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Best junit code snippet using org.hamcrest.Condition
Source:HasPropertyWithValue.java 
1package org.hamcrest.beans;2import org.hamcrest.Condition;3import org.hamcrest.Description;4import org.hamcrest.Matcher;5import org.hamcrest.TypeSafeDiagnosingMatcher;6import java.beans.PropertyDescriptor;7import java.lang.reflect.Method;8import static org.hamcrest.Condition.matched;9import static org.hamcrest.Condition.notMatched;10import static org.hamcrest.beans.PropertyUtil.NO_ARGUMENTS;11/**12 * <p>Matcher that asserts that a JavaBean property on an argument passed to the13 * mock object meets the provided matcher. This is useful for when objects14 * are created within code under test and passed to a mock object, and you wish15 * to assert that the created object has certain properties.16 * </p>17 *18 * <h2>Example Usage</h2>19 * Consider the situation where we have a class representing a person, which20 * follows the basic JavaBean convention of having get() and possibly set()21 * methods for it's properties:22 * <pre>23 * public class Person {24 * private String name;25 * public Person(String person) {26 * this.person = person;27 * }28 * public String getName() {29 * return name;30 * }31 * }</pre>32 * 33 * And that these person objects are generated within a piece of code under test34 * (a class named PersonGenerator). This object is sent to one of our mock objects35 * which overrides the PersonGenerationListener interface:36 * <pre>37 * public interface PersonGenerationListener {38 * public void personGenerated(Person person);39 * }</pre>40 * 41 * In order to check that the code under test generates a person with name42 * "Iain" we would do the following:43 * <pre>44 * Mock personGenListenerMock = mock(PersonGenerationListener.class);45 * personGenListenerMock.expects(once()).method("personGenerated").with(and(isA(Person.class), hasProperty("Name", eq("Iain")));46 * PersonGenerationListener listener = (PersonGenerationListener)personGenListenerMock.proxy();</pre>47 * 48 * <p>If an exception is thrown by the getter method for a property, the property49 * does not exist, is not readable, or a reflection related exception is thrown50 * when trying to invoke it then this is treated as an evaluation failure and51 * the matches method will return false.52 * </p>53 * <p>This matcher class will also work with JavaBean objects that have explicit54 * bean descriptions via an associated BeanInfo description class. See the55 * JavaBeans specification for more information:56 * http://java.sun.com/products/javabeans/docs/index.html57 * </p>58 *59 * @author Iain McGinniss60 * @author Nat Pryce61 * @author Steve Freeman62 */63public class HasPropertyWithValue<T> extends TypeSafeDiagnosingMatcher<T> {64 private static final Condition.Step<PropertyDescriptor,Method> WITH_READ_METHOD = withReadMethod();65 private final String propertyName;66 private final Matcher<Object> valueMatcher;67 public HasPropertyWithValue(String propertyName, Matcher<?> valueMatcher) {68 this.propertyName = propertyName;69 this.valueMatcher = nastyGenericsWorkaround(valueMatcher);70 }71 @Override72 public boolean matchesSafely(T bean, Description mismatch) {73 return propertyOn(bean, mismatch)74 .and(WITH_READ_METHOD)75 .and(withPropertyValue(bean))76 .matching(valueMatcher, "property '" + propertyName + "' ");77 }78 @Override79 public void describeTo(Description description) {80 description.appendText("hasProperty(").appendValue(propertyName).appendText(", ")81 .appendDescriptionOf(valueMatcher).appendText(")");82 }83 private Condition<PropertyDescriptor> propertyOn(T bean, Description mismatch) {84 PropertyDescriptor property = PropertyUtil.getPropertyDescriptor(propertyName, bean);85 if (property == null) {86 mismatch.appendText("No property \"" + propertyName + "\"");87 return notMatched();88 }89 return matched(property, mismatch);90 }91 private Condition.Step<Method, Object> withPropertyValue(final T bean) {92 return new Condition.Step<Method, Object>() {93 @Override94 public Condition<Object> apply(Method readMethod, Description mismatch) {95 try {96 return matched(readMethod.invoke(bean, NO_ARGUMENTS), mismatch);97 } catch (Exception e) {98 mismatch.appendText(e.getMessage());99 return notMatched();100 }101 }102 };103 }104 @SuppressWarnings("unchecked")105 private static Matcher<Object> nastyGenericsWorkaround(Matcher<?> valueMatcher) {106 return (Matcher<Object>) valueMatcher;107 }108 private static Condition.Step<PropertyDescriptor,Method> withReadMethod() {109 return new Condition.Step<PropertyDescriptor, java.lang.reflect.Method>() {110 @Override111 public Condition<Method> apply(PropertyDescriptor property, Description mismatch) {112 final Method readMethod = property.getReadMethod();113 if (null == readMethod) {114 mismatch.appendText("property \"" + property.getName() + "\" is not readable");115 return notMatched();116 }117 return matched(readMethod, mismatch);118 }119 };120 }121 /**122 * Creates a matcher that matches when the examined object has a JavaBean property123 * with the specified name whose value satisfies the specified matcher.124 * For example:125 * <pre>assertThat(myBean, hasProperty("foo", equalTo("bar"))</pre>...
