How to use flatten method of org.assertj.core.api.AbstractMapAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractMapAssert.flatten

Source:AbstractMapAssert.java Github

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...1161 * Flatten the values of the given keys from the actual map under test into a new array, this new array becoming the object under test.1162 * <p>1163 * If a given key is not present in the map under test, a {@code null} value is extracted.1164 * <p>1165 * If a given key value is not an {@link Iterable} or an array, it is simply extracted but (obviously) not flattened.1166 * <p>1167 * Example:1168 * <pre><code class='java'> List&lt;String&gt; names = asList("Dave", "Jeff"); 1169 * LinkedHashSet&lt;String&gt; jobs = newLinkedHashSet("Plumber", "Builder"); 1170 * Iterable&lt;String&gt; cities = asList("Dover", "Boston", "Paris");1171 * int[] ranks = { 1, 2, 3 };1172 * 1173 * Map&lt;String, Object&gt; map = new LinkedHashMap&lt;&gt;(); 1174 * map.put("name", names); 1175 * map.put("job", jobs); 1176 * map.put("city", cities); 1177 * map.put("rank", ranks); 1178 * 1179 * assertThat(map).flatExtracting("name","job","city", "rank")1180 * .containsExactly("Dave", "Jeff", 1181 * "Plumber", "Builder", 1182 * "Dover", "Boston", "Paris",1183 * 1, 2, 3);1184 * 1185 * // the order of values in the resulting array is the order of map keys then key values: 1186 * assertThat(map).flatExtracting("city", "job", "name") 1187 * .containsExactly("Dover", "Boston", "Paris", 1188 * "Plumber", "Builder", 1189 * "Dave", "Jeff");1190 * 1191 * // contains exactly null twice (one for each unknown keys)1192 * assertThat(map).flatExtracting("foo", "name", "bar")1193 * .containsExactly(null, "Dave", "Jeff", null);1194 * 1195 * // if the key value is not an iterable/array, it will be simply extracted but not flattened.1196 * map.put("year", 2017));1197 * assertThat(map).flatExtracting("name","job","year")1198 * .containsExactly("Dave", "Jeff", "Plumber", "Builder", "Dover", 2017);</code></pre>1199 * <p>1200 * Note that the order of values in the resulting array is the order of the map keys iteration then key values.1201 *1202 * @param keys the keys used to get values from the map under test1203 * @return a new assertion object whose object under test is the array containing the extracted flattened map values1204 */1205 @CheckReturnValue1206 public AbstractListAssert<?, List<? extends Object>, Object, ObjectAssert<Object>> flatExtracting(String... keys) {1207 Tuple values = byName(keys).extract(actual);1208 List<Object> valuesFlattened = flatten(values.toList());1209 String extractedPropertiesOrFieldsDescription = extractedDescriptionOf(keys);1210 String description = mostRelevantDescription(info.description(), extractedPropertiesOrFieldsDescription);1211 return newListAssertInstance(valuesFlattened).as(description);1212 }1213 private static List<Object> flatten(Iterable<Object> collectionToFlatten) {1214 List<Object> result = new ArrayList<>();1215 for (Object item : collectionToFlatten) {1216 if (item instanceof Iterable<?>) result.addAll(toCollection((Iterable<?>) item));1217 else if (isArray(item)) result.addAll(org.assertj.core.util.Arrays.asList(item));1218 else result.add(item);1219 }1220 return result;1221 }1222}...

