diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..3697c7d
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,75 @@
+import os
+from pathlib import Path
+
+import pytest
+
+import tests.basic_test_func as basic_test_func
+from WeatherRoutingTool.algorithms.isobased import IsoBased
+from WeatherRoutingTool.algorithms.isofuel import IsoFuel
+from WeatherRoutingTool.config import Config
+from WeatherRoutingTool.ship.direct_power_boat import DirectPowerBoat
+from WeatherRoutingTool.ship.ship_config import ShipConfig
+
+
+@pytest.fixture(scope="session")
+def test_data_dir() -> str:
+    return os.path.join(os.path.dirname(__file__), "data")
+
+
+@pytest.fixture(scope="session")
+def tests_config_path() -> Path:
+    return Path(__file__).parent / "config.tests.json"
+
+
+@pytest.fixture(scope="session")
+def wrt_config(tests_config_path) -> Config:
+    return Config.assign_config(path=tests_config_path)
+
+
+@pytest.fixture(scope="session")
+def ship_config(tests_config_path) -> ShipConfig:
+    return ShipConfig.assign_config(path=tests_config_path)
+
+
+@pytest.fixture(scope="session")
+def simpleship() -> DirectPowerBoat:
+    return basic_test_func.create_dummy_Direct_Power_Ship("simpleship")
+
+
+@pytest.fixture(scope="session")
+def manualship() -> DirectPowerBoat:
+    return basic_test_func.create_dummy_Direct_Power_Ship("manualship")
+
+
+@pytest.fixture
+def base_ship_config_dict() -> dict:
+    return {
+        "BOAT_BREADTH": 32,
+        "BOAT_FUEL_RATE": 167,
+        "BOAT_HBR": 30,
+        "BOAT_LENGTH": 180,
+        "BOAT_SMCR_POWER": 6502,
+        "BOAT_SMCR_SPEED": 6,
+        "BOAT_SPEED": 6,
+        "WEATHER_DATA": "abc",
+    }
+
+
+@pytest.fixture
+def simpleship_from_dict(base_ship_config_dict) -> DirectPowerBoat:
+    ship_config = ShipConfig.assign_config(
+        init_mode="from_dict", config_dict=base_ship_config_dict
+    )
+    boat = DirectPowerBoat(ship_config)
+    boat.load_data()
+    return boat
+
+
+@pytest.fixture(scope="session")
+def isofuel_algorithm() -> IsoFuel:
+    return basic_test_func.create_dummy_IsoFuel_object()
+
+
+@pytest.fixture(scope="session")
+def isobased_algorithm() -> IsoBased:
+    return basic_test_func.create_dummy_IsoBased_object()