test work in progress

src/data/entries.test.ts

@@ -0,0 +1,56 @@
+import { expect, it } from "vitest"
+import { describe } from "vitest"
+import { faker } from '@faker-js/faker'
+import { parseFromPossibleString } from "./entries"
+import moment from "moment"
+
+
+describe('function for managing entries data entity', () => {
+	function generateList<E>(length: number, generate: () => E) {
+		const arr: Array<E> = []
+
+		for (let i = 0; i < length; i++) {
+			arr.push(generate());
+		}
+
+		return arr;
+	}
+
+	function generateListWithWrongDate() {
+		return generateList(10, () => <any>{
+			name: faker.word.noun(),
+			text: faker.lorem.paragraph(),
+			last_reset: faker.word.sample()
+		})
+	}
+
+	function generateListWithNoName() {
+		return generateList(10, () => <any>{
+			text: faker.lorem.paragraph(),
+			last_reset: moment()
+		})
+	}
+
+	function generateListWithCorrectData() {
+		return generateList(10, () => <any>{
+			name: faker.word.noun(),
+			text: faker.lorem.paragraph(),
+			last_reset: moment()
+		})
+	}
+
+	it('fails to parse localstorage string because of wrong date', () => {
+		const data = generateListWithWrongDate()
+		expect(parseFromPossibleString(JSON.stringify(data)).length).toBe(0)
+	})
+
+	it('fails to parse localstorage string because no name was parsed', () => {
+		const data = generateListWithNoName()
+		expect(parseFromPossibleString(JSON.stringify(data)).length).toBe(0)
+	})
+
+	it('succeeds to parse localstorage string witht he correct data', () => {
+		const data = generateListWithCorrectData()
+		expect(parseFromPossibleString(JSON.stringify(data)).length).toBe(10)
+	})
+})