feat(tests): Add missing test cases for date.ts

This increases the code coverage of `date.ts` to 100%.

Signed-off-by: Ferdinand Thiessen <rpm@fthiessen.de>

tests/date.test.ts

@@ -0,0 +1,111 @@
+/// <reference types="@nextcloud/typings" />
+declare var window: Nextcloud.v24.WindowWithGlobals
+
+import { getDayNames, getDayNamesMin, getDayNamesShort, getFirstDay, getMonthNames, getMonthNamesShort } from '../lib/date'
+
+describe('date', () => {
+    const orginalWarn = console.warn
+
+    afterAll(() => {
+        console.warn = orginalWarn
+    })
+    beforeEach(() => {
+        console.warn = jest.fn()
+    })
+
+    describe('getFirstDay', () => {
+        // @ts-ignore
+        afterAll(() => { delete window.firstDay })
+
+        it('works without `OC`', () => {
+            expect(getFirstDay()).toBe(1)
+            // Warning as fallback is being used
+            expect(console.warn).toBeCalled()
+        })
+
+        it('works with `OC`', () => {
+            window.firstDay = 3
+            expect(getFirstDay()).toBe(3)
+        })
+    })
+
+    describe('getDayNames', () => {
+        // @ts-ignore
+        afterAll(() => { delete window.dayNames })
+
+        it('works without `OC`', () => {
+            expect(getDayNames().length).toBe(7)
+            // Warning as fallback is being used
+            expect(console.warn).toBeCalled()
+        })
+
+        it('works with `OC`', () => {
+            window.dayNames = 'a'.repeat(7).split('')
+            expect(getDayNames()).toBe(window.dayNames)
+        })
+    })
+
+    describe('getDayNamesShort', () => {
+        // @ts-ignore
+        afterAll(() => { delete window.dayNamesShort })
+
+        it('works without `OC`', () => {
+            expect(getDayNamesShort().length).toBe(7)
+            // Warning as fallback is being used
+            expect(console.warn).toBeCalled()
+        })
+
+        it('works with `OC`', () => {
+            window.dayNamesShort = 'b'.repeat(7).split('')
+            expect(getDayNamesShort()).toBe(window.dayNamesShort)
+        })
+    })
+
+    describe('getDayNamesMin', () => {
+        // @ts-ignore
+        afterAll(() => { delete window.dayNamesMin })
+
+        it('works without `OC`', () => {
+            expect(getDayNamesMin().length).toBe(7)
+            // Warning as fallback is being used
+            expect(console.warn).toBeCalled()
+        })
+
+        it('works with `OC`', () => {
+            window.dayNamesMin = 'c'.repeat(7).split('')
+            expect(getDayNamesMin()).toBe(window.dayNamesMin)
+        })
+    })
+
+    describe('getMonthNames', () => {
+        // @ts-ignore
+        afterAll(() => { delete window.monthNames })
+
+        it('works without `OC`', () => {
+            expect(getMonthNames().length).toBe(12)
+            // Warning as fallback is being used
+            expect(console.warn).toBeCalled()
+        })
+
+        it('works with `OC`', () => {
+            window.monthNames = 'd'.repeat(12).split('')
+            expect(getMonthNames()).toBe(window.monthNames)
+        })
+    })
+
+    describe('getMonthNamesShort', () => {
+        // @ts-ignore
+        afterAll(() => { delete window.monthNamesShort })
+
+        it('works without `OC`', () => {
+            expect(getMonthNamesShort().length).toBe(12)
+            // Warning as fallback is being used
+            expect(console.warn).toBeCalled()
+        })
+
+        it('works with `OC`', () => {
+            window.monthNamesShort = 'e'.repeat(12).split('')
+            expect(getMonthNamesShort()).toBe(window.monthNamesShort)
+        })
+    })
+})

tests/index.test.js

@@ -84,27 +84,3 @@ describe('getCanonicalLocale', () => {
         expect(getCanonicalLocale()).toEqual('de-DE')
     })
 })
-
-test('getFirstDay', () => {
-    expect(getFirstDay()).toBe(1)
-})
-
-test('getDayNames', () => {
-    expect(getDayNames().length).toBe(7)
-})
-
-test('getDayNamesShort', () => {
-    expect(getDayNamesShort().length).toBe(7)
-})
-
-test('getDayNamesMin', () => {
-    expect(getDayNamesMin().length).toBe(7)
-})
-
-test('getMonthNames', () => {
-    expect(getMonthNames().length).toBe(12)
-})
-
-test('getMonthNamesShort', () => {
-    expect(getMonthNamesShort().length).toBe(12)
-})