How to use either method of org.junit.matchers.JUnitMatchers class

Best junit code snippet using org.junit.matchers.JUnitMatchers.either

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...70 public void testAssertThatHamcrestCoreMatchers() {71 assertThat("good", allOf(equalTo("good"), startsWith("good")));72 assertThat("good", not(allOf(equalTo("bad"), equalTo("good"))));73 assertThat("good", anyOf(equalTo("bad"), equalTo("good")));74 assertThat(7, not(CombinableMatcher.<Integer> either(equalTo(3)).or(equalTo(4))));75 assertThat(new Object(), not(sameInstance(new Object())));76 }77 @Test78 public void testAssertTrue() {79 assertTrue("failure - should be true", true);80 }81}...

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1package org.example.junitmatchers;2import static org.hamcrest.Matchers.both;3import static org.hamcrest.Matchers.contains;4import static org.hamcrest.Matchers.containsInAnyOrder;5import static org.hamcrest.Matchers.either;6import static org.hamcrest.Matchers.hasProperty;7import static org.hamcrest.Matchers.hasSize;8import static org.hamcrest.Matchers.is;9import static org.hamcrest.Matchers.notNullValue;10import static org.hamcrest.Matchers.sameInstance;11import static org.junit.Assert.assertThat;12import static org.junit.matchers.JUnitMatchers.everyItem;13import static org.junit.matchers.JUnitMatchers.hasItem;14import static org.junit.matchers.JUnitMatchers.hasItems;15import java.util.Arrays;16import java.util.List;17import org.example.domain.SWFigure;18import org.example.domain.SWVehicle;19import org.junit.BeforeClass;20import org.junit.Test;21public class CollectionMatchers {22 private static SWVehicle vehicle;23 private static SWFigure chewie;24 private static SWFigure wicket;25 private static SWFigure han;26 27 @BeforeClass28 public static void beforeTests() {29 chewie = new SWFigure("Chewbacca", 200);30 wicket = new SWFigure("Wicket", 10);31 han = new SWFigure("Han Solo", 10);32 33 vehicle = new SWVehicle("AT-AT");34 vehicle.setFigures(Arrays.asList(chewie, wicket, han));35 }36 37 @Test38 public void assert_hasItem() {39 assertThat(vehicle.getFigures(), hasItem(chewie));40 } 41 42 @Test43 public void assert_hasItems() {44 assertThat(vehicle.getFigures(), hasItems(chewie, wicket));45 }46 47 @Test48 public void assert_contains() { 49 /​/​ Same as above but use contains (horribly based on insertion order with list)50 assertThat("Vehicle contains figures in order", vehicle.getFigures(), contains(chewie, wicket, han));51 } 52 53 @Test54 public void assert_containsInAnyOrder() { 55 assertThat("Vehicle contains figures in order", vehicle.getFigures(), containsInAnyOrder(chewie, han, wicket));56 } 57 58 @Test59 public void assert_hasSize() {60 assertThat(vehicle.getFigures(), hasSize(3));61 }62 63 @Test64 public void assert_everyItem_hasProperty() {65 List<SWFigure> figures = vehicle.getFigures();66 /​/​ ?67 }68 69 @Test70 public void assert_either_or() {71 assertThat(vehicle.getFigures(), either(hasItem(chewie)).72 or(hasItem(wicket)));73 }74 75 @Test76 public void assert_both_and() {77 assertThat(vehicle.getFigures(), both(hasItem(chewie)).78 and(hasItem(wicket)));79 } 80 81 @Test82 public void assert_isSameInstance() {83 SWFigure otherChewie = vehicle.getFigureByName("Chewbacca");84 assertThat(chewie, is(sameInstance(otherChewie)));85 }...

