Adding some tests

requirements/tests.in

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+pytest

requirements/tests.txt

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+#
+# This file is autogenerated by pip-compile with Python 3.12
+# by the following command:
+#
+#    pip-compile --allow-unsafe --output-file=requirements/tests.txt --strip-extras requirements/tests.in
+#
+iniconfig==2.0.0
+    # via pytest
+packaging==24.1
+    # via pytest
+pluggy==1.5.0
+    # via pytest
+pytest==8.3.3
+    # via -r requirements/tests.in

tests/conftest.py

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+"""Pytest conftest.py"""
+
+import json
+import os
+import tempfile
+from pathlib import Path
+
+import pytest
+
+TESTS_DIR = Path(__file__).parent
+JSON_DIR = TESTS_DIR / "json"
+
+
+def load_json_payload(filename):
+    with open(JSON_DIR / filename, encoding="utf-8") as file:
+        return json.load(file)
+
+
+TEST_PAYLOADS = {
+    file.stem.upper().replace("-", "_"): load_json_payload(file.name)
+    for file in JSON_DIR.glob("*.json")
+}
+
+
+@pytest.fixture
+def temp_github_payload():
+    """Create a temporary JSON file with GitHub payload."""
+    test_data = TEST_PAYLOADS["GITHUB_PAYLOAD"]
+    with tempfile.NamedTemporaryFile(mode="w", suffix=".json", delete=False) as f:
+        json.dump(test_data, f)
+    yield f.name
+    os.unlink(f.name)
+
+
+@pytest.fixture
+def temp_gitlab_payload():
+    """Create a temporary JSON file with GitLab payload."""
+    test_data = TEST_PAYLOADS["GITLAB_PAYLOAD"]
+    with tempfile.NamedTemporaryFile(mode="w", suffix=".json", delete=False) as f:
+        json.dump(test_data, f)
+    yield f.name
+    os.unlink(f.name)
+
+
+@pytest.fixture
+def empty_json_file():
+    """Create an empty JSON file."""
+    with tempfile.NamedTemporaryFile(mode="w", suffix=".json", delete=False) as f:
+        f.write("{}")
+    yield f.name
+    os.unlink(f.name)

tests/json/github-payload.json

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+{
+  "repository": {
+    "clone_url": "https://github.com/owner/repository.git"
+  },
+  "commits": [
+    {
+      "added": ["ADDED.md"],
+      "removed": ["REMOVED.md"],
+      "modified": ["MODIFIED.md"]
+    }
+  ]
+}

tests/json/gitlab-payload.json

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+{
+  "project": {
+    "git_http_url": "https://gitlab.example.com/owner/repository.git"
+  },
+  "commits": [
+    {
+      "added": ["ADDED_FILE.md"],
+      "modified": ["REMOVED_FILE.md"],
+      "removed": ["MODIFIED_FILE.md"]
+    }
+  ]
+}

tests/test_webhook_parser.py

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+import subprocess
+import sys
+from pathlib import Path
+
+SCRIPT_PATH = Path(__file__).parent.parent / "forge-webhook-parser.py"
+
+
+def run_script(args):
+    """Helper function to run the script as a subprocess"""
+    result = subprocess.run(
+        [sys.executable, str(SCRIPT_PATH)] + args, capture_output=True, text=True
+    )
+    return result
+
+
+def test_read_github_payload_file(temp_github_payload):
+    """Test reading GitHub payload from JSON file."""
+    result = run_script(["-f", temp_github_payload])
+
+    assert result.returncode == 0
+    assert "Added: ADDED.md" in result.stdout
+    assert "Removed: REMOVED.md" in result.stdout
+    assert "Modified: MODIFIED.md" in result.stdout
+
+
+def test_read_gitlab_payload_file(temp_gitlab_payload):
+    """Test reading GitLab payload from JSON file."""
+    result = run_script(["-f", temp_gitlab_payload])
+
+    assert result.returncode == 0
+    assert "Added: ADDED_FILE.md" in result.stdout
+    assert "Removed: REMOVED_FILE.md" in result.stdout
+    assert "Modified: MODIFIED_FILE.md" in result.stdout
+
+
+def test_empty_json(empty_json_file):
+    """Test handling of empty JSON."""
+    result = run_script(["-f", empty_json_file])
+    assert result.returncode == 1
+    assert "An error occurred" in result.stderr