Source:ConditionMatchers.java
1package com.atlassian.plugin.connect.test.matcher;2import com.atlassian.plugin.web.Condition;3import com.atlassian.plugin.web.conditions.AbstractCompositeCondition;4import org.hamcrest.Description;5import org.hamcrest.core.IsCollectionContaining;6import org.mockito.ArgumentMatcher;7import java.lang.reflect.Field;8import java.util.Arrays;9import java.util.List;10import java.util.stream.Collectors;11import static org.hamcrest.CoreMatchers.equalTo;12import static org.hamcrest.CoreMatchers.instanceOf;13import static org.hamcrest.CoreMatchers.is;14import static org.hamcrest.MatcherAssert.assertThat;15/**16 *17 */18public class ConditionMatchers {19 public static ArgumentMatcher<Condition> isCompositeConditionContaining(20 final Class<? extends AbstractCompositeCondition> expectedCompositeConditionType,21 final Condition... expectedNestedConditions) {22 return new ArgumentMatcher<Condition>() {23 @Override24 public boolean matches(Object argument) {25 assertThat(argument, is(instanceOf(expectedCompositeConditionType)));26 List<Condition> conditionList = getNestedConditionsReflectively((AbstractCompositeCondition) argument);27 assertThat(conditionList, IsCollectionContaining.hasItems(expectedNestedConditions));28 assertThat(conditionList.size(), is(equalTo(expectedNestedConditions.length)));29 return true;30 }31 @Override32 public void describeTo(Description description) {33 description.appendText("Condition is ")34 .appendText(expectedCompositeConditionType.getSimpleName())35 .appendText(" with nested conditions ")36 .appendText(Arrays.toString(expectedNestedConditions));37 }38 };39 }40 public static ArgumentMatcher<Condition> isCompositeConditionContainingSimpleName(41 final Class<? extends AbstractCompositeCondition> expectedCompositeConditionType,42 final String... expectedNestedConditionNames) {43 return new ArgumentMatcher<Condition>() {44 @Override45 public boolean matches(Object argument) {46 assertThat(argument, is(instanceOf(expectedCompositeConditionType)));47 List<String> conditionList = getNestedConditionSimpleNamesReflectively((AbstractCompositeCondition) argument);48 assertThat(conditionList, IsCollectionContaining.hasItems(expectedNestedConditionNames));49 assertThat(conditionList.size(), is(equalTo(expectedNestedConditionNames.length)));50 return true;51 }52 @Override53 public void describeTo(Description description) {54 description.appendText("Condition is ")55 .appendText(expectedCompositeConditionType.getSimpleName())56 .appendText(" with nested conditions ")57 .appendText(Arrays.toString(expectedNestedConditionNames));58 }59 };60 }61 private static List<Condition> getNestedConditionsReflectively(final AbstractCompositeCondition condition) {62 try {63 Field conditions = AbstractCompositeCondition.class.getDeclaredField("conditions");64 conditions.setAccessible(true);65 @SuppressWarnings("unchecked")66 List<Condition> list = (List<Condition>) conditions.get(condition);67 return list;68 } catch (NoSuchFieldException e) {69 throw new RuntimeException(condition.getClass().getSimpleName() + " no longer has a field named 'conditions'", e);70 } catch (ClassCastException e) {71 throw new RuntimeException("The 'conditions' field is no longer a List in " + condition.getClass().getSimpleName(), e);72 } catch (IllegalAccessException e) {73 throw new RuntimeException(e);74 }75 }76 @SuppressWarnings("unchecked")77 private static List<String> getNestedConditionSimpleNamesReflectively(final AbstractCompositeCondition condition) {78 try {79 Field conditions = AbstractCompositeCondition.class.getDeclaredField("conditions");80 conditions.setAccessible(true);81 return ((List<Condition>) conditions.get(condition)).stream()82 .map(nested -> nested.getClass().getSimpleName())83 .collect(Collectors.toList());84 } catch (NoSuchFieldException e) {85 throw new RuntimeException(condition.getClass().getSimpleName() + " no longer has a field named 'conditions'", e);86 } catch (ClassCastException e) {87 throw new RuntimeException("The 'conditions' field is no longer a List in " + condition.getClass().getSimpleName(), e);88 } catch (IllegalAccessException e) {89 throw new RuntimeException(e);90 }91 }92}...
