feat: Adds api integration tests

_scripts/run_tests.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+set -eo pipefail
+
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
+PROJECT_ROOT=$(dirname "$SCRIPT_DIR")
+
+VENV_PATH="$PROJECT_ROOT/tests/.venv"
+REQS_PATH="$PROJECT_ROOT/tests/requirements.txt"
+
+setup_environment() {
+    echo "Setting up Python virtual environment..."
+
+    if ! command -v python3 &> /dev/null; then
+        echo "Error: python3 is not installed or not in PATH."
+        exit 1
+    fi
+
+    # Clean up old environment if it exists
+    if [ -d "$VENV_PATH" ]; then
+        echo "Removing existing virtual environment."
+        rm -rf "$VENV_PATH"
+    fi
+
+    echo "Creating virtual environment at $VENV_PATH..."
+    python3 -m venv "$VENV_PATH"
+
+    echo "Installing dependencies from $REQS_PATH..."
+    "$VENV_PATH/bin/pip" install -r "$REQS_PATH"
+    echo "Setup complete."
+}
+
+if [[ "$1" == "--build" ]]; then
+    setup_environment
+    shift # Consume the --build argument
+fi
+
+if [ ! -d "$VENV_PATH" ]; then
+    echo "Virtual environment not found. Please run with the --build flag to create it:"
+    echo "  $0 --build"
+    exit 1
+fi
+
+source "$VENV_PATH/bin/activate"
+
+echo "Running integration tests..."
+pytest "$PROJECT_ROOT/tests/" "$@"

tests/requirements.txt

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+pytest==8.2.0
+requests==2.31.0

tests/test_api.py

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+import pytest
+import requests
+import uuid
+import os
+
+BASE_URL = os.environ.get("API_BASE_URL", "http://localhost:8080")
+
+
+@pytest.fixture
+def unique_user_payload():
+    """
+    Pytest fixture to generate a unique user payload for registration.
+    """
+    unique_id = uuid.uuid4()
+    return {
+        "username": f"testuser_{unique_id}",
+        "password": f"password_{uuid.uuid4()}",
+        "email": f"test_{unique_id}@example.com",
+    }
+
+
+def test_health_check():
+    """
+    Tests if the /health endpoint is working.
+    """
+    response = requests.get(f"{BASE_URL}/health")
+    assert response.status_code == 200
+    assert response.text == "OK"
+
+
+def test_user_registration_success(unique_user_payload):
+    """
+    Tests successful user registration.
+    """
+    response = requests.post(f"{BASE_URL}/register", json=unique_user_payload)
+    assert response.status_code == 201
+    response_json = response.json()
+    assert response_json["status"] == "success"
+    assert response_json["message"] == "User registered successfully"
+
+
+def test_user_registration_failure_duplicate_user(unique_user_payload):
+    """
+    Tests that registration fails if the user already exists.
+    """
+    # First registration should succeed
+    response1 = requests.post(f"{BASE_URL}/register", json=unique_user_payload)
+    assert response1.status_code == 201
+
+    # Second registration with the same data should fail
+    response2 = requests.post(f"{BASE_URL}/register", json=unique_user_payload)
+    assert response2.status_code == 409  # Conflict
+    assert "Username or email already exists" in response2.text