Unit-testing a functions php

Question

Im new with unit-testing, I know how to test a function that contains two variables inside the functions, like this example, it contains "$user_id" and "$mysqli".

function checkbrute($user_id, $mysqli) {
   ...............
    }

And my question is, how do i test a function that looks like this? A function with no variables inside the function, it only contains the mysqli connection.

 function login_check($mysqli) {
    .......
    }

Thanks!!

Aren't both examples the same thing? Does the first function use a return statement to return the value of the two overloads to the function? — Brian
– Brian, Commented May 27, 2013 at 18:22
both of them return something, for the first example i have written this testcase: $LessThanFive = checkbrute('5', $mysqli); $this->assertFalse($LessThanFive); 5 is the $user_id. and mysqli the db connection. — user2354898
– user2354898, Commented May 27, 2013 at 18:25
I dont know how to set up a testcase for the 2nd example, could you please help me — user2354898
– user2354898, Commented May 27, 2013 at 18:25
I can certainly try to help, yes. I think if you are testing the Sql connection, you should do a comparison then assert what you are expecting like you are currently doing with the $userid variable. — Brian
– Brian, Commented May 27, 2013 at 19:09

Stefano Mtangoo · Accepted Answer · 2013-05-27 19:25:45Z

1

Since you are passing in the $mysqli parameter as an overload to the function, wouldn't you be testing that connection object?

For example:

function login_check($mysqli) {    
    if ($mysqli == null)
       $this->AssertFalse($mysqli //there is no connection object);
    else
       $this->AssertTrue($mysqli //the connection string/object is what I am expecting);
    return $mysqli;
}

If you know what you are expecting in terms of the connection object, you basically just need to store it to a variable and compare the two.

edited May 27, 2013 at 19:25

Stefano Mtangoo

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answered May 27, 2013 at 19:12

Brian

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3 Comments

sybear Over a year ago

Ehh, just saying, you should know, that any function stops its execution after return statement. So you got to perform everything before return.

Brian Over a year ago

Oops, I meant to move that down. Thank you for correcting that.

user2354898 Over a year ago

no im not testing the mysqli connection, inside function "login_check" there is code and a if, its comparing the db password with the password that a person enteres in. How do i compare them ? the statement return true/false.

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