How to use create method of org.junit.runner.manipulation.Interface Ordering.Factory class

Best junit code snippet using org.junit.runner.manipulation.Interface Ordering.Factory.create

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...41 /​**42 * Creates an {@link Ordering} from the given factory class. The class must have a public no-arg43 * constructor.44 *45 * @param factoryClass class to use to create the ordering46 * @param annotatedTestClass test class that is annotated with {@link OrderWith}.47 * @throws InvalidOrderingException if the instance could not be created48 */​49 public static Ordering definedBy(50 Class<? extends Ordering.Factory> factoryClass, Description annotatedTestClass)51 throws InvalidOrderingException {52 if (factoryClass == null) {53 throw new NullPointerException("factoryClass cannot be null");54 }55 if (annotatedTestClass == null) {56 throw new NullPointerException("annotatedTestClass cannot be null");57 }58 Ordering.Factory factory;59 try {60 Constructor<? extends Ordering.Factory> constructor = factoryClass.getConstructor();61 factory = constructor.newInstance();62 } catch (NoSuchMethodException e) {63 throw new InvalidOrderingException(String.format(64 CONSTRUCTOR_ERROR_FORMAT,65 getClassName(factoryClass),66 factoryClass.getSimpleName()));67 } catch (Exception e) {68 throw new InvalidOrderingException(69 "Could not create ordering for " + annotatedTestClass, e);70 }71 return definedBy(factory, annotatedTestClass);72 }73 /​**74 * Creates an {@link Ordering} from the given factory.75 *76 * @param factory factory to use to create the ordering77 * @param annotatedTestClass test class that is annotated with {@link OrderWith}.78 * @throws InvalidOrderingException if the instance could not be created79 */​80 public static Ordering definedBy(81 Ordering.Factory factory, Description annotatedTestClass)82 throws InvalidOrderingException {83 if (factory == null) {84 throw new NullPointerException("factory cannot be null");85 }86 if (annotatedTestClass == null) {87 throw new NullPointerException("annotatedTestClass cannot be null");88 }89 return factory.create(new Ordering.Context(annotatedTestClass));90 }91 private static String getClassName(Class<?> clazz) {92 String name = clazz.getCanonicalName();93 if (name == null) {94 return clazz.getName();95 }96 return name;97 }98 /​**99 * Order the tests in <code>target</​code> using this ordering.100 *101 * @throws InvalidOrderingException if ordering does something invalid (like remove or add102 * children)103 */​104 public void apply(Object target) throws InvalidOrderingException {105 /​*106 * Note that some subclasses of Ordering override apply(). The Sorter107 * subclass of Ordering overrides apply() to apply the sort (this is108 * done because sorting is more efficient than ordering).109 */​110 if (target instanceof Orderable) {111 Orderable orderable = (Orderable) target;112 orderable.order(new Orderer(this));113 }114 }115 /​**116 * Returns {@code true} if this ordering could produce invalid results (i.e.117 * if it could add or remove values).118 */​119 boolean validateOrderingIsCorrect() {120 return true;121 }122 /​**123 * Implemented by sub-classes to order the descriptions.124 *125 * @return descriptions in order126 */​127 protected abstract List<Description> orderItems(Collection<Description> descriptions);128 /​** Context about the ordering being applied. */​129 public static class Context {130 private final Description description;131 /​**132 * Gets the description for the top-level target being ordered.133 */​134 public Description getTarget() {135 return description;136 }137 private Context(Description description) {138 this.description = description;139 }140 }141 /​**142 * Factory for creating {@link Ordering} instances.143 *144 * <p>For a factory to be used with {@code @OrderWith} it needs to have a public no-arg145 * constructor.146 */​147 public interface Factory {148 /​**149 * Creates an Ordering instance using the given context. Implementations150 * of this method that do not need to use the context can return the151 * same instance every time.152 */​153 Ordering create(Context context);154 }155}...

