Revise RepeatableContainersTests
This commit is contained in:
Sam Brannen
parent
c7bdfbea4f
commit
0b08246760
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@ -20,7 +20,9 @@ import java.lang.annotation.Annotation;
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import java.lang.annotation.Repeatable;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.Arrays;
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import org.junit.jupiter.api.Nested;
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import org.junit.jupiter.api.Test;
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import static org.assertj.core.api.Assertions.assertThat;
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@ -31,193 +33,166 @@ import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException
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* Tests for {@link RepeatableContainers}.
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*
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* @author Phillip Webb
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* @author Sam Brannen
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*/
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class RepeatableContainersTests {
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@Test
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void standardRepeatablesWhenNonRepeatableReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.standardRepeatables(), WithNonRepeatable.class,
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NonRepeatable.class);
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assertThat(values).isNull();
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@Nested
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class StandardRepeatableContainersTests {
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@Test
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void standardRepeatablesWhenNonRepeatableReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(RepeatableContainers.standardRepeatables(),
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NonRepeatableTestCase.class, NonRepeatable.class);
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assertThat(values).isNull();
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}
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@Test
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void standardRepeatablesWhenSingleReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(RepeatableContainers.standardRepeatables(),
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SingleStandardRepeatableTestCase.class, StandardRepeatable.class);
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assertThat(values).isNull();
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}
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@Test
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void standardRepeatablesWhenContainerButNotRepeatableReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(RepeatableContainers.standardRepeatables(),
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ExplicitRepeatablesTestCase.class, ExplicitContainer.class);
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assertThat(values).isNull();
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}
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@Test
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void standardRepeatablesWhenContainerReturnsRepeats() {
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Object[] values = findRepeatedAnnotationValues(RepeatableContainers.standardRepeatables(),
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StandardRepeatablesTestCase.class, StandardContainer.class);
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assertThat(values).containsExactly("a", "b");
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}
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}
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@Test
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void standardRepeatablesWhenSingleReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.standardRepeatables(),
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WithSingleStandardRepeatable.class, StandardRepeatable.class);
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assertThat(values).isNull();
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}
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@Nested
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class ExplicitRepeatableContainerTests {
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@Test
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void standardRepeatablesWhenContainerReturnsRepeats() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.standardRepeatables(), WithStandardRepeatables.class,
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StandardContainer.class);
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assertThat(values).containsExactly("a", "b");
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}
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@Test
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void ofExplicitWhenNonRepeatableReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.of(ExplicitRepeatable.class, ExplicitContainer.class),
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NonRepeatableTestCase.class, NonRepeatable.class);
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assertThat(values).isNull();
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}
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@Test
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void standardRepeatablesWhenContainerButNotRepeatableReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.standardRepeatables(), WithExplicitRepeatables.class,
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ExplicitContainer.class);
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assertThat(values).isNull();
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}
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@Test
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void ofExplicitWhenStandardRepeatableContainerReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.of(ExplicitRepeatable.class, ExplicitContainer.class),
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StandardRepeatablesTestCase.class, StandardContainer.class);
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assertThat(values).isNull();
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}
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@Test
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void ofExplicitWhenNonRepeatableReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.of(ExplicitRepeatable.class,
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ExplicitContainer.class),
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WithNonRepeatable.class, NonRepeatable.class);
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assertThat(values).isNull();
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}
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@Test
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void ofExplicitWhenContainerReturnsRepeats() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.of(ExplicitRepeatable.class, ExplicitContainer.class),
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ExplicitRepeatablesTestCase.class, ExplicitContainer.class);
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assertThat(values).containsExactly("a", "b");
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}
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@Test
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void ofExplicitWhenStandardRepeatableContainerReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.of(ExplicitRepeatable.class,
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ExplicitContainer.class),
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WithStandardRepeatables.class, StandardContainer.class);
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assertThat(values).isNull();
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}
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@Test
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void ofExplicitWhenContainerIsNullDeducesContainer() {
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Object[] values = findRepeatedAnnotationValues(RepeatableContainers.of(StandardRepeatable.class, null),
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StandardRepeatablesTestCase.class, StandardContainer.class);
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assertThat(values).containsExactly("a", "b");
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}
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@Test
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void ofExplicitWhenContainerReturnsRepeats() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.of(ExplicitRepeatable.class,
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ExplicitContainer.class),
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WithExplicitRepeatables.class, ExplicitContainer.class);
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assertThat(values).containsExactly("a", "b");
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}
