add tests from @sverhoeven's testing branch

Author: fdiblen

README.dev.md

@@ -58,9 +58,9 @@ To run linting on commit, you can install a git commit hook with
 npx husky install
 ```
 
-## tests
+## Tests
 
-We use Jest for unit tests.
+We use Jest for unit tests. To run unit tests (`src/**/*.jest.spec.ts`)
 
 You can run the test with
 

src/pages/Start.jest.spec.ts

@@ -0,0 +1,21 @@
+import { beforeEach, describe, expect, it } from '@jest/globals'
+import { installQuasarPlugin } from '@quasar/quasar-app-extension-testing-unit-jest'
+import { shallowMount, VueWrapper } from '@vue/test-utils'
+
+import Start from './Start.vue'
+
+// Specify here Quasar config you'll need to test your component
+installQuasarPlugin()
+
+describe('Start', () => {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    let wrapper: VueWrapper<any>
+
+    beforeEach(() => {
+        wrapper = shallowMount(Start)
+    })
+
+    it('should mount without errors', () => {
+        expect(wrapper).toBeTruthy()
+    })
+})

src/store/step.jest.spec.ts

@@ -0,0 +1,51 @@
+import { beforeEach, describe, expect, it } from '@jest/globals'
+import * as vue from 'vue'
+import { useStep } from './step'
+
+describe('useStep', () => {
+    let step: {
+    step: vue.ComputedRef<number>;
+    next: () => void;
+    previous: () => void;
+    goto: (newStep: number) => void;
+ }
+
+    beforeEach(() => {
+        step = useStep()
+        step.goto(1) // poor mans reset
+    })
+
+    it('should have initial value of 1', () => {
+        expect(step.step.value).toEqual(1)
+    })
+
+    describe('after next() call', () => {
+        beforeEach(() => {
+            step.next()
+        })
+
+        it('should have value of 2', () => {
+            expect(step.step.value).toEqual(2)
+        })
+
+        describe('after next() call', () => {
+            beforeEach(() => {
+                step.next()
+            })
+
+            it('should have value of 3', () => {
+                expect(step.step.value).toEqual(3)
+            })
+        })
+
+        describe('after previous() call', () => {
+            beforeEach(() => {
+                step.previous()
+            })
+
+            it('should have value of 1', () => {
+                expect(step.step.value).toEqual(1)
+            })
+        })
+    })
+})