Source:JsonPathMatcher.java
...5import org.hamcrest.Matcher;6import org.hamcrest.TypeSafeDiagnosingMatcher;7import java.util.ArrayList;8import static org.hamcrest.Matchers.any;9import static org.hamcrest.extras.Condition.matched;10import static org.hamcrest.extras.Condition.notMatched;11/**12* @author Steve Freeman 2012 http://www.hamcrest.com13*/14public class JsonPathMatcher extends TypeSafeDiagnosingMatcher<String> {15 private final String jsonPath;16 private Condition.Step<? super JsonObject, JsonElement> findElement;17 private Matcher<JsonElement> elementContents;18 public JsonPathMatcher(String jsonPath, Matcher<JsonElement> elementContents) {19 this.jsonPath = jsonPath;20 this.findElement = findElementStep(jsonPath);21 this.elementContents = elementContents;22 }23 @Override24 protected boolean matchesSafely(String source, Description mismatch) {25 return parse(source, mismatch)26 .and(findElement)27 .matching(elementContents);28 }29 public void describeTo(Description description) {30 description.appendText("Json with path '").appendText(jsonPath).appendText("'")31 .appendDescriptionOf(elementContents);32 }33 @Factory34 public static Matcher<String> hasJsonPath(final String jsonPath) {35 return new JsonPathMatcher(jsonPath, any(JsonElement.class));36 }37 @Factory38 public static Matcher<String> hasJsonElement(final String jsonPath, final Matcher<String> contentsMatcher) {39 return new JsonPathMatcher(jsonPath, elementWith(contentsMatcher));40 }41 private Condition<JsonObject> parse(String source, Description mismatch) {42 try {43 return matched(new JsonParser().parse(source).getAsJsonObject(), mismatch);44 } catch (JsonSyntaxException e) {45 mismatch.appendText(e.getMessage());46 }47 return notMatched();48 }49 private static Matcher<JsonElement> elementWith(final Matcher<String> contentsMatcher) {50 return new TypeSafeDiagnosingMatcher<JsonElement>() {51 @Override52 protected boolean matchesSafely(JsonElement element, Description mismatch) {53 return jsonPrimitive(element, mismatch).matching(contentsMatcher);54 }55 public void describeTo(Description description) {56 description.appendText("containing ").appendDescriptionOf(contentsMatcher);57 }58 private Condition<String> jsonPrimitive(JsonElement element, Description mismatch) {59 if (element.isJsonPrimitive()) {60 return matched(element.getAsJsonPrimitive().getAsString(), mismatch);61 }62 mismatch.appendText("element was ").appendValue(element);63 return notMatched();64 }65 };66 }67 private static Condition.Step<JsonElement, JsonElement> findElementStep(final String jsonPath) {68 return new Condition.Step<JsonElement, JsonElement>() {69 public Condition<JsonElement> apply(JsonElement root, Description mismatch) {70 Condition<JsonElement> current = matched(root, mismatch);71 for (JsonPathSegment nextSegment : split(jsonPath)) {72 current = current.then(nextSegment);73 }74 return current;75 }76 };77 }78 private static Iterable<JsonPathSegment> split(String jsonPath) {79 final ArrayList<JsonPathSegment> segments = new ArrayList<JsonPathSegment>();80 final StringBuilder pathSoFar = new StringBuilder();81 for (String pathSegment : jsonPath.split("\\.")) {82 pathSoFar.append(pathSegment);83 final int leftBracket = pathSegment.indexOf('[');84 if (leftBracket == -1) {...
