repeat

Class: matlab.mock.actions.AssignOutputs
Namespace: matlab.mock.actions

Repeat defining return values

Syntax

repeat(action,n)


Description

repeat(action,n) repeats the same action n times. You can specify the input arguments in any order. That is, repeat(action,n) and repeat(n,action) both repeat the action n times.

Input Arguments

action — Defined action

instance of matlab.mock.actions.AssignOutputs

Defined action, specified as an instance of matlab.mock.actions.AssignOutputs.

Example: action = AssignOutputs(true)

Example: action = AssignOutputs(7,13,42)

n — Number of times to repeat action

integer

Number of times to repeat the action, specified as an integer.

Example: 5

Examples

Assign Repeating Outputs to Mock

Create a mock for a bank account class.

testCase = matlab.mock.TestCase.forInteractiveUse;
[mock,behavior] = testCase.createMock('AddedMethods',"isOpen");

Specify behavior.

import matlab.mock.actions.AssignOutputs
when(withExactInputs(behavior.isOpen), ...
    AssignOutputs(true).repeat(2).then(AssignOutputs(false)))

Use the mock.

for i = 1:3
    isAccountOpen = mock.isOpen
end

isAccountOpen = logical
   1

isAccountOpen = logical
   1

isAccountOpen = logical
   0

Tips

• If you repeat an action, and do not follow it with a call to the then method, the mock continues to return the repeated value. For example, consider the following mock of a bank account class.

  import matlab.mock.actions.AssignOutputs
  testCase = matlab.mock.TestCase.forInteractiveUse;
  [mock,behavior] = testCase.createMock('AddedProperties',"IsJointAccount");

  If you repeat an action to return a property value of true twice, the following code, which goes on to get the property value a third and fourth time, returns true all four times.

  when(get(behavior.IsJointAccount),AssignOutputs(true).repeat(2))
  for i = 1:4
      tf = mock.IsJointAccount
  end
  

  But the following code returns true twice and false twice.

  when(get(behavior.IsJointAccount), ...
      AssignOutputs(true).repeat(2).then(AssignOutputs(false)))
  for i = 1:4
      tf = mock.IsJointAccount
  end

Version History

Introduced in R2017a