Forward lookup of "test_log_file" and "test_failures" (#34882)

* Forward lookup of "test_log_file" and "test_failures"
  refers #34531
  closes #34487
  fixes #34440
* Add unit test
* py-libensemble: fix tests
* Support stand-alone tests with cached files as install-time tests

Co-authored-by: Tamara Dahlgren <dahlgren1@llnl.gov>

4 files changed, 69 insertions, 22 deletions

diff --git a/lib/spack/spack/builder.py b/lib/spack/spack/builder.py
index 211d7e218e..80c64d1dec 100644
--- a/lib/spack/spack/builder.py
+++ b/lib/spack/spack/builder.py
@@ -128,7 +128,12 @@ def _create(pkg):
             new_cls = type(
                 new_cls_name,
                 bases,
-                {"run_tests": property(lambda x: x.wrapped_package_object.run_tests)},
+                {
+                    "run_tests": property(lambda x: x.wrapped_package_object.run_tests),
+                    "test_log_file": property(lambda x: x.wrapped_package_object.test_log_file),
+                    "test_failures": property(lambda x: x.wrapped_package_object.test_failures),
+                    "test_suite": property(lambda x: x.wrapped_package_object.test_suite),
+                },
             )
             new_cls.__module__ = package_cls.__module__
             self.__class__ = new_cls
diff --git a/lib/spack/spack/install_test.py b/lib/spack/spack/install_test.py
index 24764a28c9..eda96e85e1 100644
--- a/lib/spack/spack/install_test.py
+++ b/lib/spack/spack/install_test.py
@@ -13,9 +13,9 @@ import llnl.util.tty as tty
 
 import spack.error
 import spack.paths
-import spack.util.prefix
 import spack.util.spack_json as sjson
 from spack.spec import Spec
+from spack.util.prefix import Prefix
 
 test_suite_filename = "test_suite.lock"
 results_filename = "results.txt"
@@ -145,6 +145,7 @@ class TestSuite(object):
 
         self.alias = alias
         self._hash = None
+        self._stage = None
 
         self.fails = 0
 
@@ -247,8 +248,19 @@ class TestSuite(object):
 
     @property
     def stage(self):
-        """The root test suite stage directory."""
-        return spack.util.prefix.Prefix(os.path.join(get_test_stage_dir(), self.content_hash))
+        """The root test suite stage directory.
+
+        Returns:
+            str: the spec's test stage directory path
+        """
+        if not self._stage:
+            self._stage = Prefix(fs.join_path(get_test_stage_dir(), self.content_hash))
+        return self._stage
+
+    @stage.setter
+    def stage(self, value):
+        """Set the value of a non-default stage directory."""
+        self._stage = value if isinstance(value, Prefix) else Prefix(value)
 
     @property
     def results_file(self):
@@ -299,7 +311,7 @@ class TestSuite(object):
         Returns:
             str: the spec's test stage directory path
         """
-        return self.stage.join(self.test_pkg_id(spec))
+        return Prefix(self.stage.join(self.test_pkg_id(spec)))
 
     @classmethod
     def tested_file_name(cls, spec):
@@ -322,7 +334,7 @@ class TestSuite(object):
         Returns:
             str: the spec's test status file path
         """
-        return self.stage.join(self.tested_file_name(spec))
+        return fs.join_path(self.stage, self.tested_file_name(spec))
 
     @property
     def current_test_cache_dir(self):
diff --git a/lib/spack/spack/package_base.py b/lib/spack/spack/package_base.py
index fe1effde99..66ee435ccd 100644
--- a/lib/spack/spack/package_base.py
+++ b/lib/spack/spack/package_base.py
@@ -651,10 +651,12 @@ class PackageBase(WindowsRPath, PackageViewMixin, metaclass=PackageMeta):
     #: List of test failures encountered during a smoke/install test run.
     test_failures = None
 
-    #: TestSuite instance used to manage smoke/install tests for one or more
-    #: specs.
+    #: TestSuite instance used to manage smoke/install tests for one or more specs.
     test_suite = None
 
