KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta 
How to use expect method of org.easymock.EasyMock class
Best Easymock code snippet using org.easymock.EasyMock.expect
Source:TestMemcachedHttpCacheStorage.java 
...69 final String url = "foo";70 final HttpCacheEntry value = HttpTestUtils.makeCacheEntry();71 mockSerializer.writeTo(EasyMock.isA(HttpCacheEntry.class), EasyMock72 .isA(OutputStream.class));73 EasyMock.expect(74 mockMemcachedClient.set(EasyMock.eq(url), EasyMock.eq(0),75 EasyMock.aryEq(new byte[0]))).andReturn(null);76 replayMocks();77 impl.putEntry(url, value);78 verifyMocks();79 }80 @Test81 public void testCacheGet() throws UnsupportedEncodingException,82 IOException {83 final String url = "foo";84 final HttpCacheEntry cacheEntry = HttpTestUtils.makeCacheEntry();85 EasyMock.expect(mockMemcachedClient.get(url)).andReturn(new byte[] {});86 EasyMock.expect(87 mockSerializer.readFrom(EasyMock.isA(InputStream.class)))88 .andReturn(cacheEntry);89 replayMocks();90 HttpCacheEntry resultingEntry = impl.getEntry(url);91 verifyMocks();92 assertSame(cacheEntry, resultingEntry);93 }94 @Test95 public void testCacheGetNullEntry() throws IOException {96 final String url = "foo";97 EasyMock.expect(mockMemcachedClient.get(url)).andReturn(null);98 replayMocks();99 HttpCacheEntry resultingEntry = impl.getEntry(url);100 verifyMocks();101 assertNull(resultingEntry);102 }103 @Test104 public void testCacheRemove() throws IOException {105 final String url = "foo";106 EasyMock.expect(mockMemcachedClient.delete(url)).andReturn(null);107 replayMocks();108 impl.removeEntry(url);109 verifyMocks();110 }111 @Test112 public void testCacheUpdateNullEntry() throws IOException,113 HttpCacheUpdateException {114 final String url = "foo";115 final HttpCacheEntry updatedValue = HttpTestUtils.makeCacheEntry();116 HttpCacheUpdateCallback callback = new HttpCacheUpdateCallback() {117 public HttpCacheEntry update(HttpCacheEntry old) {118 assertNull(old);119 return updatedValue;120 }121 };122 // get empty old entry123 EasyMock.expect(mockMemcachedClient.gets(url)).andReturn(null);124 // EasyMock.expect(mockCache.get(key)).andReturn(null);125 // put new entry126 mockSerializer.writeTo(EasyMock.same(updatedValue), EasyMock127 .isA(OutputStream.class));128 EasyMock.expect(129 mockMemcachedClient.set(EasyMock.eq(url), EasyMock.eq(0),130 EasyMock.aryEq(new byte[0]))).andReturn(null);131 replayMocks();132 impl.updateEntry(url, callback);133 verifyMocks();134 }135 @Test136 public void testCacheUpdate() throws IOException, HttpCacheUpdateException {137 final String url = "foo";138 final HttpCacheEntry existingValue = HttpTestUtils.makeCacheEntry();139 final HttpCacheEntry updatedValue = HttpTestUtils.makeCacheEntry();140 CASValue<Object> v = new CASValue<Object>(1234, new byte[] {});141 HttpCacheUpdateCallback callback = new HttpCacheUpdateCallback() {142 public HttpCacheEntry update(HttpCacheEntry old) {143 assertEquals(existingValue, old);144 return updatedValue;145 }146 };147 // get existing old entry148 EasyMock.expect(mockMemcachedClient.gets(url)).andReturn(v);149 