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PSCE-263: tests: adds initial end to end test for rules transform (#65)
* tests: adds initial end to end tests for rules transform Adds a mock api to provide static responses for git client Adds container images build and removal fixture Adds initial command test case and response Signed-off-by: Jennifer Power <[email protected]> * chore: incorporates PR feedback Signed-off-by: Jennifer Power <[email protected]> --------- Signed-off-by: Jennifer Power <[email protected]>
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requires = ['poetry-core>=1.2.0', 'wheel',] | ||
build-backend = 'poetry.core.masonry.api' | ||
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[tool.poetry] | ||
name = 'trestlebot' | ||
version = '0.1.0' | ||
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@@ -10,11 +11,13 @@ description = "trestle-bot assists users in leveraging Compliance-Trestle in aut | |
authors = ["Jennifer Power <[email protected]>",] | ||
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include = ['LICENSE'] | ||
exclude = ['tests/', 'docs/'] | ||
license = 'Apache-2.0' | ||
readme = 'README.md' | ||
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repository = 'https://github.com/RedHatProductSecurity/trestle-bot' | ||
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[tool.poetry.scripts] | ||
trestlebot-autosync = "trestlebot.entrypoints.autosync:main" | ||
trestlebot-rules-transform = "trestlebot.entrypoints.rule_transform:main" | ||
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@@ -40,6 +43,7 @@ pre-commit = "^3.4.0" | |
[tool.poetry.group.tests.dependencies] | ||
pytest = "^7.3.2" | ||
pytest-cov = "^4.1.0" | ||
pytest-skip-slow = "^0.0.5" | ||
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[tool.coverage.run] | ||
branch = true | ||
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FROM docker.io/wiremock/wiremock:3.2.0-2 | ||
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COPY mappings/ /home/wiremock/mappings/ |
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# End-to-End Testing | ||
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End-to-end tests are used to verify the CLI functionality of trestle-bot from a user's perspective, running in a containerized environment. | ||
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## Prerequisites | ||
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Before running the end-to-end tests, ensure you have the following prerequisites installed: | ||
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- [Podman](https://podman.io/docs/installation) - Container management tool | ||
- [Python 3](https://www.python.org/downloads/) - Required for test automation | ||
- [Poetry](https://python-poetry.org/docs/#installation) - Dependency management | ||
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## Resources | ||
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- **`mappings`**: This directory contains JSON mappings used with WireMock to mock the Git server endpoints. | ||
- **`play-kube.yml`**: This file includes Kubernetes resources for deploying the mock API server in a pod. | ||
- **`Dockerfile`**: The Dockerfile used to build the mock server container image. | ||
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## Running the Tests | ||
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To run the end-to-end tests, follow these steps: | ||
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1. Clone the project repository: | ||
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```bash | ||
git clone https://github.com/RedHatProductSecurity/trestle-bot.git | ||
cd trestle-bot | ||
``` | ||
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2. Install the project dependencies: | ||
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```bash | ||
poetry install --without dev --no-root | ||
``` | ||
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3. Run the tests: | ||
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```bash | ||
make test-e2e | ||
``` | ||
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> **Note:** This should always be run from the root of the project directory. | ||
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## Additional Notes | ||
- The WireMock tool is used to mock Git server endpoints for testing. | ||
- Podman is used for container and pod management and to build the container image for the mock API server. | ||
- In the future, we plan to provide an option to use pre-built trestle-bot container images from a registry instead of building them locally. |
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{ | ||
"mappings": [ | ||
{ | ||
"request": { | ||
"method": "GET", | ||
"url": "/test.git/HEAD" | ||
}, | ||
"response": { | ||
"status": 200, | ||
"body": "ref: refs/heads/test\n", | ||
"headers": { | ||
"Content-Type": "application/x-git-advertisement" | ||
} | ||
} | ||
}, | ||
{ | ||
"request": { | ||
"method": "GET", | ||
"urlPattern": "/test.git/info/refs.*", | ||
"queryParameters": { | ||
"service": { | ||
"equalTo": "git-receive-pack" | ||
} | ||
} | ||
}, | ||
"response": { | ||
"status": 200, | ||
"body": "3e84c924d2574c95e8a7e8d7a76530b95d16f784\trefs/heads/test\n", | ||
"headers": { | ||
"Content-Type": "application/x-git-advertisement" | ||
} | ||
} | ||
}, | ||
{ | ||
"request": { | ||
"method": "POST", | ||
"url": "/test.git/git-receive-pack" | ||
}, | ||
"response": { | ||
"status": 200, | ||
"body": "0000ACK refs/heads/test\n0000", | ||
"headers": { | ||
