Remove CombinatorialSpecSet in favor of environments + stacks

10 files changed, 83 insertions, 721 deletions

diff --git a/etc/spack/defaults/release.yaml b/etc/spack/defaults/release.yaml
deleted file mode 100644
index 18f5f905a7..0000000000
--- a/etc/spack/defaults/release.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-# -------------------------------------------------------------------------
-# This is the default spack release spec set.
-# -------------------------------------------------------------------------
-spec-set:
-    include: []
-    exclude: []
-    matrix:
-        - packages:
-            xsdk:
-                versions: [0.4.0]
-        - compilers:
-            gcc:
-                versions: [5.5.0]
-            clang:
-                versions: [6.0.0, '6.0.0-1ubuntu2']
-    cdash: ["https://spack.io/cdash/submit.php?project=spack"]
diff --git a/lib/spack/docs/example_files/spec_set.yaml b/lib/spack/docs/example_files/spec_set.yaml
deleted file mode 100644
index cf5c5e7d1d..0000000000
--- a/lib/spack/docs/example_files/spec_set.yaml
+++ /dev/null
@@ -1,21 +0,0 @@
-spec-set:
-    include: [ ape, atompaw, transset]
-    exclude: [binutils,tk]
-    packages:
-        ape:
-            versions: [2.2.1]
-        atompaw:
-            versions: [3.1.0.3, 4.0.0.13]
-        binutils:
-            versions: [2.20.1, 2.25, 2.23.2, 2.24, 2.27, 2.26]
-        tk:
-            versions: [8.6.5, 8.6.3]
-        transset:
-            versions: [1.0.1]
-    compilers:
-        gcc:
-            versions: [4.9, 4.8, 4.7]
-        clang:
-            versions: [3.5, 3.6]
-
-    dashboard: ["https://spack.io/cdash/submit.php?project=spack"]
diff --git a/lib/spack/spack/cmd/buildcache.py b/lib/spack/spack/cmd/buildcache.py
index c6c97ddfc7..6a9f038d07 100644
--- a/lib/spack/spack/cmd/buildcache.py
+++ b/lib/spack/spack/cmd/buildcache.py
@@ -20,11 +20,8 @@ import spack.store
 import spack.config
 import spack.repo
 import spack.store
-
 from spack.error import SpecError
-from spack.paths import etc_path
 from spack.spec import Spec, save_dependency_spec_yamls
-from spack.spec_set import CombinatorialSpecSet
 
 from spack.cmd import display_specs
 
@@ -417,10 +414,9 @@ def check_binaries(args):
     if args.spec or args.spec_yaml:
         specs = [get_concrete_spec(args)]
     else:
-        release_specs_path = os.path.join(
-            etc_path, 'spack', 'defaults', 'release.yaml')
-        spec_set = CombinatorialSpecSet.from_file(release_specs_path)
-        specs = [spec for spec in spec_set]
+        env = ev.get_env(args, 'buildcache', required=True)
+        env.concretize()
+        specs = env.all_specs()
 
     if not specs:
         tty.msg('No specs provided, exiting.')
diff --git a/lib/spack/spack/cmd/release_jobs.py b/lib/spack/spack/cmd/release_jobs.py
index e982c76562..3ec85ea960 100644
--- a/lib/spack/spack/cmd/release_jobs.py
+++ b/lib/spack/spack/cmd/release_jobs.py
@@ -4,17 +4,18 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 import json
-import sys
 
 from jsonschema import validate, ValidationError
 from six import iteritems
-from six.moves.urllib.request import build_opener, HTTPHandler, Request
+from six.moves.urllib.error import HTTPError, URLError
 from six.moves.urllib.parse import urlencode
+from six.moves.urllib.request import build_opener, HTTPHandler, Request
 
 import llnl.util.tty as tty
 
 import spack.environment as ev
 from spack.dependency import all_deptypes
+from spack.error import SpackError
 from spack.spec import Spec
 from spack.schema.specs_deps import schema as specs_deps_schema
 import spack.util.spack_yaml as syaml
@@ -42,7 +43,7 @@ def setup_parser(subparser):
         help="Print summary of staged jobs to standard output")
 
     subparser.add_argument(
-        '-c', '--cdash-credentials', default=None,
+        '--cdash-credentials', default=None,
         help="Path to file containing CDash authentication token")
 
