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London | 26-ITP-May | Mandip Sanger | Sprint 3 | Todo list #1436

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London | 26-ITP-May | Mandip Sanger | Sprint 3 | Todo list #1436

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6 changes: 3 additions & 3 deletions Sprint-3/todo-list/todos.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,14 +16,14 @@ export function addTask(todos, task, completed = false) {

// Delete todos[taskIndex] if it exists
export function deleteTask(todos, taskIndex) {
if (todos[taskIndex]) {
if (taskIndex >= 0 && taskIndex < todos.length) {
todos.splice(taskIndex, 1);
}
}

// Toggle the "completed" property of todos[taskIndex] if the task exists.
export function toggleCompletedOnTask(todos, taskIndex) {
if (todos[taskIndex]) {
if (taskIndex >= 0 && taskIndex < todos.length) {
todos[taskIndex].completed = !todos[taskIndex].completed;
}
}
}
17 changes: 6 additions & 11 deletions Sprint-3/todo-list/todos.test.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ function createMockTodos() {
{ task: "Task 1 description", completed: true },
{ task: "Task 2 description", completed: false },
{ task: "Task 3 description", completed: true },
{ task: "Task 4 description", completed: false },
{ task: "Task 4 description", completed: false },
];
}

Expand All @@ -29,7 +29,6 @@ describe("addTask()", () => {
});

test("Should append a new task to the end of a ToDo list", () => {

const todos = createMockTodos();
const lengthBeforeAddition = todos.length;
Todos.addTask(todos, theTask.task, theTask.completed);
Expand All @@ -42,7 +41,6 @@ describe("addTask()", () => {
});

describe("deleteTask()", () => {

test("Delete the first task", () => {
const todos = createMockTodos();
const todosBeforeDeletion = createMockTodos();
Expand All @@ -53,7 +51,7 @@ describe("deleteTask()", () => {

expect(todos[0]).toEqual(todosBeforeDeletion[1]);
expect(todos[1]).toEqual(todosBeforeDeletion[2]);
expect(todos[2]).toEqual(todosBeforeDeletion[3]);
expect(todos[2]).toEqual(todosBeforeDeletion[3]);
});

test("Delete the second task (a middle task)", () => {
Expand All @@ -66,7 +64,7 @@ describe("deleteTask()", () => {

expect(todos[0]).toEqual(todosBeforeDeletion[0]);
expect(todos[1]).toEqual(todosBeforeDeletion[2]);
expect(todos[2]).toEqual(todosBeforeDeletion[3]);
expect(todos[2]).toEqual(todosBeforeDeletion[3]);
});

test("Delete the last task", () => {
Expand All @@ -79,7 +77,7 @@ describe("deleteTask()", () => {

expect(todos[0]).toEqual(todosBeforeDeletion[0]);
expect(todos[1]).toEqual(todosBeforeDeletion[1]);
expect(todos[2]).toEqual(todosBeforeDeletion[2]);
expect(todos[2]).toEqual(todosBeforeDeletion[2]);
});

test("Delete a non-existing task", () => {
Expand All @@ -94,7 +92,6 @@ describe("deleteTask()", () => {
});

describe("toggleCompletedOnTask()", () => {

test("Expect the 'completed' property to toggle on an existing task", () => {
const todos = createMockTodos();
const taskIndex = 1;
Expand All @@ -111,13 +108,12 @@ describe("toggleCompletedOnTask()", () => {
const todos = createMockTodos();
const todosBeforeToggle = createMockTodos();
Todos.toggleCompletedOnTask(todos, 1);
expect(todos[0]).toEqual(todosBeforeToggle[0]);

expect(todos[0]).toEqual(todosBeforeToggle[0]);
expect(todos[2]).toEqual(todosBeforeToggle[2]);
expect(todos[3]).toEqual(todosBeforeToggle[3]);
});


test("Expect no change when toggling on a non-existing task", () => {
const todos = createMockTodos();
const todosBeforeToggle = createMockTodos();
Expand All @@ -129,4 +125,3 @@ describe("toggleCompletedOnTask()", () => {
expect(todos).toEqual(todosBeforeToggle);
});
});

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