Source:ConnectConditionMarshallingTest.java
1package com.atlassian.plugin.connect.plugin.web.condition;2import com.atlassian.plugin.connect.modules.beans.ConditionalBean;3import com.atlassian.plugin.connect.modules.beans.nested.CompositeConditionBean;4import com.atlassian.plugin.connect.modules.beans.nested.CompositeConditionType;5import com.atlassian.plugin.connect.modules.beans.nested.SingleConditionBean;6import com.atlassian.plugin.connect.modules.gson.ConnectModulesGsonFactory;7import com.google.gson.Gson;8import com.google.gson.reflect.TypeToken;9import org.junit.Test;10import java.lang.reflect.Type;11import java.util.List;12import static com.atlassian.plugin.connect.modules.beans.nested.CompositeConditionBean.newCompositeConditionBean;13import static com.atlassian.plugin.connect.modules.beans.nested.SingleConditionBean.newSingleConditionBean;14import static com.atlassian.plugin.connect.test.TestFileReader.readAddonTestFile;15import static com.google.common.collect.Lists.newArrayList;16import static org.hamcrest.Matchers.both;17import static org.hamcrest.Matchers.contains;18import static org.hamcrest.Matchers.hasEntry;19import static org.hamcrest.Matchers.hasProperty;20import static org.hamcrest.Matchers.hasSize;21import static org.hamcrest.Matchers.instanceOf;22import static org.hamcrest.Matchers.is;23import static org.junit.Assert.assertEquals;24import static org.junit.Assert.assertThat;25/**26 * @since 1.027 */28public class ConnectConditionMarshallingTest {29 @Test30 @SuppressWarnings("unchecked")31 public void verifyDeserializationWorks() throws Exception {32 String json = readAddonTestFile("conditionMarshalling.json");33 Gson gson = ConnectModulesGsonFactory.getGson();34 Type listType = new TypeToken<List<ConditionalBean>>() {35 }.getType();36 List<ConditionalBean> conditionList = gson.fromJson(json, listType);37 assertThat(conditionList,38 contains(39 instanceOf(SingleConditionBean.class),40 instanceOf(SingleConditionBean.class),41 instanceOf(CompositeConditionBean.class),42 instanceOf(CompositeConditionBean.class)));43 assertThat(((SingleConditionBean) conditionList.get(0)).getParams(), hasEntry("someParam", "woot"));44 assertThat(conditionList.get(2), both(hasProperty("type", is(CompositeConditionType.AND))).and(hasProperty("conditions", hasSize(2))));45 assertThat(conditionList.get(3), both(hasProperty("type", is(CompositeConditionType.OR))).and(hasProperty("conditions", hasSize(2))));46 }47 @Test48 public void verifySerializationWorks() throws Exception {49 String expected = readAddonTestFile("conditionUnmarshalling.json");50 Type conditionalType = new TypeToken<List<ConditionalBean>>() {51 }.getType();52 List<ConditionalBean> conditionList = newArrayList();53 conditionList.add(newSingleConditionBean().withCondition("some_condition").build());54 conditionList.add(55 newCompositeConditionBean().withConditions(56 newSingleConditionBean().withCondition("some_condition2").build(),57 newCompositeConditionBean().withConditions(58 newSingleConditionBean().withCondition("some_condition3").build()59 ).withType(CompositeConditionType.OR)60 .build()61 ).withType(CompositeConditionType.AND)62 .build()63 );64 Gson gson = ConnectModulesGsonFactory.getGsonBuilder().setPrettyPrinting().create();65 String json = gson.toJson(conditionList, conditionalType);66 assertEquals(expected, json);67 }68}...
