Implement AndroidGradleIntegrationTest

20 files changed, 543 insertions, 151 deletions

diff --git a/integration-tests/build.gradle.kts b/integration-tests/build.gradle.kts
index e69de29b..ec9b4004 100644
--- a/integration-tests/build.gradle.kts
+++ b/integration-tests/build.gradle.kts
@@ -0,0 +1,30 @@
+subprojects {
+    sourceSets {
+        create("integrationTest") {
+            compileClasspath += sourceSets.main.get().output
+            runtimeClasspath += sourceSets.main.get().output
+        }
+    }
+    configurations.getByName("integrationTestImplementation") {
+        extendsFrom(configurations.implementation.get())
+    }
+
+    configurations.getByName("integrationTestRuntimeOnly") {
+        extendsFrom(configurations.runtimeOnly.get())
+    }
+
+    val integrationTest = task<Test>("integrationTest") {
+        maxHeapSize = "2G"
+        description = "Runs integration tests."
+        group = "verification"
+
+        testClassesDirs = sourceSets["integrationTest"].output.classesDirs
+        classpath = sourceSets["integrationTest"].runtimeClasspath
+
+        useJUnit()
+    }
+
+    tasks.check {
+        dependsOn(integrationTest)
+    }
+}
diff --git a/integration-tests/gradle/build.gradle.kts b/integration-tests/gradle/build.gradle.kts
index fb5e5739..2c526af7 100644
--- a/integration-tests/gradle/build.gradle.kts
+++ b/integration-tests/gradle/build.gradle.kts
@@ -1,15 +1,22 @@
+import org.jetbrains.invokeWhenEvaluated
+
 dependencies {
     implementation(kotlin("stdlib"))
     implementation(kotlin("test-junit"))
     implementation(gradleTestKit())
 }
 
-tasks {
-    test {
-        inputs.dir(file("projects"))
+val integrationTest by tasks.integrationTest
+integrationTest.inputs.dir(file("projects"))
 
-        rootProject.allprojects
-            .mapNotNull { project -> project.tasks.findByName("publishToMavenLocal") }
-            .forEach { publishTask -> this.dependsOn(publishTask) }
+rootProject.allprojects.forEach { otherProject ->
+    otherProject.invokeWhenEvaluated { evaluatedProject ->
+        evaluatedProject.tasks.findByName("publishToMavenLocal")?.let { publishingTask ->
+            integrationTest.dependsOn(publishingTask)
+        }
     }
 }
+
+tasks.clean {
+    delete(File(buildDir, "gradle-test-kit"))
+}
diff --git a/integration-tests/gradle/projects/it-android-0/build.gradle.kts b/integration-tests/gradle/projects/it-android-0/build.gradle.kts
new file mode 100644
index 00000000..32c5c56c
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/build.gradle.kts
@@ -0,0 +1,19 @@
+plugins {
+    id("com.android.library")
+    id("org.jetbrains.dokka")
+    kotlin("android")
+}
+
+apply(from = "../template.root.gradle.kts")
+
+android {
+    defaultConfig {
+        minSdkVersion(21)
+        setCompileSdkVersion(29)
+    }
+}
+
+dependencies {
+    implementation(kotlin("stdlib"))
+}
+
diff --git a/integration-tests/gradle/projects/it-android-0/gradle.properties b/integration-tests/gradle/projects/it-android-0/gradle.properties
new file mode 100644
index 00000000..1332de19
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/gradle.properties
@@ -0,0 +1,2 @@
+dokka_it_kotlin_version=1.3.72
+dokka_it_android_gradle_plugin_version=4.0.0
diff --git a/integration-tests/gradle/projects/it-android-0/gradle/wrapper/gradle-wrapper.jar b/integration-tests/gradle/projects/it-android-0/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..f3d88b1c
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/gradle/wrapper/gradle-wrapper.jar
diff --git a/integration-tests/gradle/projects/it-android-0/gradle/wrapper/gradle-wrapper.properties b/integration-tests/gradle/projects/it-android-0/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 00000000..1b16c34a
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/integration-tests/gradle/projects/it-android-0/gradlew b/integration-tests/gradle/projects/it-android-0/gradlew
new file mode 100755
index 00000000..2fe81a7d
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/gradlew
@@ -0,0 +1,183 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# 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
+#
+#      https://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.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
diff --git a/integration-tests/gradle/projects/it-android-0/gradlew.bat b/integration-tests/gradle/projects/it-android-0/gradlew.bat
new file mode 100644
index 00000000..24467a14
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/gradlew.bat
@@ -0,0 +1,100 @@
+@rem

+@rem Copyright 2015 the original author or authors.

