Multimodule tests (#1670)

* Multimodule tests

* Multimodule tests

1 files changed, 81 insertions, 0 deletions

diff --git a/plugins/all-modules-page/src/test/kotlin/MultiModuleDokkaTestGenerator.kt b/plugins/all-modules-page/src/test/kotlin/MultiModuleDokkaTestGenerator.kt
new file mode 100644
index 00000000..c8542dfe
--- /dev/null
+++ b/plugins/all-modules-page/src/test/kotlin/MultiModuleDokkaTestGenerator.kt
@@ -0,0 +1,81 @@
+package org.jetbrains.dokka.allModulesPage
+
+import org.jetbrains.dokka.CoreExtensions
+import org.jetbrains.dokka.DokkaConfiguration
+import org.jetbrains.dokka.DokkaGenerator
+import org.jetbrains.dokka.pages.RootPageNode
+import org.jetbrains.dokka.plugability.DokkaContext
+import org.jetbrains.dokka.plugability.DokkaPlugin
+import org.jetbrains.dokka.testApi.logger.TestLogger
+import org.jetbrains.dokka.testApi.testRunner.AbstractTest
+import org.jetbrains.dokka.testApi.testRunner.DokkaTestGenerator
+import org.jetbrains.dokka.testApi.testRunner.TestBuilder
+import org.jetbrains.dokka.testApi.testRunner.TestMethods
+import org.jetbrains.dokka.utilities.DokkaConsoleLogger
+import org.jetbrains.dokka.utilities.DokkaLogger
+
+class MultiModuleDokkaTestGenerator(
+    configuration: DokkaConfiguration,
+    logger: DokkaLogger,
+    testMethods: MultiModuleTestMethods,
+    additionalPlugins: List<DokkaPlugin> = emptyList()
+) : DokkaTestGenerator<MultiModuleTestMethods>(
+    configuration,
+    logger,
+    testMethods,
+    additionalPlugins + AllModulesPagePlugin()
+) {
+    override fun generate() = with(testMethods) {
+        val dokkaGenerator = DokkaGenerator(configuration, logger)
+
+        val context =
+            dokkaGenerator.initializePlugins(configuration, logger, additionalPlugins + AllModulesPagePlugin())
+        pluginsSetupStage(context)
+
+        val generation = context.single(CoreExtensions.generation) as AllModulesPageGeneration
+
+        val allModulesPage = generation.createAllModulesPage()
+        allModulesPageCreationStage(allModulesPage)
+
+        val transformedPages = generation.transformAllModulesPage(allModulesPage)
+        pagesTransformationStage(transformedPages)
+
+        generation.render(transformedPages)
+        renderingStage(transformedPages, context)
+
+        generation.processSubmodules()
+        submoduleProcessingStage(context)
+    }
+
+}
+
+open class MultiModuleTestMethods(
+    open val pluginsSetupStage: (DokkaContext) -> Unit,
+    open val allModulesPageCreationStage: (RootPageNode) -> Unit,
+    open val pagesTransformationStage: (RootPageNode) -> Unit,
+    open val renderingStage: (RootPageNode, DokkaContext) -> Unit,
+    open val submoduleProcessingStage: (DokkaContext) -> Unit,
+) : TestMethods
+
+class MultiModuleTestBuilder : TestBuilder<MultiModuleTestMethods>() {
+    var pluginsSetupStage: (DokkaContext) -> Unit = {}
+    var allModulesPageCreationStage: (RootPageNode) -> Unit = {}
+    var pagesTransformationStage: (RootPageNode) -> Unit = {}
+    var renderingStage: (RootPageNode, DokkaContext) -> Unit = { _, _ -> }
+    var submoduleProcessingStage: (DokkaContext) -> Unit = {}
+
+    override fun build() = MultiModuleTestMethods(
+        pluginsSetupStage,
+        allModulesPageCreationStage,
+        pagesTransformationStage,
+        renderingStage,
+        submoduleProcessingStage,
+    )
+}
+
+abstract class MultiModuleAbstractTest(logger: TestLogger = TestLogger(DokkaConsoleLogger)) :
+    AbstractTest<MultiModuleTestMethods, MultiModuleTestBuilder, MultiModuleDokkaTestGenerator>(
+        ::MultiModuleTestBuilder,
+        ::MultiModuleDokkaTestGenerator,
+        logger,
+    )