์นดํ
๊ณ ๋ฆฌ + ๋งค๊ฐ ๋ณ์ํ ๋ ๋์ค๋ ์ฌ์ ํ ์๋ก์ด junit 4.9 ์ต์ข
๋ฒ์ ์์ ์ ๋๋ก ์๋ํ์ง ์์ง๋ง # 74 ๋ณ๊ฒฝ ํ ํผ๋๋ฐฑ์ด ๋ฉ์์ง์๋ NPE๋ณด๋ค ํจ์ฌ ๋ซ์ต๋๋ค. ํ
์คํธ ํด๋์ค์๋ ํด๋์ค ์์ค์ @Category ์ฃผ์์ด ์์ต๋๋ค.
์คํ ํธ๋ ์ด์ค :
java.lang.Exception: Category annotations on Parameterized classes are not supported on individual methods.
at org.junit.runners.model.InitializationError.<init>(InitializationError.java:30)
at org.junit.experimental.categories.Categories.assertNoDescendantsHaveCategoryAnnotations(Categories.java:179)
at org.junit.experimental.categories.Categories.assertNoCategorizedDescendentsOfUncategorizeableParents(Categories.java:171)
at org.junit.experimental.categories.Categories.assertNoCategorizedDescendentsOfUncategorizeableParents(Categories.java:173)
at org.junit.experimental.categories.Categories.<init>(Categories.java:156)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:35)
at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:24)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:29)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:24)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.<init>(JUnit4TestReference.java:32)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestClassReference.<init>(JUnit4TestClassReference.java:25)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:41)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:31)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
์ฝ๋ ์ค ๋ํซ-๊ฐ๊ฒฐํจ์ ์ํด ์๋ต ๋ ๊ฐ์ ธ ์ค๊ธฐ, ํ์ํ ๊ฒฝ์ฐ ์์ ํ ์ผ์ / ๊ฐ๋ฏธ ํ๋ก์ ํธ๋ฅผ ์ ๊ณต ํ ์ ์์ต๋๋ค.
๋ฌธ์ ๊ฐ์๋ ํ
์คํธ :
@RunWith(Parameterized.class)
@Category(SampleCategory.class)
public class AdditionTest {
static final Integer[][] SCENARIOS = new Integer[][] { { 2, 2, 4 },
{ -2, 2, 0 }, { -4, -1, -5 }, };
int one, two, expectedSum;
public AdditionTest(int one, int two, int expectedSum) {
super();
this.one = one;
this.two = two;
this.expectedSum = expectedSum;
}
<strong i="12">@Test</strong>
public void addAndSeeWhatHappens() throws Exception {
assertEquals("sum", expectedSum, one + two);
}
<strong i="13">@Parameters</strong>
public static Collection<Integer[]> regExValues() {
return Arrays.asList(SCENARIOS);
}
}
์ค์ํธ :
@RunWith(Categories.class)
@IncludeCategory(SampleCategory.class)
@SuiteClasses({ AdditionTest.class, MultiplicationTest.class })
public class SampleSuite {
}
AdditionTest์์ @Category ๋ฅผ ์ฃผ์ ์ฒ๋ฆฌํ๋ฉด Suite๊ฐ MultiplicationTest๋ฅผ ์ ์คํํฉ๋๋ค ( "์ผ๋ฐ"ํ ์คํธ ๋ฉ์๋๊ฐ ํฌํจ๋์ด ์๊ณ ํด๋์ค ์์ค @Category๋ ์์).
ํ๋ฒจ,
๋ฒ๊ทธ ์ ๊ณ ์ ๊ฐ์ฌ๋๋ฆฝ๋๋ค. ์ฒจ๋ถ ๋ ์ปค๋ฐ์ด ๋ฌธ์ ๋ฅผ ํด๊ฒฐํ ๊ฒ์ด๋ผ๊ณ ์๊ฐํฉ๋๋ค. ์์ผ๋ก 24 ์๊ฐ ๋ด์ ๊ฐ๋จํ ์ดํด๋ณผ ์๊ฐ์ด ์์ต๋๊น? ๊ฐ์ฌ.
์, ์๋ํ๊ฒ ์ต๋๋ค. ๋ช ์๊ฐ ํ์ ๋์์ฌ ๊ฒ์ ๋๋ค. ๊ฐ์ฌํฉ๋๋ค.