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...4import static org.junit.Assert.assertThat;5import static org.junit.Assume.assumeTrue;6import static org.junit.matchers.JUnitMatchers.both;7import static org.junit.matchers.JUnitMatchers.containsString;8import static org.junit.matchers.JUnitMatchers.either;9import org.hamcrest.Matcher;10import org.junit.Test;11import org.junit.experimental.theories.DataPoint;12import org.junit.experimental.theories.Theories;13import org.junit.experimental.theories.Theory;14import org.junit.runner.RunWith;15@RunWith(Theories.class)16public class BothTest {17 @DataPoint18 public static Matcher<Integer> IS_3= is(3);19 @DataPoint20 public static Matcher<Integer> IS_4= is(4);21 @DataPoint22 public static int THREE= 3;23 @Test24 public void bothPasses() {25 assertThat(3, both(is(Integer.class)).and(is(3)));26 }27 @Theory28 public void bothFails(int value, Matcher<Integer> first,29 Matcher<Integer> second) {30 assumeTrue(!(first.matches(value) && second.matches(value)));31 assertThat(value, not(both(first).and(second)));32 }33 @Theory34 public <T> void descriptionIsSensible(Matcher<T> first, Matcher<T> second) {35 Matcher<?> both= both(first).and(second);36 assertThat(both.toString(), containsString(first.toString()));37 assertThat(both.toString(), containsString(second.toString()));38 }39 @Test40 public void eitherPasses() {41 assertThat(3, either(is(3)).or(is(4)));42 }43 @Theory44 public <T> void threeAndsWork(Matcher<Integer> first,45 Matcher<Integer> second, Matcher<Integer> third, int value) {46 assumeTrue(first.matches(value) && second.matches(value)47 && third.matches(value));48 assertThat(value, both(first).and(second).and(third));49 }50 @Theory51 public <T> void threeOrsWork(Matcher<Integer> first,52 Matcher<Integer> second, Matcher<Integer> third, int value) {53 assumeTrue(first.matches(value) || second.matches(value)54 || third.matches(value));55 assertThat(value, either(first).or(second).or(third));56 }57 58 @Test public void subclassesAreOkInSecondPositionOnly() {59 /​/​ TODO: (Jul 16, 2007 11:09:25 AM) I'd love to have subclasses first, but will Java typing allow it?60 assertThat(3, both(is(Integer.class)).and(is(3)));61 }62}...

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...4import static org.hamcrest.CoreMatchers.not;5import static org.hamcrest.CoreMatchers.nullValue;6import static org.junit.Assert.assertThat;7import static org.junit.Assert.assertTrue;8import static org.junit.matchers.JUnitMatchers.either;910import java.util.HashSet;11import java.util.Set;1213import org.junit.Test;14import org.junit.runner.RunWith;15import org.springframework.beans.factory.annotation.Autowired;16import org.springframework.context.ApplicationContext;17import org.springframework.test.context.ContextConfiguration;18import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;1920/​/​2-2421@RunWith(SpringJUnit4ClassRunner.class)22@ContextConfiguration(locations = "junit.xml")23public class JunitTest {24 @Autowired25 ApplicationContext context;26 27 static Set<JunitTest> testObjects = new HashSet<>();28 static ApplicationContext contextObject = null;29 30 @Test31 public void test1() {32 assertThat(testObjects, not(org.junit.matchers.JUnitMatchers.hasItem((this))));33 testObjects.add(this);34 assertThat(contextObject == null || contextObject == this.context, is(true));35 }36 37 @Test38 public void test3() {39 assertTrue(contextObject == null || contextObject == this.context);40 testObjects.add(this);41 }42 @Test43 public void test2() {44 assertThat(testObjects, not(org.junit.matchers.JUnitMatchers.hasItem((this))));45 assertThat(contextObject, either(is(nullValue())).or(is(this.context)));46 testObjects.add(this);47 }48} ...

