Best junit code snippet using org.junit.runner.FilterFactoryParams
Source: CategoryFilterFactoryTest.java
...11import org.junit.rules.ExpectedException;12import org.junit.rules.TestName;13import org.junit.runner.Description;14import org.junit.runner.FilterFactory;15import org.junit.runner.FilterFactoryParams;16import org.junit.runner.manipulation.Filter;1718public class CategoryFilterFactoryTest {19 private final CategoryFilterFactory categoryFilterFactory = new CategoryFilterFactoryStub();20 @Rule21 public ExpectedException expectedException = ExpectedException.none();22 @Rule23 public TestName testName = new TestName();2425 @Test26 public void shouldCreateFilter() throws Exception {27 FilterFactoryParams params = new FilterFactoryParams(28 createSuiteDescription(testName.getMethodName()),29 CategoryFilterFactoryStub.class.getName());30 Filter filter = categoryFilterFactory.createFilter(params);3132 assertThat(filter, instanceOf(DummyFilter.class));33 }3435 @Test36 public void shouldThrowException() throws Exception {37 FilterFactoryParams params = new FilterFactoryParams(38 createSuiteDescription(testName.getMethodName()),39 "NonExistentFilter");4041 expectedException.expect(FilterFactory.FilterNotCreatedException.class);4243 categoryFilterFactory.createFilter(params);44 }4546 private static class CategoryFilterFactoryStub extends CategoryFilterFactory {47 @Override48 protected Filter createFilter(List<Class<?>> categories) {49 return new DummyFilter();50 }51 }
...
Source: FilterFactories.java
...13 strArr = str.split(str2, 2);14 } else {15 strArr = new String[]{str, ""};16 }17 return createFilter(strArr[0], new FilterFactoryParams(description, strArr[1]));18 }19 public static Filter createFilter(String str, FilterFactoryParams filterFactoryParams) throws FilterNotCreatedException {20 return createFilterFactory(str).createFilter(filterFactoryParams);21 }22 public static Filter createFilter(Class<? extends FilterFactory> cls, FilterFactoryParams filterFactoryParams) throws FilterNotCreatedException {23 return createFilterFactory(cls).createFilter(filterFactoryParams);24 }25 static FilterFactory createFilterFactory(String str) throws FilterNotCreatedException {26 try {27 return createFilterFactory(Classes.getClass(str).asSubclass(FilterFactory.class));28 } catch (Exception e) {29 throw new FilterNotCreatedException(e);30 }31 }32 static FilterFactory createFilterFactory(Class<? extends FilterFactory> cls) throws FilterNotCreatedException {33 try {34 return (FilterFactory) cls.getConstructor(new Class[0]).newInstance(new Object[0]);35 } catch (Exception e) {36 throw new FilterNotCreatedException(e);...
Source: CategoryFilterFactory.java
...3import java.util.List;4import org.junit.internal.Classes;5import org.junit.runner.FilterFactory;6import org.junit.runner.FilterFactory.FilterNotCreatedException;7import org.junit.runner.FilterFactoryParams;8import org.junit.runner.manipulation.Filter;9abstract class CategoryFilterFactory implements FilterFactory {10 /* access modifiers changed from: protected */11 public abstract Filter createFilter(List<Class<?>> list);12 CategoryFilterFactory() {13 }14 public Filter createFilter(FilterFactoryParams filterFactoryParams) throws FilterNotCreatedException {15 try {16 return createFilter(parseCategories(filterFactoryParams.getArgs()));17 } catch (ClassNotFoundException e) {18 throw new FilterNotCreatedException(e);19 }20 }21 private List<Class<?>> parseCategories(String str) throws ClassNotFoundException {22 ArrayList arrayList = new ArrayList();23 for (String str2 : str.split(",")) {24 arrayList.add(Classes.getClass(str2));25 }26 return arrayList;27 }28}...