์ด์ ์๋ฒฝํ๊ฒ ์๋ํฉ๋๋ค. ๊ฐ์ฌํฉ๋๋ค.
categorized_parameters_fix์์ ๋ธ๋์น๋ฅผ ๋ง๋ค๊ณ junit4.10-SNAPSHOT์ ๊ตฌ์ถํ์ผ๋ฉฐ ์ด์ Parameterized์ Category๊ฐ ํ๋ณตํ๊ฒ ํจ๊ป ์ด๊ณ ์์ต๋๋ค. ๋ํ ๋ค์๊ณผ ๊ฐ์ ๋ชจ์์ ์ถ๊ฐ ๋ ์ด๋ก ์ ๋ํด์๋ ๋์ผํ ์ฌ์ค์ด ์ฌ์ค์์ ํ์ธํ์ต๋๋ค.
@RunWith(Theories.class)
@Category(SampleCategory.class)
public class NumberTheoryOrSomething {
<strong i="7">@DataPoints</strong>
public static int[] someNumbers = { 1, 4, -5, 10, -100, -3, 0, 45, -997 };
<strong i="8">@Theory</strong>
public void positiveTheory(int one, int two) {
assumeTrue(one >= 0 && two >= 0);
assertTrue("The result should not be negative", one * two >= 0);
}
<strong i="9">@Theory</strong>
public void surprisinglyPositiveTheory(int one, int two) {
assumeTrue(one < 0 && two < 0);
assertTrue("The result should be positive", one * two >= 0);
}
}
์์ ์ผ๋ก ์ธํด 4.9.1์ด ๋ ๊ฐ๋ฅ์ฑ์ด ์์ต๋๊น?
์ฌ์ค, ์ ๋ 4.9.1์ ๊ฑด๋ ๋ฐ๊ณ ์์ผ๋ฉฐ,์ด ์์ ์ฌํญ์ ํฌํจํ์ฌ ๋ค์ ์ฃผ์ฏค์ 4.10์ ์ถ์ ํ ๊ฒ์ ๋๋ค.
์ฌ์ ํ ๋๋ฅผ ์ํด ์๋ํ์ง ์์ต๋๋ค. junit 4.12๋ฅผ ์ฌ์ฉํ๊ณ ์์ต๋๋ค.
@ 1hanymhajna ์ต์ํ์ ํ ์คํธ ์ผ์ด์ค๋ฅผ ์ค ์ ์์ต๋๊น?
ํ์คํ:
@RunWith (Parameterized.class)
public class myClass {
@Parameterized.Parameters(name = "{index}: params for test:({0})")
public static ArrayList<String[]> loadProcessorList() throws IOException {
return MyParams.loadParams();
}
@Category (myCategory.class)
@ํ
์คํธ
public void myTest () {
Assert.assertTrue (true);
}
}
์นดํ ๊ณ ๋ฆฌ์์ด์ด ํ ์คํธ๋ฅผ ์คํํ๋ฉด ์ ์๋ํ์ง๋ง ๋งค๊ฐ ๋ณ์ํ ๋ ํด๋์ค๊ฐ์๋ ์นดํ ๊ณ ๋ฆฌ๋ฅผ ๋ฃ์ผ๋ฉด ๋ค์ ์ค๋ฅ ๋ฉ์์ง์ ํจ๊ป ์์ธ๊ฐ ๋ฐ์ํฉ๋๋ค. ๋งค๊ฐ ๋ณ์ํ ๋ ํด๋์ค์ ์นดํ ๊ณ ๋ฆฌ ์ฃผ์์ ๊ฐ๋ณ ๋ฉ์๋์์ ์ง์๋์ง ์์ต๋๋ค.
@ 1hanymhajna ๋น ๋ฅธ ์๋ต์ ๊ฐ์ฌ๋๋ฆฝ๋๋ค.
์ฐ๋ฆฌ๋ ์ด๊ฒ์ ๊ณ ์น ์๋ ์์ง๋ง JUnit5์์๋ ํน๋ณํ ์คํ๊ธฐ์์ด ๋งค๊ฐ ๋ณ์ํ ๋ ํ ์คํธ๋ฅผ ์ง์ํ ๊ฒ์ ๋๋ค. JUnit5๊ฐ ์นดํ ๊ณ ๋ฆฌ + ๋งค๊ฐ ๋ณ์๋ฅผ ์ง์ํ๋๋ก ๋ฒ๊ทธ๋ฅผ ์ ์ถํ๋ ๊ฒ์ด ์ข์ต๋๋ค.