Create test_equivalence_class_exercise

backend/tests/test_equivalence_class_exercise

@@ -0,0 +1,48 @@
+"""
+TC_001 - Equivalence class test for the limit of sets in an exercise
+"""
+from django.test import TestCase
+from workouts.models import ExerciseInstance
+
+# Test an exercise instance with the lowest equivalence class
+def test_create_below_exercise_instance(self):
+  response = self.client.post("api/exercise-instances/",
+    "workout": "Full body toning",
+    "exercise": "Squats",
+    "sets": -10, # A negative number of sets is expected to raise an error
+    "number": 5
+  }, format="json")
+
+  print(f"Error response data: {response.data}")
+  print(f"Error response status code: {response.status_code}")
+
+  assert response.status_code == 400
+
+# Test an exercise instance with the mid and valid equivalence class
+def test_create_valid_exercise_instance(self):
+  response = self.client.post("/api/exercise-instances/", {
+    "workout": "Full body toning",
+    "exercise": "Squats",
+    "sets": 50, # A number of sets between 0 and 100 is expected to be valid
+    "number": 5
+  }, format="json")
+
+  print(f"Response data: {response.data}")
+  print(f"Response status code: {response.status_code}")
+
+  assert response.status_code == 201
+  assert ExerciseInstance.objects.count() == 1
+
+# Test an exercise instance with the highest equivalence class
+def test_create_below_exercise_instance(self):
+  response = self.client.post("api/exercise-instances/", {
+    "workout": "Full body toning",
+    "exercise": "Squats",
+    "sets": 110, # A number of sets above 100 is expected to raise an error
+    "number": 5
+  }, format="json")
+
+  print(f"Error response data: {response.data}")
+  print(f"Error response status code: {response.status_code}")
+
+  assert response.status_code == 400