Fix union use in utils.py & add tox GitHub workflow (#35)

* Add specific Python version classifers

* Add tox workflow, single test, and fix union usage

Resolves: #32

* Update minor version & add instructions to docs

.github/workflows/tox.yaml

@@ -0,0 +1,35 @@
+name: tox
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  pytest:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
+      fail-fast: false
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install tox
+
+      - name: Run Tests
+        run: tox run -m ${{ matrix.python-version }}

README.md

@@ -204,5 +204,11 @@ poetry install
 
 # Run the tool
 poetry run edgar-tool --help
+
+# Run unit tests using your Poetry environment's Python interpreter
+poetry run pytest
+
+# Run unit tests with tox
+poetry run tox -- run-parallel
 ```
 </details>

edgar_tool/utils.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import re
 from datetime import date
 from typing import Any, Iterator, Dict, List, Union, Optional

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "edgar-tool"
-version = "1.3.2"
+version = "1.3.3"
 description = "Search and retrieve corporate and financial data from the United States Securities and Exchange Commission (SEC)."
 authors = ["Bellingcat"]
 license = "GNU General Public License v3 (GPLv3)"
@@ -12,6 +12,10 @@ classifiers = [
   "Development Status :: 3 - Alpha",
   "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
   "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Topic :: Office/Business :: Financial",
 ]
 keywords=["scraper", "edgar", "finance", "sec"]
@@ -32,8 +36,8 @@ xmltodict = "^0.13"
 
 [tool.poetry.group.dev.dependencies]
 black = "^24.2.0"
-
+tox = "^4.16.0"
 
 [build-system]
 requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"
+build-backend = "poetry.core.masonry.api"

tests/test_cli.py

@@ -0,0 +1,29 @@
+import subprocess
+
+
+def test_cli_should_return_help_string_when_passed_no_args():
+    """Tests that running edgar-tool without any arguments returns the CLI's help string and 0 exit code."""
+    # GIVEN
+    expected = """
+NAME
+    edgar-tool
+
+SYNOPSIS
+    edgar-tool COMMAND
+
+COMMANDS
+    COMMAND is one of the following:
+
+     rss
+       Fetch the latest RSS feed data for the given company tickers and save it to either a CSV, JSON, or JSONLines file.
+
+     text_search
+       Perform a custom text search on the SEC EDGAR website and save the results to either a CSV, JSON, or JSONLines file.
+"""
+
+    # WHEN
+    result = subprocess.run(["edgar-tool"], capture_output=True, text=True)
+
+    # THEN
+    assert result.returncode == 0
+    assert result.stdout.strip() == expected.strip()

tox.ini

@@ -0,0 +1,14 @@
+[tox]
+envlist = py39, py310, py311, py312
+labels =
+    ; Used to map GitHub workflow python version to tox env
+    3.9 = py39
+    3.10 = py310
+    3.11 = py311
+    3.12 = py312
+
+[testenv]
+deps =
+    pytest>=8
+commands =
+    pytest tests/ --import-mode=importlib