Implement API test suite with 100% coverage

tests/api/conftest.py

@@ -0,0 +1,46 @@
+from os.path import abspath, dirname, join
+
+import pytest
+
+import nettacker.api.engine as engine
+
+project_root = dirname(dirname(dirname(__file__)))
+nettacker_dir = abspath(join(project_root, "nettacker"))
+tests_dir = abspath(join(project_root, "tests"))
+
+
+@pytest.fixture(autouse=True)
+def api_test_state(tmp_path):
+    original_app_config = dict(engine.app.config)
+    original_results_dir = engine.nettacker_path_config.results_dir
+    original_application_config = dict(engine.nettacker_application_config)
+
+    engine.app.config["TESTING"] = True
+    engine.app.config["OWASP_NETTACKER_CONFIG"] = {
+        "api_access_key": "test-key",
+        "api_access_log": "",
+        "api_cert": None,
+        "api_cert_key": None,
+        "api_client_whitelisted_ips": [],
+        "language": "en",
+        "options": None,
+    }
+    engine.nettacker_path_config.results_dir = tmp_path
+
+    yield
+
+    engine.app.config.clear()
+    engine.app.config.update(original_app_config)
+    engine.nettacker_path_config.results_dir = original_results_dir
+    engine.nettacker_application_config.clear()
+    engine.nettacker_application_config.update(original_application_config)
+
+
+@pytest.fixture
+def api_client():
+    return engine.app.test_client()
+
+
+@pytest.fixture
+def api_key():
+    return "test-key"