← ACARA Digital Technologies Years 9–10

Test table layout

A table with one row per test case. Its columns are test number, purpose, input, expected result, actual result and pass or fail.

Part of: ACARA Digital Technologies Years 9–10 — Testing and Validating Programs — Module 50, QCE Digital Solutions Unit 1 — Programmed Solutions — Module 63, QCE Digital Solutions Unit 2 — Prototype Data Solutions — Module 96, QCE Digital Solutions Unit 3 — Innovative Digital Solutions — Module 69, QCE Digital Solutions Unit 4 — Prototype Digital Data Exchanges — Module 125, WA Computer Science ATAR Year 11 — Pseudocode and Algorithm Design — Module 87, WA Computer Science ATAR Year 11 — Control Structures and Data Types — Module 82, WA Computer Science ATAR Year 11 — Modular Programming — Module 51

Understanding Test table layout in ACARA Digital Technologies Years 9–10

What it does: Input and expected result are planned in advance. They show what you will enter and what the program should do. The actual result is filled in after running the code. Pass or fail comes from comparing it with the expected result. A test table has one row per test case. Each test gets its own row so you can see every result. A test table records what you test, what you put in, what should happen, what did happen and the verdict.

Common mistakes: The purpose column holds a text description, so it must be a string in quotes: purpose = "Normal value". Without quotes Python reads it as code and fails. Every row needs the same columns. This row has no expected result, so it doesn't line up with the others. It should be (3, "Abnormal", -1, "Err").

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This module's key terms are also in a printable crossword (Modules 536–590) and word search (Modules 536–622).

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Learning

Duo

A test table has one row for each what?

Line of codeTest case

Matches

↓

Two tests are squeezed into one row. A test table needs one row per test, so this should be split into two rows (test 1 with input 50 and test 2 with input 100).

Applying

Meanings

Term

test table

Meaning

A table with one row per test case. Its columns are test number, purpose, input, expected result, actual result and pass or fail.

Practice

Testing

Gaps

row = {"test": 1, "": "Normal mark"}

Check Answer

Spots

1test_no = 1

2purpose = Normal value

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Quick Questions

1. A test table has one row for each what?

A. Test case ✓

B. Line of code

A test table has one row per test case. Each test gets its own row so you can see every result.

2. Which set of columns belongs in a test table?

A. Test number, purpose, input, expected result, actual result, pass/fail ✓

B. Variable name, data type, loop count, line number, author

A test table records what you test, what you put in, what should happen, what did happen and the verdict.

3. Which column says WHY you are running the test, such as 'check the lowest allowed mark'?

A. Purpose ✓

B. Actual result

The purpose column explains what the test is checking. The actual result only records what the program did.

4. Where do you write the answer you predicted BEFORE running the program?

A. Actual result column

B. Expected result column ✓

The expected result is worked out first from the requirements. The actual result is filled in after the run.

5. A tester runs a program and sees it print 12. Which column do they write 12 in?

A. Expected result

B. Actual result ✓

What the program really produces goes in the actual result column.

Match the Pairs

The input and expected result columns hold what you plan to test, decided before running the program → Input: 18 | Expected: Accepted

The actual result and pass/fail columns record what really happened when the test was run → Actual: Rejected | Result: Fail

Key Term

test table

A table with one row per test case. Its columns are test number, purpose, input, expected result, actual result and pass or fail.

Fill in the Blanks

1. row = {"test": 1, "purpose": "Normal mark"}

Hint: Type the column name that explains why the test is being run.

2. row = {"input": 85, "expected": "Pass"}

Hint: Type the column name for what the program should produce, worked out before running.

3. row = {"expected": 5, "actual": 5}

Hint: Type the column name for what the program really produced when it was run.

4. if actual == expected: print("PASS")

Hint: Type the operator that checks whether the two results are equal, so the test passes.

5. tests = [(1, 50), (2, 0), (3, 100)] rows = len(tests) print(rows)

Hint: Type the function that counts the items in the list, since each test gets one row.

Spot the Error

Question 1

A test_no = 1

B purpose = Normal value

C test_input = 5

D expected = 10

E actual = 10

Line B — The purpose column holds a text description, so it must be a string in quotes: purpose = "Normal value". Without quotes Python reads it as code and fails.

Question 2

A tests = [

B (1, "Normal", 5, 10),

C (2, "Boundary", 0, 0),

D (3, "Abnormal", -1),

E ]

Line D — Every row needs the same columns. This row has no expected result, so it doesn't line up with the others. It should be (3, "Abnormal", -1, "Err").

Question 3

A ps = ["Normal", "Edge"]

B for n, p in enumerate(ps):

C print(n, p)

Line B — enumerate starts counting at 0 by default. Test numbers in a test table start at 1, so the line should be enumerate(ps, 1).

Question 4

A expected = 10

B actual = 10

C if actual != expected:

D result = "PASS"

E else:

F result = "FAIL"

Line C — A test passes when the actual result matches the expected result. Using != marks matching results as PASS and different ones as FAIL. It should be ==.

Question 5

A table = []

B table.append((1, "Normal", 5))

C table.append((2, "Edge", 0))

D table.append((2, "Bad", -1))

E print(len(table))

Line D — Each test gets its own row with its own test number. Number 2 is used twice, so the third test is not numbered 3. The row should start with 3.

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