[UnitTests] Add studentNumberFilter tests

services/frontend/tests/unit/filters/studentNumber.test.ts

@@ -0,0 +1,53 @@
+import { assert, describe, it } from 'vitest'
+
+import { studentNumberFilter } from '@/components/FilterView/filters/studentNumber'
+import { FormattedStudent } from '@oodikone/shared/types/studentData'
+
+import { createStudent } from './helpers'
+
+const filterStudent = (student: FormattedStudent, options: { allowlist: string[]; blocklist: string[] }) =>
+  studentNumberFilter().filter(student, { args: undefined, options, precomputed: undefined })
+
+void describe('studentNumberFilter', () => {
+  void it('should pass every student when allowlist and blocklist are empty', () => {
+    const student = createStudent({ studentNumber: '111111111' })
+
+    assert.strictEqual(filterStudent(student, { allowlist: [], blocklist: [] }), true)
+  })
+
+  void it('should only pass students on the allowlist', () => {
+    const allowedStudent = createStudent({ studentNumber: '111111111' })
+    const otherStudent = createStudent({ studentNumber: '222222222' })
+
+    assert.strictEqual(filterStudent(allowedStudent, { allowlist: ['111111111'], blocklist: [] }), true)
+    assert.strictEqual(filterStudent(otherStudent, { allowlist: ['111111111'], blocklist: [] }), false)
+  })
+
+  void it('should exclude students on the blocklist', () => {
+    const blockedStudent = createStudent({ studentNumber: '111111111' })
+    const otherStudent = createStudent({ studentNumber: '222222222' })
+
+    assert.strictEqual(filterStudent(blockedStudent, { allowlist: [], blocklist: ['111111111'] }), false)
+    assert.strictEqual(filterStudent(otherStudent, { allowlist: [], blocklist: ['111111111'] }), true)
+  })
+
+  void it('should include students on the allowlist not on the blocklist', () => {
+    const lists = { allowlist: ['111111111', '222222222'], blocklist: ['111111111'] }
+
+    const blockedStudent = createStudent({ studentNumber: '111111111' })
+    const allowedStudent = createStudent({ studentNumber: '222222222' })
+
+    assert.strictEqual(filterStudent(blockedStudent, lists), false)
+    assert.strictEqual(filterStudent(allowedStudent, lists), true)
+  })
+
+  void it('isActive should match the filter state', () => {
+    assert.strictEqual(studentNumberFilter().isActive({ allowlist: [], blocklist: [] }, undefined), false)
+    assert.strictEqual(studentNumberFilter().isActive({ allowlist: ['111111111'], blocklist: [] }, undefined), true)
+    assert.strictEqual(studentNumberFilter().isActive({ allowlist: [], blocklist: ['111111111'] }, undefined), true)
+    assert.strictEqual(
+      studentNumberFilter().isActive({ allowlist: ['111111111'], blocklist: ['111111111'] }, undefined),
+      true
+    )
+  })
+})