Tests for min max age check

backend/src/api-tests/locality/contradictory_loc.test.ts

@@ -0,0 +1,37 @@
+import { beforeEach, describe, it, expect } from '@jest/globals'
+import { LocalityDetailsType } from '../../../../frontend/src/backendTypes'
+import { editedLocality, newLocalityBasis } from './data'
+import { login, send } from '../utils'
+
+describe('Min and max age checks work', () => {
+  beforeEach(async () => {
+    await login()
+  })
+
+  it('Creating a locality with contradictory min and max ages does not work', async () => {
+    const locality = newLocalityBasis
+    locality.min_age = 10
+    locality.max_age = 9
+    const { status: putReqStatus } = await send<{ id: number }>('locality', 'PUT', {
+      locality: locality,
+    })
+
+    expect(putReqStatus).toEqual(400)
+
+    const { body: getReqBody, status: getReqStatus } = await send<LocalityDetailsType>(`locality/all`, 'GET')
+    expect(getReqStatus).toEqual(200)
+    expect(getReqBody).not.toContain(newLocalityBasis)
+  })
+
+  it('Editing a locality with contradictory min and max ages does not work', async () => {
+    const locality = editedLocality
+    // @ts-expect-error: min age property is not implied to exist in locality
+    locality.min_age = 10
+    // @ts-expect-error: max age property is not implied to exist in locality
+    locality.max_age = 9
+    const writeResult = await send<{ id: number }>('locality', 'PUT', { locality: locality })
+
+    expect(writeResult.status).toEqual(400)
+    expect(writeResult.body).toEqual({})
+  })
+})