Add unit tests for MCRQI

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/pre-commit/pre-commit-hooks
-  rev: v4.5.0
+  rev: v5.0.0
   hooks:
     - id: trailing-whitespace
       exclude: ^(docs|graphics|utils)/
@@ -12,26 +12,26 @@ repos:
     - id: detect-private-key
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.4.8
+  rev: v0.11.8
   hooks:
     - id: ruff
       exclude: ^(docs|graphics|utils)/
 
 - repo: https://github.com/PyCQA/isort
-  rev: 5.13.2
+  rev: 6.0.1
   hooks:
     - id: isort
       args: ["--profile", "black"]
       exclude: ^(docs|graphics|utils)/
 
 - repo: https://github.com/psf/black
-  rev: 24.4.2
+  rev: 25.1.0
   hooks:
     - id: black
       exclude: ^(docs|graphics|utils)/
 
 - repo: https://github.com/PyCQA/pylint
-  rev: v3.3.1
+  rev: v3.3.6
   hooks:
     - id: pylint
       args: [--disable=import-error]

tests/embeddings/image_embeddings/test_mcrqi.py

@@ -0,0 +1,24 @@
+"""Unit test for MCRQI class"""
+
+from __future__ import annotations
+
+import math
+from unittest import mock
+
+import numpy as np
+import pytest
+from pytest import raises
+from qiskit.circuit import QuantumCircuit
+
+from piqture.embeddings.image_embeddings.mcrqi import MCRQI
+
+
+class TestMCRQI:
+    """Tests for MCRQI image representation class"""
+
+    @pytest.mark.parametrize("img_dims, pixel_vals", [((2, 2), [list(range(4))])])
+    def test_circuit_init(self, img_dims, pixel_vals):
+        """Tests MCRQI circuit initialization."""
+        feature_dim = int(np.ceil(np.sqrt(math.prod(img_dims))))
+        test_circuit = QuantumCircuit(feature_dim + 3)
+        assert MCRQI(img_dims, pixel_vals).circuit == test_circuit