Source: JUnitNameFilterFactory.java
1package com.zendesk.maxwell;2import org.junit.runner.Description;3import org.junit.runner.FilterFactory;4import org.junit.runner.FilterFactoryParams;5import org.junit.runner.manipulation.Filter;6/**7 * Created by ben on 12/26/16.8 */9public class JUnitNameFilterFactory implements FilterFactory {10 private class JUnitNameFilter extends Filter {11 private final String filterString;12 private JUnitNameFilter(String filterString) {13 this.filterString = filterString;14 }15 @Override16 public boolean shouldRun(Description description) {17 String methodName = description.getMethodName();18 if ( methodName == null )19 return true;20 return filterString.equalsIgnoreCase(methodName);21 }22 @Override23 public String describe() {24 return "name = " + filterString;25 }26 }27 @Override28 public Filter createFilter(FilterFactoryParams params) throws FilterNotCreatedException {29 return new JUnitNameFilter(params.getArgs().toString());30 }31}...
FilterFactoryParams
Using AI Code Generation
1FilterFactoryParams filterFactoryParams = new FilterFactoryParams();2FilterFactory filterFactory = new FilterFactory();3Filter filter = filterFactory.createFilter(filterFactoryParams);4Request request = new Request();5Description description = new Description();6Runner runner = new Runner();7RunListener runListener = new RunListener();8RunNotifier runNotifier = new RunNotifier();9JUnitCore jUnitCore = new JUnitCore();10Result result = new Result();11TextListener textListener = new TextListener(System.out);12Failure failure = new Failure(description, new Exception());13Computer computer = new Computer();14MethodSorters methodSorters = new MethodSorters();15Suite suite = new Suite();16Parameterized parameterized = new Parameterized();17ParentRunner parentRunner = new ParentRunner();
FilterFactoryParams
Using AI Code Generation
1public void testFilterFactoryParams() {2 FilterFactoryParams filterFactoryParams = new FilterFactoryParams();3 filterFactoryParams.addIncludeAnnotation(Test.class);4 filterFactoryParams.addIncludeFilter(new FilterParams().addFilter("priority", "<", "5"));5 Filter filter = filterFactoryParams.createFilter();6 assertTrue(filter.shouldRun(new Description("test", "test", "test", AnnotationBuilder.build(Test.class))));7 assertTrue(filter.shouldRun(new Description("test", "test", "test", AnnotationBuilder.build(Test.class, "priority", 3))));8 assertFalse(filter.shouldRun(new Description("test", "test", "test", AnnotationBuilder.build(Test.class, "priority", 5))));9}10public void testFilterFactoryParams() {11 FilterFactoryParams filterFactoryParams = new FilterFactoryParams();12 filterFactoryParams.addIncludeAnnotation(Test.class);13 filterFactoryParams.addIncludeFilter(new FilterParams().addFilter("priority", "<", "5"));14 Filter filter = filterFactoryParams.createFilter();15 assertTrue(filter.shouldRun(new Description("test", "test", "test", AnnotationBuilder.build(Test.class))));16 assertTrue(filter.shouldRun(new Description("test", "test", "test", AnnotationBuilder.build(Test.class, "priority", 3))));17 assertFalse(filter.shouldRun(new Description("test", "test", "test", AnnotationBuilder.build(Test.class, "priority", 5))));18}19public void testFilterFactoryParams() {20 FilterFactoryParams filterFactoryParams = new FilterFactoryParams();21 filterFactoryParams.addIncludeAnnotation(Test.class);22 filterFactoryParams.addIncludeFilter(new FilterParams().addFilter("priority", "<", "
FilterFactoryParams
Using AI Code Generation
