add ability to partition tree before calculationn

tests/ahriman/application/handlers/test_handler_structure.py

@@ -1,6 +1,7 @@
 import argparse
 
 from pytest_mock import MockerFixture
+from unittest.mock import call as MockCall
 
 from ahriman.application.handlers import Structure
 from ahriman.core.configuration import Configuration
@@ -8,19 +9,40 @@ from ahriman.core.repository import Repository
 from ahriman.models.package import Package
 
 
+def _default_args(args: argparse.Namespace) -> argparse.Namespace:
+    """
+    default arguments for these test cases
+
+    Args:
+        args(argparse.Namespace): command line arguments fixture
+
+    Returns:
+        argparse.Namespace: generated arguments for these test cases
+    """
+    args.partitions = 1
+    return args
+
+
 def test_run(args: argparse.Namespace, configuration: Configuration, repository: Repository,
              package_ahriman: Package, mocker: MockerFixture) -> None:
     """
     must run command
     """
+    args = _default_args(args)
     mocker.patch("ahriman.core.repository.Repository.load", return_value=repository)
     mocker.patch("ahriman.core.repository.Repository.packages", return_value=[package_ahriman])
+    packages_mock = mocker.patch("ahriman.core.tree.Tree.partition", return_value=[[package_ahriman]])
     application_mock = mocker.patch("ahriman.core.tree.Tree.resolve", return_value=[[package_ahriman]])
     print_mock = mocker.patch("ahriman.core.formatters.Printer.print")
 
     Structure.run(args, "x86_64", configuration, report=False)
+    packages_mock.assert_called_once_with([package_ahriman], count=args.partitions)
     application_mock.assert_called_once_with([package_ahriman])
-    print_mock.assert_called_once_with(verbose=True, separator=" ")
+    print_mock.assert_has_calls([
+        MockCall(verbose=False),
+        MockCall(verbose=True, separator=" "),
+        MockCall(verbose=False),
+    ])
 
 
 def test_disallow_auto_architecture_run() -> None:

tests/ahriman/application/test_ahriman.py

@@ -600,6 +600,16 @@ def test_subparsers_repo_tree_architecture(parser: argparse.ArgumentParser) -> N
     assert args.architecture == ["x86_64"]
 
 
+def test_subparsers_repo_tree_option_partitions(parser: argparse.ArgumentParser) -> None:
+    """
+    must convert partitions option to int instance
+    """
+    args = parser.parse_args(["repo-tree"])
+    assert isinstance(args.partitions, int)
+    args = parser.parse_args(["repo-tree", "--partitions", "42"])
+    assert isinstance(args.partitions, int)
+
+
 def test_subparsers_repo_triggers_architecture(parser: argparse.ArgumentParser) -> None:
     """
     repo-triggers command must correctly parse architecture list