Data Types, Validation, Testing with Data

Data Types, Validation, Testing with Data

by BSN Computing

Multiple Select

In this lesson I am going to learn to ... ?

• Use primitive data types

• Define valid, invalid and boundary data

• Design test data

• Use test data to test code

Multiple Select

Which is an example of a composite (non primitive) data type in Python?

• int

• str

• float

• Bool

Multiple Choice

Which data type would you use for this data?

A car number plate (eg. PP-425-G)

• int

• float

• str

• bool

Multiple Choice

Which data type would you use for this data?

Number of employees on payroll

• int

• float

• str

• bool

Multiple Choice

Which data type would you use for this data?

Distance jumped by an athlete in a long jump

• int

• float

• str

• bool

Multiple Choice

Which data type would you use for this data?

If a household used more energy than in the previous month

• int

• float

• str

• bool

Multiple Choice

Which data type would you use for this data?

A mobile phone number (eg. 06 12345678)

• int

• float

• str

• bool

Multiple Select

What three types of test data should be used to test a program?

• Normal

• Erroneous

• Extreme

• Random

• Ordered

Multiple Choice

Which type of test data is this?

"Gandalf"

• Normal

• Erroneous

• Extreme

Multiple Choice

Which type of test data is this?

"Zed"

• Normal

• Erroneous

• Extreme

Multiple Choice

Which type of test data is this?

"Slartibartfast HHG2G"

• Normal

• Erroneous

• Extreme

Multiple Choice

Which type of test data is this?

"Al"

• Normal

• Erroneous

• Extreme

Multiple Choice

Which type of test data is this?

"Alexander Boris de Pfeffel Johnson"

• Normal

• Erroneous

• Extreme

Multiple Choice

Which type of test data is this?

14

• Normal

• Erroneous

• Extreme

Multiple Choice

Which type of test data is this?

0

• Normal

• Erroneous

• Extreme

Multiple Choice

Which type of test data is this?

"16"

• Normal

• Erroneous

• Extreme

Multiple Choice

Which type of test data is this?

121

• Normal

• Erroneous

• Extreme

Multiple Choice

Test data is mainly used to ...

• check if program works correctly

• waste the programmer's time

• check if program crashes

• make the program more complex

Multiple Choice

WHEN should test data be designed?

• Before running the program

• While the program is running

• After you have run the program

• Before the program is written

Multiple Choice

'Happy testing' is ...

• testing only what you know already works

• testing the program when you are in a good mood

• testing only with valid data

• testing which avoids invalid data

Multiple Choice

The best way to organise testing is by creating a test .... and to ...... the results

• plan

  log

• file

  analyse

• run

  save

• chart

  plot

Multiple Choice

Which is the best choice of column headings for a testing table?

Multiple Select

In this lesson I have learned to ...

• Use data types

• Define types of test data

• Design test data

• Test code using test data

Open Ended

Thinking Hard

Write your own exam question based on today’s lessons.

Answer it.

(press Shift+Enter to take a new line ...)

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it