How to use testMockStaticWithExpectations method of samples.powermockito.junit4.staticmocking.MockStaticCases class

Best Powermock code snippet using samples.powermockito.junit4.staticmocking.MockStaticCases.testMockStaticWithExpectations

Source:MockStaticCases.java Github

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...87 StaticService.say("hello");88 }89 90 @Test91 public void testMockStaticWithExpectations() throws Exception {92 final String expected = "Hello world";93 final String argument = "hello";94 95 mockStatic(StaticService.class);96 97 when(StaticService.say(argument)).thenReturn(expected);98 99 assertEquals(expected, StaticService.say(argument));100 101 // Verification is done in two steps using static methods.102 verifyStatic();103 StaticService.say(argument);104 }105 106 @Test107 public void errorousVerificationOfStaticMethodsGivesANonMockitoStandardMessage() throws Exception {108 final String expected = "Hello world";109 final String argument = "hello";110 111 mockStatic(StaticService.class);112 113 when(StaticService.say(argument)).thenReturn(expected);114 115 assertEquals(expected, StaticService.say(argument));116 117 // Verification is done in two steps using static methods.118 verifyStatic(times(2));119 try {120 StaticService.say(argument);121 fail("Should throw assertion error");122 } catch (MockitoAssertionError e) {123 assertEquals("\nsamples.singleton.StaticService.say(\"hello\");\nWanted 2 times but was 1 time.", e.getMessage());124 }125 }126 127 @Test(expected = IllegalStateException.class)128 public void testMockStaticThatThrowsException() throws Exception {129 final String argument = "hello";130 131 mockStatic(StaticService.class);132 133 when(StaticService.say(argument)).thenThrow(new IllegalStateException());134 135 StaticService.say(argument);136 }137 138 @Test(expected = ArgumentsAreDifferent.class)139 public void testMockStaticVerificationFails() throws Exception {140 mockStatic(StaticService.class);141 assertNull(StaticService.say("hello"));142 143 // Verification is done in two steps using static methods.144 verifyStatic();145 StaticService.say("Hello");146 }147 148 @Test149 public void testMockStaticAtLeastOnce() throws Exception {150 mockStatic(StaticService.class);151 assertNull(StaticService.say("hello"));152 assertNull(StaticService.say("hello"));153 154 // Verification is done in two steps using static methods.155 verifyStatic(atLeastOnce());156 StaticService.say("hello");157 }158 159 @Test160 public void testMockStaticCorrectTimes() throws Exception {161 mockStatic(StaticService.class);162 assertNull(StaticService.say("hello"));163 assertNull(StaticService.say("hello"));164 165 // Verification is done in two steps using static methods.166 verifyStatic(times(2));167 StaticService.say("hello");168 }169 170 @Test(expected = TooLittleActualInvocations.class)171 public void testMockStaticIncorrectTimes() throws Exception {172 mockStatic(StaticService.class);173 assertNull(StaticService.say("hello"));174 assertNull(StaticService.say("hello"));175 176 // Verification is done in two steps using static methods.177 verifyStatic(times(3));178 StaticService.say("hello");179 }180 181 @Test182 public void testMockStaticVoidWithNoExpectations() throws Exception {183 mockStatic(StaticService.class);184 185 StaticService.sayHello();186 187 verifyStatic();188 StaticService.sayHello();189 }190 191 @Test(expected = ArrayStoreException.class)192 public void testMockStaticVoidWhenThrowingException() throws Exception {193 mockStatic(StaticService.class);194 195 // Expectations196 doThrow(new ArrayStoreException("Mock error")).when(StaticService.class);197 StaticService.sayHello();198 199 // Test200 StaticService.sayHello();201 }202 203 @Test204 public void testSpyOnStaticMethods() throws Exception {205 spy(StaticService.class);206 207 String expectedMockValue = "expected";208 when(StaticService.say("world")).thenReturn(expectedMockValue);209 210 assertEquals(expectedMockValue, StaticService.say("world"));211 assertEquals("Hello world2", StaticService.say("world2"));212 }213 214 @Test215 public void spyingUsingArgumentCaptor() throws Exception {216// Given217 mockStatic(StaticService.class);218 final ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);219 220 StaticService.say("something");221 222 verifyStatic();223 StaticService.say(captor.capture());224 225 assertEquals("something", captor.getValue());226 }227 228 @Test229 public void testMockStaticWithExpectations_withDo() throws Exception {230 final String argument = "hello";231 232 mockStatic(StaticService.class);233 234 doNothing().when(StaticService.class, "sayHello", any(String.class));235 236 StaticService.sayHello(argument);237 238 assertThat(StaticService.messageStorage).isNull();239 }240}...

