Best Assertj code snippet using org.assertj.core.api.iterable.IterableAssert_singleElement_with_InstanceOfAssertFactory_Test.list
Source:IterableAssert_singleElement_with_InstanceOfAssertFactory_Test.java
...18import static org.assertj.core.api.InstanceOfAssertFactories.INTEGER;19import static org.assertj.core.api.InstanceOfAssertFactories.STRING;20import static org.assertj.core.error.ShouldNotBeNull.shouldNotBeNull;21import static org.assertj.core.util.AssertionsUtil.expectAssertionError;22import static org.assertj.core.util.Lists.list;23import org.assertj.core.api.AbstractStringAssert;24import org.assertj.core.api.InstanceOfAssertFactory;25import org.assertj.core.api.IterableAssert;26import org.junit.jupiter.api.DisplayName;27import org.junit.jupiter.api.Test;28/**29 * Tests for <code>{@link IterableAssert#singleElement(InstanceOfAssertFactory)}</code>.30 * 31 * @author Michael Grafl32 */33@DisplayName("IterableAssert singleElement(InstanceOfAssertFactory)")34class IterableAssert_singleElement_with_InstanceOfAssertFactory_Test {35 private final Iterable<String> babySimpsons = list("Maggie");36 private final Iterable<String> simpsons = list("Homer", "Marge", "Lisa", "Bart", "Maggie");37 @Test38 void should_fail_if_iterable_is_empty() {39 // GIVEN40 Iterable<String> iterable = emptyList();41 // WHEN42 AssertionError assertionError = expectAssertionError(() -> assertThat(iterable).singleElement(STRING));43 // THEN44 then(assertionError).hasMessageContaining("Expected size:<1> but was:<0>");45 }46 @Test47 void should_fail_throwing_npe_if_assert_factory_is_null() {48 // WHEN49 Throwable thrown = catchThrowable(() -> assertThat(babySimpsons).singleElement(null));50 // THEN...
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Using AI Code Generation
1import java.io.File;2 import java.io.IOException;3 import java.nio.file.Files;4 import java.nio.file.Path;5 import java.nio.file.Paths;6 import java.util.ArrayList;7 import java.util.List;8 import java.util.stream.Collectors;9 import java.util.stream.Stream;10 public class Main {11 public static void main(String[] args) {12 String path = "/home/nitin/Desktop/AssertJ/assertj-core/src/test/java/org/assertj/core/api/iterable/IterableAssert_singleElement_with_InstanceOfAssertFactory_Test.java" ;13 Path p = Paths.get(path);14 File file = p.toFile();15 String fileName = file.getName();16 String className = fileName.substring(0, fileName.lastIndexOf( '.' ));17 String packageName = file.getParentFile().getName();18 String header = "package org.assertj.core.api.iterable; " ;19 String code = "" ;20 try (Stream<String> lines = Files.lines(p)) {21 List<String> list = lines.collect(Collectors.toList());22 for ( int i = 0; i < list.size(); i++) {23 if (list.get(i).contains( "public void " )) {24 String methodName = list.get(i).substring(list.get(i).indexOf( "public void " ) + 12, list.get(i).indexOf( "()" ));
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Using AI Code Generation
1import java.util.ArrayList;2import java.util.List;3import org.junit.Test;4import static org.assertj.core.api.Assertions.assertThat;5public class IterableAssert_singleElement_with_InstanceOfAssertFactory_Test {6 public void should_pass_when_asserting_single_element_with_instance_of_assert_factory() {7 List<Object> list = new ArrayList<>();8 list.add("foo");9 assertThat(list).singleElement().isInstanceOf(String.class);10 }11}
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