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...41 /​**42 * Creates an {@link Ordering} from the given factory class. The class must have a public no-arg43 * constructor.44 *45 * @param factoryClass class to use to create the ordering46 * @param annotatedTestClass test class that is annotated with {@link OrderWith}.47 * @throws InvalidOrderingException if the instance could not be created48 */​49 public static Ordering definedBy(50 Class<? extends Ordering.Factory> factoryClass, Description annotatedTestClass)51 throws InvalidOrderingException {52 if (factoryClass == null) {53 throw new NullPointerException("factoryClass cannot be null");54 }55 if (annotatedTestClass == null) {56 throw new NullPointerException("annotatedTestClass cannot be null");57 }58 Ordering.Factory factory;59 try {60 Constructor<? extends Ordering.Factory> constructor = factoryClass.getConstructor();61 factory = constructor.newInstance();62 } catch (NoSuchMethodException e) {63 throw new InvalidOrderingException(String.format(64 CONSTRUCTOR_ERROR_FORMAT,65 getClassName(factoryClass),66 factoryClass.getSimpleName()));67 } catch (Exception e) {68 throw new InvalidOrderingException(69 "Could not create ordering for " + annotatedTestClass, e);70 }71 return definedBy(factory, annotatedTestClass);72 }73 /​**74 * Creates an {@link Ordering} from the given factory.75 *76 * @param factory factory to use to create the ordering77 * @param annotatedTestClass test class that is annotated with {@link OrderWith}.78 * @throws InvalidOrderingException if the instance could not be created79 */​80 public static Ordering definedBy(81 Ordering.Factory factory, Description annotatedTestClass)82 throws InvalidOrderingException {83 if (factory == null) {84 throw new NullPointerException("factory cannot be null");85 }86 if (annotatedTestClass == null) {87 throw new NullPointerException("annotatedTestClass cannot be null");88 }89 return factory.create(new Ordering.Context(annotatedTestClass));90 }91 private static String getClassName(Class<?> clazz) {92 String name = clazz.getCanonicalName();93 if (name == null) {94 return clazz.getName();95 }96 return name;97 }98 /​**99 * Order the tests in <code>target</​code> using this ordering.100 *101 * @throws InvalidOrderingException if ordering does something invalid (like remove or add102 * children)103 */​104 public void apply(Object target) throws InvalidOrderingException {105 /​*106 * Note that some subclasses of Ordering override apply(). The Sorter107 * subclass of Ordering overrides apply() to apply the sort (this is108 * done because sorting is more efficient than ordering).109 */​110 if (target instanceof Orderable) {111 Orderable orderable = (Orderable) target;112 orderable.order(new Orderer(this));113 }114 }115 /​**116 * Returns {@code true} if this ordering could produce invalid results (i.e.117 * if it could add or remove values).118 */​119 boolean validateOrderingIsCorrect() {120 return true;121 }122 /​**123 * Implemented by sub-classes to order the descriptions.124 *125 * @return descriptions in order126 */​127 protected abstract List<Description> orderItems(Collection<Description> descriptions);128 /​** Context about the ordering being applied. */​129 public static class Context {130 private final Description description;131 /​**132 * Gets the description for the top-level target being ordered.133 */​134 public Description getTarget() {135 return description;136 }137 private Context(Description description) {138 this.description = description;139 }140 }141 /​**142 * Factory for creating {@link Ordering} instances.143 *144 * <p>For a factory to be used with {@code @OrderWith} it needs to have a public no-arg145 * constructor.146 */​147 public interface Factory {148 /​**149 * Creates an Ordering instance using the given context. Implementations150 * of this method that do not need to use the context can return the151 * same instance every time.152 */​153 Ordering create(Context context);154 }155}...

