Merged PR 546: Log the random seed used on each run

## Summary
Added changes so that the value of the random number seed is recorded in a log file when it's specified or the user asks for a RNG seed to be automatically generated.

## Test process
Updated existing RNG tests; added new test.

## Checklist
- [X] PR is linked to a **work item**
- [X] **acceptance criteria** of linked ticket are met
- [X] performed **self-review** of the code
- [X] written **tests** for any new functionality added with this PR
- [ ] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [X] updated the **change log**
- [X] ran **pre-commit** checks for code style
- [ ] attended to any **TO-DOs** left in the code

Related work items: #2879

tests/integration_tests/game_layer/test_RNG_seed.py

@@ -7,6 +7,7 @@ import yaml
 from primaite.config.load import data_manipulation_config_path
 from primaite.game.agent.interface import AgentHistoryItem
 from primaite.session.environment import PrimaiteGymEnv
+from primaite.simulator import SIM_OUTPUT
 
 
 @pytest.fixture()
@@ -33,6 +34,11 @@ def test_rng_seed_set(create_env):
 
     assert a == b
 
+    # Check that seed log file was created.
+    path = SIM_OUTPUT.path / "seed.log"
+    with open(path, "r") as file:
+        assert file
+
 
 def test_rng_seed_unset(create_env):
     """Test with no RNG seed."""
@@ -48,3 +54,19 @@ def test_rng_seed_unset(create_env):
     b = [item.timestep for item in env.game.agents["client_2_green_user"].history if item.action != "DONOTHING"]
 
     assert a != b
+
+
+def test_for_generated_seed():
+    """
+    Show that setting generate_seed_value to true producess a valid seed.
+    """
+    with open(data_manipulation_config_path(), "r") as f:
+        cfg = yaml.safe_load(f)
+
+    cfg["game"]["generate_seed_value"] = True
+    PrimaiteGymEnv(env_config=cfg)
+    path = SIM_OUTPUT.path / "seed.log"
+    with open(path, "r") as file:
+        data = file.read()
+
+    assert data.split(" ")[3] != None