 
@@ -59,9 +60,9 @@ def _create_buildgroup(opener, headers, url, project, group_name, group_type):
     response_code = response.getcode()
 
     if response_code != 200 and response_code != 201:
-        print('Creating buildgroup failed (response code = {0}'.format(
-            response_code))
-        return None
+        msg = 'Creating buildgroup failed (response code = {0}'.format(
+            response_code)
+        raise SpackError(msg)
 
     response_text = response.read()
     response_json = json.loads(response_text)
@@ -71,7 +72,7 @@ def _create_buildgroup(opener, headers, url, project, group_name, group_type):
 
 
 def populate_buildgroup(job_names, group_name, project, site,
-                        credentials, cdash_url, exit_on_fail=False):
+                        credentials, cdash_url):
     url = "{0}/api/v1/buildgroup.php".format(cdash_url)
 
     headers = {
@@ -88,8 +89,9 @@ def populate_buildgroup(job_names, group_name, project, site,
         'Latest')
 
     if not parent_group_id or not group_id:
-        print('Unable to create or retrieve the build groups')
-        sys.exit(1)
+        msg = 'Failed to create or retrieve buildgroups for {0}'.format(
+            group_name)
+        raise SpackError(msg)
 
     data = {
         'project': project,
@@ -107,10 +109,10 @@ def populate_buildgroup(job_names, group_name, project, site,
     response = opener.open(request)
     response_code = response.getcode()
 
-    if response_code != 200 and exit_on_fail:
-        print('Unexpected response ({0}) when populating buildgroup'.format(
-            response_code))
-        sys.exit(1)
+    if response_code != 200:
+        msg = 'Error response code ({0}) in populate_buildgroup'.format(
+            response_code)
+        raise SpackError(msg)
 
 
 def get_job_name(spec, osarch, build_group):
@@ -173,24 +175,12 @@ def get_spec_dependencies(specs, deps, spec_labels):
 
 
 def stage_spec_jobs(specs):
-    """Take a set of release specs along with a dictionary describing the
-        available docker containers and what compilers they have, and generate
-        a list of "stages", where the jobs in any stage are dependent only on
-        jobs in previous stages.  This allows us to maximize build parallelism
-        within the gitlab-ci framework.
+    """Take a set of release specs and generate a list of "stages", where the
+        jobs in any stage are dependent only on jobs in previous stages.  This
+        allows us to maximize build parallelism within the gitlab-ci framework.
 
     Arguments:
-        spec_set (CombinatorialSpecSet): Iterable containing all the specs
-            to build.
-        containers (dict): Describes the docker containers available to use
-            for concretizing specs (and also for the gitlab runners to use
-            for building packages).  The schema can be found at
-            "lib/spack/spack/schema/os_container_mapping.py"
-        current_system (string): If provided, this indicates not to use the
-            containers for concretizing the release specs, but rather just
-            assume the current system is in the "containers" dictionary.  A
-            SpackError will be raised if the current system is not in that
-            dictionary.
+        specs (Iterable): Specs to build
 
     Returns: A tuple of information objects describing the specs, dependencies
         and stages:
@@ -391,6 +381,8 @@ def release_jobs(parser, args):
     env = ev.get_env(args, 'release-jobs', required=True)
     env.concretize(force=args.force)
 
+    # FIXME: What's the difference between one that opens with 'spack'
+    # and one that opens with 'env'?  This will only handle the former.
     yaml_root = env.yaml['spack']
 
     if 'gitlab-ci' not in yaml_root:
@@ -514,8 +506,11 @@ def release_jobs(parser, args):
 
