feat : ajout d'un sélecteur "Tout cocher" dans le composant SelectCheckbox

app/components/malio/SelectCheckbox.test.ts

@@ -23,6 +23,8 @@ type SelectCheckboxProps = {
   textLabel?: string
   rounded?: string
   displayTag?: boolean
+  displaySelectAll?: boolean
+  selectAllLabel?: string
   disabled?: boolean
 }
 
@@ -92,4 +94,85 @@ describe('MalioSelectCheckbox', () => {
     expect(wrapper.text()).not.toContain('0/3')
     expect(wrapper.text()).toContain('Aucune selection')
   })
+
+  it('does not show select all checkbox by default', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: [], options},
+    })
+
+    await wrapper.get('button').trigger('click')
+
+    const checkboxes = wrapper.findAll('input[type="checkbox"]')
+    expect(checkboxes).toHaveLength(options.length)
+  })
+
+  it('shows select all checkbox when displaySelectAll is true', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: [], options, displaySelectAll: true},
+    })
+
+    await wrapper.get('button').trigger('click')
+
+    const checkboxes = wrapper.findAll('input[type="checkbox"]')
+    expect(checkboxes).toHaveLength(options.length + 1)
+    expect(wrapper.text()).toContain('Tout sélectionner')
+  })
+
+  it('shows custom select all label', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: [], options, displaySelectAll: true, selectAllLabel: 'Sélectionner tout'},
+    })
+
+    await wrapper.get('button').trigger('click')
+
+    expect(wrapper.text()).toContain('Sélectionner tout')
+  })
+
+  it('emits all values when select all is clicked and none selected', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: [], options, displaySelectAll: true},
+    })
+
+    await wrapper.get('button').trigger('click')
+
+    const checkboxes = wrapper.findAll('input[type="checkbox"]')
+    await checkboxes[0].setValue(true)
+
+    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual([['fr', 'be', 'ca']])
+  })
+
+  it('emits empty array when select all is clicked and all selected', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: ['fr', 'be', 'ca'], options, displaySelectAll: true},
+    })
+
+    await wrapper.get('button').trigger('click')
+
+    const checkboxes = wrapper.findAll('input[type="checkbox"]')
+    await checkboxes[0].setValue(false)
+
+    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual([[]])
+  })
+
+  it('select all checkbox is checked when all options are selected', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: ['fr', 'be', 'ca'], options, displaySelectAll: true},
+    })
+
+    await wrapper.get('button').trigger('click')
+
+    const checkboxes = wrapper.findAll('input[type="checkbox"]')
+    expect((checkboxes[0].element as HTMLInputElement).checked).toBe(true)
+  })
+
+  it('select all checkbox is unchecked when not all options are selected', async () => {
+    const wrapper = mount(SelectCheckboxForTest, {
+      props: {modelValue: ['fr'], options, displaySelectAll: true},
+    })
+
+    await wrapper.get('button').trigger('click')
+
+    const checkboxes = wrapper.findAll('input[type="checkbox"]')
+    expect((checkboxes[0].element as HTMLInputElement).checked).toBe(false)
+  })
 })