Add basic MultiProjectTest and a basic RunConfigTest

This should cover most of the main things now.

src/test/groovy/net/fabricmc/loom/MultiProjectTest.groovy

@@ -0,0 +1,66 @@
+/*
+ * This file is part of fabric-loom, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2016, 2017, 2018 FabricMC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.fabricmc.loom
+
+import net.fabricmc.loom.util.ArchiveAssertionsTrait
+import net.fabricmc.loom.util.ProjectTestTrait
+import spock.lang.Specification
+import spock.lang.Unroll
+
+import static org.gradle.testkit.runner.TaskOutcome.SUCCESS
+
+class MultiProjectTest extends Specification implements ProjectTestTrait, ArchiveAssertionsTrait {
+	@Override
+	String name() {
+		"multiproject"
+	}
+
+	@Unroll
+	def "build (gradle #gradle)"() {
+		when:
+			def result = create("build", gradle)
+		then:
+			result.task(":build").outcome == SUCCESS
+			result.task(":core:build").outcome == SUCCESS
+			result.task(":example:build").outcome == SUCCESS
+
+			result.task(":remapAllJars").outcome == SUCCESS
+			result.task(":remapAllSources").outcome == SUCCESS
+
+			hasArchiveEntry("multiproject-1.0.0.jar", "META-INF/jars/example-1.0.0.jar")
+			hasArchiveEntry("multiproject-1.0.0.jar", "META-INF/jars/core-1.0.0.jar")
+			hasArchiveEntry("multiproject-1.0.0.jar", "META-INF/jars/fabric-api-base-0.2.1+9354966b7d.jar")
+
+		where:
+			gradle 				| _
+			'6.8.3' 			| _
+			'7.0-milestone-2'	| _
+	}
+
+	@Override
+	String warningMode(String gradleVersion) {
+		"none" // TODO fix this!
+	}
+}

src/test/groovy/net/fabricmc/loom/RunConfigTest.groovy

@@ -0,0 +1,54 @@
+/*
+ * This file is part of fabric-loom, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2016, 2017, 2018 FabricMC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.fabricmc.loom
+
+import net.fabricmc.loom.util.ProjectTestTrait
+import spock.lang.Specification
+import spock.lang.Unroll
+
+import static org.gradle.testkit.runner.TaskOutcome.SUCCESS
+
+// This test runs a mod that exits on mod init
+class RunConfigTest extends Specification implements ProjectTestTrait {
+	@Override
+	String name() {
+		"runconfigs"
+	}
+
+	@Unroll
+	def "#task"() {
+		when:
+			def result = create(task)
+		then:
+			result.task(":${task}").outcome == SUCCESS
+		where:
+			task 				| _
+			'runClient' 		| _
+			'runServer'			| _
+			'runTestmodClient'	| _
+			'runTestmodServer'	| _
+			'runAutoTestServer'	| _
+	}
+}

src/test/groovy/net/fabricmc/loom/util/ArchiveAssertionsTrait.groovy

@@ -27,8 +27,8 @@ package net.fabricmc.loom.util
 import org.zeroturnaround.zip.ZipUtil
 
 trait ArchiveAssertionsTrait extends ProjectTestTrait {
-	String getArchiveEntry(String name, String entry) {
-		def file = getOutputFile(name)
+	String getArchiveEntry(String name, String entry, String project = "") {
+		def file = getOutputFile(name, project)
 
 		def bytes = ZipUtil.unpackEntry(file, entry)
 
@@ -38,4 +38,9 @@ trait ArchiveAssertionsTrait extends ProjectTestTrait {
 
 		new String(bytes as byte[])
 	}
+
+	boolean hasArchiveEntry(String name, String entry, String project = "") {
+		def file = getOutputFile(name, project)
+		ZipUtil.unpackEntry(file, entry) != null
+	}
 }

src/test/groovy/net/fabricmc/loom/util/ProjectTestTrait.groovy

@@ -96,8 +96,8 @@ trait ProjectTestTrait {
 		new File(gradleHome, gradleVersion).absolutePath
 	}
 