     # Use "all_job_names" to populate the build group for this set
     if cdash_auth_token:
-        populate_buildgroup(all_job_names, build_group, cdash_project,
-                            cdash_site, cdash_auth_token, cdash_url)
+        try:
+            populate_buildgroup(all_job_names, build_group, cdash_project,
+                                cdash_site, cdash_auth_token, cdash_url)
+        except (SpackError, HTTPError, URLError) as err:
+            tty.warn('Problem populating buildgroup: {0}'.format(err))
     else:
         tty.warn('Unable to populate buildgroup without CDash credentials')
 
diff --git a/lib/spack/spack/schema/cdash.py b/lib/spack/spack/schema/cdash.py
index f83a5284aa..14a24c5f41 100644
--- a/lib/spack/spack/schema/cdash.py
+++ b/lib/spack/spack/schema/cdash.py
@@ -14,7 +14,6 @@
 properties = {
     'cdash': {
         'type': 'object',
-        'default': {},
         'additionalProperties': False,
         'required': ['build-group', 'url', 'project', 'site'],
         'patternProperties': {
diff --git a/lib/spack/spack/schema/gitlab_ci.py b/lib/spack/spack/schema/gitlab_ci.py
index 97a8dcf2e6..0765d311f4 100644
--- a/lib/spack/spack/schema/gitlab_ci.py
+++ b/lib/spack/spack/schema/gitlab_ci.py
@@ -14,7 +14,6 @@
 properties = {
     'gitlab-ci': {
         'type': 'object',
-        'default': {},
         'additionalProperties': False,
         'required': ['mappings'],
         'patternProperties': {
@@ -25,7 +24,6 @@ properties = {
                 'patternProperties': {
                     r'[\w\d\-_\.]+': {
                         'type': 'object',
-                        'default': {},
                         'additionalProperties': False,
                         'required': ['match', 'runner-attributes'],
                         'properties': {
@@ -38,7 +36,6 @@ properties = {
                             },
                             'runner-attributes': {
                                 'type': 'object',
-                                'default': {},
                                 'additionalProperties': True,
                                 'required': ['tags'],
                                 'properties': {
diff --git a/lib/spack/spack/schema/spec_set.py b/lib/spack/spack/schema/spec_set.py
deleted file mode 100644
index 94ff6eec20..0000000000
--- a/lib/spack/spack/schema/spec_set.py
+++ /dev/null
@@ -1,111 +0,0 @@
-# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
-#
-# SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-"""Schema for Spack spec-set configuration file.
-
-.. literalinclude:: _spack_root/lib/spack/spack/schema/spec_set.py
-   :lines: 32-
-"""
-
-
-schema = {
-    '$schema': 'http://json-schema.org/schema#',
-    'title': 'Spack test configuration file schema',
-    'definitions': {
-        # used for include/exclude
-        'list_of_specs': {
-            'type': 'array',
-            'items': {'type': 'string'}
-        },
-        # used for compilers and for packages
-        'objects_with_version_list': {
-            'type': 'object',
-            'additionalProperties': False,
-            'patternProperties': {
-                r'\w[\w-]*': {
-                    'type': 'object',
-                    'additionalProperties': False,
-                    'required': ['versions'],
-                    'properties': {
-                        'versions': {
-                            'type': 'array',
-                            'items': {
-                                'oneOf': [
-                                    {'type': 'string'},
-                                    {'type': 'number'},
-                                ],
-                            },
-                        },
-                    },
-                },
-            },
-        },
-        'packages': {
-            'type': 'object',
-            'additionalProperties': False,
-            'properties': {
-                'packages': {
-                    '$ref': '#/definitions/objects_with_version_list'
-                },
-            }
-        },
-        'compilers': {
-            'type': 'object',
-            'additionalProperties': False,
-            'properties': {
-                'compilers': {
-                    '$ref': '#/definitions/objects_with_version_list'
-                },
-            }
-        },
-        'specs': {
-            'type': 'object',
-            'additionalProperties': False,
-            'properties': {
-                'specs': {'$ref': '#/definitions/list_of_specs'},
-            }
-        },
-    },
-    # this is the actual top level object
-    'type': 'object',
-    'additionalProperties': False,
-    'properties': {
-        'spec-set': {
-            'type': 'object',
-            'additionalProperties': False,
-            'required': ['matrix'],
-            'properties': {
-                # top-level settings are keys and need to be unique
-                'include': {'$ref': '#/definitions/list_of_specs'},
-                'exclude': {'$ref': '#/definitions/list_of_specs'},
-                'cdash': {
-                    'oneOf': [
-                        {'type': 'string'},
-                        {
-                            'type': 'array',
-                            'items': {'type': 'string'}
-                        },
-                    ],
-                },
-                'project': {
-                    'type': 'string',
-                },
-                # things under matrix (packages, compilers, etc.)  are a
-                # list so that we can potentiall have multiple of them.
-                'matrix': {
-                    'type': 'array',
-                    'items': {
-                        'type': 'object',
-                        'oneOf': [
-                            {'$ref': '#/definitions/specs'},
-                            {'$ref': '#/definitions/packages'},
-                            {'$ref': '#/definitions/compilers'},
-                        ],
-                    },
-                },
-            },
-        },
-    },
-}
diff --git a/lib/spack/spack/spec_set.py b/lib/spack/spack/spec_set.py
deleted file mode 100644
index bc38fc04ac..0000000000
--- a/lib/spack/spack/spec_set.py
+++ /dev/null
@@ -1,188 +0,0 @@
-# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
-#
-# SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-import itertools
-from jsonschema import validate
-
-import llnl.util.tty as tty
-from llnl.util.tty.colify import colify
-
-import spack
-import spack.compilers
-import spack.architecture as sarch
-import spack.schema.spec_set as spec_set_schema
-import spack.util.spack_yaml as syaml
-
-from spack.error import SpackError
-from spack.spec import Spec, ArchSpec