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@Test
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void ofExplicitWhenHasNoValueThrowsException() {
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assertThatExceptionOfType(AnnotationConfigurationException.class)
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.isThrownBy(() -> RepeatableContainers.of(ExplicitRepeatable.class, InvalidNoValue.class))
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.withMessageContaining("Invalid declaration of container type [%s] for repeatable annotation [%s]",
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InvalidNoValue.class.getName(), ExplicitRepeatable.class.getName());
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}
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@Test
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void ofExplicitWhenHasNoValueThrowsException() {
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assertThatExceptionOfType(AnnotationConfigurationException.class).isThrownBy(() ->
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RepeatableContainers.of(ExplicitRepeatable.class, InvalidNoValue.class))
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.withMessageContaining("Invalid declaration of container type ["
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+ InvalidNoValue.class.getName()
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+ "] for repeatable annotation ["
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+ ExplicitRepeatable.class.getName() + "]");
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}
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@Test
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void ofExplicitWhenValueIsNotArrayThrowsException() {
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assertThatExceptionOfType(AnnotationConfigurationException.class)
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.isThrownBy(() -> RepeatableContainers.of(ExplicitRepeatable.class, InvalidNotArray.class))
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.withMessage("Container type [%s] must declare a 'value' attribute for an array of type [%s]",
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InvalidNotArray.class.getName(), ExplicitRepeatable.class.getName());
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}
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@Test
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void ofExplicitWhenValueIsNotArrayThrowsException() {
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assertThatExceptionOfType(AnnotationConfigurationException.class).isThrownBy(() ->
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RepeatableContainers.of(ExplicitRepeatable.class, InvalidNotArray.class))
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.withMessage("Container type ["
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+ InvalidNotArray.class.getName()
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+ "] must declare a 'value' attribute for an array of type ["
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+ ExplicitRepeatable.class.getName() + "]");
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}
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@Test
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void ofExplicitWhenValueIsArrayOfWrongTypeThrowsException() {
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assertThatExceptionOfType(AnnotationConfigurationException.class)
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.isThrownBy(() -> RepeatableContainers.of(ExplicitRepeatable.class, InvalidWrongArrayType.class))
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.withMessage("Container type [%s] must declare a 'value' attribute for an array of type [%s]",
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InvalidWrongArrayType.class.getName(), ExplicitRepeatable.class.getName());
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}
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@Test
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void ofExplicitWhenValueIsArrayOfWrongTypeThrowsException() {
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assertThatExceptionOfType(AnnotationConfigurationException.class).isThrownBy(() ->
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RepeatableContainers.of(ExplicitRepeatable.class, InvalidWrongArrayType.class))
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.withMessage("Container type ["
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+ InvalidWrongArrayType.class.getName()
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+ "] must declare a 'value' attribute for an array of type ["
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+ ExplicitRepeatable.class.getName() + "]");
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}
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@Test
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void ofExplicitWhenAnnotationIsNullThrowsException() {
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assertThatIllegalArgumentException()
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.isThrownBy(() -> RepeatableContainers.of(null, null))
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.withMessage("Repeatable must not be null");
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}
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@Test
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void ofExplicitWhenAnnotationIsNullThrowsException() {
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assertThatIllegalArgumentException().isThrownBy(() ->
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RepeatableContainers.of(null, null))
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.withMessage("Repeatable must not be null");
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}
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@Test
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void ofExplicitWhenContainerIsNullAndNotRepeatableThrowsException() {
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assertThatIllegalArgumentException()
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.isThrownBy(() -> RepeatableContainers.of(ExplicitRepeatable.class, null))
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.withMessage("Annotation type must be a repeatable annotation: failed to resolve container type for %s",
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ExplicitRepeatable.class.getName());
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}
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@Test
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void ofExplicitWhenContainerIsNullDeducesContainer() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.of(StandardRepeatable.class, null),
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WithStandardRepeatables.class, StandardContainer.class);
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assertThat(values).containsExactly("a", "b");
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}
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@Test
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void ofExplicitWhenContainerIsNullAndNotRepeatableThrowsException() {
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assertThatIllegalArgumentException().isThrownBy(() ->
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RepeatableContainers.of(ExplicitRepeatable.class, null))
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.withMessage("Annotation type must be a repeatable annotation: " +
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"failed to resolve container type for " +
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ExplicitRepeatable.class.getName());
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}
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@Test
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void standardAndExplicitReturnsRepeats() {
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RepeatableContainers repeatableContainers = RepeatableContainers.standardRepeatables().and(
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ExplicitContainer.class, ExplicitRepeatable.class);
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assertThat(findRepeatedAnnotationValues(repeatableContainers,
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WithStandardRepeatables.class, StandardContainer.class)).containsExactly(
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"a", "b");
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assertThat(findRepeatedAnnotationValues(repeatableContainers,
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WithExplicitRepeatables.class, ExplicitContainer.class)).containsExactly(
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"a", "b");
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RepeatableContainers repeatableContainers = RepeatableContainers.standardRepeatables()
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.and(ExplicitContainer.class, ExplicitRepeatable.class);
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assertThat(findRepeatedAnnotationValues(repeatableContainers, StandardRepeatablesTestCase.class, StandardContainer.class))
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.containsExactly("a", "b");
