Remove the "install_mockery_mutable_config" fixture (#45129)

This fixture was introduced in #16429, and made
redundant in #39024

10 files changed, 42 insertions, 123 deletions

diff --git a/lib/spack/spack/test/bindist.py b/lib/spack/spack/test/bindist.py
index 2489eaf294..d80ddfe6e5 100644
--- a/lib/spack/spack/test/bindist.py
+++ b/lib/spack/spack/test/bindist.py
@@ -105,11 +105,11 @@ def config_directory(tmpdir_factory):
 
 
 @pytest.fixture(scope="function")
-def default_config(tmpdir, config_directory, monkeypatch, install_mockery_mutable_config):
-    # This fixture depends on install_mockery_mutable_config to ensure
+def default_config(tmpdir, config_directory, monkeypatch, install_mockery):
+    # This fixture depends on install_mockery to ensure
     # there is a clear order of initialization. The substitution of the
     # config scopes here is done on top of the substitution that comes with
-    # install_mockery_mutable_config
+    # install_mockery
     mutable_dir = tmpdir.mkdir("mutable_config").join("tmp")
     config_directory.copy(mutable_dir)
 
@@ -398,9 +398,7 @@ def fake_dag_hash(spec, length=None):
     return "tal4c7h4z0gqmixb1eqa92mjoybxn5l6"[:length]
 
 
-@pytest.mark.usefixtures(
-    "install_mockery_mutable_config", "mock_packages", "mock_fetch", "test_mirror"
-)
+@pytest.mark.usefixtures("install_mockery", "mock_packages", "mock_fetch", "test_mirror")
 def test_spec_needs_rebuild(monkeypatch, tmpdir):
     """Make sure needs_rebuild properly compares remote hash
     against locally computed one, avoiding unnecessary rebuilds"""
@@ -429,7 +427,7 @@ def test_spec_needs_rebuild(monkeypatch, tmpdir):
     assert rebuild
 
 
-@pytest.mark.usefixtures("install_mockery_mutable_config", "mock_packages", "mock_fetch")
+@pytest.mark.usefixtures("install_mockery", "mock_packages", "mock_fetch")
 def test_generate_index_missing(monkeypatch, tmpdir, mutable_config):
     """Ensure spack buildcache index only reports available packages"""
 
@@ -587,9 +585,7 @@ def test_update_sbang(tmpdir, test_mirror):
     str(archspec.cpu.host().family) != "x86_64",
     reason="test data uses gcc 4.5.0 which does not support aarch64",
 )
-def test_install_legacy_buildcache_layout(
-    mutable_config, compiler_factory, install_mockery_mutable_config
-):
+def test_install_legacy_buildcache_layout(mutable_config, compiler_factory, install_mockery):
     """Legacy buildcache layout involved a nested archive structure
     where the .spack file contained a repeated spec.json and another
     compressed archive file containing the install tree.  This test
diff --git a/lib/spack/spack/test/cmd/buildcache.py b/lib/spack/spack/test/cmd/buildcache.py
index b72d753fc3..df4fa72a85 100644
--- a/lib/spack/spack/test/cmd/buildcache.py
+++ b/lib/spack/spack/test/cmd/buildcache.py
@@ -189,12 +189,7 @@ def test_buildcache_autopush(tmp_path, install_mockery, mock_fetch):
 
 
 def test_buildcache_sync(
-    mutable_mock_env_path,
-    install_mockery_mutable_config,
-    mock_packages,
-    mock_fetch,
-    mock_stage,
-    tmpdir,
+    mutable_mock_env_path, install_mockery, mock_packages, mock_fetch, mock_stage, tmpdir
 ):
     """
     Make sure buildcache sync works in an environment-aware manner, ignoring
@@ -323,7 +318,7 @@ def test_buildcache_sync(
 
