Client - init utils methods needed for charts

fittrackee_client/tests/unit/utils/dates.spec.ts

@@ -0,0 +1,137 @@
+import { assert, expect } from 'chai'
+
+import { incrementDate, startDate } from '@/utils/dates'
+
+describe('startDate (week starting Sunday)', () => {
+  const testsParams = [
+    {
+      description: "returns start day for 'month' duration",
+      inputDuration: 'month',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'August 1, 2021 00:00:00',
+    },
+    {
+      description: "returns start day for 'week' duration",
+      inputDuration: 'week',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'August 15, 2021 00:00:00',
+    },
+    {
+      description: "returns start day for 'year' duration",
+      inputDuration: 'year',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'January 1, 2021 00:00:00',
+    },
+  ]
+
+  testsParams.map((testParams) =>
+    it(testParams.description, () => {
+      const day: Date = new Date(testParams.inputDate)
+      const expected: Date = new Date(testParams.expectedDate)
+      assert.deepEqual(
+        startDate(testParams.inputDuration, day, false),
+        expected
+      )
+    })
+  )
+})
+
+describe('startDate (week starting Monday)', () => {
+  const testsParams = [
+    {
+      description: "returns start day for 'month' duration",
+      inputDuration: 'month',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'August 1, 2021 00:00:00',
+    },
+    {
+      description: 'returns start day for week duration',
+      inputDuration: 'week',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'August 16, 2021 00:00:00',
+    },
+    {
+      description: "returns start day for 'year' duration",
+      inputDuration: 'year',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'January 1, 2021 00:00:00',
+    },
+  ]
+
+  testsParams.map((testParams) =>
+    it(testParams.description, () => {
+      const day: Date = new Date(testParams.inputDate)
+      const expected: Date = new Date(testParams.expectedDate)
+      assert.deepEqual(startDate(testParams.inputDuration, day, true), expected)
+    })
+  )
+})
+
+describe('startDate (week starting Monday)', () => {
+  it('it throws an exception if duration is invalid', () => {
+    const day: Date = new Date('August 21, 2021 20:00:00')
+    expect(() => startDate('invalid duration', day, true)).to.throw(
+      'Invalid duration, expected: "week", "month", "year", got: "invalid duration"'
+    )
+  })
+})
+
+describe('dateIncrement', () => {
+  const testsParams = [
+    {
+      description: "returns incremented day for 'month' duration",
+      inputDuration: 'month',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'September 21, 2021 20:00:00',
+    },
+    {
+      description: 'returns incremented day for week duration',
+      inputDuration: 'week',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'August 28, 2021 20:00:00',
+    },
+    {
+      description:
+        'returns incremented day for week duration (February w/ 28 days)',
+      inputDuration: 'week',
+      inputDate: 'February 22, 2021 20:00:00',
+      expectedDate: 'March 1, 2021 20:00:00',
+    },
+    {
+      description:
+        'returns incremented day for week duration (February w/ 29 days)',
+      inputDuration: 'week',
+      inputDate: 'February 22, 2020 20:00:00',
+      expectedDate: 'February 29, 2020 20:00:00',
+    },
+    {
+      description: "returns incremented day for 'year' duration",
+      inputDuration: 'year',
+      inputDate: 'August 21, 2021 20:00:00',
+      expectedDate: 'August 21, 2022 20:00:00',
+    },
+    {
+      description: "returns incremented day for 'year' duration (February, 29)",
+      inputDuration: 'year',
+      inputDate: 'February 29, 2020 20:00:00',
+      expectedDate: 'February 28, 2021 20:00:00',
+    },
+  ]
+
+  testsParams.map((testParams) =>
+    it(testParams.description, () => {
+      const day: Date = new Date(testParams.inputDate)
+      const expected: Date = new Date(testParams.expectedDate)
+      assert.deepEqual(incrementDate(testParams.inputDuration, day), expected)
+    })
+  )
+})
+
+describe('dateIncrement', () => {
+  it('it throws an exception if duration is invalid', () => {
+    const day: Date = new Date('August 21, 2021 20:00:00')
+    expect(() => incrementDate('invalid duration', day)).to.throw(
+      'Invalid duration, expected: "week", "month", "year", got: "invalid duration"'
+    )
+  })
+})