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assertThat(findRepeatedAnnotationValues(repeatableContainers, ExplicitRepeatablesTestCase.class, ExplicitContainer.class))
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.containsExactly("a", "b");
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}
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@Test
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void noneAlwaysReturnsNull() {
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Object[] values = findRepeatedAnnotationValues(
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RepeatableContainers.none(), WithStandardRepeatables.class,
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StandardContainer.class);
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Object[] values = findRepeatedAnnotationValues(RepeatableContainers.none(), StandardRepeatablesTestCase.class,
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StandardContainer.class);
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assertThat(values).isNull();
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}
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@Test
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void equalsAndHashcode() {
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RepeatableContainers c1 = RepeatableContainers.of(ExplicitRepeatable.class,
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ExplicitContainer.class);
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RepeatableContainers c2 = RepeatableContainers.of(ExplicitRepeatable.class,
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ExplicitContainer.class);
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RepeatableContainers c1 = RepeatableContainers.of(ExplicitRepeatable.class, ExplicitContainer.class);
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RepeatableContainers c2 = RepeatableContainers.of(ExplicitRepeatable.class, ExplicitContainer.class);
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RepeatableContainers c3 = RepeatableContainers.standardRepeatables();
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RepeatableContainers c4 = RepeatableContainers.standardRepeatables().and(
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ExplicitContainer.class, ExplicitRepeatable.class);
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assertThat(c1.hashCode()).isEqualTo(c2.hashCode());
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RepeatableContainers c4 = RepeatableContainers.standardRepeatables().and(ExplicitContainer.class, ExplicitRepeatable.class);
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assertThat(c1).hasSameHashCodeAs(c2);
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assertThat(c1).isEqualTo(c1).isEqualTo(c2);
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assertThat(c1).isNotEqualTo(c3).isNotEqualTo(c4);
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}
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private Object[] findRepeatedAnnotationValues(RepeatableContainers containers,
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private static Object[] findRepeatedAnnotationValues(RepeatableContainers containers,
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Class<?> element, Class<? extends Annotation> annotationType) {
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Annotation[] annotations = containers.findRepeatedAnnotations(
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element.getAnnotation(annotationType));
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Annotation[] annotations = containers.findRepeatedAnnotations(element.getAnnotation(annotationType));
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return extractValues(annotations);
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}
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private Object[] extractValues(Annotation[] annotations) {
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try {
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if (annotations == null) {
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return null;
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}
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Object[] result = new String[annotations.length];
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for (int i = 0; i < annotations.length; i++) {
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result[i] = annotations[i].annotationType().getMethod("value").invoke(
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annotations[i]);
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}
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return result;
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}
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catch (Exception ex) {
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throw new RuntimeException(ex);
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private static Object[] extractValues(Annotation[] annotations) {
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if (annotations == null) {
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return null;
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}
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return Arrays.stream(annotations).map(AnnotationUtils::getValue).toArray(Object[]::new);
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}
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@Retention(RetentionPolicy.RUNTIME)
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@interface NonRepeatable {
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String value() default "";
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}
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@Retention(RetentionPolicy.RUNTIME)
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@Repeatable(StandardContainer.class)
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@interface StandardRepeatable {
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String value() default "";
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}
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@Retention(RetentionPolicy.RUNTIME)
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@interface StandardContainer {
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@ -225,7 +200,8 @@ class RepeatableContainersTests {
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}
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@Retention(RetentionPolicy.RUNTIME)
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@interface ExplicitRepeatable {
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@Repeatable(StandardContainer.class)
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@interface StandardRepeatable {
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String value() default "";
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}
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@ -236,6 +212,12 @@ class RepeatableContainersTests {
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ExplicitRepeatable[] value();
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}
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@Retention(RetentionPolicy.RUNTIME)
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@interface ExplicitRepeatable {
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String value() default "";
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}
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@Retention(RetentionPolicy.RUNTIME)
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@interface InvalidNoValue {
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}
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@ -253,20 +235,20 @@ class RepeatableContainersTests {
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}
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@NonRepeatable("a")
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static class WithNonRepeatable {
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static class NonRepeatableTestCase {
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}
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@StandardRepeatable("a")
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static class WithSingleStandardRepeatable {
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static class SingleStandardRepeatableTestCase {
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}
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@StandardRepeatable("a")
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@StandardRepeatable("b")
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static class WithStandardRepeatables {
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static class StandardRepeatablesTestCase {
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}
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@ExplicitContainer({ @ExplicitRepeatable("a"), @ExplicitRepeatable("b") })
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static class WithExplicitRepeatables {
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static class ExplicitRepeatablesTestCase {
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}
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}
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