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Avoid duplicate classes in MergedContextConfiguration #24532

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Avoid duplicate classes in MergedContextConfiguration #24532

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56eaf00
Avoid duplicate classes in MergedContextConfiguration
dreis2211 Dec 16, 2020
7ce30bc
Preserve class ordering
dreis2211 Dec 16, 2020
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2 changes: 1 addition & 1 deletion ...rc/main/java/org/springframework/boot/test/context/SpringBootTestContextBootstrapper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -135,7 +135,7 @@ protected ContextLoader resolveContextLoader(Class<?> testClass,
}

private void addConfigAttributesClasses(ContextConfigurationAttributes configAttributes, Class<?>[] classes) {
List<Class<?>> combined = new ArrayList<>(Arrays.asList(classes));
Set<Class<?>> combined = new HashSet<>(Arrays.asList(classes));
if (configAttributes.getClasses() != null) {
combined.addAll(Arrays.asList(configAttributes.getClasses()));
}
Expand Down
36 changes: 27 additions & 9 deletions ...g/springframework/boot/test/context/bootstrap/SpringBootTestContextBootstrapperTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
import org.springframework.boot.test.context.SpringBootTestContextBootstrapper;
import org.springframework.test.context.BootstrapContext;
import org.springframework.test.context.CacheAwareContextLoaderDelegate;
import org.springframework.test.context.MergedContextConfiguration;
import org.springframework.test.context.TestContext;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.util.ReflectionTestUtils;
Expand Down Expand Up @@ -56,39 +57,47 @@ void springBootTestWithAMockWebEnvironmentCanBeUsedWithWebAppConfiguration() {
@Test
void mergedContextConfigurationWhenArgsDifferentShouldNotBeConsideredEqual() {
TestContext context = buildTestContext(SpringBootTestArgsConfiguration.class);
Object contextConfiguration = ReflectionTestUtils.getField(context, "mergedContextConfiguration");
MergedContextConfiguration contextConfiguration = getMergedContextConfiguration(context);
TestContext otherContext2 = buildTestContext(SpringBootTestOtherArgsConfiguration.class);
Object otherContextConfiguration = ReflectionTestUtils.getField(otherContext2, "mergedContextConfiguration");
MergedContextConfiguration otherContextConfiguration = getMergedContextConfiguration(otherContext2);
assertThat(contextConfiguration).isNotEqualTo(otherContextConfiguration);
}

@Test
void mergedContextConfigurationWhenArgsSameShouldBeConsideredEqual() {
TestContext context = buildTestContext(SpringBootTestArgsConfiguration.class);
Object contextConfiguration = ReflectionTestUtils.getField(context, "mergedContextConfiguration");
MergedContextConfiguration contextConfiguration = getMergedContextConfiguration(context);
TestContext otherContext2 = buildTestContext(SpringBootTestSameArgsConfiguration.class);
Object otherContextConfiguration = ReflectionTestUtils.getField(otherContext2, "mergedContextConfiguration");
MergedContextConfiguration otherContextConfiguration = getMergedContextConfiguration(otherContext2);
assertThat(contextConfiguration).isEqualTo(otherContextConfiguration);
}

@Test
void mergedContextConfigurationWhenWebEnvironmentsDifferentShouldNotBeConsideredEqual() {
TestContext context = buildTestContext(SpringBootTestMockWebEnvironmentConfiguration.class);
Object contextConfiguration = ReflectionTestUtils.getField(context, "mergedContextConfiguration");
MergedContextConfiguration contextConfiguration = getMergedContextConfiguration(context);
TestContext otherContext = buildTestContext(SpringBootTestDefinedPortWebEnvironmentConfiguration.class);
Object otherContextConfiguration = ReflectionTestUtils.getField(otherContext, "mergedContextConfiguration");
MergedContextConfiguration otherContextConfiguration = getMergedContextConfiguration(otherContext);
assertThat(contextConfiguration).isNotEqualTo(otherContextConfiguration);
}

@Test
void mergedContextConfigurationWhenWebEnvironmentsSameShouldtBeConsideredEqual() {
void mergedContextConfigurationWhenWebEnvironmentsSameShouldBeConsideredEqual() {
TestContext context = buildTestContext(SpringBootTestMockWebEnvironmentConfiguration.class);
Object contextConfiguration = ReflectionTestUtils.getField(context, "mergedContextConfiguration");
MergedContextConfiguration contextConfiguration = getMergedContextConfiguration(context);
TestContext otherContext = buildTestContext(SpringBootTestAnotherMockWebEnvironmentConfiguration.class);
Object otherContextConfiguration = ReflectionTestUtils.getField(otherContext, "mergedContextConfiguration");
MergedContextConfiguration otherContextConfiguration = getMergedContextConfiguration(otherContext);
assertThat(contextConfiguration).isEqualTo(otherContextConfiguration);
}

@Test
void mergedContextConfigurationClassesShouldNotContainDuplicates() {
TestContext context = buildTestContext(SpringBootTestClassesConfiguration.class);
MergedContextConfiguration contextConfiguration = getMergedContextConfiguration(context);
Class<?>[] classes = contextConfiguration.getClasses();
assertThat(classes).containsExactly(SpringBootTestContextBootstrapperExampleConfig.class);
}

@SuppressWarnings("rawtypes")
private TestContext buildTestContext(Class<?> testClass) {
SpringBootTestContextBootstrapper bootstrapper = new SpringBootTestContextBootstrapper();
Expand All @@ -100,6 +109,10 @@ private TestContext buildTestContext(Class<?> testClass) {
return bootstrapper.buildTestContext();
}

private MergedContextConfiguration getMergedContextConfiguration(TestContext context) {
return (MergedContextConfiguration) ReflectionTestUtils.getField(context, "mergedContextConfiguration");
}

@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
@WebAppConfiguration
static class SpringBootTestNonMockWebEnvironmentAndWebAppConfiguration {
Expand Down Expand Up @@ -142,4 +155,9 @@ static class SpringBootTestOtherArgsConfiguration {

}

@SpringBootTest(classes = SpringBootTestContextBootstrapperExampleConfig.class)
static class SpringBootTestClassesConfiguration {

}

}