"Content-Type": "application/x-git-receive-pack-result" | ||
} | ||
} | ||
} | ||
] | ||
} |
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apiVersion: v1 | ||
kind: Pod | ||
metadata: | ||
name: trestlebot-e2e-pod | ||
labels: | ||
app: trestlebot-e2e | ||
spec: | ||
containers: | ||
- name: mock-server-container | ||
image: localhost/mock-server:latest | ||
ports: | ||
- containerPort: 8080 |
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#!/usr/bin/python | ||
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# 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. | ||
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"""E2E tests for the rules transform command.""" | ||
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import argparse | ||
import pathlib | ||
import subprocess | ||
from typing import Dict, List, Tuple | ||
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import pytest | ||
from git.repo import Repo | ||
from trestle.core.commands.init import InitCmd | ||
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from tests.conftest import YieldFixture | ||
from tests.testutils import args_dict_to_list, setup_rules_view | ||
from trestlebot.const import RULES_VIEW_DIR | ||
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image_name = "localhost/trestlebot:latest" | ||
mock_server_image_name = "localhost/mock-server:latest" | ||
pod_name = "trestlebot-e2e-pod" | ||
e2e_context = "tests/e2e" | ||
container_file = "Dockerfile" | ||
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# Define test cases and expected outcomes | ||
test_cases: List[Tuple[Dict[str, str], int]] = [ | ||
( | ||
{ | ||
"branch": "test", | ||
"rules-view-path": RULES_VIEW_DIR, | ||
"committer-name": "test", | ||
"committer-email": "[email protected]", | ||
"file-patterns": ".", | ||
}, | ||
0, | ||
), | ||
( | ||
{ | ||
"branch": "test", | ||
"rules-view-path": RULES_VIEW_DIR, | ||
"file-patterns": ".", | ||
}, | ||
2, | ||
), | ||
] | ||
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def build_image_command(data_path: str, command_args: Dict[str, str]) -> List[str]: | ||
"""Build a command to be run in the shell.""" | ||
return [ | ||
"podman", | ||
"run", | ||
"--pod", | ||
pod_name, | ||
"--entrypoint", | ||
"trestlebot-rules-transform", | ||
"--rm", | ||
"-v", | ||
f"{data_path}:/trestle", | ||
"-w", | ||
"/trestle", | ||
image_name, | ||
*args_dict_to_list(command_args), | ||
] | ||
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@pytest.fixture(scope="module") | ||
def podman_setup() -> YieldFixture[int]: | ||
"""Build the trestlebot container image and run the mock server in a pod.""" | ||
# Build the container image | ||
subprocess.run( | ||
[ | ||
"podman", | ||
"build", | ||
"-f", | ||
container_file, | ||
"-t", | ||
image_name, | ||
], | ||
check=True, | ||
) | ||
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# Build mock server container image | ||
subprocess.run( | ||
[ | ||
"podman", | ||
"build", | ||
"-f", | ||
f"{e2e_context}/{container_file}", | ||
"-t", | ||
mock_server_image_name, | ||
e2e_context, | ||
], | ||
check=True, | ||
) | ||
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# Create a pod | ||
response = subprocess.run( | ||
["podman", "play", "kube", f"{e2e_context}/play-kube.yml"], check=True | ||
) | ||
yield response.returncode | ||
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# Clean up the container image, pod and mock server | ||
try: | ||
subprocess.run( | ||
["podman", "play", "kube", "--down", f"{e2e_context}/play-kube.yml"], | ||
check=True, | ||
) | ||
subprocess.run(["podman", "rmi", image_name], check=True) | ||
subprocess.run(["podman", "rmi", mock_server_image_name], check=True) | ||
except subprocess.CalledProcessError as e: | ||
raise RuntimeError(f"Failed to clean up podman resources: {e}") | ||
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# Run each test case | ||
@pytest.mark.slow | ||
@pytest.mark.parametrize("command_args, response", test_cases) | ||
def test_rules_transform_e2e( | ||
tmp_repo: Tuple[str, Repo], | ||
podman_setup: int, | ||
command_args: Dict[str, str], | ||
response: int, | ||
) -> None: | ||
"""Test the trestlebot rules transform command.""" | ||
# Check that the container image was built successfully | ||
# and the mock server is running | ||
assert podman_setup == 0 | ||
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tmp_repo_str, repo = tmp_repo | ||
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tmp_repo_path = pathlib.Path(tmp_repo_str) | ||
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# Create a trestle workspace in the temporary git repository | ||
args = argparse.Namespace( | ||
verbose=0, | ||
trestle_root=tmp_repo_path, | ||
full=True, | ||
local=False, | ||
govdocs=False, | ||
) | ||
init = InitCmd() | ||
init._run(args) | ||
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# Setup the rules directory | ||
setup_rules_view(tmp_repo_path, "test-comp") | ||
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remote_url = "http://localhost:8080/test.git" | ||
repo.create_remote("origin", url=remote_url) | ||
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# Build the command to be run in the shell | ||
command = build_image_command(tmp_repo_str, command_args) | ||
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# Run the command | ||
run_response = subprocess.run(command, cwd=tmp_repo_path) | ||
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# Get subprocess response | ||
assert run_response.returncode == response |
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