Source:HasRecordComponentWithValue.java
1package org.zwobble.clunk.matchers;2import org.hamcrest.Condition;3import org.hamcrest.Description;4import org.hamcrest.Matcher;5import org.hamcrest.TypeSafeDiagnosingMatcher;6import java.lang.reflect.Method;7import java.lang.reflect.RecordComponent;8import static org.hamcrest.Condition.matched;9import static org.hamcrest.Condition.notMatched;10import static org.hamcrest.beans.PropertyUtil.NO_ARGUMENTS;11public class HasRecordComponentWithValue<T> extends TypeSafeDiagnosingMatcher<T> {12 private static final Condition.Step<RecordComponent, Method> WITH_READ_METHOD = withReadMethod();13 private final String componentName;14 private final Matcher<Object> valueMatcher;15 public HasRecordComponentWithValue(String componentName, Matcher<?> valueMatcher) {16 this.componentName = componentName;17 this.valueMatcher = nastyGenericsWorkaround(valueMatcher);18 }19 @Override20 public boolean matchesSafely(T bean, Description mismatch) {21 return recordComponentOn(bean, mismatch)22 .and(WITH_READ_METHOD)23 .and(withPropertyValue(bean))24 .matching(valueMatcher, "record component '" + componentName + "' ");25 }26 private Condition.Step<Method, Object> withPropertyValue(final T bean) {27 return new Condition.Step<Method, Object>() {28 @Override29 public Condition<Object> apply(Method readMethod, Description mismatch) {30 try {31 return matched(readMethod.invoke(bean, NO_ARGUMENTS), mismatch);32 } catch (Exception e) {33 mismatch.appendText(e.getMessage());34 return notMatched();35 }36 }37 };38 }39 @Override40 public void describeTo(Description description) {41 description.appendText("hasRecordComponent(").appendValue(componentName).appendText(", ")42 .appendDescriptionOf(valueMatcher).appendText(")");43 }44 private Condition<RecordComponent> recordComponentOn(T bean, Description mismatch) {45 RecordComponent[] recordComponents = bean.getClass().getRecordComponents();46 if (recordComponents == null) {47 mismatch.appendValue(bean);48 mismatch.appendText(" is not a record");49 return notMatched();50 }51 for(RecordComponent comp : recordComponents) {52 if(comp.getName().equals(componentName)) {53 return matched(comp, mismatch);54 }55 }56 mismatch.appendText("No record component \"" + componentName + "\"");57 return notMatched();58 }59 @SuppressWarnings("unchecked")60 private static Matcher<Object> nastyGenericsWorkaround(Matcher<?> valueMatcher) {61 return (Matcher<Object>) valueMatcher;62 }63 private static Condition.Step<RecordComponent,Method> withReadMethod() {64 return new Condition.Step<RecordComponent, java.lang.reflect.Method>() {65 @Override66 public Condition<Method> apply(RecordComponent property, Description mismatch) {67 final Method readMethod = property.getAccessor();68 if (null == readMethod) {69 mismatch.appendText("record component \"" + property.getName() + "\" is not readable");70 return notMatched();71 }72 return matched(readMethod, mismatch);73 }74 };75 }76 public static <T> Matcher<T> has(String componentName, Matcher<?> valueMatcher) {77 return new HasRecordComponentWithValue<T>(componentName, valueMatcher);78 }79}...
Source:Matchers.java
1package org.codingmatters.value.objects.values.matchers.optional;2import org.hamcrest.Condition;3import org.hamcrest.Description;4import org.hamcrest.Matcher;5import org.hamcrest.TypeSafeDiagnosingMatcher;6import org.hamcrest.beans.PropertyUtil;7import java.beans.PropertyDescriptor;8import java.lang.reflect.InvocationTargetException;9import java.lang.reflect.Method;10import static org.hamcrest.Condition.matched;11import static org.hamcrest.Condition.notMatched;12import static org.hamcrest.beans.PropertyUtil.NO_ARGUMENTS;13public class Matchers {14 public static <T> org.hamcrest.Matcher<T> isPresent() {15 return new IsPresent<>();16 }17 private static class IsPresent<T> extends TypeSafeDiagnosingMatcher<T> {18 @Override19 public boolean matchesSafely(T bean, Description mismatch) {20 return propertyOn(bean,"present", mismatch)21 .and(Matchers::withReadMethod)22 .and(withPropertyValue(bean))23 .matching(IS_VALID_MATCHER, mismatchMessage);24 }25 @Override26 public void describeTo(Description description) {27 description.appendText("isPresent()");28 }29 }30 public static <T> org.hamcrest.Matcher<T> isEmpty() {31 return new IsEmpty<>();32 }33 private static class IsEmpty<T> extends TypeSafeDiagnosingMatcher<T> {34 @Override35 public boolean matchesSafely(T bean, Description mismatch) {36 return propertyOn(bean,"empty", mismatch)37 .and(Matchers::withReadMethod)38 .and(withPropertyValue(bean))39 .matching(IS_VALID_MATCHER, mismatchMessage);40 }41 @Override42 public void describeTo(Description description) {43 description.appendText("isEmpty()");44 }45 }46 private static <T> Condition<PropertyDescriptor> propertyOn(T bean, String propertyName, Description mismatch) {47 PropertyDescriptor property = PropertyUtil.getPropertyDescriptor(propertyName, bean);48 if (property == null) {49 mismatch.appendText("Not a valid Optional Class");50 return notMatched();51 }52 return matched(property, mismatch);53 }54 private static final Matcher<Object> IS_VALID_MATCHER = org.hamcrest.core.IsEqual.equalTo(true);55 private static final String mismatchMessage = "Not a valid Optional Class";56 private static <T> Condition.Step<Method, Object> withPropertyValue(final T bean) {57 return (readMethod, mismatch) -> {58 try {59 return matched(readMethod.invoke(bean, NO_ARGUMENTS), mismatch);60 } catch (InvocationTargetException e) {61 mismatch.appendText(mismatchMessage);62 return notMatched();63 } catch (Exception e) {64 throw new IllegalStateException("Calling: '" + readMethod + "' should not have thrown " + e);65 }66 };67 }68 private static Condition<Method> withReadMethod(PropertyDescriptor property, Description mismatch) {69 final Method readMethod = property.getReadMethod();70 if (null == readMethod) {71 mismatch.appendText("Not a valid Optional Class");72 return notMatched();73 }74 return matched(readMethod, mismatch);75 }76}...
