1 files changed, 50 insertions, 0 deletions
diff --git a/src/test/groovy/net/fabricmc/loom/EmptyBuildMojangFunctionalTest.groovy b/src/test/groovy/net/fabricmc/loom/EmptyBuildMojangFunctionalTest.groovy
new file mode 100644
index 00000000..a49c3880
--- /dev/null
+++ b/src/test/groovy/net/fabricmc/loom/EmptyBuildMojangFunctionalTest.groovy
@@ -0,0 +1,50 @@
+package net.fabricmc.loom
+
+import org.gradle.testkit.runner.GradleRunner
+import org.junit.Rule
+import org.junit.rules.TemporaryFolder
+import spock.lang.Specification
+import spock.lang.Unroll
+
+import static net.fabricmc.loom.BuildUtils.*
+import static org.gradle.testkit.runner.TaskOutcome.SUCCESS
+
+/**
+ * Created by Mitchell Skaggs on 6/10/2019.
+ */
+class EmptyBuildMojangFunctionalTest extends Specification {
+	@Rule
+	TemporaryFolder testProjectDir = new TemporaryFolder()
+	File settingsFile
+	File buildFile
+	File propsFile
+
+	def setup() {
+		settingsFile = testProjectDir.newFile('settings.gradle')
+		buildFile = testProjectDir.newFile('build.gradle')
+		propsFile = testProjectDir.newFile('gradle.properties')
+	}
+
+	@Unroll
+	def "empty build succeeds using Minecraft #mcVersion"() {
+		given:
+		settingsFile << genSettingsFile("empty-build-functional-test")
+		propsFile << genPropsFile(mcVersion, "nope", loaderVersion, fabricVersion)
+		buildFile << genBuildFile("minecraft.officialMojangMappings()")
+
+		when:
+		def result = GradleRunner.create()
+				.withProjectDir(testProjectDir.root)
+				.withArguments('build',"--stacktrace")
+				.withPluginClasspath()
+				.forwardOutput()
+				.build()
+
+		then:
+		result.task(":build").outcome == SUCCESS
+
+		where:
+		mcVersion	| loaderVersion     | fabricVersion
+		'1.16.2'	| '0.9.2+build.206' | '0.19.0+build.398-1.16'
+	}
+}