1/*
2 * Copyright (C) 2012 The Guava Authors
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.common.testing;
18
19import static org.truth0.Truth.ASSERT;
20
21import com.google.common.base.Predicates;
22import com.google.common.collect.ImmutableList;
23
24import junit.framework.TestCase;
25
26import java.util.Arrays;
27import java.util.List;
28
29/**
30 * Unit tests for {@link AbstractPackageSanityTests}.
31 *
32 * @author Ben Yu
33 */
34public class AbstractPackageSanityTestsTest extends TestCase {
35
36  private final AbstractPackageSanityTests sanityTests = new AbstractPackageSanityTests() {};
37
38  public void testFindClassesToTest_testClass() {
39    ASSERT.that(findClassesToTest(ImmutableList.of(EmptyTest.class)))
40        .isEmpty();
41    ASSERT.that(findClassesToTest(ImmutableList.of(EmptyTests.class)))
42        .isEmpty();
43    ASSERT.that(findClassesToTest(ImmutableList.of(EmptyTestCase.class)))
44        .isEmpty();
45    ASSERT.that(findClassesToTest(ImmutableList.of(EmptyTestSuite.class)))
46        .isEmpty();
47  }
48
49  public void testFindClassesToTest_noCorrespondingTestClass() {
50    ASSERT.that(findClassesToTest(ImmutableList.of(Foo.class)))
51        .has().exactly(Foo.class).inOrder();
52    ASSERT.that(findClassesToTest(ImmutableList.of(Foo.class, Foo2Test.class)))
53        .has().exactly(Foo.class).inOrder();
54  }
55
56  public void testFindClassesToTest_publicApiOnly() {
57    sanityTests.publicApiOnly();
58    ASSERT.that(findClassesToTest(ImmutableList.of(Foo.class)))
59        .isEmpty();
60    ASSERT.that(findClassesToTest(ImmutableList.of(PublicFoo.class))).has().item(PublicFoo.class);
61  }
62
63  public void testFindClassesToTest_ignoreClasses() {
64    sanityTests.ignoreClasses(Predicates.<Object>equalTo(PublicFoo.class));
65    ASSERT.that(findClassesToTest(ImmutableList.of(PublicFoo.class)))
66        .isEmpty();
67    ASSERT.that(findClassesToTest(ImmutableList.of(Foo.class))).has().item(Foo.class);
68  }
69
70  public void testFindClassesToTest_withCorrespondingTestClassButNotExplicitlyTested() {
71    ASSERT.that(findClassesToTest(ImmutableList.of(Foo.class, FooTest.class), "testNotThere"))
72        .has().exactly(Foo.class).inOrder();
73    ASSERT.that(findClassesToTest(ImmutableList.of(Foo.class, FooTest.class), "testNotPublic"))
74        .has().exactly(Foo.class).inOrder();
75  }
76
77  public void testFindClassesToTest_withCorrespondingTestClassAndExplicitlyTested() {
78    ImmutableList<Class<? extends Object>> classes = ImmutableList.of(Foo.class, FooTest.class);
79    ASSERT.that(findClassesToTest(classes, "testPublic"))
80        .isEmpty();
81    ASSERT.that(findClassesToTest(classes, "testNotThere", "testPublic"))
82        .isEmpty();
83  }
84
85  public void testFindClassesToTest_withCorrespondingTestClass_noTestName() {
86    ASSERT.that(findClassesToTest(ImmutableList.of(Foo.class, FooTest.class)))
87        .has().exactly(Foo.class).inOrder();
88  }
89
90  static class EmptyTestCase {}
91
92  static class EmptyTest {}
93
94  static class EmptyTests {}
95
96  static class EmptyTestSuite {}
97
98  static class Foo {}
99
100  public static class PublicFoo {}
101
102  static class FooTest {
103    @SuppressWarnings("unused") // accessed reflectively
104    public void testPublic() {}
105    @SuppressWarnings("unused") // accessed reflectively
106    void testNotPublic() {}
107  }
108
109  // Shouldn't be mistaken as Foo's test
110  static class Foo2Test {
111    @SuppressWarnings("unused") // accessed reflectively
112    public void testPublic() {}
113  }
114
115  private List<Class<?>> findClassesToTest(
116      Iterable<? extends Class<?>> classes, String... explicitTestNames) {
117    return sanityTests.findClassesToTest(classes, Arrays.asList(explicitTestNames));
118  }
119}
120