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/*
* Copyright (C) 2012 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.testing;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableList;
import java.util.Arrays;
import java.util.List;
import junit.framework.TestCase;
/**
* Unit tests for {@link AbstractPackageSanityTests}.
*
* @author Ben Yu
*/
public class AbstractPackageSanityTestsTest extends TestCase {
/*
* This is a public type so that the Android test runner can create an instance directly as it
* insists upon doing. It then runs the test, which behaves exactly like this package's existing
* PackageSanityTests. (The test would run on the JVM, too, if not for the suppression below, and
* that would be a problem because it violates small-test rules. Note that we strip the
* suppression externally, but it's OK because we don't enforce test-size rules there.)
*
* We'd just use PackageSanityTests directly, saving us from needing this separate type, but we're
* currently skipping MediumTests on Android, and we skip them by not making them present at
* runtime at all. I could just make _this_ test a MediumTest, but then it wouldn't run on
* Android.... The right long-term fix is probably to get MediumTests running under Android by
* default and then suppress them strategically as needed.
*/
public static final class ConcretePackageSanityTests extends AbstractPackageSanityTests {}
private final AbstractPackageSanityTests sanityTests = new ConcretePackageSanityTests();
public void testFindClassesToTest_testClass() {
assertThat(findClassesToTest(ImmutableList.of(EmptyTest.class))).isEmpty();
assertThat(findClassesToTest(ImmutableList.of(EmptyTests.class))).isEmpty();
assertThat(findClassesToTest(ImmutableList.of(EmptyTestCase.class))).isEmpty();
assertThat(findClassesToTest(ImmutableList.of(EmptyTestSuite.class))).isEmpty();
}
public void testFindClassesToTest_noCorrespondingTestClass() {
assertThat(findClassesToTest(ImmutableList.of(Foo.class))).containsExactly(Foo.class);
assertThat(findClassesToTest(ImmutableList.of(Foo.class, Foo2Test.class)))
.containsExactly(Foo.class);
}
public void testFindClassesToTest_publicApiOnly() {
sanityTests.publicApiOnly();
assertThat(findClassesToTest(ImmutableList.of(Foo.class))).isEmpty();
assertThat(findClassesToTest(ImmutableList.of(PublicFoo.class))).contains(PublicFoo.class);
}
public void testFindClassesToTest_ignoreClasses() {
sanityTests.ignoreClasses(Predicates.<Object>equalTo(PublicFoo.class));
assertThat(findClassesToTest(ImmutableList.of(PublicFoo.class))).isEmpty();
assertThat(findClassesToTest(ImmutableList.of(Foo.class))).contains(Foo.class);
}
public void testFindClassesToTeset_ignoreUnderscores() {
assertThat(findClassesToTest(ImmutableList.of(Foo.class, Foo_Bar.class)))
.containsExactly(Foo.class, Foo_Bar.class);
sanityTests.ignoreClasses(AbstractPackageSanityTests.UNDERSCORE_IN_NAME);
assertThat(findClassesToTest(ImmutableList.of(Foo.class, Foo_Bar.class)))
.containsExactly(Foo.class);
}
public void testFindClassesToTest_withCorrespondingTestClassButNotExplicitlyTested() {
assertThat(findClassesToTest(ImmutableList.of(Foo.class, FooTest.class), "testNotThere"))
.containsExactly(Foo.class);
assertThat(findClassesToTest(ImmutableList.of(Foo.class, FooTest.class), "testNotPublic"))
.containsExactly(Foo.class);
}
public void testFindClassesToTest_withCorrespondingTestClassAndExplicitlyTested() {
ImmutableList<Class<?>> classes = ImmutableList.of(Foo.class, FooTest.class);
assertThat(findClassesToTest(classes, "testPublic")).isEmpty();
assertThat(findClassesToTest(classes, "testNotThere", "testPublic")).isEmpty();
}
public void testFindClassesToTest_withCorrespondingTestClass_noTestName() {
assertThat(findClassesToTest(ImmutableList.of(Foo.class, FooTest.class)))
.containsExactly(Foo.class);
}
static class EmptyTestCase {}
static class EmptyTest {}
static class EmptyTests {}
static class EmptyTestSuite {}
static class Foo {}
static class Foo_Bar {}
public static class PublicFoo {}
static class FooTest {
@SuppressWarnings("unused") // accessed reflectively
public void testPublic() {}
@SuppressWarnings("unused") // accessed reflectively
void testNotPublic() {}
}
// Shouldn't be mistaken as Foo's test
static class Foo2Test {
@SuppressWarnings("unused") // accessed reflectively
public void testPublic() {}
}
private List<Class<?>> findClassesToTest(
Iterable<? extends Class<?>> classes, String... explicitTestNames) {
return sanityTests.findClassesToTest(classes, Arrays.asList(explicitTestNames));
}
}
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