EasyMock.expect(150 mockSerializer.readFrom(EasyMock.isA(InputStream.class)))151 .andReturn(existingValue);152 // update153 EasyMock.expect(154 mockMemcachedClient.cas(EasyMock.eq(url), EasyMock.eq(v155 .getCas()), EasyMock.aryEq(new byte[0]))).andReturn(156 CASResponse.OK);157 mockSerializer.writeTo(EasyMock.same(updatedValue), EasyMock158 .isA(OutputStream.class));159 replayMocks();160 impl.updateEntry(url, callback);161 verifyMocks();162 }163 @Test164 public void testSingleCacheUpdateRetry() throws IOException,165 HttpCacheUpdateException {166 final String url = "foo";167 final HttpCacheEntry existingValue = HttpTestUtils.makeCacheEntry();168 final HttpCacheEntry updatedValue = HttpTestUtils.makeCacheEntry();169 CASValue<Object> v = new CASValue<Object>(1234, new byte[] {});170 HttpCacheUpdateCallback callback = new HttpCacheUpdateCallback() {171 public HttpCacheEntry update(HttpCacheEntry old) {172 assertEquals(existingValue, old);173 return updatedValue;174 }175 };176 // get existing old entry, will happen twice177 EasyMock.expect(mockMemcachedClient.gets(url)).andReturn(v).times(2);178 EasyMock.expect(179 mockSerializer.readFrom(EasyMock.isA(InputStream.class)))180 .andReturn(existingValue).times(2);181 // update but fail182 mockSerializer.writeTo(EasyMock.same(updatedValue), EasyMock183 .isA(OutputStream.class));184 EasyMock.expectLastCall().times(2);185 EasyMock.expect(186 mockMemcachedClient.cas(EasyMock.eq(url), EasyMock.eq(v187 .getCas()), EasyMock.aryEq(new byte[0]))).andReturn(188 CASResponse.NOT_FOUND);189 // update again and succeed190 EasyMock.expect(191 mockMemcachedClient.cas(EasyMock.eq(url), EasyMock.eq(v192 .getCas()), EasyMock.aryEq(new byte[0]))).andReturn(193 CASResponse.OK);194 replayMocks();195 impl.updateEntry(url, callback);196 verifyMocks();197 }198 @Test199 public void testCacheUpdateFail() throws IOException {200 final String url = "foo";201 final HttpCacheEntry existingValue = HttpTestUtils.makeCacheEntry();202 final HttpCacheEntry updatedValue = HttpTestUtils.makeCacheEntry();203 CASValue<Object> v = new CASValue<Object>(1234, new byte[] {});204 HttpCacheUpdateCallback callback = new HttpCacheUpdateCallback() {205 public HttpCacheEntry update(HttpCacheEntry old) {206 assertEquals(existingValue, old);207 return updatedValue;208 }209 };210 // get existing old entry211 EasyMock.expect(mockMemcachedClient.gets(url)).andReturn(v).times(2);212 EasyMock.expect(213 mockSerializer.readFrom(EasyMock.isA(InputStream.class)))214 .andReturn(existingValue).times(2);215 // update but fail216 mockSerializer.writeTo(EasyMock.same(updatedValue), EasyMock217 .isA(OutputStream.class));218 EasyMock.expectLastCall().times(2);219 EasyMock.expect(220 mockMemcachedClient.cas(EasyMock.eq(url), EasyMock.eq(v221 .getCas()), EasyMock.aryEq(new byte[0]))).andReturn(222 CASResponse.NOT_FOUND).times(2);223 replayMocks();224 try {225 impl.updateEntry(url, callback);226 fail("Expected HttpCacheUpdateException");227 } catch (HttpCacheUpdateException e) {228 }229 verifyMocks();230 }231}...
