2 Getting started with testing

Question 1

How to you declare a test?

Answer 1

Write a function that begins with a Test prefix and takes a testing.T parameter.

func TestName(t *testing.T) {
}

Question 2

Test source files have what suffix?

Answer 2

A test file ends with a _test.go suffix.

Question 3

What function logs a message to test output?

Answer 3

t.Log(args ...any)

Question 4

What function logs a formatted message to the test output?

Answer 4

t.Logf(format string, args ...any)

Question 5

What function marks a test as failed, but the test keeps running?

Answer 5

t.Fail()

Question 6

What 3 phases can a test be written with?

Answer 6

Arrange
Act
Assert

Question 7

How to create a simple error?

Answer 7

errors.New(“an error occurred”)

Question 8

What function stops a test executing immediately?

Answer 8

t.FailNow()

Question 9

What function is equivalent to Log and FailNow?

Answer 9

t.Fatal(args ...any)

Question 10

What function is equivalent to Logf and FailNow?

Answer 10

t.Fatalf(format string, args ...any)

Question 11

What type can represent any type?

Answer 11

any

Question 12

What parameter indicates a function accepts a variable number of arguments of any type?

Answer 12

...any

Question 13

What function is equivalent to Log and Fail methods?

Answer 13

t.Error(args ...any)

Question 14

What function is equivalent to Logf and Fail methods?

Answer 14

t.Errorf(format string, args ...any)

Question 15

What is the most commonly used naming convention for testing in Go?

Answer 15

got-want

Question 16

In the testing package what belongs to a single Goroutine?

Answer 16

A panic and each test has it’s own Goroutine.