+    #: Path to the log file used for tests
+    test_log_file = None
+
     def __init__(self, spec):
         # this determines how the package should be built.
         self.spec = spec
@@ -1884,7 +1886,10 @@ class PackageBase(WindowsRPath, PackageViewMixin, metaclass=PackageMeta):
             pkg_id = self.test_suite.test_pkg_id(self.spec)
         else:
             self.test_log_file = fsys.join_path(self.stage.path, _spack_install_test_log)
+            self.test_suite = TestSuite([self.spec])
+            self.test_suite.stage = self.stage.path
             pkg_id = self.spec.format("{name}-{version}-{hash:7}")
+
         fsys.touch(self.test_log_file)  # Otherwise log_parse complains
 
         with tty.log.log_output(self.test_log_file, verbose) as logger:
@@ -2441,6 +2446,11 @@ class PackageBase(WindowsRPath, PackageViewMixin, metaclass=PackageMeta):
         with builder.pkg._setup_test(verbose=False, externals=False) as logger:
             # Report running each of the methods in the build log
             print_test_message(logger, "Running {0}-time tests".format(callback_type), True)
+            builder.pkg.test_suite.current_test_spec = builder.pkg.spec
+            builder.pkg.test_suite.current_base_spec = builder.pkg.spec
+
+            if "test" in method_names:
+                _copy_cached_test_files(builder.pkg, builder.pkg.spec)
 
             for name in method_names:
                 try:
@@ -2489,6 +2499,25 @@ def print_test_message(logger, msg, verbose):
         tty.msg(msg)
 
 
+def _copy_cached_test_files(pkg, spec):
+    """Copy any cached stand-alone test-related files."""
+
+    # copy installed test sources cache into test cache dir
+    if spec.concrete:
+        cache_source = spec.package.install_test_root
+        cache_dir = pkg.test_suite.current_test_cache_dir
+        if os.path.isdir(cache_source) and not os.path.exists(cache_dir):
+            fsys.install_tree(cache_source, cache_dir)
+
+    # copy test data into test data dir
+    data_source = Prefix(spec.package.package_dir).test
+    data_dir = pkg.test_suite.current_test_data_dir
+    if os.path.isdir(data_source) and not os.path.exists(data_dir):
+        # We assume data dir is used read-only
+        # maybe enforce this later
+        shutil.copytree(data_source, data_dir)
+
+
 def test_process(pkg, kwargs):
     verbose = kwargs.get("verbose", False)
     externals = kwargs.get("externals", False)
@@ -2527,20 +2556,7 @@ def test_process(pkg, kwargs):
                     except spack.repo.UnknownPackageError:
                         continue
 
-                    # copy installed test sources cache into test cache dir
-                    if spec.concrete:
-                        cache_source = spec_pkg.install_test_root
-                        cache_dir = pkg.test_suite.current_test_cache_dir
-                        if os.path.isdir(cache_source) and not os.path.exists(cache_dir):
-                            fsys.install_tree(cache_source, cache_dir)
-
-                    # copy test data into test data dir
-                    data_source = Prefix(spec_pkg.package_dir).test
-                    data_dir = pkg.test_suite.current_test_data_dir
-                    if os.path.isdir(data_source) and not os.path.exists(data_dir):
-                        # We assume data dir is used read-only
-                        # maybe enforce this later
-                        shutil.copytree(data_source, data_dir)
+                    _copy_cached_test_files(pkg, spec)
 
                     # grab the function for each method so we can call
                     # it with the package
diff --git a/lib/spack/spack/test/builder.py b/lib/spack/spack/test/builder.py
index a3af33b773..8f959519e3 100644
--- a/lib/spack/spack/test/builder.py
+++ b/lib/spack/spack/test/builder.py
@@ -154,3 +154,17 @@ def test_monkey_patching_wrapped_pkg():
     s.package.run_tests = True
     assert builder.pkg.run_tests is True
     assert builder.pkg_with_dispatcher.run_tests is True
+
+
+@pytest.mark.regression("34440")
+@pytest.mark.usefixtures("builder_test_repository", "config", "working_env")
+def test_monkey_patching_test_log_file():
+    s = spack.spec.Spec("old-style-autotools").concretized()
+    builder = spack.builder.create(s.package)
+    assert s.package.test_log_file is None
+    assert builder.pkg.test_log_file is None
+    assert builder.pkg_with_dispatcher.test_log_file is None
+
+    s.package.test_log_file = "/some/file"
+    assert builder.pkg.test_log_file == "/some/file"
+    assert builder.pkg_with_dispatcher.test_log_file == "/some/file"