Source:TestEhcacheHttpCacheStorage.java
...72 }73 @Test74 public void testCacheGetNullEntry() throws IOException {75 final String key = "foo";76 EasyMock.expect(mockCache.get(key)).andReturn(null);77 replayMocks();78 HttpCacheEntry resultingEntry = impl.getEntry(key);79 verifyMocks();80 assertNull(resultingEntry);81 }82 @Test83 public void testCacheGet() throws IOException {84 final String key = "foo";85 final HttpCacheEntry cachedValue = HttpTestUtils.makeCacheEntry();86 Element element = new Element(key, new byte[]{});87 EasyMock.expect(mockCache.get(key))88 .andReturn(element);89 EasyMock.expect(mockSerializer.readFrom(EasyMock.isA(InputStream.class)))90 .andReturn(cachedValue);91 replayMocks();92 HttpCacheEntry resultingEntry = impl.getEntry(key);93 verifyMocks();94 assertSame(cachedValue, resultingEntry);95 }96 @Test97 public void testCacheRemove() {98 final String key = "foo";99 EasyMock.expect(mockCache.remove(key)).andReturn(true);100 replayMocks();101 impl.removeEntry(key);102 verifyMocks();103 }104 @Test105 public void testCacheUpdateNullEntry() throws IOException, HttpCacheUpdateException {106 final String key = "foo";107 final HttpCacheEntry updatedValue = HttpTestUtils.makeCacheEntry();108 Element element = new Element(key, new byte[]{});109 HttpCacheUpdateCallback callback = new HttpCacheUpdateCallback(){110 public HttpCacheEntry update(HttpCacheEntry old){111 assertNull(old);112 return updatedValue;113 }114 };115 // get empty old entry116 EasyMock.expect(mockCache.get(key)).andReturn(null);117 // put new entry118 mockSerializer.writeTo(EasyMock.same(updatedValue), EasyMock.isA(OutputStream.class));119 mockCache.put(element);120 replayMocks();121 impl.updateEntry(key, callback);122 verifyMocks();123 }124 @Test125 public void testCacheUpdate() throws IOException, HttpCacheUpdateException {126 final String key = "foo";127 final HttpCacheEntry existingValue = HttpTestUtils.makeCacheEntry();128 final HttpCacheEntry updatedValue = HttpTestUtils.makeCacheEntry();129 Element existingElement = new Element(key, new byte[]{});130 HttpCacheUpdateCallback callback = new HttpCacheUpdateCallback(){131 public HttpCacheEntry update(HttpCacheEntry old){132 assertEquals(existingValue, old);133 return updatedValue;134 }135 };136 // get existing old entry137 EasyMock.expect(mockCache.get(key)).andReturn(existingElement);138 EasyMock.expect(mockSerializer.readFrom(EasyMock.isA(InputStream.class))).andReturn(existingValue);139 // update140 mockSerializer.writeTo(EasyMock.same(updatedValue), EasyMock.isA(OutputStream.class));141 EasyMock.expect(mockCache.replace(EasyMock.same(existingElement), EasyMock.isA(Element.class))).andReturn(true);142 replayMocks();143 impl.updateEntry(key, callback);144 verifyMocks();145 }146 @Test147 public void testSingleCacheUpdateRetry() throws IOException, HttpCacheUpdateException {148 final String key = "foo";149 final HttpCacheEntry existingValue = HttpTestUtils.makeCacheEntry();150 final HttpCacheEntry updatedValue = HttpTestUtils.makeCacheEntry();151 Element existingElement = new Element(key, new byte[]{});152 HttpCacheUpdateCallback callback = new HttpCacheUpdateCallback(){153 public HttpCacheEntry update(HttpCacheEntry old){154 assertEquals(existingValue, old);155 return updatedValue;156 }157 };158 // get existing old entry, will happen twice159 EasyMock.expect(mockCache.get(key)).andReturn(existingElement).times(2);160 EasyMock.expect(mockSerializer.readFrom(EasyMock.isA(InputStream.class))).andReturn(existingValue).times(2);161 // update but fail162 mockSerializer.writeTo(EasyMock.same(updatedValue), EasyMock.isA(OutputStream.class));163 EasyMock.expectLastCall().times(2);164 EasyMock.expect(mockCache.replace(EasyMock.same(existingElement), EasyMock.isA(Element.class))).andReturn(false);165 // update again and succeed166 EasyMock.expect(mockCache.replace(EasyMock.same(existingElement), EasyMock.isA(Element.class))).andReturn(true);167 replayMocks();168 impl.updateEntry(key, callback);169 verifyMocks();170 }171 @Test172 public void testCacheUpdateFail() throws IOException {173 final String key = "foo";174 final HttpCacheEntry existingValue = HttpTestUtils.makeCacheEntry();175 final HttpCacheEntry updatedValue = HttpTestUtils.makeCacheEntry();176 Element existingElement = new Element(key, new byte[]{});177 HttpCacheUpdateCallback callback = new HttpCacheUpdateCallback(){178 public HttpCacheEntry update(HttpCacheEntry old){179 assertEquals(existingValue, old);180 return updatedValue;181 }182 };183 // get existing old entry184 EasyMock.expect(mockCache.get(key)).andReturn(existingElement).times(2);185 EasyMock.expect(mockSerializer.readFrom(EasyMock.isA(InputStream.class))).andReturn(existingValue).times(2);186 // update but fail187 mockSerializer.writeTo(EasyMock.same(updatedValue), EasyMock.isA(OutputStream.class));188 EasyMock.expectLastCall().times(2);189 EasyMock.expect(mockCache.replace(EasyMock.same(existingElement), EasyMock.isA(Element.class))).andReturn(false).times(2);190 replayMocks();191 try{192 impl.updateEntry(key, callback);193 fail("Expected HttpCacheUpdateException");194 } catch (HttpCacheUpdateException e) { }195 verifyMocks();196 }197}...
