Mathew Inwood | 6395690 | 2018-07-09 15:07:56 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 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 | |
| 17 | package com.android.javac; |
| 18 | |
| 19 | import static com.google.common.truth.Truth.assertThat; |
| 20 | |
| 21 | import static org.mockito.ArgumentMatchers.any; |
| 22 | import static org.mockito.Mockito.never; |
| 23 | import static org.mockito.Mockito.times; |
| 24 | import static org.mockito.Mockito.verify; |
| 25 | import static org.mockito.MockitoAnnotations.initMocks; |
| 26 | |
| 27 | import com.android.class2greylist.Status; |
| 28 | import com.android.class2greylist.AnnotationVisitor; |
| 29 | |
| 30 | import com.google.common.base.Joiner; |
| 31 | |
| 32 | import org.junit.Before; |
| 33 | import org.junit.Test; |
| 34 | import org.mockito.ArgumentCaptor; |
| 35 | import org.mockito.Mock; |
| 36 | |
| 37 | import java.io.IOException; |
| 38 | |
| 39 | public class AnnotationVisitorTest { |
| 40 | |
| 41 | private static final String ANNOTATION = "Lannotation/Anno;"; |
| 42 | |
| 43 | private Javac mJavac; |
| 44 | @Mock |
| 45 | private Status mStatus; |
| 46 | |
| 47 | @Before |
| 48 | public void setup() throws IOException { |
| 49 | initMocks(this); |
| 50 | mJavac = new Javac(); |
| 51 | mJavac.addSource("annotation.Anno", Joiner.on('\n').join( |
| 52 | "package annotation;", |
| 53 | "import static java.lang.annotation.RetentionPolicy.CLASS;", |
| 54 | "import java.lang.annotation.Retention;", |
| 55 | "import java.lang.annotation.Target;", |
| 56 | "@Retention(CLASS)", |
| 57 | "public @interface Anno {", |
| 58 | " String expectedSignature() default \"\";", |
| 59 | "}")); |
| 60 | } |
| 61 | |
| 62 | private void assertNoErrors() { |
| 63 | verify(mStatus, never()).error(any(Throwable.class)); |
| 64 | verify(mStatus, never()).error(any(String.class)); |
| 65 | } |
| 66 | |
| 67 | @Test |
| 68 | public void testGreylistMethod() throws IOException { |
| 69 | mJavac.addSource("a.b.Class", Joiner.on('\n').join( |
| 70 | "package a.b;", |
| 71 | "import annotation.Anno;", |
| 72 | "public class Class {", |
| 73 | " @Anno", |
| 74 | " public void method() {}", |
| 75 | "}")); |
| 76 | assertThat(mJavac.compile()).isTrue(); |
| 77 | |
| 78 | new AnnotationVisitor(mJavac.getCompiledClass("a.b.Class"), ANNOTATION, mStatus) |
| 79 | .visit(); |
| 80 | |
| 81 | assertNoErrors(); |
| 82 | ArgumentCaptor<String> greylist = ArgumentCaptor.forClass(String.class); |
| 83 | verify(mStatus, times(1)).greylistEntry(greylist.capture()); |
| 84 | assertThat(greylist.getValue()).isEqualTo("La/b/Class;->method()V"); |
| 85 | } |
| 86 | |
| 87 | @Test |
| 88 | public void testGreylistConstructor() throws IOException { |
| 89 | mJavac.addSource("a.b.Class", Joiner.on('\n').join( |
| 90 | "package a.b;", |
| 91 | "import annotation.Anno;", |
| 92 | "public class Class {", |
| 93 | " @Anno", |
| 94 | " public Class() {}", |
| 95 | "}")); |
| 96 | assertThat(mJavac.compile()).isTrue(); |
| 97 | |
| 98 | new AnnotationVisitor(mJavac.getCompiledClass("a.b.Class"), ANNOTATION, mStatus) |
| 99 | .visit(); |
| 100 | |
| 101 | assertNoErrors(); |
| 102 | ArgumentCaptor<String> greylist = ArgumentCaptor.forClass(String.class); |
| 103 | verify(mStatus, times(1)).greylistEntry(greylist.capture()); |
| 104 | assertThat(greylist.getValue()).isEqualTo("La/b/Class;-><init>()V"); |
| 105 | } |
| 106 | |
| 107 | @Test |
| 108 | public void testGreylistField() throws IOException { |
| 109 | mJavac.addSource("a.b.Class", Joiner.on('\n').join( |