-
-
-class CombinatorialSpecSet:
-    """Set of combinatorial Specs constructed from YAML file."""
-
-    def __init__(self, yaml_like, ignore_invalid=True):
-        """Construct a combinatorial Spec set.
-
-        Args:
-            yaml_like: either raw YAML data as a dict, a file-like object
-                to read the YAML from, or a string containing YAML.  In the
-                first case, we assume already-parsed YAML data.  In the second
-                two cases, we just run yaml.load() on the data.
-            ignore_invalid (bool): whether to ignore invalid specs when
-                expanding the values of this spec set.
-        """
-        self.ignore_invalid = ignore_invalid
-
-        if isinstance(yaml_like, dict):
-            # if it's raw data, just assign it to self.data
-            self.data = yaml_like
-        else:
-            # otherwise try to load it.
-            self.data = syaml.load(yaml_like)
-
-        # validate against the spec set schema
-        validate(self.data, spec_set_schema.schema)
-
-        # chop off the initial spec-set label after valiation.
-        self.data = self.data['spec-set']
-
-        # initialize these from data.
-        self.cdash = self.data.get('cdash', None)
-        if isinstance(self.cdash, str):
-            self.cdash = [self.cdash]
-        self.project = self.data.get('project', None)
-
-        # _spec_lists is a list of lists of specs, to be combined as a
-        # cartesian product when we iterate over all specs in the set.
-        # it's initialized lazily.
-        self._spec_lists = None
-        self._include = []
-        self._exclude = []
-
-    @staticmethod
-    def from_file(path):
-        try:
-            with open(path, 'r') as fin:
-                specs_yaml = syaml.load(fin.read())
-
-                # For now, turn off ignoring invalid specs, as it prevents
-                # iteration if the specified compilers can't be found.
-                return CombinatorialSpecSet(specs_yaml, ignore_invalid=False)
-        except Exception as e:
-            emsg = e.message
-            if not emsg:
-                emsg = e.problem
-            msg = ('Unable to create CombinatorialSpecSet from file ({0})'
-                   ' due to {1}'.format(path, emsg))
-            raise SpackError(msg)
-
-    def all_package_versions(self):
-        """Get package/version combinations for all spack packages."""
-        for name in spack.repo.all_package_names():
-            pkg = spack.repo.get(name)
-            for v in pkg.versions:
-                yield Spec('{0}@{1}'.format(name, v))
-
-    def _specs(self, data):
-        """Read a list of specs from YAML data"""
-        return [Spec(s) for s in data]
-
-    def _compiler_specs(self, data):
-        """Read compiler specs from YAML data.
-        Example YAML:
-            gcc:
-                versions: [4.4.8, 4.9.3]
-            clang:
-                versions: [3.6.1, 3.7.2, 3.8]
-
-        Optionally, data can be 'all', in which case all compilers for
-        the current platform are returned.
-        """
-        # get usable compilers for current platform.
-        arch = ArchSpec(str(sarch.platform()), 'default_os', 'default_target')
-        available_compilers = [
-            c.spec for c in spack.compilers.compilers_for_arch(arch)]
-
-        # return compilers for this platform if asked for everything.
-        if data == 'all':
-            return [cspec.copy() for cspec in available_compilers]
-
-        # otherwise create specs from the YAML file.
-        cspecs = set([
-            Spec('%{0}@{1}'.format(compiler, version))
-            for compiler in data for version in data[compiler]['versions']])
-
-        # filter out invalid specs if caller said to ignore them.
-        if self.ignore_invalid:
-            missing = [c for c in cspecs if not any(
-                c.compiler.satisfies(comp) for comp in available_compilers)]
-            tty.warn("The following compilers were unavailable:")
-            colify(sorted(m.compiler for m in missing))
-            cspecs -= set(missing)
-
-        return cspecs
-
-    def _package_specs(self, data):
-        """Read package/version specs from YAML data.
-        Example YAML:
-            gmake:
-                versions: [4.0, 4.1, 4.2]
-            qt:
-                versions: [4.8.6, 5.2.1, 5.7.1]
-
-        Optionally, data can be 'all', in which case all packages and
-        versions from the package repository are returned.
-        """
-        if data == 'all':
-            return set(self.all_package_versions())
-
-        return set([
-            Spec('{0}@{1}'.format(name, version))
-            for name in data for version in data[name]['versions']])
-
-    def _get_specs(self, matrix_dict):
-        """Parse specs out of an element in the build matrix."""
-        readers = {
-            'packages': self._package_specs,
-            'compilers': self._compiler_specs,
-            'specs': self._specs
-        }
-
-        key = next(iter(matrix_dict), None)
-        assert key in readers
-        return readers[key](matrix_dict[key])
-
-    def __iter__(self):
-        # read in data from YAML file lazily.
-        if self._spec_lists is None:
-            self._spec_lists = [self._get_specs(spec_list)
-                                for spec_list in self.data['matrix']]
-
-            if 'include' in self.data:
-                self._include = [Spec(s) for s in self.data['include']]
-            if 'exclude' in self.data:
-                self._exclude = [Spec(s) for s in self.data['exclude']]
-
-        for spec_list in itertools.product(*self._spec_lists):
-            # if there is an empty array in spec_lists, we'll get this.
-            if not spec_list:
-                yield spec_list
-                continue
-
-            # merge all the constraints in spec_list with each other
-            spec = spec_list[0].copy()
-            for s in spec_list[1:]:
-                spec.constrain(s)
-
-            # test each spec for include/exclude
-            if (self._include and
-                not any(spec.satisfies(s) for s in self._include)):
-                continue
-
-            if any(spec.satisfies(s) for s in self._exclude):
-                continue
-
-            # we now know we can include this spec in the set
-            yield spec
diff --git a/lib/spack/spack/test/cmd/release_jobs.py b/lib/spack/spack/test/cmd/release_jobs.py
index 7768b7d8c1..5197bfef22 100644
--- a/lib/spack/spack/test/cmd/release_jobs.py
+++ b/lib/spack/spack/test/cmd/release_jobs.py
@@ -3,37 +3,27 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
-import json
-
-from jsonschema import validate
+import os
+import pytest
 