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1import org.assertj.core.api.MapAssert;2import org.assertj.core.api.MapAssertBaseTest;3import java.util.Map;4import static org.mockito.Mockito.verify;5public class MapAssert_flatten_Test extends MapAssertBaseTest {6 protected MapAssert<String, String> invoke_api_method() {7 return assertions.flatten();8 }9 protected void verify_internal_effects() {10 verify(maps).assertFlattened(getInfo(assertions), getActual(assertions));11 }12}13import org.assertj.core.api.MapAssert;14import org.assertj.core.api.MapAssertBaseTest;15import java.util.Map;16import static org.mockito.Mockito.verify;17public class MapAssert_flatten_Test extends MapAssertBaseTest {18 protected MapAssert<String, String> invoke_api_method() {19 return assertions.flatten();20 }21 protected void verify_internal_effects() {22 verify(maps).assertFlattened(getInfo(assertions), getActual(assertions));23 }24}25import org.assertj.core.api.MapAssert;26import org.assertj.core.api.MapAssertBaseTest;27import java.util.Map;28import static org.mockito.Mockito.verify;29public class MapAssert_flatten_Test extends MapAssertBaseTest {30 protected MapAssert<String, String> invoke_api_method() {31 return assertions.flatten();32 }33 protected void verify_internal_effects() {34 verify(maps).assertFlattened(getInfo(assertions), getActual(assertions));35 }36}37import org.assertj.core.api.MapAssert;38import org.assertj.core.api.MapAssertBaseTest;39import java.util.Map;40import static org.mockito.Mockito.verify;41public class MapAssert_flatten_Test extends MapAssertBaseTest {42 protected MapAssert<String, String> invoke_api_method() {43 return assertions.flatten();44 }45 protected void verify_internal_effects() {46 verify(maps).assertFlattened(getInfo(assertions), getActual(assertions));47 }48}49import org.assertj.core.api.MapAssert;50import org.assertj.core.api.MapAssertBaseTest;51import java.util.Map;52import static org.mockito.Mockito.verify;

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1import java.util.Arrays;2import java.util.HashMap;3import java.util.Map;4import org.assertj.core.api.Assertions;5import org.junit.jupiter.api.Test;6public class FlattenMapTest {7 public void testFlatten() {8 Map<String, Object> map = new HashMap<>();9 map.put("a", "value");10 Map<String, Object> child = new HashMap<>();11 child.put("b", "value");12 child.put("c", Arrays.asList("value1", "value2"));13 map.put("d", child);14 Map<String, String> flatMap = Assertions.assertThat(map).flatten().extracting("key", "value").asMap(String.class, String.class);15 System.out.println("Flat Map: " + flatMap);16 }17}18Flat Map: {a=value, d.b=value, d.c[0]=value1, d.c[1]=value2}

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1 def "test flatten method of AbstractMapAssert"() {2 map.flatten() == expectedMap3 }4 def "test flatten method of AbstractListAssert"() {5 list.flatten() == expectedList6 }7 def "test flatten method of AbstractIterableAssert"() {8 iterable.flatten() == expectedIterable9 }10 def "test flatten method of AbstractObjectArrayAssert"() {11 array.flatten() == expectedArray12 }

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1assertThat(map).flatten().contains(entry("name", "John"), entry("age", 30));2assertThat(map).flattenAs("name", "age").contains("John", 30);3assertThat(map).flattening(m -> m.get("person")).contains(entry("name", "John"), entry("age", 30));4assertThat(map).flatteningAs(m -> m.get("person"), "name", "age").contains("John", 30);5assertThat(map).extracting(m -> m.get("person")).contains(entry("name", "John"), entry("age", 30));6assertThat(map).extractingAs(m -> m.get("person"), "name", "age").contains("John", 30);7assertThat(map).extractingByKey("person").contains(entry("name", "John"), entry("age", 30));8assertThat(map).extractingByKeys("person", "name").contains(entry("name", "John"), entry("age", 30));9assertThat(map).extractingValue("person").contains(entry("name", "John"), entry("age", 30));10assertThat(map).extractingValues("person", "name").contains("John", 30);11assertThat(map).extractingFromEntries(m -> m.get("person")).contains(entry("name", "John"), entry("age", 30));12assertThat(map).extractingFromEntriesAs(m -> m.get("person"), "name", "age").contains("John",

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