 def test_buildcache_create_install(
     mutable_mock_env_path,
-    install_mockery_mutable_config,
+    install_mockery,
     mock_packages,
     mock_fetch,
     mock_stage,
diff --git a/lib/spack/spack/test/cmd/ci.py b/lib/spack/spack/test/cmd/ci.py
index edd90bbbd5..ff37a00997 100644
--- a/lib/spack/spack/test/cmd/ci.py
+++ b/lib/spack/spack/test/cmd/ci.py
@@ -748,7 +748,7 @@ def test_ci_rebuild_mock_success(
     tmpdir,
     working_env,
     mutable_mock_env_path,
-    install_mockery_mutable_config,
+    install_mockery,
     mock_gnupghome,
     mock_stage,
     mock_fetch,
@@ -782,7 +782,7 @@ def test_ci_rebuild_mock_failure_to_push(
     tmpdir,
     working_env,
     mutable_mock_env_path,
-    install_mockery_mutable_config,
+    install_mockery,
     mock_gnupghome,
     mock_stage,
     mock_fetch,
@@ -820,7 +820,7 @@ def test_ci_rebuild(
     tmpdir,
     working_env,
     mutable_mock_env_path,
-    install_mockery_mutable_config,
+    install_mockery,
     mock_packages,
     monkeypatch,
     mock_gnupghome,
@@ -1019,7 +1019,7 @@ spack:
 def test_ci_generate_mirror_override(
     tmpdir,
     mutable_mock_env_path,
-    install_mockery_mutable_config,
+    install_mockery,
     mock_packages,
     mock_fetch,
     mock_stage,
@@ -1104,7 +1104,7 @@ spack:
 def test_push_to_build_cache(
     tmpdir,
     mutable_mock_env_path,
-    install_mockery_mutable_config,
+    install_mockery,
     mock_packages,
     mock_fetch,
     mock_stage,
diff --git a/lib/spack/spack/test/cmd/install.py b/lib/spack/spack/test/cmd/install.py
index 2466d4e27f..67d49cf2c2 100644
--- a/lib/spack/spack/test/cmd/install.py
+++ b/lib/spack/spack/test/cmd/install.py
@@ -923,12 +923,7 @@ def test_cdash_configure_warning(tmpdir, mock_fetch, install_mockery, capfd):
 
 @pytest.mark.not_on_windows("ArchSpec gives test platform debian rather than windows")
 def test_compiler_bootstrap(
-    install_mockery_mutable_config,
-    mock_packages,
-    mock_fetch,
-    mock_archive,
-    mutable_config,
-    monkeypatch,
+    install_mockery, mock_packages, mock_fetch, mock_archive, mutable_config, monkeypatch
 ):
     monkeypatch.setattr(spack.concretize.Concretizer, "check_for_compiler_existence", False)
     spack.config.set("config:install_missing_compilers", True)
@@ -940,13 +935,7 @@ def test_compiler_bootstrap(
 
 @pytest.mark.not_on_windows("Binary mirrors not supported on windows")
 def test_compiler_bootstrap_from_binary_mirror(
-    install_mockery_mutable_config,
-    mock_packages,
-    mock_fetch,
-    mock_archive,
-    mutable_config,
-    monkeypatch,
-    tmpdir,
+    install_mockery, mock_packages, mock_fetch, mock_archive, mutable_config, monkeypatch, tmpdir
 ):
     """
     Make sure installing compiler from buildcache registers compiler
@@ -982,12 +971,7 @@ def test_compiler_bootstrap_from_binary_mirror(
 @pytest.mark.not_on_windows("ArchSpec gives test platform debian rather than windows")
 @pytest.mark.regression("16221")
 def test_compiler_bootstrap_already_installed(
-    install_mockery_mutable_config,
-    mock_packages,
-    mock_fetch,
-    mock_archive,
-    mutable_config,
-    monkeypatch,
+    install_mockery, mock_packages, mock_fetch, mock_archive, mutable_config, monkeypatch
 ):
     monkeypatch.setattr(spack.concretize.Concretizer, "check_for_compiler_existence", False)
     spack.config.set("config:install_missing_compilers", True)
@@ -1087,13 +1071,7 @@ def test_installation_fail_tests(install_mockery, mock_fetch, name, method):
 
 @pytest.mark.not_on_windows("Buildcache not supported on windows")
 def test_install_use_buildcache(
-    capsys,
-    mock_packages,
-    mock_fetch,
-    mock_archive,
-    mock_binary_index,
-    tmpdir,
-    install_mockery_mutable_config,
+    capsys, mock_packages, mock_fetch, mock_archive, mock_binary_index, tmpdir, install_mockery
 ):
     """
     Make sure installing with use-buildcache behaves correctly.
@@ -1166,14 +1144,14 @@ def test_install_use_buildcache(
 @pytest.mark.not_on_windows("Windows logger I/O operation on closed file when install fails")
 @pytest.mark.regression("34006")
 @pytest.mark.disable_clean_stage_check
-def test_padded_install_runtests_root(install_mockery_mutable_config, mock_fetch):
+def test_padded_install_runtests_root(install_mockery, mock_fetch):
     spack.config.set("config:install_tree:padded_length", 255)
     output = install("--test=root", "--no-cache", "test-build-callbacks", fail_on_error=False)
     assert output.count("method not implemented") == 1
 