+import spack
+import spack.environment as ev
 from spack import repo
-from spack.architecture import sys_type
 from spack.cmd.release_jobs import stage_spec_jobs, spec_deps_key_label
 from spack.main import SpackCommand
-from spack.schema.specs_deps import schema as specs_deps_schema
 from spack.spec import Spec
 from spack.test.conftest import MockPackage, MockPackageMultiRepo
 
 
+env = SpackCommand('env')
 release_jobs = SpackCommand('release-jobs')
 
 
-def test_specs_deps(tmpdir, config):
-    """If we ask for the specs dependencies to be written to disk, then make
-    sure we get a file of the correct format."""
-
-    output_path = str(tmpdir.mkdir('json').join('spec_deps.json'))
-    release_jobs('--specs-deps-output', output_path, 'readline')
-
-    deps_object = None
-
-    with open(output_path, 'r') as fd:
-        deps_object = json.loads(fd.read())
-
-    assert (deps_object is not None)
-
-    validate(deps_object, specs_deps_schema)
+@pytest.fixture()
+def env_deactivate():
+    yield
+    spack.environment._active_environment = None
+    os.environ.pop('SPACK_ENV', None)
 
 
 def test_specs_staging(config):
@@ -52,25 +42,6 @@ In this case, we would expect 'c', 'e', 'f', and 'g' to be in the first stage,
 and then 'd', 'b', and 'a' to be put in the next three stages, respectively.
 
