Jaikiran,

your code allowed for false positives, too

Gintas

On Wed, 15 Aug 2018 at 09:11, Gintautas Grigelionis <g.grigelio...@gmail.com>
wrote:

> I believe we discussed writing tests before. It is not a matter of style,
> but of keeping assumptions and assertions explicit.
> You replaced a JUnit 4 assertion with some code that works, but is far
> from being clear.
> There is a reason why JUnit provides specialised assert... methods and you
> could have at least used assertEquals()
> on exception message rather than rethrowing it. That would have been
> helpful in eventual migration to JUnit 5, too.
>
> Gintas
>
> On Wed, 15 Aug 2018 at 03:14, Jaikiran Pai <jaiki...@apache.org> wrote:
>
>> Gintas,
>>
>>
>> On 14/08/18 10:14 PM, gin...@apache.org wrote:
>> >
>> http://git-wip-us.apache.org/repos/asf/ant/blob/e648224f/src/tests/junit/org/apache/tools/ant/taskdefs/email/EmailTaskTest.java
>> > ----------------------------------------------------------------------
>> > diff --git
>> a/src/tests/junit/org/apache/tools/ant/taskdefs/email/EmailTaskTest.java
>> b/src/tests/junit/org/apache/tools/ant/taskdefs/email/EmailTaskTest.java
>> > index a77fc92..0d0c36a 100644
>> > ---
>> a/src/tests/junit/org/apache/tools/ant/taskdefs/email/EmailTaskTest.java
>> > +++
>> b/src/tests/junit/org/apache/tools/ant/taskdefs/email/EmailTaskTest.java
>> > @@ -25,6 +25,7 @@ import org.junit.Assert;
>> >  import org.junit.Before;
>> >  import org.junit.Rule;
>> >  import org.junit.Test;
>> > +import org.junit.rules.ExpectedException;
>> >
>> >  /**
>> >   * TODO : develop these testcases - the email task needs to have
>> attributes allowing
>> > @@ -35,6 +36,9 @@ public class EmailTaskTest {
>> >      @Rule
>> >      public BuildFileRule buildRule = new BuildFileRule();
>> >
>> > +    @Rule
>> > +    public ExpectedException thrown = ExpectedException.none();
>> > +
>> >      @Before
>> >      public void setUp() {
>> >
>> buildRule.configureProject("src/etc/testcases/taskdefs/email/mail.xml");
>> > @@ -45,14 +49,9 @@ public class EmailTaskTest {
>> >       */
>> >      @Test
>> >      public void test1() {
>> > -        try {
>> > -            buildRule.executeTarget("test1");
>> > -        } catch (BuildException e) {
>> > -            // assert it's the expected one
>> > -            if (!e.getMessage().equals("SMTP auth only possible with
>> MIME mail")) {
>> > -                throw e;
>> > -            }
>> > -        }
>> > +        thrown.expect(BuildException.class);
>> > +        thrown.expectMessage("SMTP auth only possible with MIME mail");
>> > +        buildRule.executeTarget("test1");
>> >      }
>> >
>> >      /**
>> > @@ -60,14 +59,9 @@ public class EmailTaskTest {
>> >       */
>> >      @Test
>> >      public void test2() {
>> > -        try {
>> > -            buildRule.executeTarget("test2");
>> > -        } catch (BuildException e) {
>> > -            // assert it's the expected one
>> > -            if (!e.getMessage().equals("SSL and STARTTLS only possible
>> with MIME mail")) {
>> > -                throw e;
>> > -            }
>> > -        }
>> > +        thrown.expect(BuildException.class);
>> > +        thrown.expectMessage("SSL and STARTTLS only possible with MIME
>> mail");
>> > +        buildRule.executeTarget("test2");
>> >      }
>> >
>> >      /**
>>
>> Could you tell me what was technically wrong with the way I had
>> committed it yesterday and why you felt that it had to be changed into
>> this form?
>>
>> When I looked into this test during the last couple of days, I realized
>> they weren't functional and were broken. So I fixed them and used a
>> particular coding style that I am comfortable with. I am not a fan of
>> using the @Rule based expected exceptions which are stored as member
>> variables in the class and which then have to be setup before the actual
>> testing happens. To me the try/catch block is much more intuitive and
>> gives me more control as well as a better read of what the test case
>> expects. Keeping that detail aside, I decided to use a particular coding
>> style that I was comfortable with when adding that code. The tests are
>> working fine. So what was the need to override that commit with a coding
>> style change? Is this how you are going to continue with your future
>> commits?
>>
>> -Jaikiran
>>
>>
>>
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