-	File getOutputFile(String name) {
-		def file = new File(testProjectDir, "build/libs/" + name)
+	File getOutputFile(String name, String project = "") {
+		def file = new File(testProjectDir, "${project}build/libs/${name}")
 
 		if (!file.exists()) {
 			throw new FileNotFoundException("Could not find ${name} at ${file.absolutePath}")

src/test/resources/projects/multiproject/build.gradle

@@ -0,0 +1,63 @@
+plugins {
+	id "java"
+	id "java-library"
+	id 'fabric-loom' apply false
+}
+
+allprojects {
+	apply plugin: "fabric-loom"
+
+	version = "1.0.0"
+
+	tasks.withType(JavaCompile).configureEach {
+		def targetVersion = 8
+		if (JavaVersion.current().isJava9Compatible()) {
+			it.options.release = targetVersion
+		} else {
+			sourceCompatibility = JavaVersion.toVersion(targetVersion)
+			targetCompatibility = JavaVersion.toVersion(targetVersion)
+		}
+
+		it.options.encoding = "UTF-8"
+	}
+
+	dependencies {
+		// To change the versions see the gradle.properties file
+		minecraft "com.mojang:minecraft:1.16.5"
+		mappings "net.fabricmc:yarn:1.16.5+build.5:v2"
+		modImplementation "net.fabricmc:fabric-loader:0.11.2"
+
+		modImplementation "net.fabricmc.fabric-api:fabric-api:0.31.0+1.16"
+
+	}
+
+	configurations {
+		dev
+	}
+
+	jar {
+		archiveClassifier.set "dev"
+	}
+
+	loom {
+		shareCaches = true
+	}
+
+	java {
+		withSourcesJar()
+	}
+
+}
+
+dependencies {
+	afterEvaluate {
+		subprojects.each {
+			include project("${it.name}:")
+		}
+	}
+
+	include fabricApi.module("fabric-api-base", "0.31.0+1.16")
+}
+
+archivesBaseName = "multiproject"
+version = "1.0.0"

src/test/resources/projects/multiproject/core/build.gradle

@@ -0,0 +1 @@
+archivesBaseName = "core"

src/test/resources/projects/multiproject/core/src/main/java/net/fabricmc/core/ExampleMod.java

@@ -0,0 +1,14 @@
+package net.fabricmc.core;
+
+import net.fabricmc.api.ModInitializer;
+
+public class ExampleMod implements ModInitializer {
+	@Override
+	public void onInitialize() {
+		// This code runs as soon as Minecraft is in a mod-load-ready state.
+		// However, some things (like resources) may still be uninitialized.
+		// Proceed with mild caution.
+
+		System.out.println("Hello Fabric world!");
+	}
+}

src/test/resources/projects/multiproject/core/src/main/resources/fabric.mod.json

@@ -0,0 +1,33 @@
+{
+  "schemaVersion": 1,
+  "id": "modid",
+  "version": "${version}",
+
+  "name": "Example Mod",
+  "description": "This is an example description! Tell everyone what your mod is about!",
+  "authors": [
+    "Me!"
+  ],
+  "contact": {
+    "homepage": "https://fabricmc.net/",
+    "sources": "https://github.com/FabricMC/fabric-example-mod"
+  },
+
+  "license": "CC0-1.0",
+
+  "environment": "*",
+  "entrypoints": {
+    "main": [
+      "net.fabricmc.core.ExampleMod"
+    ]
+  },
+
+  "depends": {
+    "fabricloader": ">=0.7.4",
+    "fabric": "*",
+    "minecraft": "1.16.x"
+  },
+  "suggests": {
+    "another-mod": "*"
+  }
+}

src/test/resources/projects/multiproject/example/build.gradle

@@ -0,0 +1,5 @@
+archivesBaseName = "example"
+
+dependencies {
+	implementation project(path: ":core", configuration: "dev")
+}

src/test/resources/projects/multiproject/example/src/main/java/net/fabricmc/example/ExampleMod.java

@@ -0,0 +1,14 @@
+package net.fabricmc.example;
+
+import net.fabricmc.api.ModInitializer;
+
+public class ExampleMod implements ModInitializer {
+	@Override
+	public void onInitialize() {
+		// This code runs as soon as Minecraft is in a mod-load-ready state.
+		// However, some things (like resources) may still be uninitialized.
+		// Proceed with mild caution.
+
+		System.out.println("Hello Fabric world!");
+	}
+}

src/test/resources/projects/multiproject/example/src/main/java/net/fabricmc/example/mixin/ExampleMixin.java