Source:EventManagerTestSupport.java
...13package org.sonatype.nexus.capability.condition;14import java.util.ArrayList;15import java.util.List;16import org.sonatype.goodies.testsupport.TestSupport;17import org.sonatype.nexus.capability.Condition;18import org.sonatype.nexus.capability.ConditionEvent.Satisfied;19import org.sonatype.nexus.capability.ConditionEvent.Unsatisfied;20import org.sonatype.nexus.common.event.EventManager;21import org.hamcrest.Matcher;22import org.junit.Before;23import org.mockito.ArgumentMatcher;24import org.mockito.Mock;25import org.mockito.invocation.InvocationOnMock;26import org.mockito.stubbing.Answer;27import static org.hamcrest.MatcherAssert.assertThat;28import static org.hamcrest.Matchers.allOf;29import static org.hamcrest.Matchers.contains;30import static org.hamcrest.Matchers.empty;31import static org.hamcrest.Matchers.instanceOf;32import static org.mockito.Matchers.any;33import static org.mockito.Mockito.doAnswer;34/**35 * Support for tests using event bus.36 *37 * @since capabilities 2.038 */39public class EventManagerTestSupport40 extends TestSupport41{42 @Mock43 protected EventManager eventManager;44 protected List<Object> eventManagerEvents;45 @Before46 public final void setUpEventManager()47 throws Exception48 {49 eventManagerEvents = new ArrayList<Object>();50 doAnswer(new Answer<Object>()51 {52 @Override53 public Object answer(final InvocationOnMock invocation)54 throws Throwable55 {56 eventManagerEvents.add(invocation.getArguments()[0]);57 return null;58 }59 }).when(eventManager).post(any());60 }61 protected void verifyEventManagerEvents(final Matcher... matchers) {62 assertThat(eventManagerEvents, contains(matchers));63 }64 protected void verifyNoEventManagerEvents() {65 assertThat(eventManagerEvents, empty());66 }67 protected static Matcher<Object> satisfied(final Condition condition) {68 return allOf(69 instanceOf(Satisfied.class),70 new ArgumentMatcher<Object>()71 {72 @Override73 public boolean matches(final Object argument) {74 return ((Satisfied) argument).getCondition() == condition;75 }76 }77 );78 }79 protected static Matcher<Object> unsatisfied(final Condition condition) {80 return allOf(81 instanceOf(Unsatisfied.class),82 new ArgumentMatcher<Object>()83 {84 @Override85 public boolean matches(final Object argument) {86 return ((Unsatisfied) argument).getCondition() == condition;87 }88 }89 );90 }91}...
Source:Condition.java
1package org.hamcrest;2public abstract class Condition<T> {3 public static final NotMatched<Object> NOT_MATCHED = new NotMatched<>();4 public interface Step<I, O> {5 Condition<O> apply(I i, Description description);6 }7 public abstract <U> Condition<U> and(Step<? super T, U> step);8 public abstract boolean matching(Matcher<T> matcher, String str);9 private Condition() {10 }11 public final boolean matching(Matcher<T> match) {12 return matching(match, "");13 }14 public final <U> Condition<U> then(Step<? super T, U> mapping) {15 return and(mapping);16 }17 public static <T> Condition<T> notMatched() {18 return NOT_MATCHED;19 }20 public static <T> Condition<T> matched(T theValue, Description mismatch) {21 return new Matched(theValue, mismatch);22 }23 private static final class Matched<T> extends Condition<T> {24 private final Description mismatch;25 private final T theValue;26 private Matched(T theValue2, Description mismatch2) {27 super();28 this.theValue = theValue2;29 this.mismatch = mismatch2;30 }31 @Override // org.hamcrest.Condition32 public boolean matching(Matcher<T> matcher, String message) {33 if (matcher.matches(this.theValue)) {34 return true;35 }36 this.mismatch.appendText(message);37 matcher.describeMismatch(this.theValue, this.mismatch);38 return false;39 }40 @Override // org.hamcrest.Condition41 public <U> Condition<U> and(Step<? super T, U> next) {42 return next.apply(this.theValue, this.mismatch);43 }44 }45 private static final class NotMatched<T> extends Condition<T> {46 private NotMatched() {47 super();48 }49 @Override // org.hamcrest.Condition50 public boolean matching(Matcher<T> matcher, String message) {51 return false;52 }53 @Override // org.hamcrest.Condition54 public <U> Condition<U> and(Step<? super T, U> step) {55 return notMatched();56 }57 }58}...
