feat: adds AssembleTask and bot pre-tasks

Adds an extendable TaskBase type
Adds Authored types for assembly
Adds AssembleTask execution and implementation in CLI
Adds unit tests for SSP AuthorType and AssembleTask

Signed-off-by: Jennifer Power <[email protected]>

action.yml

@@ -3,6 +3,16 @@ author: "Red Hat Product Security"
 description: "A workflow automation manager for OSCAL formatted compliance content"
 
 inputs:
+  markdown_path: 
+    description: Path relative to the repository path where the Trestle markdown files are located. See project README.md for more information.
+    required: true
+  assemble_model:
+    description: OSCAL Model type to assemble. Values can be catalog, profile, compdef, or ssp.
+    required: true
+  ssp_index_path:
+    description: Path relative to the repository path where the ssp index is located. See project README.md for information about the ssp index.
+    required: false
+    default: "ssp-index.txt"
   commit_message:
     description: Commit message
     required: false

pyproject.toml

@@ -21,6 +21,7 @@ trestle-bot = "trestlebot.cli:run"
 [tool.poetry.dependencies]
 python = '^3.8.1'
 gitpython = "^3.1.31"
+compliance-trestle = "^2.1.1"
 
 [tool.poetry.group.dev.dependencies]
 flake8 = "^6.0.0"

tests/conftest.py

@@ -0,0 +1,76 @@
+#!/usr/bin/python
+
+#    Copyright 2023 Red Hat, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""Test fixtures"""
+
+import argparse
+import os
+import pathlib
+from tempfile import TemporaryDirectory
+from typing import Generator, Tuple, TypeVar
+
+import pytest
+from git.repo import Repo
+from trestle.common.err import TrestleError
+from trestle.core.commands.init import InitCmd
+
+
+T = TypeVar("T")
+
+YieldFixture = Generator[T, None, None]
+
+_TEST_CONTENTS = """
+test file
+"""
+
+_TEST_FILENAME = "test.txt"
+
+
+@pytest.fixture
+def tmp_repo() -> YieldFixture[Tuple[str, Repo]]:
+    """Create a temporary git repository"""
+    with TemporaryDirectory(prefix="trestlebot_tests") as tmpdir:
+        with open(os.path.join(tmpdir, _TEST_FILENAME), "x", encoding="utf8") as file:
+            file.write(_TEST_CONTENTS)
+        repo = Repo.init(tmpdir)
+        with repo.config_writer() as config:
+            config.set_value("user", "email", "[email protected]")
+            config.set_value("user", "name", "Test User")
+        repo.git.add(all=True)
+        repo.index.commit("Initial commit")
+        yield tmpdir, repo
+
+
+@pytest.fixture
+def tmp_trestle_dir() -> YieldFixture[str]:
+    """Create an initialized temporary trestle directory"""
+    with TemporaryDirectory(prefix="trestlebot_tests") as tmpdir:
+        tmp_path = pathlib.Path(tmpdir)
+        try:
+            args = argparse.Namespace(
+                verbose=0,
+                trestle_root=tmp_path,
+                full=True,
+                local=False,
+                govdocs=False,
+            )
+            init = InitCmd()
+            init._run(args)
+        except Exception as e:
+            raise TrestleError(
+                f"Initialization failed for temporary trestle directory: {e}."
+            )
+        yield tmpdir