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...41 /​**42 * Creates an {@link Ordering} from the given factory class. The class must have a public no-arg43 * constructor.44 *45 * @param factoryClass class to use to create the ordering46 * @param annotatedTestClass test class that is annotated with {@link OrderWith}.47 * @throws InvalidOrderingException if the instance could not be created48 */​49 public static Ordering definedBy(50 Class<? extends Ordering.Factory> factoryClass, Description annotatedTestClass)51 throws InvalidOrderingException {52 if (factoryClass == null) {53 throw new NullPointerException("factoryClass cannot be null");54 }55 if (annotatedTestClass == null) {56 throw new NullPointerException("annotatedTestClass cannot be null");57 }58 Ordering.Factory factory;59 try {60 Constructor<? extends Ordering.Factory> constructor = factoryClass.getConstructor();61 factory = constructor.newInstance();62 } catch (NoSuchMethodException e) {63 throw new InvalidOrderingException(String.format(64 CONSTRUCTOR_ERROR_FORMAT,65 getClassName(factoryClass),66 factoryClass.getSimpleName()));67 } catch (Exception e) {68 throw new InvalidOrderingException(69 "Could not create ordering for " + annotatedTestClass, e);70 }71 return definedBy(factory, annotatedTestClass);72 }73 /​**74 * Creates an {@link Ordering} from the given factory.75 *76 * @param factory factory to use to create the ordering77 * @param annotatedTestClass test class that is annotated with {@link OrderWith}.78 * @throws InvalidOrderingException if the instance could not be created79 */​80 public static Ordering definedBy(81 Ordering.Factory factory, Description annotatedTestClass)82 throws InvalidOrderingException {83 if (factory == null) {84 throw new NullPointerException("factory cannot be null");85 }86 if (annotatedTestClass == null) {87 throw new NullPointerException("annotatedTestClass cannot be null");88 }89 return factory.create(new Ordering.Context(annotatedTestClass));90 }91 private static String getClassName(Class<?> clazz) {92 String name = clazz.getCanonicalName();93 if (name == null) {94 return clazz.getName();95 }96 return name;97 }98 /​**99 * Order the tests in <code>target</​code> using this ordering.100 *101 * @throws InvalidOrderingException if ordering does something invalid (like remove or add102 * children)103 */​104 public void apply(Object target) throws InvalidOrderingException {105 /​*106 * Note that some subclasses of Ordering override apply(). The Sorter107 * subclass of Ordering overrides apply() to apply the sort (this is108 * done because sorting is more efficient than ordering).109 */​110 if (target instanceof Orderable) {111 Orderable orderable = (Orderable) target;112 orderable.order(new Orderer(this));113 }114 }115 /​**116 * Returns {@code true} if this ordering could produce invalid results (i.e.117 * if it could add or remove values).118 */​119 boolean validateOrderingIsCorrect() {120 return true;121 }122 /​**123 * Implemented by sub-classes to order the descriptions.124 *125 * @return descriptions in order126 */​127 protected abstract List<Description> orderItems(Collection<Description> descriptions);128 /​** Context about the ordering being applied. */​129 public static class Context {130 private final Description description;131 /​**132 * Gets the description for the top-level target being ordered.133 */​134 public Description getTarget() {135 return description;136 }137 private Context(Description description) {138 this.description = description;139 }140 }141 /​**142 * Factory for creating {@link Ordering} instances.143 *144 * <p>For a factory to be used with {@code @OrderWith} it needs to have a public no-arg145 * constructor.146 */​147 public interface Factory {148 /​**149 * Creates an Ordering instance using the given context. Implementations150 * of this method that do not need to use the context can return the151 * same instance every time.152 */​153 Ordering create(Context context);154 }155}...

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1public interface org.junit.runner.manipulation.Ordering$Factory {2 public abstract org.junit.runner.manipulation.Ordering create(org.junit.runner.manipulation.Ordering$Context);3}...

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1 public class TestRunner {2 public static void main(String[] args) {3 Result result = JUnitCore.runClasses(TestJunit1.class);4 for (Failure failure : result.getFailures()) {5 System.out.println(failure.toString());6 }7 System.out.println(result.wasSuccessful());8 }9 }10 public class TestJunit1 {11 public void testAdd() {12 String str = "Junit is working fine";13 assertEquals("Junit is working fine", str);14 }15 public void testAdd1() {16 String str = "Junit is working fine";17 assertEquals("Junit is working fine", str);18 }19 }20 public class TestJunit2 {21 public void testAdd2() {22 String str = "Junit is working fine";23 assertEquals("Junit is working fine", str);24 }25 public void testAdd3() {26 String str = "Junit is working fine";27 assertEquals("Junit is working fine", str);28 }29 }30 public class TestJunit3 {31 public void testAdd4() {32 String str = "Junit is working fine";33 assertEquals("Junit is working fine", str);34 }35 public void testAdd5() {36 String str = "Junit is working fine";37 assertEquals("Junit is working fine", str);38 }39 }40 public class TestJunit4 {41 public void testAdd6() {42 String str = "Junit is working fine";43 assertEquals("Junit is working fine", str);44 }45 public void testAdd7() {46 String str = "Junit is working fine";47 assertEquals("Junit is working fine", str);48 }49 }50 public class TestJunit5 {51 public void testAdd8() {52 String str = "Junit is working fine";53 assertEquals("Junit is working fine", str);54 }55 public void testAdd9() {56 String str = "Junit is working fine";57 assertEquals("Junit is working fine", str);58 }59 }60 public class TestJunit6 {61 public void testAdd10() {