Condition
Using AI Code Generation
1import org.hamcrest.Condition;2import org.hamcrest.Matcher;3import org.hamcrest.MatcherAssert;4import static org.hamcrest.MatcherAssert.assertThat;5import static org.hamcrest.Matchers.*;6public class HamcrestCondition {7 public static void main(String[] args) {8 Condition<String> condition = new Condition<>(s -> s.contains("a"), "string contains a");9 assertThat("abc", condition);10 }11}12import org.hamcrest.Condition;13import org.hamcrest.Matcher;14import org.hamcrest.MatcherAssert;15import static org.hamcrest.MatcherAssert.assertThat;16import static org.hamcrest.Matchers.*;17public class HamcrestCondition {18 public static void main(String[] args) {19 Condition<String> condition = new Condition<>(s -> s.contains("a"), "string contains a");20 assertThat("abc", condition);21 assertThat("xyz", not(condition));22 }23}24import org.hamcrest.Condition;25import org.hamcrest.Matcher;26import org.hamcrest.MatcherAssert;27import static org.hamcrest.MatcherAssert.assertThat;28import static org.hamcrest.Matchers.*;29public class HamcrestCondition {30 public static void main(String[] args) {31 Condition<String> condition = new Condition<>(s -> s.contains("a"), "string contains a");32 assertThat("abc", condition);33 assertThat("xyz", not(condition));34 assertThat("abc", condition.describedAs("string does not contain a"));35 }36}
Condition
Using AI Code Generation
1import org.hamcrest.Condition;2import org.hamcrest.Matcher;3import org.junit.Test;4import static org.hamcrest.MatcherAssert.assertThat;5import static org.hamcrest.Matchers.equalTo;6public class ConditionTest {7public void testCondition() {8Condition<Integer> condition = new Condition<Integer>() {9public boolean matches(Integer value) {10return value % 2 == 0;11}12};13Matcher<Integer> evenNumber = new Matcher<Integer>() {14public void describeTo(org.hamcrest.Description description) {15description.appendText("even number");16}17public boolean matches(Object item) {18return condition.matches((Integer) item);19}20public void describeMismatch(Object item, org.hamcrest.Description mismatchDescription) {21mismatchDescription.appendText("was ").appendValue(item);22}23};24assertThat(2, evenNumber);25assertThat(3, equalTo(3));26}27}28at org.junit.Assert.assertEquals(Assert.java:115)29at org.junit.Assert.assertEquals(Assert.java:144)30at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)31at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)32at com.journaldev.junit.ConditionTest.testCondition(ConditionTest.java:35)33at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)34at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)35at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)36at java.lang.reflect.Method.invoke(Method.java:498)37at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)38at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)39at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)40at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)41at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)42at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)43at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)44at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)45at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)46at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
Condition
Using AI Code Generation
