1
00:00:00,239 --> 00:00:06,629
The final rule to add to our convert
method is words that start with a vowel.

2
00:00:06,629 --> 00:00:10,699
These words do not have
any letters moved around.

3
00:00:10,699 --> 00:00:14,390
They just add the string ay to the end.

4
00:00:14,390 --> 00:00:16,760
We can duplicate one of our other tests.

5
00:00:20,190 --> 00:00:29,239
And we'll change the name to
convertStartingVowelWordToPigLatin().

6
00:00:29,239 --> 00:00:32,789
We'll need a new word
that starts with a vowel.

7
00:00:32,789 --> 00:00:35,079
How about unit?

8
00:00:35,079 --> 00:00:40,920
Our expected results will be unitay,

9
00:00:40,920 --> 00:00:44,029
and we run our code.

10
00:00:44,029 --> 00:00:46,789
The force test fails as expected.

11
00:00:46,789 --> 00:00:50,505
By looking at the results,
we can see that the convert

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00:00:50,505 --> 00:00:54,480
method is moving the first
letter U to the end of the word.

13
00:00:54,480 --> 00:00:59,619
Why don't you give it a try and
see if you can make the last test pass.

14
00:00:59,619 --> 00:01:03,770
You can approach this in the same way
as we did the consonant clusters.

15
00:01:03,770 --> 00:01:10,025
This time using the vowels A,
E, I, O, and U.

16
00:01:10,025 --> 00:01:13,965
Test-driven development can seem
overwhelming when you're first getting

17
00:01:13,965 --> 00:01:15,182
started with testing.

18
00:01:15,182 --> 00:01:19,861
And if you already have an application,
it's not really feasible.

19
00:01:19,861 --> 00:01:23,209
You don't need to take an all or
nothing approach.

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00:01:23,209 --> 00:01:25,870
One test is better than no test.

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00:01:25,870 --> 00:01:29,699
And each method that you test
leaves your code better and

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00:01:29,699 --> 00:01:32,231
more documented than it was before.

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00:01:32,231 --> 00:01:37,520
You can add additional tests while you're
fixing bugs or adding new features.

24
00:01:37,520 --> 00:01:38,943
In the next section,

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00:01:38,943 --> 00:01:43,300
we'll look at how we can use PHP
unit to test an existing project.