Source:MySQLJDBCInMemoryItemSimilarityTest.java
...29 DataSource dataSource = EasyMock.createMock(DataSource.class);30 Connection connection = EasyMock.createMock(Connection.class);31 PreparedStatement statement = EasyMock.createMock(PreparedStatement.class);32 ResultSet resultSet = EasyMock.createMock(ResultSet.class);33 EasyMock.expect(dataSource.getConnection()).andReturn(connection);34 EasyMock.expect(connection.prepareStatement(MySQLJDBCInMemoryItemSimilarity.DEFAULT_GET_ALL_ITEMSIMILARITIES_SQL,35 ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY)).andReturn(statement);36 statement.setFetchDirection(ResultSet.FETCH_FORWARD);37 EasyMock.expect(statement.executeQuery()).andReturn(resultSet);38 EasyMock.expect(resultSet.next()).andReturn(true);39 EasyMock.expect(resultSet.getLong(1)).andReturn(1L);40 EasyMock.expect(resultSet.getLong(2)).andReturn(2L);41 EasyMock.expect(resultSet.getDouble(3)).andReturn(0.5);42 EasyMock.expect(resultSet.next()).andReturn(true);43 EasyMock.expect(resultSet.getLong(1)).andReturn(1L);44 EasyMock.expect(resultSet.getLong(2)).andReturn(3L);45 EasyMock.expect(resultSet.getDouble(3)).andReturn(0.4);46 EasyMock.expect(resultSet.next()).andReturn(true);47 EasyMock.expect(resultSet.getLong(1)).andReturn(3L);48 EasyMock.expect(resultSet.getLong(2)).andReturn(4L);49 EasyMock.expect(resultSet.getDouble(3)).andReturn(0.1);50 EasyMock.expect(resultSet.next()).andReturn(false);51 resultSet.close();52 statement.close();53 connection.close();54 EasyMock.replay(dataSource, connection, statement, resultSet);55 ItemSimilarity similarity = new MySQLJDBCInMemoryItemSimilarity(dataSource);56 assertEquals(0.5, similarity.itemSimilarity(1L, 2L), EPSILON);57 assertEquals(0.4, similarity.itemSimilarity(1L, 3L), EPSILON);58 assertEquals(0.1, similarity.itemSimilarity(3L, 4L), EPSILON);59 assertTrue(Double.isNaN(similarity.itemSimilarity(1L, 4L)));60 EasyMock.verify(dataSource, connection, statement, resultSet);61 }62}...