@@ -0,0 +1,15 @@
+package net.fabricmc.example.mixin;
+
+import net.minecraft.client.gui.screen.TitleScreen;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(TitleScreen.class)
+public class ExampleMixin {
+	@Inject(at = @At("HEAD"), method = "init()V")
+	private void init(CallbackInfo info) {
+		System.out.println("This line is printed by an example mod mixin!");
+	}
+}

src/test/resources/projects/multiproject/example/src/main/resources/fabric.mod.json

@@ -0,0 +1,36 @@
+{
+  "schemaVersion": 1,
+  "id": "modid",
+  "version": "${version}",
+
+  "name": "Example Mod",
+  "description": "This is an example description! Tell everyone what your mod is about!",
+  "authors": [
+    "Me!"
+  ],
+  "contact": {
+    "homepage": "https://fabricmc.net/",
+    "sources": "https://github.com/FabricMC/fabric-example-mod"
+  },
+
+  "license": "CC0-1.0",
+
+  "environment": "*",
+  "entrypoints": {
+    "main": [
+      "net.fabricmc.example.ExampleMod"
+    ]
+  },
+  "mixins": [
+    "modid.mixins.json"
+  ],
+
+  "depends": {
+    "fabricloader": ">=0.7.4",
+    "fabric": "*",
+    "minecraft": "1.16.x"
+  },
+  "suggests": {
+    "another-mod": "*"
+  }
+}

src/test/resources/projects/multiproject/example/src/main/resources/modid.mixins.json

@@ -0,0 +1,14 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "net.fabricmc.example.mixin",
+  "compatibilityLevel": "JAVA_8",
+  "mixins": [
+  ],
+  "client": [
+    "ExampleMixin"
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}

src/test/resources/projects/multiproject/gradle.properties

@@ -0,0 +1,17 @@
+# Done to increase the memory available to gradle.
+org.gradle.jvmargs=-Xmx1G
+
+# Fabric Properties
+	# check these on https://fabricmc.net/use
+	minecraft_version=1.16.5
+	yarn_mappings=1.16.5+build.5
+	loader_version=0.11.2
+
+# Mod Properties
+	mod_version = 1.0.0
+	maven_group = com.example
+	archives_base_name = fabric-example-mod
+
+# Dependencies
+	# currently not on the main fabric site, check on the maven: https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api
+	fabric_version=0.31.0+1.16

src/test/resources/projects/multiproject/settings.gradle

@@ -0,0 +1,4 @@
+rootProject.name = "fabric-example-mod"
+
+include 'core'
+include 'example'

src/test/resources/projects/runconfigs/build.gradle

@@ -0,0 +1,33 @@
+plugins {
+	id 'fabric-loom'
+}
+
+loom {
+	runs {
+		testmodClient {
+			client()
+			ideConfigGenerated project.rootProject == project
+			name = "Testmod Client"
+			source sourceSets.main
+		}
+		testmodServer {
+			server()
+			ideConfigGenerated project.rootProject == project
+			name = "Testmod Server"
+			source sourceSets.main
+		}
+		autoTestServer {
+			inherit testmodServer
+			vmArg "-Dfabric.autoTest"
+		}
+	}
+}
+
+archivesBaseName = "fabric-example-mod"
+version = "1.0.0"
+
+dependencies {
+	minecraft "com.mojang:minecraft:1.16.5"
+	mappings "net.fabricmc:yarn:1.16.5+build.5:v2"
+	modImplementation "net.fabricmc:fabric-loader:0.11.2"
+}

src/test/resources/projects/runconfigs/gradle.properties

@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx1G

src/test/resources/projects/runconfigs/settings.gradle

@@ -0,0 +1,2 @@
+rootProject.name = "fabric-example-mod"
+

src/test/resources/projects/runconfigs/src/main/java/net/fabricmc/example/ExampleMod.java

@@ -0,0 +1,13 @@
+package net.fabricmc.example;
+
+import net.fabricmc.api.ModInitializer;
+
+public class ExampleMod implements ModInitializer {
+	@Override
+	public void onInitialize() {
+		System.out.println("Hello Fabric world!");
+
+		// Quit now, we dont need to load the whole game to know the run configs are works
+		System.exit(0);
+	}
+}

src/test/resources/projects/runconfigs/src/main/resources/fabric.mod.json

@@ -0,0 +1,11 @@
+{
+  "schemaVersion": 1,
+  "id": "modid",
+  "version": "1.0.0",
+  "environment": "*",
+  "entrypoints": {
+    "main": [
+      "net.fabricmc.example.ExampleMod"
+    ]
+  }
+}