1 files changed, 130 insertions, 0 deletions
diff --git a/gradle-plugin/src/test/kotlin/com/google/devtools/ksp/gradle/ProcessorClasspathConfigurationsTest.kt b/gradle-plugin/src/test/kotlin/com/google/devtools/ksp/gradle/ProcessorClasspathConfigurationsTest.kt
new file mode 100644
index 00000000..37fb64de
--- /dev/null
+++ b/gradle-plugin/src/test/kotlin/com/google/devtools/ksp/gradle/ProcessorClasspathConfigurationsTest.kt
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2020 Google LLC
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ *
+ * 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.devtools.ksp.gradle
+
+import com.google.devtools.ksp.gradle.testing.KspIntegrationTestRule
+import org.junit.Rule
+import org.junit.Test
+import org.junit.rules.TemporaryFolder
+
+class ProcessorClasspathConfigurationsTest {
+    @Rule
+    @JvmField
+    val tmpDir = TemporaryFolder()
+
+    @Rule
+    @JvmField
+    val testRule = KspIntegrationTestRule(tmpDir)
+
+    private val kspConfigs by lazy {
+        """configurations.matching { it.name.startsWith("ksp") && !it.name.endsWith("ProcessorClasspath") }"""
+    }
+
+    // config name is <KotlinCompileTaskName>.replace("compile", "ksp") + "ProcessorClasspath"
+    // they should extend all non-empty ksp configurations
+    @Test
+    fun testConfigurationsForSinglePlatformApp() {
+        testRule.setupAppAsJvmApp()
+        testRule.appModule.addSource("Foo.kt", "class Foo")
+        testRule.appModule.buildFileAdditions.add(
+            """
+                $kspConfigs.all {
+                    // Make sure ksp configs are not empty.
+                    project.dependencies.add(name, "androidx.room:room-compiler:2.4.2")
+                }
+                tasks.register("testConfigurations") {
+                    // Resolve all tasks to trigger classpath config creation
+                    dependsOn(tasks["tasks"])
+                    doLast {
+                        val main = configurations["kspKotlinProcessorClasspath"]
+                        val test = configurations["kspTestKotlinProcessorClasspath"]
+                        require(main.extendsFrom.map { it.name } == listOf("ksp"))
+                        require(test.extendsFrom.map { it.name } == listOf("kspTest", "ksp"))
+                    }
+                }
+            """.trimIndent()
+        )
+        testRule.runner()
+            .withArguments(":app:testConfigurations", "--info")
+            .build()
+    }
+
+    @Test
+    fun testConfigurationsForSinglePlatformAppDisallowAll() {
+        testRule.setupAppAsJvmApp()
+        testRule.appModule.addSource("Foo.kt", "class Foo")
+        testRule.appModule.buildFileAdditions.add(
+            """
+                $kspConfigs.all {
+                    // Make sure ksp configs are not empty.
+                    project.dependencies.add(name, "androidx.room:room-compiler:2.4.2")
+                }
+                tasks.register("testConfigurations") {
+                    // Resolve all tasks to trigger classpath config creation
+                    dependsOn(tasks["tasks"])
+                    doLast {
+                        val main = configurations["kspKotlinProcessorClasspath"]
+                        val test = configurations["kspTestKotlinProcessorClasspath"]
+                        require(main.extendsFrom.map { it.name } == listOf("ksp"))
+                        require(test.extendsFrom.map { it.name } == listOf("kspTest"))
+                    }
+                }
+            """.trimIndent()
+        )
+        testRule.runner()
+            .withArguments(":app:testConfigurations", "-Pksp.allow.all.target.configuration=false")
+            .build()
+    }
+
+    @Test
+    fun testConfigurationsForMultiPlatformApp() {
+        testRule.setupAppAsMultiplatformApp(
+            """
+                kotlin {
+                    jvm { }
+                    js(IR) { browser() }
+                }
+            """.trimIndent()
+        )
+        testRule.appModule.addMultiplatformSource("commonMain", "Foo.kt", "class Foo")
+        testRule.appModule.buildFileAdditions.add(
+            """
+                $kspConfigs.matching { it.name != "ksp" }.all {
+                    // Make sure ksp configs are not empty.
+                    project.dependencies.add(name, "androidx.room:room-compiler:2.4.2")
+                }
+                tasks.register("testConfigurations") {
+                    // Resolve all tasks to trigger classpath config creation
+                    dependsOn(tasks["tasks"])
+                    doLast {
+                        val jvmMain = configurations["kspKotlinJvmProcessorClasspath"]
+                        val jvmTest = configurations["kspTestKotlinJvmProcessorClasspath"]
+                        val jsMain = configurations["kspKotlinJsProcessorClasspath"]
+                        val jsTest = configurations["kspTestKotlinJsProcessorClasspath"]
+                        require(jvmMain.extendsFrom.map { it.name } == listOf("kspJvm"))
+                        require(jvmTest.extendsFrom.map { it.name } == listOf("kspJvmTest"))
+                        require(jsMain.extendsFrom.map { it.name } == listOf("kspJs"))
+                        require(jsTest.extendsFrom.map { it.name } == listOf("kspJsTest"))
+                    }
+                }
+            """.trimIndent()
+        )
+        testRule.runner()
+            .withArguments(":app:testConfigurations")
+            .build()
+    }
+}