 """
-    current_system = sys_type()
-
-    config_compilers = config.get_config('compilers')
-    first_compiler = config_compilers[0]
-    compiler_spec = first_compiler['compiler']['spec']
-
-    # Whatever that first compiler in the configuration was, let's make sure
-    # we mock up an entry like we'd find in os-container-mapping.yaml which
-    # has that compiler.
-    mock_containers = {}
-    mock_containers[current_system] = {
-        "image": "dontcare",
-        "compilers": [
-            {
-                "name": compiler_spec,
-            }
-        ],
-    }
-
     default = ('build', 'link')
 
     g = MockPackage('g', [], [])
@@ -84,9 +55,7 @@ and then 'd', 'b', and 'a' to be put in the next three stages, respectively.
     mock_repo = MockPackageMultiRepo([a, b, c, d, e, f, g])
 
     with repo.swap(mock_repo):
-        # Now we'll ask for the root package to be compiled with whatever that
-        # first compiler in the configuration was.
-        spec_a = Spec('a%{0}'.format(compiler_spec))
+        spec_a = Spec('a')
         spec_a.concretize()
 
         spec_a_label = spec_deps_key_label(spec_a)[1]
@@ -97,8 +66,7 @@ and then 'd', 'b', and 'a' to be put in the next three stages, respectively.
         spec_f_label = spec_deps_key_label(spec_a['f'])[1]
         spec_g_label = spec_deps_key_label(spec_a['g'])[1]
 
-        spec_labels, dependencies, stages = stage_spec_jobs(
-            [spec_a], mock_containers, current_system)
+        spec_labels, dependencies, stages = stage_spec_jobs([spec_a])
 
         assert (len(stages) == 4)
 
@@ -116,3 +84,45 @@ and then 'd', 'b', and 'a' to be put in the next three stages, respectively.
 