1import org.hamcrest.Matcher;2public class ConditionExample {3 public static void main(String[] args) {4 Condition<Integer> condition = new Condition<>(i -> i % 2 == 0, "is even");5 Matcher<Integer> matcher = condition.getMatcher();6 }7}8Java 8: Collectors.groupingBy() Examples9Java 8: Collectors.partitioningBy() Examples10Java 8: Collectors.toMap() Examples11Java 8: Collectors.summarizingInt() Examples12Java 8: Collectors.summarizingLong() Examples13Java 8: Collectors.summarizingDouble() Examples14Java 8: Collectors.summingInt() Examples15Java 8: Collectors.summingLong() Examples16Java 8: Collectors.summingDouble() Examples17Java 8: Collectors.averagingInt() Examples18Java 8: Collectors.averagingLong() Examples19Java 8: Collectors.averagingDouble() Examples20Java 8: Collectors.collectingAndThen() Examples21Java 8: Collectors.mapping() Examples22Java 8: Collectors.flatMapping() Examples23Java 8: Collectors.reducing() Examples24Java 8: Collectors.counting() Examples25Java 8: Collectors.minBy() Examples26Java 8: Collectors.maxBy() Examples27Java 8: Collectors.toList() Examples28Java 8: Collectors.toSet() Examples29Java 8: Collectors.toCollection() Examples30Java 8: Collectors.joining() Examples31Java 8: Collectors.toUnmodifiableList() Examples32Java 8: Collectors.toUnmodifiableSet() Examples
Condition
Using AI Code Generation
1import org.hamcrest.Condition2import org.hamcrest.Matchers3import static org.hamcrest.MatcherAssert.assertThat4import static org.hamcrest.Matchers.equalTo5def "test 1"() {6 def condition = new Condition({ it > 10 }, "greater than 10")7 assertThat(result, equalTo(true))8}9def "test 2"() {10 def condition = new Condition({ it > 10 }, "greater than 10")11 assertThat(result, equalTo(true))12 assertThat(value, condition)13 assertThat(value, Matchers.greaterThan(10))14}15def "test 3"() {16 def condition = new Condition({ it > 10 }, "greater than 10")17 assertThat(result, equalTo(true))18 assertThat(value, Matchers.greaterThan(10))19}20def "test 4"() {21 def condition = new Condition({ it > 10 }, "greater than 10")22 assertThat(value, condition)23 assertThat(value, Matchers.greaterThan(10))24}25def "test 5"() {26 def condition = new Condition({ it > 10 }, "greater than 10")27 assertThat(value, Matchers.greaterThan(10))28}29def "test 6"() {30 def condition = new Condition({ it > 10 }, "greater than 10")
Condition
Using AI Code Generation
1import org.junit.Test;2import org.junit.runner.RunWith;3import org.junit.runners.Parameterized;4import org.junit.runners.Parameterized.Parameters;5import org.junit.runners.Parameterized.Parameter;6import static org.junit.Assert.assertEquals;7import static org.junit.Assert.assertTrue;8import static org.junit.Assert.assertFalse;9import static org.junit.Assert.assertNotNull;10import static org.junit.Assert.assertNull;11import static org.junit.Assert.assertSame;12import static org.junit.Assert.assertNotSame;13@RunWith(Parameterized.class)14public class TestJunit4 {15 public String methodToTest(int num1, int num2) {16 if (num1 == num2) {17 return "Equal";18 } else {19 return "Not Equal";20 }21 }22 public String methodToTest(String str1, String str2) {23 if (str1.equals(str2)) {24 return "Equal";25 } else {26 return "Not Equal";27 }28 }29 public static Collection<Object[]> data() {30 return Arrays.asList(new Object[][] {31 { 1, 1, "Equal" },32 { 2, 2, "Equal" },33 { 3, 3, "Equal" },34 { 4, 4, "Equal" },35 { 5, 5, "Equal" },36 { 6, 6, "Equal" },37 { 7, 7, "Equal" },38 { 8, 8, "Equal" },39 { 9, 9, "Equal" },40 { 10, 10, "Equal" },41 { 1, 2, "Not Equal" },42 { 2, 3, "Not Equal" },43 { 3, 4, "Not Equal" },44 { 4, 5, "Not Equal" },45 { 5, 6, "Not Equal" },46 { 6, 7, "Not Equal" },47 { 7, 8, "Not Equal" },48 { 8
1Start-Class: com.myco.eventlogging.MyService2Spring-Boot-Classes: BOOT-INF/classes/3Spring-Boot-Lib: BOOT-INF/lib/4Spring-Boot-Version: 1.4.0.RELEASE5Created-By: Apache Maven 3.3.96Build-Jdk: 1.8.0_1317Main-Class: org.springframework.boot.loader.JarLauncher8
Source:Why is processing a sorted array faster than processing an unsorted array?
Start-Class: com.myco.eventlogging.MyService
Spring-Boot-Classes: BOOT-INF/classes/
Spring-Boot-Lib: BOOT-INF/lib/
Spring-Boot-Version: 1.4.0.RELEASE
Created-By: Apache Maven 3.3.9
Build-Jdk: 1.8.0_131
Main-Class: org.springframework.boot.loader.JarLauncher
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