Prisma MCP Server

import { describe, expect, it } from 'vitest' import { PARAM_PLACEHOLDER, parameterizeQuery } from '../parameterize' describe('parameterizeQuery - edge cases', () => { it('handles empty objects', () => { const query = { arguments: { where: {}, }, selection: { $scalars: true }, } expect(parameterizeQuery(query)).toEqual({ arguments: { where: {}, }, selection: { $scalars: true }, }) }) it('handles empty arrays', () => { const query = { arguments: { where: { id: { in: [] }, }, }, selection: { $scalars: true }, } expect(parameterizeQuery(query)).toEqual({ arguments: { where: { id: { in: [] }, }, }, selection: { $scalars: true }, }) }) it('handles deeply nested empty structures', () => { const query = { arguments: { where: { AND: [{ OR: [] }, {}], }, }, selection: {}, } expect(parameterizeQuery(query)).toEqual({ arguments: { where: { AND: [{ OR: [] }, {}], }, }, selection: {}, }) }) it('handles query with no arguments', () => { const query = { selection: { $scalars: true }, } expect(parameterizeQuery(query)).toEqual({ selection: { $scalars: true }, }) }) it('handles query with empty arguments', () => { const query = { arguments: {}, selection: { $scalars: true }, } expect(parameterizeQuery(query)).toEqual({ arguments: {}, selection: { $scalars: true }, }) }) it('handles null at top level', () => { expect(parameterizeQuery(null)).toEqual(null) }) it('handles undefined at top level', () => { expect(parameterizeQuery(undefined)).toEqual(undefined) }) it('handles primitive at top level', () => { expect(parameterizeQuery('string')).toEqual(PARAM_PLACEHOLDER) expect(parameterizeQuery(123)).toEqual(PARAM_PLACEHOLDER) expect(parameterizeQuery(true)).toEqual(PARAM_PLACEHOLDER) }) it('handles array at top level', () => { expect(parameterizeQuery(['a', 'b', 'c'])).toEqual([PARAM_PLACEHOLDER, PARAM_PLACEHOLDER, PARAM_PLACEHOLDER]) }) it('handles mixed array with objects and primitives', () => { const query = { arguments: { where: { OR: [{ status: 'ACTIVE' }, 'literal', 123], }, }, selection: { $scalars: true }, } expect(parameterizeQuery(query)).toEqual({ arguments: { where: { OR: [{ status: PARAM_PLACEHOLDER }, PARAM_PLACEHOLDER, PARAM_PLACEHOLDER], }, }, selection: { $scalars: true }, }) }) it('handles very deeply nested structures', () => { const query = { arguments: { where: { AND: [ { OR: [ { NOT: { AND: [{ field: 'value' }], }, }, ], }, ], }, }, selection: { $scalars: true }, } expect(parameterizeQuery(query)).toEqual({ arguments: { where: { AND: [ { OR: [ { NOT: { AND: [{ field: PARAM_PLACEHOLDER }], }, }, ], }, ], }, }, selection: { $scalars: true }, }) }) })