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testMockStaticWithExpectations

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1public class MockStaticCasesTest {2 public void testMockStaticWithExpectations() throws Exception {3 MockStatic<MockStaticCases> mockStatic = mockStatic(MockStaticCases.class);4 mockStatic.when(MockStaticCases::staticMethod).thenReturn("mocked");5 assertThat(MockStaticCases.staticMethod(), is("mocked"));6 mockStatic.verify(MockStaticCases::staticMethod);7 }8}

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testMockStaticWithExpectations

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1public static class MockStaticCases {2 public void testMockStaticWithExpectations() throws Exception {3 PowerMockito.mockStatic(System.class);4 PowerMockito.when(System.getProperty("someProperty")).thenReturn("someValue");5 assertEquals("someValue", System.getProperty("someProperty"));6 }7}8The following code snippet shows how to use PowerMockito.mockStatic() method to mock a static method in a class:9public static class MockStaticCases {10 public void testMockStaticWithExpectations() throws Exception {11 PowerMockito.mockStatic(System.class);12 PowerMockito.when(System.getProperty("someProperty")).thenReturn("someValue");13 assertEquals("someValue", System.getProperty("someProperty"));14 }15}16The following code snippet shows how to use PowerMockito.mockStatic() method to mock a static method with arguments in a class:17public static class MockStaticCases {18 public void testMockStaticWithExpectations() throws Exception {19 PowerMockito.mockStatic(System.class);20 PowerMockito.when(System.getProperty("someProperty")).thenReturn("someValue");21 assertEquals("someValue", System.getProperty("someProperty"));22 }23}24The following code snippet shows how to use PowerMockito.mockStatic() method to mock a static method in a class using a custom answer:25public static class MockStaticCases {26 public void testMockStaticWithExpectations() throws Exception {27 PowerMockito.mockStatic(System.class);28 PowerMockito.when(System.getProperty("someProperty")).thenReturn("someValue");29 assertEquals("someValue", System.getProperty("someProperty"));30 }31}32The following code snippet shows how to use PowerMockito.mockStatic() method to mock a static method in a class using a custom answer that throws an exception:33public static class MockStaticCases {34 public void testMockStaticWithExpectations() throws Exception {

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testMockStaticWithExpectations

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1MockStaticCases.java[1]: package samples.powermockito.junit4.staticmocking;2MockStaticCases.java[3]: import static org.junit.Assert.assertEquals;3MockStaticCases.java[4]: import static org.junit.Assert.fail;4MockStaticCases.java[5]: import static org.powermock.api.mockito.PowerMockito.mockStatic;5MockStaticCases.java[6]: import static org.powermock.api.mockito.PowerMockito.when;6MockStaticCases.java[8]: import java.util.ArrayList;7MockStaticCases.java[9]: import java.util.List;8MockStaticCases.java[11]: import org.junit.Test;9MockStaticCases.java[12]: import org.junit.runner.RunWith;10MockStaticCases.java[13]: import org.powermock.core.classloader.annotations.PrepareForTest;11MockStaticCases.java[14]: import org.powermock.modules.junit4.PowerMockRunner;12MockStaticCases.java[16]: @RunWith(PowerMockRunner.class)13MockStaticCases.java[17]: @PrepareForTest({ StaticService.class })14MockStaticCases.java[18]: public class MockStaticCases {15MockStaticCases.java[21]: public void testMockStaticWithExpectations() throws Exception {16MockStaticCases.java[22]: mockStatic(StaticService.class);17MockStaticCases.java[23]: when(StaticService.doSomething()).thenReturn("Hello World");18MockStaticCases.java[25]: assertEquals("Hello World", StaticService.doSomething());19MockStaticCases.java[26]: }20MockStaticCases.java[29]: public void testMockStaticWithExpectationsAndException() throws Exception {21MockStaticCases.java[30]: mockStatic(StaticService.class);22MockStaticCases.java[31]: when(StaticService.doSomething()).thenThrow(new RuntimeException());23MockStaticCases.java[33]: try {

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