Foundations & Test First
Topics
- Foundations Overview
- Introduction to Learndot
- Test First JavaScript
Foundations Overview
- Required pre-work for Grace Hopper and Fullstack Academy Immersive Programs
- Designed to increase your knowledge in core concepts
- Weekly Assignments and Challenges with due dates
-
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Introduction to TestFirst
- Test First is one of the most important assignments in Foundations.
- How to get started?
-
Visit: https://github.com/FullstackAcademy/FullstackTestFirst
- If you don't have access, email foundations@fullstackacademy.com
- Fork the Repository.
- Clone the Forked Repository (the Repository on your Github Account) to your local machine.
- This keeps the Github repository private making your forked repository easier to review and grade!
-
Visit: https://github.com/FullstackAcademy/FullstackTestFirst
Test Driven Learning
- Test Driven learning is a lot like taking a test!
- If we asked you the question:
- Are you a Cat or Dog Person?
- 1. Interpret and read the question.
- 2. Create a response.
- 3. Submit the response.
-
What is "x" in the following equation:
- 5 + "x" = 9
- 1. Interpret and read the question.
- 2. Determine what "x" is based on the information provided in the question.
- 3. Submit your value for "x" and see if 5 + 4 = 9
- Are you a Cat or Dog Person?
Let's read a Test Spec
describe("First Day of Foundations", function(){
it('is a function object', function() {
expect(typeof firstDay).toEqual('function');
});
it('returns the string "first day"', function() {
expect(firstDay()).toEqual("first day");
});
});
Let's Solve our Test Spec
// FILE: first_day_specs.js NOTE - THIS LOADS AFTER
// the first_day.js file
describe("First Day of Foundations", function(){
it('is a function object', function() {
expect(typeof firstDay).toEqual('function');
});
it('returns the string "first day"', function() {
expect(firstDay()).toEqual("first day");
});
});
// FILE: first_day.js
function firstDay() {
return "first day";
}Jasmine
- Jasmine was created by Pivotal Labs
- It is the testing framework we'll use in Test First
- Documentation: http://jasmine.github.io/2.0/introduction.html
- Overall, it will provide us pre-defined functions that will help us test our code!
Jasmine Functions
describe("the title of the suite of test specs", function(){
it('name of spec', function(){
});
it('name of spec', function(){
});
it('name of spec', function(){
});
});- `describe` - encapsulates and names a set of test specs
- `it` - an individual test spec
Jasmine Functions
describe("the title of the suite of test specs", function(){
it("helloWorld return value", function(){
expect(helloWorld()).toEqual("Hello World");
});
it("myName variable", function(){
expect(myName).toEqual("Scott");
});
});-
`expect` - accepts a value to match.
- chained to a matcher
- `toEqual` is the matcher
- expect(someValue).toEqual(true);
Jasmine Functions
describe("the title of the suite of test specs", function(){
var total;
beforeEach(function() {
total = 2;
})
it("increase total by 1", function(){
total += increaseTotal();
expect(total).toEqual(3);
});
it("increase total by argument", function(){
total += increaseTotal(5);
expect(total).toEqual(8);
});
});-
`beforeEach` - a block of code that runs before every test spec ( `it` function).
- is useful for resetting values to default values
Let's take a look at some real test specs!
deck
By Scott D'Alessandro