1package org.apache.hadoop.hbase.filter;2import java.io.IOException;3import java.util.ArrayList;4import java.util.Arrays;5import java.util.Collection;6import java.util.List;7import java.util.Map;8import java.util.NavigableMap;9import java.util.NavigableSet;10import java.util.Random;11import java.util.TreeMap;12import java.util.TreeSet;13import org.apache.hadoop.conf.Configuration;14import org.apache.hadoop.hbase.Cell;15import org.apache.hadoop.hbase.CellComparator;16import org.apache.hadoop.hbase.CellUtil;17import org.apache.hadoop.hbase.HBaseClassTestRule;18import org.apache.hadoop.hbase.KeyValue;19import org.apache.hadoop.hbase.KeyValueTestUtil;20import org.apache.hadoop.hbase.TableName;21import org.apache.hadoop.hbase.client.Admin;22import org.apache.hadoop.hbase.client.Connection;23import org.apache.hadoop.hbase.client.ConnectionFactory;24import org.apache.hadoop.hbase.client.Durability;25import org.apache.hadoop.hbase.client.Get;26import org.apache.hadoop.hbase.client.Put;27import org.apache.hadoop.hbase.client.Result;28import org.apache.hadoop.hbase.client.ResultScanner;29import org.apache.hadoop.hbase.client.Scan;30import org.apache.hadoop.hbase.client.Table;31import org.apache.hadoop.hbase.filter.Filter.ReturnCode;32import org.apache.hadoop.hbase.testclassification.ClientTests;33import org.apache.hadoop.hbase.testclassification.MediumTests;34import org.apache.hadoop.hbase.util.Bytes;35import org.junit.AfterClass;36import org.junit.Assert;37import org.junit.BeforeClass;38import org.junit.ClassRule;39import org.junit.Test;40import org.junit.experimental.categories.Category;41import org.junit.runner.RunWith;42import org.junit.runners.Parameterized;43import org.junit.runners.Parameterized.Parameters;44import org.junit.runners.Parameterized.UseParametersRunnerFactory;45import org.junit.runners.model.FrameworkMethod;46import org.junit.runners.model.InitializationError;47import org.junit.runners.model.TestClass;48import org.apache.hbase.thirdparty
JUnit 4 Expected Exception type
java: how to mock Calendar.getInstance()?
Changing names of parameterized tests
Mocking a class vs. mocking its interface
jUnit ignore @Test methods from base class
Important frameworks/tools to learn
Unit testing a Java Servlet
Meaning of delta or epsilon argument of assertEquals for double values
Different teardown for each @Test in jUnit
Best way to automagically migrate tests from JUnit 3 to JUnit 4?
There's actually an alternative to the @Test(expected=Xyz.class)
in JUnit 4.7 using Rule
and ExpectedException
In your test case you declare an ExpectedException
annotated with @Rule
, and assign it a default value of ExpectedException.none()
. Then in your test that expects an exception you replace the value with the actual expected value. The advantage of this is that without using the ugly try/catch method, you can further specify what the message within the exception was
@Rule public ExpectedException thrown= ExpectedException.none();
@Test
public void myTest() {
thrown.expect( Exception.class );
thrown.expectMessage("Init Gold must be >= 0");
rodgers = new Pirate("Dread Pirate Rodgers" , -100);
}
Using this method, you might be able to test for the message in the generic exception to be something specific.
ADDITION
Another advantage of using ExpectedException
is that you can more precisely scope the exception within the context of the test case. If you are only using @Test(expected=Xyz.class)
annotation on the test, then the Xyz exception can be thrown anywhere in the test code -- including any test setup or pre-asserts within the test method. This can lead to a false positive.
Using ExpectedException, you can defer specifying the thrown.expect(Xyz.class)
until after any setup and pre-asserts, just prior to actually invoking the method under test. Thus, you more accurately scope the exception to be thrown by the actual method invocation rather than any of the test fixture itself.
JUnit 5 NOTE:
JUnit 5 JUnit Jupiter has removed @Test(expected=...)
, @Rule
and ExpectedException
altogether. They are replaced with the new assertThrows()
, which requires the use of Java 8 and lambda syntax. ExpectedException
is still available for use in JUnit 5 through JUnit Vintage. Also JUnit Jupiter will also continue to support JUnit 4 ExpectedException
through use of the junit-jupiter-migrationsupport module, but only if you add an additional class-level annotation of @EnableRuleMigrationSupport
.
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