I'm getting incorrect coverage information for a lambda used in a
TestNG/AssertJ test. The EclEmma/JaCoCoo version is one I just installed from
http://download.eclipselab.org/eclemma/trunk/update into Eclipse 4.5 - EclEmma
2.3.3.201509111100, JaCoCo 0.7.5.201505241946. TestNG 6.9.6, AssertJ 3.1.0.
Here's the test code:
package com.bakins_bits;
import org.testng.annotations.Test;
import static org.assertj.core.api.Assertions.*;
@Test(enabled = true)
public class TestPlaypen
{
public void coverage_with_EclEmma_and_lambdas_and_AssertJ_helper() {
String s = "abcd".toUpperCase();
assertThat(s).isEqualTo("ABCD");
throw new RuntimeException("boo!");
}
@Test
public void coverage_with_EclEmma_and_lambdas_and_AssertJ() {
assertThatThrownBy(() -> {
coverage_with_EclEmma_and_lambdas_and_AssertJ_helper();
}).isInstanceOf(RuntimeException.class);
}
}
TL;DR: The lambda shows in red and at 0% coverage in the exported HTML report.
I would expect it to show green and 100% (given that this version of
EclEmma/JaCoCo supports lambdas).
Details:
The color-coded coverage results in the text editor window show the body of
coverage_with_EclEmma_and_lambdas_and_AssertJ_helper() in green, also the
assertThatThrownBy line in coverage_with_EclEmma_and_lambdas_and_AssertJ().
The call of coverage_with_EclEmma_and_lambdas_and_AssertJ_helper() is RED and
the
isInstanceOf(...) line is yellow. I would have expected it all to be green.
The report view window is somewhat better: Drilling down to the two
coverage_with_EclEmma_and_lambdas_and_AssertJ.* routines shows 100% coverage of
instructions. But the parent TestPlaypen shows only 88.5% coverage with some
missed instructions.
Finally, the exported HTML report shows
coverage_with_EclEmma_and_lambdas_and_AssertJ.* and TestPlaypen at 100%
coverage but lambda$0() at 0%.
Thanks! -- David Bakin
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