| 110 | "package a.b;", |
| 111 | "import annotation.Anno;", |
| 112 | "public class Class {", |
| 113 | " @Anno", |
| 114 | " public int i;", |
| 115 | "}")); |
| 116 | assertThat(mJavac.compile()).isTrue(); |
| 117 | |
| 118 | new AnnotationVisitor(mJavac.getCompiledClass("a.b.Class"), ANNOTATION, mStatus) |
| 119 | .visit(); |
| 120 | |
| 121 | assertNoErrors(); |
| 122 | ArgumentCaptor<String> greylist = ArgumentCaptor.forClass(String.class); |
| 123 | verify(mStatus, times(1)).greylistEntry(greylist.capture()); |
| 124 | assertThat(greylist.getValue()).isEqualTo("La/b/Class;->i:I"); |
| 125 | } |
| 126 | |
| 127 | @Test |
| 128 | public void testGreylistMethodExpectedSignature() throws IOException { |
| 129 | mJavac.addSource("a.b.Class", Joiner.on('\n').join( |
| 130 | "package a.b;", |
| 131 | "import annotation.Anno;", |
| 132 | "public class Class {", |
| 133 | " @Anno(expectedSignature=\"La/b/Class;->method()V\")", |
| 134 | " public void method() {}", |
| 135 | "}")); |
| 136 | assertThat(mJavac.compile()).isTrue(); |
| 137 | |
| 138 | new AnnotationVisitor(mJavac.getCompiledClass("a.b.Class"), ANNOTATION, mStatus) |
| 139 | .visit(); |
| 140 | |
| 141 | assertNoErrors(); |
| 142 | ArgumentCaptor<String> greylist = ArgumentCaptor.forClass(String.class); |
| 143 | verify(mStatus, times(1)).greylistEntry(greylist.capture()); |
| 144 | assertThat(greylist.getValue()).isEqualTo("La/b/Class;->method()V"); |
| 145 | } |
| 146 | |
| 147 | @Test |
| 148 | public void testGreylistMethodExpectedSignatureWrong() throws IOException { |
| 149 | mJavac.addSource("a.b.Class", Joiner.on('\n').join( |
| 150 | "package a.b;", |
| 151 | "import annotation.Anno;", |
| 152 | "public class Class {", |
| 153 | " @Anno(expectedSignature=\"La/b/Class;->nomethod()V\")", |
| 154 | " public void method() {}", |
| 155 | "}")); |
| 156 | assertThat(mJavac.compile()).isTrue(); |
| 157 | |
| 158 | new AnnotationVisitor(mJavac.getCompiledClass("a.b.Class"), ANNOTATION, mStatus) |
| 159 | .visit(); |
| 160 | |
| 161 | verify(mStatus, times(1)).error(any(String.class)); |
| 162 | } |
| 163 | |
| 164 | @Test |
| 165 | public void testGreylistInnerClassMethod() throws IOException { |
| 166 | mJavac.addSource("a.b.Class", Joiner.on('\n').join( |
| 167 | "package a.b;", |
| 168 | "import annotation.Anno;", |
| 169 | "public class Class {", |
| 170 | " public class Inner {", |
| 171 | " @Anno", |
| 172 | " public void method() {}", |
| 173 | " }", |
| 174 | "}")); |
| 175 | assertThat(mJavac.compile()).isTrue(); |
| 176 | |
| 177 | new AnnotationVisitor(mJavac.getCompiledClass("a.b.Class$Inner"), ANNOTATION, |
| 178 | mStatus).visit(); |
| 179 | |
| 180 | assertNoErrors(); |
| 181 | ArgumentCaptor<String> greylist = ArgumentCaptor.forClass(String.class); |
| 182 | verify(mStatus, times(1)).greylistEntry(greylist.capture()); |
| 183 | assertThat(greylist.getValue()).isEqualTo("La/b/Class$Inner;->method()V"); |
| 184 | } |
| 185 | |
| 186 | @Test |
| 187 | public void testMethodNotGreylisted() throws IOException { |
| 188 | mJavac.addSource("a.b.Class", Joiner.on('\n').join( |
| 189 | "package a.b;", |
| 190 | "public class Class {", |
| 191 | " public void method() {}", |
| 192 | "}")); |
| 193 | assertThat(mJavac.compile()).isTrue(); |
| 194 | |
| 195 | new AnnotationVisitor(mJavac.getCompiledClass("a.b.Class"), ANNOTATION, mStatus) |
| 196 | .visit(); |
| 197 | |
| 198 | assertNoErrors(); |
| 199 | verify(mStatus, never()).greylistEntry(any(String.class)); |
| 200 | } |
| 201 | |
| 202 | } |