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1 public static InterfaceOrdering create() {2 return new InterfaceOrdering();3 }4 public void apply(Object test) {5 if (test instanceof Sortable) {6 ((Sortable) test).sort(this);7 }8 }9 public int compare(Class<?> o1, Class<?> o2) {10 return o1.getName().compareTo(o2.getName());11 }12}13import org.junit.runner.RunWith;14import org.junit.runners.Suite;15@RunWith(InterfaceOrdering.class)16@Suite.SuiteClasses({17})18public class TestInterfaceOrdering {19}20JUnit | @RunWith(Suite.class)21JUnit | @RunWith(Parameterized.class)22JUnit | @RunWith(Theories.class)23JUnit | @RunWith(SpringRunner.class)24JUnit | @RunWith(SpringJUnit4ClassRunner.class)25JUnit | @RunWith(CustomRunner.class)26JUnit | @RunWith(Parameterized.class) | Examples27JUnit | @RunWith(Parameterized.class) | Parameterized Constructor28JUnit | @RunWith(Parameterized.class) | Parameterized Tests29JUnit | @RunWith(Parameterized.class) | Parameterized Test Methods30JUnit | @RunWith(Parameterized.class) | Using a Custom Class31JUnit | @RunWith(Parameterized.class) | Using a Custom Class with a Constructor32JUnit | @RunWith(Parameterized.class) | Using a Custom Class with a Constructor and Test Methods33JUnit | @RunWith(Parameter

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1import org.junit.runner.manipulation.Ordering;2import org.junit.runner.manipulation.Sorter;3import org.junit.runner.Description;4import org.junit.runner.RunWith;5import org.junit.runners.Suite;6import org.junit.runners.Suite.SuiteClasses;7@RunWith(Suite.class)8@SuiteClasses({Test1.class, Test2.class, Test3.class})9public class TestSuite {10 public static void main(String[] args) {11 Sorter sorter = new Sorter(new Ordering() {12 public void apply(List<Description> children) {13 Collections.reverse(children);14 }15 });16 sorter.apply(new Suite(TestSuite.class));17 }18}

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1import org.junit.runner.manipulation.*;2import org.junit.runner.*;3public class Alphabetical implements Ordering {4 public void apply(List<Runner> runners) {5 Collections.sort(runners, new Comparator<Runner>() {6 public int compare(Runner o1, Runner o2) {7 return o1.getDescription().getDisplayName().compareTo(o2.getDescription().getDisplayName());8 }9 });10 }11}12public class ReverseAlphabetical implements Ordering {13 public void apply(List<Runner> runners) {14 Collections.sort(runners, new Comparator<Runner>() {15 public int compare(Runner o1, Runner o2) {16 return o2.getDescription().getDisplayName().compareTo(o1.getDescription().getDisplayName());17 }18 });19 }20}21public class Random implements Ordering {22 public void apply(List<Runner> runners) {23 Collections.shuffle(runners);24 }25}26public class Reverse implements Ordering {27 public void apply(List<Runner> runners) {28 Collections.reverse(runners);29 }30}31public class FailuresFirst implements Ordering {32 public void apply(List<Runner> runners) {33 Collections.sort(runners, new Comparator<Runner>() {34 public int compare(Runner o1, Runner o2) {35 return o1.getDescription().getDisplayName().compareTo(o2.getDescription().getDisplayName());36 }37 });38 }39}

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If you add in Hamcrest and JUnit4, you could do:

String x = "foo bar";
Assert.assertThat(x, CoreMatchers.containsString("foo"));

With some static imports, it looks a lot better:

assertThat(x, containsString("foo"));

The static imports needed would be:

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.CoreMatchers.containsString;
https://stackoverflow.com/questions/1092219/assertcontains-on-strings-in-junit

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