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either

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1import static org.junit.matchers.JUnitMatchers.containsString;2import static org.junit.matchers.JUnitMatchers.hasItem;3import org.junit.Test;4import java.util.ArrayList;5import java.util.Arrays;6import java.util.List;7public class JUnitMatchersTest {8 public void testContainsString() {9 String str = "Hello World";10 assertThat(str, containsString("Hello"));11 }12 public void testHasItem() {13 List<String> list = new ArrayList<String>(Arrays.asList("Hello", "World"));14 assertThat(list, hasItem("Hello"));15 }16}

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either

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1import static org.junit.matchers.JUnitMatchers.*;2import static org.hamcrest.CoreMatchers.*;3import static org.hamcrest.Matchers.*;4import static org.junit.matchers.JUnitMatchers.*;5import static org.hamcrest.CoreMatchers.*;6import static org.hamcrest.Matchers.*;7import static org.junit.matchers.JUnitMatchers.*;8import static org.hamcrest.CoreMatchers.*;9import static org.hamcrest.Matchers.*;10import static org.junit.matchers.JUnitMatchers.*;11import static org.hamcrest.CoreMatchers.*;12import static org.hamcrest.Matchers.*;13import static org.junit.matchers.JUnitMatchers.*;14import static org.hamcrest.CoreMatchers.*;15import static org.hamcrest.Matchers.*;16import static org.junit.matchers.JUnitMatchers.*;17import static org.hamcrest.CoreMatchers.*;18import static org.hamcrest.Matchers.*;19import static org.junit.matchers.JUnitMatchers.*;20import static org.hamcrest.CoreMatchers.*;21import static org.hamcrest.Matchers.*;22import static org.junit.matchers.JUnitMatchers.*;23import static org.hamcrest.CoreMatchers.*;24import static org.hamcrest.Matchers.*;25import static org.junit.matchers.JUnitMatchers.*;26import static org.hamcrest.CoreMatchers.*;27import static org.hamcrest.Matchers.*;28import static org.junit.matchers.JUnitMatchers.*;29import static org.hamcrest.CoreMatchers.*;30import static org.hamcrest.Matchers.*;31import static org.junit.matchers.JUnitMatchers.*;32import static org.hamcrest.CoreMatchers.*;33import static org.hamcrest.Matchers.*;34import static org

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1import static org.junit.matchers.JUnitMatchers.*;2import static org.hamcrest.CoreMatchers.*;3import static org.junit.Assert.*;4public class TestJunit {5 public void testAdd() {6 int num = 5;7 String temp = null;8 String str = "Junit is working fine";9 assertEquals("Junit is working fine", str);10 assertFalse(num > 6);11 assertNotNull(str);12 assertNull(temp);13 assertSame(str, str);14 assertNotSame(str, temp);15 assertTrue(num < 6);16 assertArrayEquals(new String[] {"one", "two", "three"}, new String[] {"one", "two", "three"});17 }18 public void testMatcher() {19 assertThat("good", allOf(equalTo("good"), startsWith("good")));20 assertThat("good", not(allOf(equalTo("bad"), equalTo("good"))));21 assertThat("good", anyOf(equalTo("bad"), equalTo("good")));22 assertThat(7, not(CombinableMatcher.<Integer> either(equalTo(3)).or(equalTo(4))));23 assertThat(new Object(), not(sameInstance(new Object())));24 }25}

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1import org.junit.Test;2import org.junit.matchers.JUnitMatchers;3import static org.junit.Assert.assertThat;4import static org.hamcrest.CoreMatchers.is;5public class JUnitMatchersTest {6 public void testAssertThatHamcrestCoreMatchersIs() {7 assertThat("good", is("good"));8 }9 public void testAssertThatJUnitMatchersContainsString() {10 assertThat("good", JUnitMatchers.containsString("o"));11 }12}13OK (1 test)14OK (1 test)15testCompile(group = "junit", name = "junit", version = "4.13")

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1public int add(int a, int b) {2 return a + b;3}4public int add(int a, int b) {5 return a + b;6}7public int add(int a, int b) {8}9public int add(int a, int b) {10}11public int add(int a, int b) {12}13add(int a, int b)

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Had the same message. I had to remove the Run/Debug configuration.

In my case, I ran the unit test as a local test before. After that I moved my test to the androidTest package and tried to run it again. Android Studio remembered the last run configuration so it tried to run it again as a local unit test which produced the same error.

After removing the config and running the test again it generated a new configuration and worked.

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https://stackoverflow.com/questions/39282282/class-not-found-empty-test-suite-in-intellij

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