 
 @pytest.mark.regression("35337")
-def test_report_filename_for_cdash(install_mockery_mutable_config, mock_fetch):
+def test_report_filename_for_cdash(install_mockery, mock_fetch):
     """Test that the temporary file used to write the XML for CDash is not the upload URL"""
     parser = argparse.ArgumentParser()
     spack.cmd.install.setup_parser(parser)
diff --git a/lib/spack/spack/test/cmd/mirror.py b/lib/spack/spack/test/cmd/mirror.py
index 37253074a1..c1e24a9825 100644
--- a/lib/spack/spack/test/cmd/mirror.py
+++ b/lib/spack/spack/test/cmd/mirror.py
@@ -232,13 +232,7 @@ def test_mirror_name_collision(mutable_config):
 
 
 def test_mirror_destroy(
-    install_mockery_mutable_config,
-    mock_packages,
-    mock_fetch,
-    mock_archive,
-    mutable_config,
-    monkeypatch,
-    tmpdir,
+    install_mockery, mock_packages, mock_fetch, mock_archive, mutable_config, monkeypatch, tmpdir
 ):
     # Create a temp mirror directory for buildcache usage
     mirror_dir = tmpdir.join("mirror_dir")
diff --git a/lib/spack/spack/test/cmd/test.py b/lib/spack/spack/test/cmd/test.py
index 6f72376348..24ad2e5b8a 100644
--- a/lib/spack/spack/test/cmd/test.py
+++ b/lib/spack/spack/test/cmd/test.py
@@ -48,7 +48,7 @@ def test_test_dirty_flag(arguments, expected):
 
 
 def test_test_dup_alias(
-    mock_test_stage, mock_packages, mock_archive, mock_fetch, install_mockery_mutable_config, capfd
+    mock_test_stage, mock_packages, mock_archive, mock_fetch, install_mockery, capfd
 ):
     """Ensure re-using an alias fails with suggestion to change."""
     install("libdwarf")
@@ -63,9 +63,7 @@ def test_test_dup_alias(
     assert "already exists" in out and "Try another alias" in out
 
 
-def test_test_output(
-    mock_test_stage, mock_packages, mock_archive, mock_fetch, install_mockery_mutable_config
-):
+def test_test_output(mock_test_stage, mock_packages, mock_archive, mock_fetch, install_mockery):
     """Ensure output printed from pkgs is captured by output redirection."""
     install("printing-package")
     spack_test("run", "--alias", "printpkg", "printing-package")
@@ -91,13 +89,7 @@ def test_test_output(
     "pkg_name,failure", [("test-error", "exited with status 1"), ("test-fail", "not callable")]
 )
 def test_test_output_fails(
-    mock_packages,
-    mock_archive,
-    mock_fetch,
-    install_mockery_mutable_config,
-    mock_test_stage,
-    pkg_name,
-    failure,
+    mock_packages, mock_archive, mock_fetch, install_mockery, mock_test_stage, pkg_name, failure
 ):
     """Confirm stand-alone test failure with expected outputs."""
     install(pkg_name)
@@ -111,9 +103,7 @@ def test_test_output_fails(
     assert "See test log for details" in out
 
 
-@pytest.mark.usefixtures(
-    "mock_packages", "mock_archive", "mock_fetch", "install_mockery_mutable_config"
-)
+@pytest.mark.usefixtures("mock_packages", "mock_archive", "mock_fetch", "install_mockery")
 @pytest.mark.parametrize(
     "pkg_name,msgs",
     [
@@ -147,13 +137,7 @@ def test_junit_output_with_failures(tmpdir, mock_test_stage, pkg_name, msgs):
 
 
 def test_cdash_output_test_error(
-    tmpdir,
-    mock_fetch,
-    install_mockery_mutable_config,
-    mock_packages,
-    mock_archive,
-    mock_test_stage,
-    capfd,
+    tmpdir, mock_fetch, install_mockery, mock_packages, mock_archive, mock_test_stage, capfd
 ):
     """Confirm stand-alone test error expected outputs in CDash reporting."""
     install("test-error")
@@ -173,12 +157,7 @@ def test_cdash_output_test_error(
 
 
 def test_cdash_upload_clean_test(
-    tmpdir,
-    mock_fetch,
-    install_mockery_mutable_config,
-    mock_packages,
-    mock_archive,
-    mock_test_stage,
+    tmpdir, mock_fetch, install_mockery, mock_packages, mock_archive, mock_test_stage
 ):
     install("printing-package")
     with tmpdir.as_cwd():
@@ -227,7 +206,7 @@ def test_test_list_all(mock_packages):
     )
 
