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Refactor JMockit examples

This commit is contained in:
Grzegorz Piwowarek 2016-07-20 19:17:08 +03:00
parent b9c412689d
commit 34414b2a43
4 changed files with 90 additions and 104 deletions
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2
mocks/jmockit/src/main/java/org/baeldung/mocks/jmockit/Collaborator.java
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@ -1,9 +1,11 @@
package org.baeldung.mocks.jmockit; package org.baeldung.mocks.jmockit;
public class Collaborator { public class Collaborator {
public boolean collaborate(String string){ public boolean collaborate(String string){
return false; return false;
} }
public void receive(boolean bool){ public void receive(boolean bool){
//NOOP //NOOP
} }

4
mocks/jmockit/src/main/java/org/baeldung/mocks/jmockit/Model.java
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@ -1,7 +1,7 @@
package org.baeldung.mocks.jmockit; package org.baeldung.mocks.jmockit;
public class Model { public class Model {
public String getInfo(){ public String getInfo() {
return "info"; return "info";
} }
} }

170
mocks/jmockit/src/test/java/org/baeldung/mocks/jmockit/ExpectationsTest.java
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@ -1,21 +1,20 @@
package org.baeldung.mocks.jmockit; package org.baeldung.mocks.jmockit;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.List;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.junit.Test;
import org.junit.runner.RunWith;
import mockit.Delegate; import mockit.Delegate;
import mockit.Expectations; import mockit.Expectations;
import mockit.Mocked; import mockit.Mocked;
import mockit.StrictExpectations; import mockit.StrictExpectations;
import mockit.Verifications; import mockit.Verifications;
import mockit.integration.junit4.JMockit; import mockit.integration.junit4.JMockit;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
@RunWith(JMockit.class) @RunWith(JMockit.class)
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
@ -23,69 +22,56 @@ public class ExpectationsTest {
@Test @Test
public void testForAny(@Mocked ExpectationsCollaborator mock) throws Exception { public void testForAny(@Mocked ExpectationsCollaborator mock) throws Exception {
new Expectations() { new Expectations() {{
{ mock.methodForAny1(anyString, anyInt, anyBoolean);
mock.methodForAny1(anyString, anyInt, anyBoolean); result = "any";
result = "any"; }};
}
};
assertEquals("any", mock.methodForAny1("barfooxyz", 0, Boolean.FALSE)); assertEquals("any", mock.methodForAny1("barfooxyz", 0, Boolean.FALSE));
mock.methodForAny2(2L, new ArrayList<>()); mock.methodForAny2(2L, new ArrayList<>());
new Verifications() { new Verifications() {{
{ mock.methodForAny2(anyLong, (List<String>) any);
mock.methodForAny2(anyLong, (List<String>) any); }};
}
};
} }
@Test @Test
public void testForWith(@Mocked ExpectationsCollaborator mock) throws Exception { public void testForWith(@Mocked ExpectationsCollaborator mock) throws Exception {
new Expectations() { new Expectations() {{
{ mock.methodForWith1(withSubstring("foo"), withNotEqual(1));
mock.methodForWith1(withSubstring("foo"), withNotEqual(1)); result = "with";
result = "with"; }};
}
};
assertEquals("with", mock.methodForWith1("barfooxyz", 2)); assertEquals("with", mock.methodForWith1("barfooxyz", 2));
mock.methodForWith2(Boolean.TRUE, new ArrayList<>()); mock.methodForWith2(Boolean.TRUE, new ArrayList<>());
new Verifications() { new Verifications() {{
{ mock.methodForWith2(withNotNull(), withInstanceOf(List.class));
mock.methodForWith2(withNotNull(), withInstanceOf(List.class)); }};
}
};
} }
@Test @Test
public void testWithNulls(@Mocked ExpectationsCollaborator mock) { public void testWithNulls(@Mocked ExpectationsCollaborator mock) {
new Expectations() { new Expectations() {{
{ mock.methodForNulls1(anyString, null);
mock.methodForNulls1(anyString, null); result = "null";
result = "null"; }};
}
};
assertEquals("null", mock.methodForNulls1("blablabla", new ArrayList<String>())); assertEquals("null", mock.methodForNulls1("blablabla", new ArrayList<String>()));
