
            enable_codegen=True,
        )
    )
    test_input_digest = await merge_digests(
        MergeDigests((binary_with_prefix, files_sources.snapshot.digest))
    )

    extra_env = {
        **test_extra_env.env,
        # NOTE: field_set_extra_env intentionally after `test_extra_env` to allow overriding within
        # `go_package`.
        **field_set_extra_env,
    }

    # Add $GOROOT/bin to the PATH just as `go test` does.
    # See https://github.com/golang/go/blob/master/src/cmd/go/internal/test/test.go#L1384
    goroot_bin_path = os.path.join(goroot.path, "bin")
    if "PATH" in extra_env:
        extra_env["PATH"] = f"{goroot_bin_path}:{extra_env['PATH']}"
    else:
        extra_env["PATH"] = goroot_bin_path

    cache_scope = test_subsystem.default_process_cache_scope

    test_flags = transform_test_args(
        go_test_subsystem.args,
        field_set.timeout.calculate_from_global_options(test_subsystem),
    )

    _ensure_no_profile_options(test_flags)

    output_files = []
    maybe_profile_args = []
    output_test_binary = go_test_subsystem.output_test_binary

    if test_subsystem.use_coverage:
        maybe_profile_args.append("-test.coverprofile=cover.out")
        output_files.append("cover.out")

    if go_test_subsystem.block_profile:
        maybe_profile_args.append("-test.blockprofile=block.out")
        output_files.append("block.out")
        output_test_binary = True

    if go_test_subsystem.cpu_profile:
        maybe_profile_args.append("-test.cpuprofile=cpu.out")
        output_files.append("cpu.out")
        output_test_binary = True

    if go_test_subsystem.mem_profile:
        maybe_profile_args.append("-test.memprofile=mem.out")
        output_files.append("mem.out")
        output_test_binary = True

    if go_test_subsystem.mutex_profile:
        maybe_profile_args.append("-test.mutexprofile=mutex.out")
        output_files.append("mutex.out")
        output_test_binary = True

    if go_test_subsystem.trace:
        maybe_profile_args.append("-test.trace=trace.out")
        output_files.append("trace.out")

    go_test_process = Process(
        argv=(
            test_binary.test_binary_path,
            *test_flags,
            *maybe_profile_args,
        ),
        env=extra_env,
        input_digest=test_input_digest,
        description=f"Run Go tests: {field_set.address}",
        cache_scope=cache_scope,
        working_directory=working_dir,
        output_files=output_files,
        level=LogLevel.DEBUG,
    )
    results = await execute_process_with_retry(
        ProcessWithRetries(go_test_process, test_subsystem.attempts_default)
    )

    coverage_data: GoCoverageData | None = None
    if test_subsystem.use_coverage:
        coverage_data = GoCoverageData(
            coverage_digest=results.last.output_digest,
            import_path=test_binary.import_path,
            sources_digest=test_binary.pkg_digest.digest,
            sources_dir_path=test_binary.pkg_analysis.dir_path,
            pkg_target_address=field_set.address,
        )

    output_files = [x for x in output_files if x != "cover.out"]
    extra_output: Snapshot | None = None
    if output_files or output_test_binary:
        output_digest = results.last.output_digest
        if output_test_binary:
            output_digest = await merge_digests(
                MergeDigests([output_digest, test_binary.test_binary_digest])
            )
        extra_output = await digest_to_snapshot(output_digest)

    return TestResult.from_fallible_process_result(
        process_results=results.results,
        address=field_set.address,
        output_setting=test_subsystem.output,
        coverage_data=coverage_data,
        extra_output=extra_output,
        log_extra_output=True,
    )


def rules():
    return [
        *collect_rules(),
        *GoTestRequest.rules(),
    ]

pantsbuild / pants / 23177125175

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