 
-def test_test_list(mock_packages, mock_archive, mock_fetch, install_mockery_mutable_config):
+def test_test_list(mock_packages, mock_archive, mock_fetch, install_mockery):
     pkg_with_tests = "printing-package"
     install(pkg_with_tests)
     output = spack_test("list")
@@ -293,7 +272,7 @@ def test_test_results_status(mock_packages, mock_test_stage, status):
 
 
 @pytest.mark.regression("35337")
-def test_report_filename_for_cdash(install_mockery_mutable_config, mock_fetch):
+def test_report_filename_for_cdash(install_mockery, mock_fetch):
     """Test that the temporary file used to write Testing.xml for CDash is not the upload URL"""
     name = "trivial"
     spec = spack.spec.Spec("trivial-smoke-test").concretized()
@@ -316,7 +295,7 @@ def test_report_filename_for_cdash(install_mockery_mutable_config, mock_fetch):
 
 
 def test_test_output_multiple_specs(
-    mock_test_stage, mock_packages, mock_archive, mock_fetch, install_mockery_mutable_config
+    mock_test_stage, mock_packages, mock_archive, mock_fetch, install_mockery
 ):
     """Ensure proper reporting for suite with skipped, failing, and passed tests."""
     install("test-error", "simple-standalone-test@0.9", "simple-standalone-test@1.0")
diff --git a/lib/spack/spack/test/concretize.py b/lib/spack/spack/test/concretize.py
index 055b0ee6e5..fb261ff0d5 100644
--- a/lib/spack/spack/test/concretize.py
+++ b/lib/spack/spack/test/concretize.py
@@ -3063,9 +3063,7 @@ def test_spec_filters(specs, include, exclude, expected):
 
 @pytest.mark.only_clingo("clingo only reuse feature being tested")
 @pytest.mark.regression("38484")
-def test_git_ref_version_can_be_reused(
-    install_mockery_mutable_config, do_not_check_runtimes_on_reuse
-):
+def test_git_ref_version_can_be_reused(install_mockery, do_not_check_runtimes_on_reuse):
     first_spec = spack.spec.Spec("git-ref-package@git.2.1.5=2.1.5~opt").concretized()
     first_spec.package.do_install(fake=True, explicit=True)
 
@@ -3084,7 +3082,7 @@ def test_git_ref_version_can_be_reused(
 @pytest.mark.only_clingo("clingo only reuse feature being tested")
 @pytest.mark.parametrize("standard_version", ["2.0.0", "2.1.5", "2.1.6"])
 def test_reuse_prefers_standard_over_git_versions(
-    standard_version, install_mockery_mutable_config, do_not_check_runtimes_on_reuse
+    standard_version, install_mockery, do_not_check_runtimes_on_reuse
 ):
     """
     order matters in this test. typically reuse would pick the highest versioned installed match
diff --git a/lib/spack/spack/test/conftest.py b/lib/spack/spack/test/conftest.py
index 8c306811ce..62b257a64e 100644
--- a/lib/spack/spack/test/conftest.py
+++ b/lib/spack/spack/test/conftest.py
@@ -998,19 +998,6 @@ def temporary_store(tmpdir, request):
     temporary_store_path.remove()
 
 
-@pytest.fixture(scope="function")
-def install_mockery_mutable_config(temporary_store, mutable_config, mock_packages):
-    """Hooks a fake install directory, DB, and stage directory into Spack.
-
-    This is specifically for tests which want to use 'install_mockery' but
-    also need to modify configuration (and hence would want to use
-    'mutable config'): 'install_mockery' does not support this.
-    """
-    # We use a fake package, so temporarily disable checksumming
-    with spack.config.override("config:checksum", False):
-        yield
-
-
 @pytest.fixture()
 def mock_fetch(mock_archive, monkeypatch):
     """Fake the URL for a package so it downloads from a file."""
diff --git a/lib/spack/spack/test/package_class.py b/lib/spack/spack/test/package_class.py
index 915a53400d..f3426e23ce 100644
--- a/lib/spack/spack/test/package_class.py
+++ b/lib/spack/spack/test/package_class.py
@@ -293,7 +293,7 @@ def test_package_test_no_compilers(mock_packages, monkeypatch, capfd):
     ],
 )
 def test_package_run_test_install(
-    install_mockery_mutable_config, mock_fetch, capfd, msg, installed, purpose, expected
+    install_mockery, mock_fetch, capfd, msg, installed, purpose, expected
 ):
     """Confirm expected outputs from run_test for installed/not installed exe."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
@@ -314,9 +314,7 @@ def test_package_run_test_install(
         (False, 1, str(spack.install_test.TestStatus.FAILED)),
     ],
 )
-def test_package_run_test_missing(
-    install_mockery_mutable_config, mock_fetch, capfd, skip, failures, status
-):
+def test_package_run_test_missing(install_mockery, mock_fetch, capfd, skip, failures, status):
     """Confirm expected results from run_test for missing exe when skip or not."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
     pkg = s.package
@@ -328,7 +326,7 @@ def test_package_run_test_missing(
 
