added calculateShapeOffsetToXDropCoordinate unit test

src/pods/canvas/use.monitor.business.spec.ts

@@ -0,0 +1,36 @@
+import { calculateShapeOffsetToXDropCoordinate } from './use-monitor.business';
+import { ShapeType } from '@/core/model';
+import { getDefaultSizeFromShape } from './canvas.model';
+
+describe('calculateShapeOffsetToXDropCoordinate', () => {
+  it('should return coordinateX - offset when coordinateX - offset is greater than 0', () => {
+    // Arrange
+    const coordinateX = 100;
+    const shapeType: ShapeType = 'input';
+    const defaultShapeSize = getDefaultSizeFromShape(shapeType);
+
+    // Act
+    const result = calculateShapeOffsetToXDropCoordinate(
+      coordinateX,
+      shapeType
+    );
+
+    // Assert
+    expect(result).toBe(coordinateX - defaultShapeSize.width / 2);
+  });
+
+  it('should return 0 when coordinateX - offset is less than or equal to 0', () => {
+    // Arrange
+    const coordinateX = 20;
+    const shapeType: ShapeType = 'input';
+
+    // Act
+    const result = calculateShapeOffsetToXDropCoordinate(
+      coordinateX,
+      shapeType
+    );
+
+    // Assert
+    expect(result).toBe(0);
+  });
+});