diff --git a/tests/test_lab_dev/test_circuit_components.py b/tests/test_lab_dev/test_circuit_components.py
index 200479614..d8e16e417 100644
--- a/tests/test_lab_dev/test_circuit_components.py
+++ b/tests/test_lab_dev/test_circuit_components.py
@@ -20,6 +20,7 @@
 
 import numpy as np
 import pytest
+from IPython import InteractiveShell
 from ipywidgets import HTML, Box, HBox, VBox
 
 from mrmustard import math, settings
@@ -559,6 +560,15 @@ def test_ipython_repr_invalid_obj(self, mock_display):
         assert isinstance(title_widget, HTML)
         assert isinstance(wires_widget, HTML)
 
+    @patch("mrmustard.lab_dev.circuit_components.get_ipython")
+    def test_ipython_repr_interactive(self, mock_ipython, capsys):
+        """Test the IPython repr function."""
+        mock_ipython.return_value = InteractiveShell()
+        dgate = Dgate([1, 2], x=0.1, y=0.1).to_fock()
+        dgate._ipython_display_()
+        captured = capsys.readouterr()
+        assert captured.out.rstrip() == repr(dgate)
+
     def test_serialize_default_behaviour(self):
         """Test the default serializer."""
         name = "my_component"
diff --git a/tests/test_physics/test_ansatz/test_array_ansatz.py b/tests/test_physics/test_ansatz/test_array_ansatz.py
index 0879ef0fc..a9f130ec3 100644
--- a/tests/test_physics/test_ansatz/test_array_ansatz.py
+++ b/tests/test_physics/test_ansatz/test_array_ansatz.py
@@ -20,6 +20,7 @@
 
 import numpy as np
 import pytest
+from IPython import InteractiveShell
 from ipywidgets import HTML, HBox, Tab, VBox
 from plotly.graph_objs import FigureWidget
 
@@ -261,3 +262,12 @@ def test_ipython_repr_expects_3_dims_or_less(self, mock_display):
         rep = ArrayAnsatz(np.random.random((1, 4, 4, 4)), batched=True)
         rep._ipython_display_()
         mock_display.assert_not_called()
+
+    @patch("mrmustard.physics.ansatz.array_ansatz.get_ipython")
+    def test_ipython_repr_interactive(self, mock_ipython, capsys):
+        """Test the IPython repr function."""
+        mock_ipython.return_value = InteractiveShell()
+        rep = ArrayAnsatz(np.random.random((1, 8)), batched=True)
+        rep._ipython_display_()
+        captured = capsys.readouterr()
+        assert captured.out.rstrip() == repr(rep)
diff --git a/tests/test_physics/test_ansatz/test_polyexp_ansatz.py b/tests/test_physics/test_ansatz/test_polyexp_ansatz.py
index a5a9f5f28..ed0b605e5 100644
--- a/tests/test_physics/test_ansatz/test_polyexp_ansatz.py
+++ b/tests/test_physics/test_ansatz/test_polyexp_ansatz.py
@@ -20,6 +20,7 @@
 
 import numpy as np
 import pytest
+from IPython import InteractiveShell
 from ipywidgets import HTML, Box, IntSlider, IntText, Stack, VBox
 from plotly.graph_objs import FigureWidget
 
@@ -321,6 +322,15 @@ def test_ipython_repr_batched(self, mock_display):
         assert len(stack.children) == 2
         assert all(box.layout.max_width == "50%" for box in stack.children)
 
+    @patch("mrmustard.physics.ansatz.polyexp_ansatz.get_ipython")
+    def test_ipython_repr_interactive(self, mock_ipython, capsys):
+        """Test the IPython repr function."""
+        mock_ipython.return_value = InteractiveShell()
+        rep = PolyExpAnsatz(*Abc_triple(2))
+        rep._ipython_display_()
+        captured = capsys.readouterr()
+        assert captured.out.rstrip() == repr(rep)
+
     def test_matmul_barg_barg(self):
         triple1 = Abc_triple(3)
         triple2 = Abc_triple(3)
diff --git a/tests/test_physics/test_wires.py b/tests/test_physics/test_wires.py
index e0a537de0..e7dcab326 100644
--- a/tests/test_physics/test_wires.py
+++ b/tests/test_physics/test_wires.py
@@ -19,6 +19,7 @@
 from unittest.mock import patch
 
 import pytest
+from IPython import InteractiveShell
 from ipywidgets import HTML
 
 from mrmustard.physics.wires import Wires
@@ -235,3 +236,12 @@ def test_ipython_repr(self, mock_display):
         wires._ipython_display_()
         [widget] = mock_display.call_args.args
         assert isinstance(widget, HTML)
+
+    @patch("mrmustard.physics.wires.get_ipython")
+    def test_ipython_repr_interactive(self, mock_ipython, capsys):
+        """Test the IPython repr function."""
+        mock_ipython.return_value = InteractiveShell()
+        wires = Wires({0}, {}, {3}, {3, 4})
+        wires._ipython_display_()
+        captured = capsys.readouterr()
+        assert captured.out.rstrip() == repr(wires)