 
 # TODO (post-34236): Remove when remove deprecated run_test(), etc.
-def test_package_run_test_fail_fast(install_mockery_mutable_config, mock_fetch):
+def test_package_run_test_fail_fast(install_mockery, mock_fetch):
     """Confirm expected exception when run_test with fail_fast enabled."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
     pkg = s.package
diff --git a/lib/spack/spack/test/test_suite.py b/lib/spack/spack/test/test_suite.py
index 6af98b6f2f..200709587d 100644
--- a/lib/spack/spack/test/test_suite.py
+++ b/lib/spack/spack/test/test_suite.py
@@ -291,7 +291,7 @@ def test_process_test_parts(mock_packages):
     assert "test suite is missing" in str(exc_info)
 
 
-def test_test_part_fail(tmpdir, install_mockery_mutable_config, mock_fetch, mock_test_stage):
+def test_test_part_fail(tmpdir, install_mockery, mock_fetch, mock_test_stage):
     """Confirm test_part with a ProcessError results in FAILED status."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
     pkg = s.package
@@ -307,7 +307,7 @@ def test_test_part_fail(tmpdir, install_mockery_mutable_config, mock_fetch, mock
         assert status == TestStatus.FAILED
 
 
-def test_test_part_pass(install_mockery_mutable_config, mock_fetch, mock_test_stage):
+def test_test_part_pass(install_mockery, mock_fetch, mock_test_stage):
     """Confirm test_part that succeeds results in PASSED status."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
     pkg = s.package
@@ -323,7 +323,7 @@ def test_test_part_pass(install_mockery_mutable_config, mock_fetch, mock_test_st
         assert status == TestStatus.PASSED
 
 
-def test_test_part_skip(install_mockery_mutable_config, mock_fetch, mock_test_stage):
+def test_test_part_skip(install_mockery, mock_fetch, mock_test_stage):
     """Confirm test_part that raises SkipTest results in test status SKIPPED."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
     pkg = s.package
@@ -337,9 +337,7 @@ def test_test_part_skip(install_mockery_mutable_config, mock_fetch, mock_test_st
         assert status == TestStatus.SKIPPED
 
 
-def test_test_part_missing_exe_fail_fast(
-    tmpdir, install_mockery_mutable_config, mock_fetch, mock_test_stage
-):
+def test_test_part_missing_exe_fail_fast(tmpdir, install_mockery, mock_fetch, mock_test_stage):
     """Confirm test_part with fail fast enabled raises exception."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
     pkg = s.package
@@ -360,9 +358,7 @@ def test_test_part_missing_exe_fail_fast(
         assert status == TestStatus.FAILED
 
 
-def test_test_part_missing_exe(
-    tmpdir, install_mockery_mutable_config, mock_fetch, mock_test_stage
-):
+def test_test_part_missing_exe(tmpdir, install_mockery, mock_fetch, mock_test_stage):
     """Confirm test_part with missing executable fails."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
     pkg = s.package
@@ -396,7 +392,7 @@ def test_test_part_missing_exe(
     ],
 )
 def test_embedded_test_part_status(
-    install_mockery_mutable_config, mock_fetch, mock_test_stage, current, substatuses, expected
+    install_mockery, mock_fetch, mock_test_stage, current, substatuses, expected
 ):
     """Check to ensure the status of the enclosing test part reflects summary of embedded parts."""
 
@@ -424,7 +420,7 @@ def test_embedded_test_part_status(
     ],
 )
 def test_write_tested_status(
-    tmpdir, install_mockery_mutable_config, mock_fetch, mock_test_stage, statuses, expected
+    tmpdir, install_mockery, mock_fetch, mock_test_stage, statuses, expected
 ):
     """Check to ensure the status of the enclosing test part reflects summary of embedded parts."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
@@ -441,9 +437,7 @@ def test_write_tested_status(
 
 
 @pytest.mark.regression("37840")
-def test_write_tested_status_no_repeats(
-    tmpdir, install_mockery_mutable_config, mock_fetch, mock_test_stage
-):
+def test_write_tested_status_no_repeats(tmpdir, install_mockery, mock_fetch, mock_test_stage):
     """Emulate re-running the same stand-alone tests a second time."""
     s = spack.spec.Spec("trivial-smoke-test").concretized()
     pkg = s.package