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"], 92 } 93 94 java_plugin { 95 name: "bar", 96 processor_class: "com.bar", 97 srcs: ["b.java"], 98 } 99 `) 100 101 buildOS := android.BuildOs.String() 102 103 kapt := ctx.ModuleForTests("foo", "android_common").Rule("kapt") 104 kotlinc := ctx.ModuleForTests("foo", "android_common").Rule("kotlinc") 105 javac := ctx.ModuleForTests("foo", "android_common").Rule("javac") 106 107 bar := ctx.ModuleForTests("bar", buildOS+"_common").Rule("javac").Output.String() 108 109 // Test that the kotlin and java sources are passed to kapt and kotlinc 110 if len(kapt.Inputs) != 2 || kapt.Inputs[0].String() != "a.java" || kapt.Inputs[1].String() != "b.kt" { 111 t.Errorf(`foo kapt inputs %v != ["a.java", "b.kt"]`, kapt.Inputs) 112 } 113 if len(kotlinc.Inputs) != 2 || kotlinc.Inputs[0].String() != "a.java" || kotlinc.Inputs[1].String() != "b.kt" { 114 t.Errorf(`foo kotlinc inputs %v != ["a.java", "b.kt"]`, kotlinc.Inputs) 115 } 116 117 // Test that only the java sources are passed to javac 118 if len(javac.Inputs) != 1 || javac.Inputs[0].String() != "a.java" { 119 t.Errorf(`foo inputs %v != ["a.java"]`, javac.Inputs) 120 } 121 122 // Test that the kapt srcjar is a dependency of kotlinc and javac rules 123 if !inList(kapt.Output.String(), kotlinc.Implicits.Strings()) { 124 t.Errorf("expected %q in kotlinc implicits %v", kapt.Output.String(), kotlinc.Implicits.Strings()) 125 } 126 if !inList(kapt.Output.String(), javac.Implicits.Strings()) { 127 t.Errorf("expected %q in javac implicits %v", kapt.Output.String(), javac.Implicits.Strings()) 128 } 129 130 // Test that the kapt srcjar is extracted by the kotlinc and javac rules 131 if kotlinc.Args["srcJars"] != kapt.Output.String() { 132 t.Errorf("expected %q in kotlinc srcjars %v", kapt.Output.String(), kotlinc.Args["srcJars"]) 133 } 134 if javac.Args["srcJars"] != kapt.Output.String() { 135 t.Errorf("expected %q in javac srcjars %v", kapt.Output.String(), kotlinc.Args["srcJars"]) 136 } 137 138 // Test that the processors are passed to kapt 139 expectedProcessorPath := "-P plugin:org.jetbrains.kotlin.kapt3:apclasspath=" + bar 140 if kapt.Args["kaptProcessorPath"] != expectedProcessorPath { 141 t.Errorf("expected kaptProcessorPath %q, got %q", expectedProcessorPath, kapt.Args["kaptProcessorPath"]) 142 } 143 expectedProcessor := "-P plugin:org.jetbrains.kotlin.kapt3:processors=com.bar" 144 if kapt.Args["kaptProcessor"] != expectedProcessor { 145 t.Errorf("expected kaptProcessor %q, got %q", expectedProcessor, kapt.Args["kaptProcessor"]) 146 } 147 148 // Test that the processors are not passed to javac 149 if javac.Args["processorPath"] != "" { 150 t.Errorf("expected processorPath '', got %q", javac.Args["processorPath"]) 151 } 152 if javac.Args["processor"] != "-proc:none" { 153 t.Errorf("expected processor '-proc:none', got %q", javac.Args["processor"]) 154 } 155} 156 157func TestKaptEncodeFlags(t *testing.T) { 158 // Compares the kaptEncodeFlags against the results of the example implementation at 159 // https://kotlinlang.org/docs/reference/kapt.html#apjavac-options-encoding 160 tests := []struct { 161 in [][2]string 162 out string 163 }{ 164 { 165 // empty input 166 in: [][2]string{}, 167 out: "rO0ABXcEAAAAAA==", 168 }, 169 { 170 // common input 171 in: [][2]string{ 172 {"-source", "1.8"}, 173 {"-target", "1.8"}, 174 }, 175 out: "rO0ABXcgAAAAAgAHLXNvdXJjZQADMS44AActdGFyZ2V0AAMxLjg=", 176 }, 177 { 178 // input that serializes to a 255 byte block 179 in: [][2]string{ 180 {"-source", "1.8"}, 181 {"-target", "1.8"}, 182 {"a", strings.Repeat("b", 218)}, 183 }, 184 out: "rO0ABXf/AAAAAwAHLXNvdXJjZQADMS44AActdGFyZ2V0AAMxLjgAAWEA2mJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJi", 185 }, 186 { 187 // input that serializes to a 256 byte block 188 in: [][2]string{ 189 {"-source", "1.8"}, 190 {"-target", "1.8"}, 191 {"a", strings.Repeat("b", 219)}, 192 }, 193 out: "rO0ABXoAAAEAAAAAAwAHLXNvdXJjZQADMS44AActdGFyZ2V0AAMxLjgAAWEA22JiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYg==", 194 }, 195 { 196 // input that serializes to a 257 byte block 197 in: [][2]string{ 198 {"-source", "1.8"}, 199 {"-target", "1.8"}, 200 {"a", strings.Repeat("b", 220)}, 201 }, 202 out: "rO0ABXoAAAEBAAAAAwAHLXNvdXJjZQADMS44AActdGFyZ2V0AAMxLjgAAWEA3GJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmJiYmI=", 203 }, 204 } 205 206 for i, test := range tests { 207 t.Run(strconv.Itoa(i), func(t *testing.T) { 208 got := kaptEncodeFlags(test.in) 209 if got != test.out { 210 t.Errorf("\nwant %q\n got %q", test.out, got) 211 } 212 }) 213 } 214} 215