         assert (len(stages[3]) == 1)
         assert (spec_a_label in stages[3])
+
+
+def test_release_jobs_with_env(tmpdir, mutable_mock_env_path, env_deactivate,
+                               install_mockery, mock_packages):
+    """Make sure we can get a .gitlab-ci.yml from an environment file
+    which has the gitlab-ci, cdash, and mirrors sections."""
+    filename = str(tmpdir.join('spack.yaml'))
+    with open(filename, 'w') as f:
+        f.write("""\
+spack:
+  definitions:
+    - packages: [archive-files]
+  specs:
+    - $packages
+  mirrors:
+    some-mirror: https://my.fake.mirror
+  gitlab-ci:
+    mappings:
+      - some-runner-mapping:
+        match:
+          - archive-files
+        runner-attributes:
+          tags:
+            - donotcare
+          image: donotcare
+  cdash:
+    build-group: Not important
+    url: https://my.fake.cdash
+    project: Not used
+    site: Nothing
+""")
+    with tmpdir.as_cwd():
+        env('create', 'test', './spack.yaml')
+        outputfile = str(tmpdir.join('.gitlab-ci.yml'))
+
+        with ev.read('test'):
+            release_jobs('--output-file', outputfile)
+
+        with open(outputfile) as f:
+            contents = f.read()
+            assert('archive-files' in contents)
+            assert('stages: [stage-0' in contents)
diff --git a/lib/spack/spack/test/spec_set.py b/lib/spack/spack/test/spec_set.py
deleted file mode 100644
index 6bb9e98277..0000000000
--- a/lib/spack/spack/test/spec_set.py
+++ /dev/null
@@ -1,299 +0,0 @@
-# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
-#
-# SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-import pytest
-
-from spack.spec import Spec
-from jsonschema import ValidationError
-from spack.spec_set import CombinatorialSpecSet
-
-
-pytestmark = pytest.mark.usefixtures('config')
-
-
-basic_yaml_file = {
-    'spec-set': {
-        'cdash': 'http://example.com/cdash',
-        'project': 'testproj',
-        'include': ['gmake'],
-        'matrix': [
-            {'packages': {
-                'gmake': {
-                    'versions': ['4.0']
-                }
-            }},
-            {'compilers': {
-                'gcc': {
-                    'versions': ['4.2.1', '6.3.0']
-                }, 'clang': {
-                    'versions': ['8.0', '3.8']
-                }
-            }},
-        ]
-    }
-}
-
-
-def test_spec_set_basic():
-    """The "include" isn't required, but if it is present, we should only
-    see specs mentioned there.  Also, if we include cdash and project
-    properties, those should be captured and stored on the resulting
-    CombinatorialSpecSet as attributes."""
-    spec_set = CombinatorialSpecSet(basic_yaml_file, False)
-    specs = list(spec for spec in spec_set)
-    assert len(specs) == 4
-    assert spec_set.cdash == ['http://example.com/cdash']
-    assert spec_set.project == 'testproj'
-
-
-def test_spec_set_no_include():
-    """Make sure that without any exclude or include, we get the full cross-
-    product of specs/versions."""
-    yaml_file = {
-        'spec-set': {
-            'matrix': [
-                {'packages': {
-                    'gmake': {
-                        'versions': ['4.0']
-                    }
-                }},
-                {'compilers': {
-                    'gcc': {
-                        'versions': ['4.2.1', '6.3.0']
-                    }, 'clang': {
-                        'versions': ['8.0', '3.8']
-                    }
-                }},
-            ]
-        }
-    }
-    spec_set = CombinatorialSpecSet(yaml_file, False)
-    specs = list(spec for spec in spec_set)
-    assert len(specs) == 4
-
-
-def test_spec_set_include_exclude_conflict():
-    """Exclude should override include"""
-    yaml_file = {
-        'spec-set': {
-            'include': ['gmake'],
-            'exclude': ['gmake'],
-            'matrix': [
-                {'packages': {
-                    'gmake': {
-                        'versions': ['4.0']
-                    }
-                }},
-                {'compilers': {
-                    'gcc': {
-                        'versions': ['4.2.1', '6.3.0']
-                    }, 'clang': {
-                        'versions': ['8.0', '3.8']
-                    }
-                }},
-            ]
-        }
-    }
-    spec_set = CombinatorialSpecSet(yaml_file, False)
-    specs = list(spec for spec in spec_set)
-    assert len(specs) == 0
-
-
-def test_spec_set_exclude():
-    """The exclude property isn't required, but if it appears, any specs
-    mentioned there should not appear in the output specs"""
-    yaml_file = {
-        'spec-set': {
-            'exclude': ['gmake'],
-            'matrix': [
-                {'packages': {
-                    'gmake': {
-                        'versions': ['4.0']
-                    },
-                    'appres': {
-                        'versions': ['1.0.4']
-                    },
-                    'allinea-reports': {
-                        'versions': ['6.0.4']
-                    }
-                }},
-                {'compilers': {
-                    'gcc': {
-                        'versions': ['4.2.1', '6.3.0']
-                    }, 'clang': {