mock.methodForNulls2("blablabla", null); mock.methodForNulls2("blablabla", null);
new Verifications() { new Verifications() {{
{ mock.methodForNulls2(anyString, (List<String>) withNull());
mock.methodForNulls2(anyString, (List<String>) withNull()); }};
}
};
} }
@Test @Test
public void testWithTimes(@Mocked ExpectationsCollaborator mock) { public void testWithTimes(@Mocked ExpectationsCollaborator mock) {
new Expectations() { new Expectations() {{
{ mock.methodForTimes1();
mock.methodForTimes1(); times = 2; times = 2;
mock.methodForTimes2(); mock.methodForTimes2();
} }};
};
mock.methodForTimes1(); mock.methodForTimes1();
mock.methodForTimes1(); mock.methodForTimes1();
@ -94,47 +80,44 @@ public class ExpectationsTest {
mock.methodForTimes3(); mock.methodForTimes3();
mock.methodForTimes3(); mock.methodForTimes3();
new Verifications() { new Verifications() {{
{ mock.methodForTimes3();
mock.methodForTimes3(); minTimes = 1; maxTimes = 3; minTimes = 1;
} maxTimes = 3;
}; }};
} }
@Test @Test
public void testCustomArgumentMatching(@Mocked ExpectationsCollaborator mock) { public void testCustomArgumentMatching(@Mocked ExpectationsCollaborator mock) {
new Expectations() { new Expectations() {{
{ mock.methodForArgThat(withArgThat(new BaseMatcher<Object>() {
mock.methodForArgThat(withArgThat(new BaseMatcher<Object>() { @Override
@Override public boolean matches(Object item) {
public boolean matches(Object item) { return item instanceof Model && "info".equals(((Model) item).getInfo());
return item instanceof Model && "info".equals(((Model) item).getInfo()); }
}
@Override @Override
public void describeTo(Description description) { } public void describeTo(Description description) {
})); }
} }));
}; }};
mock.methodForArgThat(new Model()); mock.methodForArgThat(new Model());
} }
@Test @Test
public void testResultAndReturns(@Mocked ExpectationsCollaborator mock) { public void testResultAndReturns(@Mocked ExpectationsCollaborator mock) {
new StrictExpectations() { new StrictExpectations() {{
{ mock.methodReturnsString();
mock.methodReturnsString(); result = "foo";
result = "foo"; result = new Exception();
result = new Exception(); result = "bar";
result = "bar"; mock.methodReturnsInt();
mock.methodReturnsInt(); result = new int[]{1, 2, 3};
result = new int[] { 1, 2, 3 }; mock.methodReturnsString();
mock.methodReturnsString(); returns("foo", "bar");
returns("foo", "bar"); mock.methodReturnsInt();
mock.methodReturnsInt(); result = 1;
result = 1; }};
}
};
assertEquals("Should return foo", "foo", mock.methodReturnsString()); assertEquals("Should return foo", "foo", mock.methodReturnsString());
try { try {
@ -153,24 +136,23 @@ public class ExpectationsTest {
@Test @Test
public void testDelegate(@Mocked ExpectationsCollaborator mock) { public void testDelegate(@Mocked ExpectationsCollaborator mock) {
new Expectations() { new Expectations() {{
{ mock.methodForDelegate(anyInt);
mock.methodForDelegate(anyInt); result = new Delegate() {
result = new Delegate() { public int delegate(int i) throws Exception {
public int delegate(int i) throws Exception { if (i < 3) {
if (i < 3) { return 5;
return 5; } else {
} else { throw new Exception();
throw new Exception();
}
} }
}; }
} };
}; }};
assertEquals("Should return 5", 5, mock.methodForDelegate(1)); assertEquals("Should return 5", 5, mock.methodForDelegate(1));
try { try {
mock.methodForDelegate(3); mock.methodForDelegate(3);
} catch (Exception e) { } } catch (Exception e) {
}
} }
} }

2
mocks/jmockit/src/test/java/org/baeldung/mocks/jmockit/PerformerTest.java
View File

@ -21,7 +21,9 @@ public class PerformerTest {
model.getInfo();result = "bar"; model.getInfo();result = "bar";
collaborator.collaborate("bar"); result = true; collaborator.collaborate("bar"); result = true;
}}; }};
performer.perform(model); performer.perform(model);
new Verifications() {{ new Verifications() {{
collaborator.receive(true); collaborator.receive(true);
}}; }};