expect
Using AI Code Generation
1import org.easymock.EasyMock;2import org.easymock.EasyMockSupport;3import org.junit.Test;4import static org.easymock.EasyMock.*;5import static org.junit.Assert.*;6public class 1 extends EasyMockSupport {7 public void test() {8 ICalculator calc = EasyMock.createMock(ICalculator.class);9 expect(calc.add(10, 20)).andReturn(30);10 expect(calc.add(30, 40)).andReturn(70);11 replay(calc);12 assertEquals(30, calc.add(10, 20));13 assertEquals(70, calc.add(30, 40));14 verify(calc);15 }16}17import org.easymock.EasyMock;18import org.easymock.EasyMockSupport;19import org.junit.Test;20import static org.easymock.EasyMock.*;21import static org.junit.Assert.*;22public class 2 extends EasyMockSupport {23 public void test() {24 ICalculator calc = EasyMock.createMock(ICalculator.class);25 calc.add(10, 20);26 expectLastCall().andReturn(30);27 calc.add(30, 40);28 expectLastCall().andReturn(70);29 replay(calc);30 assertEquals(30, calc.add(10, 20));31 assertEquals(70, calc.add(30, 40));32 verify(calc);33 }34}35import org.easymock.EasyMock;36import org.junit.Test;37import static org.easymock.EasyMock.*;38import static org.junit.Assert.*;39public class 3 {40 public void test() {41 ICalculator calc = EasyMock.createMock(ICalculator.class);42 EasyMock.expect(calc.add(10, 20)).andReturn(30);43 EasyMock.expect(calc.add(30, 40)).andReturn(70);
expect
Using AI Code Generation
1import org.easymock.EasyMock;2import org.easymock.IMocksControl;3public class Test1 {4 public static void main(String[] args) {5 IMocksControl control = EasyMock.createControl();6 Foo foo = control.createMock(Foo.class);7 EasyMock.expect(foo.bar()).andReturn("hello");8 control.replay();9 System.out.println(foo.bar());10 control.verify();11 }12}13import org.easymock.EasyMock;14import org.easymock.IMocksControl;15public class Test2 {16 public static void main(String[] args) {17 IMocksControl control = EasyMock.createControl();18 Foo foo = control.createMock(Foo.class);19 foo.bar();20 EasyMock.expectLastCall();21 control.replay();22 foo.bar();23 control.verify();24 }25}26import org.easymock.EasyMock;27import org.easymock.IMocksControl;28public class Test3 {29 public static void main(String[] args) {30 IMocksControl control = EasyMock.createControl();31 Foo foo = control.createMock(Foo.class);32 EasyMock.expectAndReturn(foo.bar(), "hello");33 control.replay();34 System.out.println(foo.bar());35 control.verify();36 }37}38import org.easymock.EasyMock;39import org.easymock.IMocksControl;40public class Test4 {41 public static void main(String[] args) {42 IMocksControl control = EasyMock.createControl();43 Foo foo = control.createMock(Foo.class);44 EasyMock.expectAndThrow(foo.bar(), new IllegalArgumentException());45 control.replay();
expect
Using AI Code Generation
1import org.easymock.EasyMock;2import org.easymock.IAnswer;3{4public static void main(String[] args)5{6Example mock = EasyMock.createMock(Example.class);7EasyMock.expect(mock.method1()).andAnswer(new IAnswer<String>()8{9public String answer() throws Throwable10{11return "Hello";12}13});14EasyMock.replay(mock);15System.out.println(mock.method1());16}17}18{19String method1();20}21EasyMock.expect(mock.method1()).andAnswer(new IAnswer<String>()22{23public String answer() throws Throwable24{25return "Hello";26}27});
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Easymock automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Most used method in EasyMock
- mock
- strictMock
- niceMock
- partialMockBuilder
- createMock
- createStrictMock
- createNiceMock
- createMockBuilder
- createControl
- createStrictControl
- createNiceControl
- expect
- expectLastCall
- getControlForLastCall
- anyBoolean
- anyByte
- anyChar
- anyInt
- anyLong
- anyFloat
- anyDouble
- anyShort
- anyObject
- anyString
- contains
- aryEq
- isNull
- notNull
- find
- matches
- startsWith
- endsWith
- same
- cmpEq
- newCapture
- capture
- captureBoolean
- captureInt
- captureLong
- captureFloat
- captureDouble
- captureByte
- captureChar
- replay
- reset
- resetToNice
- resetToDefault
- resetToStrict
- verify
- verifyRecording
- verifyUnexpectedCalls
- checkOrder
- reportMatcher
- getControl
- getCurrentArguments
- getCurrentArgument
- makeThreadSafe
- checkIsUsedInOneThread
- getEasyMockProperty
- setEasyMockProperty
- EasyMock
- getRuntimeException
- getAssertionError
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
