1// Copyright 2017 Google Inc. All rights reserved. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package java 16 17import ( 18 "android/soong/android" 19 "strconv" 20 "strings" 21 "testing" 22) 23 24func TestKotlin(t *testing.T) { 25 ctx, _ := testJava(t, ` 26 java_library { 27 name: "foo", 28 srcs: ["a.java", "b.kt"], 29 } 30 31 java_library { 32 name: "bar", 33 srcs: ["b.kt"], 34 libs: ["foo"], 35 static_libs: ["baz"], 36 } 37 38 java_library { 39 name: "baz", 40 srcs: ["c.java"], 41 } 42 `) 43 44 fooKotlinc := ctx.ModuleForTests("foo", "android_common").Rule("kotlinc") 45 fooJavac := ctx.ModuleForTests("foo", "android_common").Rule("javac") 46 fooJar := ctx.ModuleForTests("foo", "android_common").Output("combined/foo.jar") 47 48 if len(fooKotlinc.Inputs) != 2 || fooKotlinc.Inputs[0].String() != "a.java" || 49 fooKotlinc.Inputs[1].String() != "b.kt" { 50 t.Errorf(`foo kotlinc inputs %v != ["a.java", "b.kt"]`, fooKotlinc.Inputs) 51 } 52 53 if len(fooJavac.Inputs) != 1 || fooJavac.Inputs[0].String() != "a.java" { 54 t.Errorf(`foo inputs %v != ["a.java"]`, fooJavac.Inputs) 55 } 56 57 if !strings.Contains(fooJavac.Args["classpath"], fooKotlinc.Output.String()) { 58 t.Errorf("foo classpath %v does not contain %q", 59 fooJavac.Args["classpath"], fooKotlinc.Output.String()) 60 } 61 62 if !inList(fooKotlinc.Output.String(), fooJar.Inputs.Strings()) { 63 t.Errorf("foo jar inputs %v does not contain %q", 64 fooJar.Inputs.Strings(), fooKotlinc.Output.String()) 65 } 66 67 fooHeaderJar := ctx.ModuleForTests("foo", "android_common").Output("turbine-combined/foo.jar") 68 bazHeaderJar := ctx.ModuleForTests("baz", "android_common").Output("turbine-combined/baz.jar") 69 barKotlinc := ctx.ModuleForTests("bar", "android_common").Rule("kotlinc") 70 71 if len(barKotlinc.Inputs) != 1 || barKotlinc.Inputs[0].String() != "b.kt" { 72 t.Errorf(`bar kotlinc inputs %v != ["b.kt"]`, barKotlinc.Inputs) 73 } 74 75 if !inList(fooHeaderJar.Output.String(), barKotlinc.Implicits.Strings()) { 76 t.Errorf(`expected %q in bar implicits %v`, 77 fooHeaderJar.Output.String(), barKotlinc.Implicits.Strings()) 78 } 79 80 if !inList(bazHeaderJar.Output.String(), barKotlinc.Implicits.Strings()) { 81 t.Errorf(`expected %q in bar implicits %v`, 82 bazHeaderJar.Output.String(), barKotlinc.Implicits.Strings()) 83 } 84} 85 86func TestKapt(t *testing.T) { 87 ctx, _ := testJava(t, ` 88 java_library { 89 name: "foo", 90 srcs: ["a.java", "b.kt"], 91 plugins: ["bar", "baz"], 92 } 93 94 java_plugin { 95 name: "bar", 96 processor_class: "com.bar", 97 srcs: ["b.java"], 98 } 99 100 java_plugin { 101 name: "baz", 102 processor_class: "com.baz", 103 srcs: ["b.java"], 104 } 105 `) 106 107 buildOS := android.BuildOs.String() 108 109 kapt := ctx.ModuleForTests("foo", "android_common").Rule("kapt") 110 kotlinc := ctx.ModuleForTests("foo", "android_common").Rule("kotlinc") 111 javac := ctx.ModuleForTests("foo", "android_common").Rule("javac") 112 113 bar := ctx.ModuleForTests("bar", buildOS+"_common").Rule("javac").Output.String() 114 baz := ctx.ModuleForTests("baz", buildOS+"_common").Rule("javac").Output.String() 115 116 // Test that the kotlin and java sources are passed to kapt and kotlinc 117 if len(kapt.Inputs) != 2 || kapt.Inputs[0].String() != "a.java" || kapt.Inputs[1].String() != "b.kt" { 118 t.Errorf(`foo kapt inputs %v != ["a.java", "b.kt"]`, kapt.Inputs) 119 } 120 if len(kotlinc.Inputs) != 2 || kotlinc.Inputs[0].String() != "a.java" || kotlinc.Inputs[1].String() != "b.kt" { 121 t.Errorf(`foo kotlinc inputs %v != ["a.java", "b.kt"]`, kotlinc.Inputs) 122 } 123 124 // Test that only the java sources are passed to javac 125 if