-                        'versions': ['8.0', '3.8']
-                    }
-                }},
-            ]
-        }
-    }
-    spec_set = CombinatorialSpecSet(yaml_file, False)
-    specs = list(spec for spec in spec_set)
-    assert len(specs) == 8
-
-
-def test_spec_set_include_limited_packages():
-    """If we see the include key, it is a filter and only the specs mentioned
-    there should actually be included."""
-    yaml_file = {
-        'spec-set': {
-            'include': ['gmake'],
-            'matrix': [
-                {'packages': {
-                    'gmake': {
-                        'versions': ['4.0']
-                    },
-                    'appres': {
-                        'versions': ['1.0.4']
-                    },
-                    'allinea-reports': {
-                        'versions': ['6.0.4']
-                    }
-                }},
-                {'compilers': {
-                    'gcc': {
-                        'versions': ['4.2.1', '6.3.0']
-                    }, 'clang': {
-                        'versions': ['8.0', '3.8']
-                    }
-                }},
-            ]
-        }
-    }
-    spec_set = CombinatorialSpecSet(yaml_file, False)
-    specs = list(spec for spec in spec_set)
-    assert len(specs) == 4
-
-
-def test_spec_set_simple_spec_list():
-    """Make sure we can handle the slightly more concise syntax where we
-    include the package name/version together and skip the extra keys in
-    the dictionary."""
-    yaml_file = {
-        'spec-set': {
-            'matrix': [
-                {'specs': [
-                    'gmake@4.0',
-                    'appres@1.0.4',
-                    'allinea-reports@6.0.4'
-                ]},
-            ]
-        }
-    }
-    spec_set = CombinatorialSpecSet(yaml_file, False)
-    specs = list(spec for spec in spec_set)
-    assert len(specs) == 3
-
-
-def test_spec_set_with_specs():
-    """Make sure we only see the specs mentioned in the include"""
-    yaml_file = {
-        'spec-set': {
-            'include': ['gmake', 'appres'],
-            'matrix': [
-                {'specs': [
-                    'gmake@4.0',
-                    'appres@1.0.4',
-                    'allinea-reports@6.0.4'
-                ]},
-                {'compilers': {
-                    'gcc': {
-                        'versions': ['4.2.1', '6.3.0']
-                    }, 'clang': {
-                        'versions': ['8.0', '3.8']
-                    }
-                }},
-            ]
-        }
-    }
-    spec_set = CombinatorialSpecSet(yaml_file, False)
-    specs = list(spec for spec in spec_set)
-    assert len(specs) == 8
-
-
-def test_spec_set_packages_no_matrix():
-    """The matrix property is required, make sure we error out if it is
-    missing"""
-    yaml_file = {
-        'spec-set': {
-            'include': ['gmake'],
-            'packages': {
-                'gmake': {
-                    'versions': ['4.0']
-                },
-                'appres': {
-                    'versions': ['1.0.4']
-                },
-                'allinea-reports': {
-                    'versions': ['6.0.4']
-                }
-            },
-        }
-    }
-    with pytest.raises(ValidationError):
-        CombinatorialSpecSet(yaml_file)
-
-
-def test_spec_set_get_cdash_array():
-    """Make sure we can handle multiple cdash sites in a list"""
-    yaml_file = {
-        'spec-set': {
-            'cdash': ['http://example.com/cdash', 'http://example.com/cdash2'],
-            'project': 'testproj',
-            'matrix': [
-                {'packages': {
-                    'gmake': {'versions': ['4.0']},
-                }},
-                {'compilers': {
-                    'gcc': {'versions': ['4.2.1', '6.3.0']},
-                    'clang': {'versions': ['8.0', '3.8']},
-                }},
-            ]
-        }
-    }
-
-    spec_set = CombinatorialSpecSet(yaml_file)
-    assert spec_set.cdash == [
-        'http://example.com/cdash', 'http://example.com/cdash2']
-    assert spec_set.project == 'testproj'
-
-
-def test_compiler_specs():
-    spec_set = CombinatorialSpecSet(basic_yaml_file, False)
-    compilers = spec_set._compiler_specs({
-        'gcc': {
-            'versions': ['4.2.1', '6.3.0']
-        }, 'clang': {
-            'versions': ['8.0', '3.8']
-        }})
-
-    assert len(list(compilers)) == 4
-    assert Spec('%gcc@4.2.1') in compilers
-    assert Spec('%gcc@6.3.0') in compilers
-    assert Spec('%clang@8.0') in compilers
-    assert Spec('%clang@3.8') in compilers
-
-
-def test_package_specs():
-    spec_set = CombinatorialSpecSet(basic_yaml_file, False)
-
-    packages = spec_set._package_specs({
-        'gmake': {
-            'versions': ['4.0', '5.0']
-        },
-        'appres': {
-            'versions': ['1.0.4']
-        },
-        'allinea-reports': {
-            'versions': ['6.0.1', '6.0.3', '6.0.4']
-        }
-    })
-
-    assert Spec('gmake@4.0') in packages
-    assert Spec('gmake@5.0') in packages
-    assert Spec('appres@1.0.4') in packages
-    assert Spec('allinea-reports@6.0.1') in packages
-    assert Spec('allinea-reports@6.0.3') in packages
-    assert Spec('allinea-reports@6.0.4') in packages