diff --git a/src/control_backend/api/v1/endpoints/program.py b/src/control_backend/api/v1/endpoints/program.py
index fe0fbac..b711a58 100644
--- a/src/control_backend/api/v1/endpoints/program.py
+++ b/src/control_backend/api/v1/endpoints/program.py
@@ -31,7 +31,7 @@ async def receive_message(program: Message, request: Request):
     try:
         phases: list[Phase] = [Phase(**phase) for phase in program_list]
     except Exception as e:
-        logger.error("❌ Failed to convert to Phase objects: %s", e)
+        logger.error("Failed to convert to Phase objects: %s", e)
         raise HTTPException(status_code=400, detail="Non-Phase String") from None
 
     logger.info(f"Succesfully recieved {len(phases)} Phase(s).")
diff --git a/test/integration/api/endpoints/test_program_endpoint.py b/test/integration/api/endpoints/test_program_endpoint.py
new file mode 100644
index 0000000..689961f
--- /dev/null
+++ b/test/integration/api/endpoints/test_program_endpoint.py
@@ -0,0 +1,91 @@
+import json
+from unittest.mock import AsyncMock
+
+import pytest
+from fastapi import FastAPI
+from fastapi.testclient import TestClient
+
+from control_backend.api.v1.endpoints import program  # <-- import your router
+from control_backend.schemas.message import Message
+
+
+@pytest.fixture
+def app():
+    """Create a FastAPI app with the /program route and mock socket."""
+    app = FastAPI()
+    app.include_router(program.router)
+    return app
+
+
+@pytest.fixture
+def client(app):
+    """Create a TestClient."""
+    return TestClient(app)
+
+
+def make_valid_phase_dict():
+    """Helper to create a valid Phase JSON structure."""
+    return {
+        "id": "phase1",
+        "name": "basephase",
+        "nextPhaseId": "phase2",
+        "phaseData": {
+            "norms": [{"id": "n1", "name": "norm", "value": "be nice"}],
+            "goals": [{"id": "g1", "name": "goal", "description": "test goal", "achieved": False}],
+            "triggers": [
+                {"id": "t1", "label": "trigger", "type": "keyword", "value": ["stop", "exit"]}
+            ],
+        },
+    }
+
+
+def test_receive_program_success(client):
+    """Valid program JSON string should parse and be sent via the socket."""
+    # Arrange
+    mock_pub_socket = AsyncMock()
+    client.app.state.endpoints_pub_socket = mock_pub_socket
+
+    phases_list = [make_valid_phase_dict()]
+    message_body = json.dumps(phases_list)
+    msg = Message(message=message_body)
+
+    # Act
+    response = client.post("/program", json=msg.model_dump())
+
+    # Assert
+    assert response.status_code == 202
+    assert response.json() == {"status": "Program parsed", "phase_count": 1}
+
+    # Check the mocked socket
+    expected_body = json.dumps(phases_list).encode("utf-8")
+    mock_pub_socket.send_multipart.assert_awaited_once_with([b"program", expected_body])
+
+
+def test_receive_program_invalid_json(client):
+    """Malformed JSON string should return 400 with 'Undecodeable Json string'."""
+    mock_pub_socket = AsyncMock()
+    client.app.state.endpoints_pub_socket = mock_pub_socket
+
+    # Not valid JSON
+    bad_message = Message(message="{not valid json}")
+    response = client.post("/program", json=bad_message.model_dump())
+
+    assert response.status_code == 400
+    assert response.json()["detail"] == "Undecodeable Json string"
+    mock_pub_socket.send_multipart.assert_not_called()
+
+
+def test_receive_program_invalid_phase(client):
+    """Decodable JSON but invalid Phase structure should return 400 with 'Non-Phase String'."""
+    mock_pub_socket = AsyncMock()
+    client.app.state.endpoints_pub_socket = mock_pub_socket
+
+    # Missing required Phase fields
+    invalid_phase = [{"id": "only_id"}]
+    bad_message = Message(message=json.dumps(invalid_phase))
+
+    response = client.post("/program", json=bad_message.model_dump())
+
+    assert response.status_code == 400
+    assert response.json()["detail"] == "Non-Phase String"
+    mock_pub_socket.send_multipart.assert_not_called()
diff --git a/test/integration/schemas/test_ui_program_message.py b/test/integration/schemas/test_ui_program_message.py
new file mode 100644
index 0000000..36352d6
--- /dev/null
+++ b/test/integration/schemas/test_ui_program_message.py
@@ -0,0 +1,85 @@
+import pytest
+from pydantic import ValidationError
+
+from control_backend.schemas.program import Goal, Norm, Phase, PhaseData, Program, Trigger
+
+
+def base_norm() -> Norm:
+    return Norm(
+        id="norm1",
+        name="testNorm",
+        value="you should act nice",
+    )
+
+
+def base_goal() -> Goal:
+    return Goal(
+        id="goal1",
+        name="testGoal",
+        description="you should act nice",
+        achieved=False,
+    )
+
+
+def base_trigger() -> Trigger:
+    return Trigger(
+        id="trigger1",
+        label="testTrigger",
+        type="keyword",
+        value=["Stop", "Exit"],
+    )
+
+
+def base_phase_data() -> PhaseData:
+    return PhaseData(
+        norms=[base_norm()],
+        goals=[base_goal()],
+        triggers=[base_trigger()],
+    )
+
+
+def base_phase() -> Phase:
+    return Phase(
+        id="phase1",
+        name="basephase",
+        nextPhaseId="phase2",
+        phaseData=base_phase_data(),
+    )
+
+
+def base_program() -> Program:
+    return Program(phases=[base_phase()])
+
+
+def invalid_program() -> dict:
+    # wrong types inside phases list (not Phase objects)
+    return {
+        "phases": [
+            {"id": "phase1"},  # incomplete
+            {"not_a_phase": True},
+        ]
+    }
+
+
+def test_valid_program():
+    program = base_program()
+    validated = Program.model_validate(program)
+    assert isinstance(validated, Program)
+    assert validated.phases[0].phaseData.norms[0].name == "testNorm"
+
+
+def test_valid_deepprogram():
+    program = base_program()
+    validated = Program.model_validate(program)
+    # validate nested components directly
+    phase = validated.phases[0]
+    assert isinstance(phase.phaseData, PhaseData)
+    assert isinstance(phase.phaseData.goals[0], Goal)
+    assert isinstance(phase.phaseData.triggers[0], Trigger)
+    assert isinstance(phase.phaseData.norms[0], Norm)
+
+
+def test_invalid_program():
+    bad = invalid_program()
+    with pytest.raises(ValidationError):
+        Program.model_validate(bad)