len(javac.Inputs) != 1 || javac.Inputs[0].String() != "a.java" { 126 t.Errorf(`foo inputs %v != ["a.java"]`, javac.Inputs) 127 } 128 129 // Test that the kapt srcjar is a dependency of kotlinc and javac rules 130 if !inList(kapt.Output.String(), kotlinc.Implicits.Strings()) { 131 t.Errorf("expected %q in kotlinc implicits %v", kapt.Output.String(), kotlinc.Implicits.Strings()) 132 } 133 if !inList(kapt.Output.String(), javac.Implicits.Strings()) { 134 t.Errorf("expected %q in javac implicits %v", kapt.Output.String(), javac.Implicits.Strings()) 135 } 136 137 // Test that the kapt srcjar is extracted by the kotlinc and javac rules 138 if kotlinc.Args["srcJars"] != kapt.Output.String() { 139 t.Errorf("expected %q in kotlinc srcjars %v", kapt.Output.String(), kotlinc.Args["srcJars"]) 140 } 141 if javac.Args["srcJars"] != kapt.Output.String() { 142 t.Errorf("expected %q in javac srcjars %v", kapt.Output.String(), kotlinc.Args["srcJars"]) 143 } 144 145 // Test that the processors are passed to kapt 146 expectedProcessorPath := "-P plugin:org.jetbrains.kotlin.kapt3:apclasspath=" + bar + 147 " -P plugin:org.jetbrains.kotlin.kapt3:apclasspath=" + baz 148 if kapt.Args["kaptProcessorPath"] != expectedProcessorPath { 149 t.Errorf("expected kaptProcessorPath %q, got %q", expectedProcessorPath, kapt.Args["kaptProcessorPath"]) 150 } 151 expectedProcessor := "-P plugin:org.jetbrains.kotlin.kapt3:processors=com.bar -P plugin:org.jetbrains.kotlin.kapt3:processors=com.baz" 152 if kapt.Args["kaptProcessor"] != expectedProcessor { 153 t.Errorf("expected kaptProcessor %q, got %q", expectedProcessor, kapt.Args["kaptProcessor"]) 154 } 155 156 // Test that the processors are not passed to javac 157 if javac.Args["processorPath"] != "" { 158 t.Errorf("expected processorPath '', got %q", javac.Args["processorPath"]) 159 } 160 if javac.Args["processor"] != "-proc:none" { 161 t.Errorf("expected processor '-proc:none', got %q", javac.Args["processor"]) 162 } 163} 164 165func TestKaptEncodeFlags(t *testing.T) { 166 // Compares the kaptEncodeFlags against the results of the example implementation at 167 // https://kotlinlang.org/docs/reference/kapt.html#apjavac-options-encoding 168 tests := []struct { 169 in [][2]string 170 out string 171 }{ 172 { 173 // empty input 174 in: [][2]string{}, 175 out: "rO0ABXcEAAAAAA==", 176 }, 177 { 178 // common input 179 in: [][2]string{ 180 {"-source", "1.8"}, 181 {"-target", "1.8"}, 182 }, 183 out: "rO0ABXcgAAAAAgAHLXNvdXJjZQADMS44AActdGFyZ2V0AAMxLjg=", 184 }, 185 { 186 // input that serializes to a 255 byte block 187 in: [][2]string{ 188 {"-source", "1.8"}, 189 {"-target", "1.8"}, 190 {"a", strings.Repeat("b", 218)}, 191 }, 192 out: "rO0ABXf/AAAAAwAHLXNvdXJjZQADMS44AActdGFyZ2V0AAMxLjgAAWEA2mJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJi", 193 }, 194 { 195 // input that serializes to a 256 byte block 196 in: [][2]string{ 197 {"-source", "1.8"}, 198 {"-target", "1.8"}, 199 {"a", strings.Repeat("b", 219)}, 200 }, 201 out: "rO0ABXoAAAEAAAAAAwAHLXNvdXJjZQADMS44AActdGFyZ2V0AAMxLjgAAWEA22JiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYg==", 202 }, 203 { 204 // input that serializes to a 257 byte block 205 in: [][2]string{ 206 {"-source", "1.8"}, 207 {"-target", "1.8"}, 208 {"a", strings.Repeat("b", 220)}, 209 }, 210 out: "rO0ABXoAAAEBAAAAAwAHLXNvdXJjZQADMS44AActdGFyZ2V0AAMxLjgAAWEA3GJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmI=", 211 }, 212 } 213 214 for i, test := range tests { 215 t.Run(strconv.Itoa(i), func(t *testing.T) { 216 got := kaptEncodeFlags(test.in) 217 if got != test.out { 218 t.Errorf("\nwant %q\n got %q", test.out, got) 219 } 220 }) 221 } 222} 223