+@rem

+@rem Licensed under the Apache License, Version 2.0 (the "License");

+@rem you may not use this file except in compliance with the License.

+@rem You may obtain a copy of the License at

+@rem

+@rem      https://www.apache.org/licenses/LICENSE-2.0

+@rem

+@rem Unless required by applicable law or agreed to in writing, software

+@rem distributed under the License is distributed on an "AS IS" BASIS,

+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+@rem See the License for the specific language governing permissions and

+@rem limitations under the License.

+@rem

+

+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windows variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/integration-tests/gradle/projects/it-android-0/settings.gradle.kts b/integration-tests/gradle/projects/it-android-0/settings.gradle.kts
new file mode 100644
index 00000000..664d2cb7
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/settings.gradle.kts
@@ -0,0 +1,5 @@
+@file:Suppress("LocalVariableName", "UnstableApiUsage")
+
+apply(from = "../template.settings.gradle.kts")
+rootProject.name = "it-android-0"
+
diff --git a/integration-tests/gradle/projects/it-android-0/src/main/AndroidManifest.xml b/integration-tests/gradle/projects/it-android-0/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..a35f86be
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/src/main/AndroidManifest.xml
@@ -0,0 +1 @@
+<manifest package="org.jetbrains.dokka.it.android"/>
diff --git a/integration-tests/gradle/projects/it-android-0/src/main/java/it/android/AndroidSpecificClass.kt b/integration-tests/gradle/projects/it-android-0/src/main/java/it/android/AndroidSpecificClass.kt
new file mode 100644
index 00000000..cb9046b1
--- /dev/null
+++ b/integration-tests/gradle/projects/it-android-0/src/main/java/it/android/AndroidSpecificClass.kt
@@ -0,0 +1,16 @@
+@file:Suppress("unused")
+
+package it.android
+
+import android.content.Context
+import android.util.SparseIntArray
+import android.view.View
+
+/**
+ * This class is specific to android and uses android classes like:
+ * [Context], [SparseIntArray] or [View]
+ */
+class AndroidSpecificClass {
+    fun sparseIntArray() = SparseIntArray()
+    fun createView(context: Context): View = View(context)
+}
diff --git a/integration-tests/gradle/projects/template.root.gradle.kts b/integration-tests/gradle/projects/template.root.gradle.kts
index 1285375d..de516cb0 100644
--- a/integration-tests/gradle/projects/template.root.gradle.kts
+++ b/integration-tests/gradle/projects/template.root.gradle.kts
@@ -4,10 +4,14 @@ allprojects {
         jcenter()
         mavenLocal()
         mavenCentral()
+        google()
     }
 }
 
 afterEvaluate {
     logger.quiet("Gradle version: ${gradle.gradleVersion}")
     logger.quiet("Kotlin version: ${properties["dokka_it_kotlin_version"]}")
+    properties["dokka_it_android_gradle_plugin_version"]?.let { androidVersion ->
+        logger.quiet("Android version: $androidVersion")
+    }
 }
diff --git a/integration-tests/gradle/projects/template.settings.gradle.kts b/integration-tests/gradle/projects/template.settings.gradle.kts
index f28de32a..253c4e1b 100644
--- a/integration-tests/gradle/projects/template.settings.gradle.kts
+++ b/integration-tests/gradle/projects/template.settings.gradle.kts
@@ -2,9 +2,11 @@
 
 pluginManagement {
     val dokka_it_kotlin_version: String by settings
+    val dokka_it_android_gradle_plugin_version: String? by settings
 
     plugins {
         id("org.jetbrains.kotlin.jvm") version dokka_it_kotlin_version
+        id("org.jetbrains.kotlin.android") version dokka_it_kotlin_version
         id("org.jetbrains.kotlin.multiplatform") version dokka_it_kotlin_version
     }
 
@@ -13,6 +15,14 @@ pluginManagement {
             if (requested.id.id == "org.jetbrains.dokka") {
                 useModule("org.jetbrains.dokka:dokka-gradle-plugin:for-integration-tests-SNAPSHOT")
             }
+
+            if (requested.id.id == "com.android.library") {
+                useModule("com.android.tools.build:gradle:$dokka_it_android_gradle_plugin_version")
+            }
+
+            if (requested.id.id == "com.android.application") {
+                useModule("com.android.tools.build:gradle:$dokka_it_android_gradle_plugin_version")
+            }
         }
     }
     repositories {
@@ -21,5 +31,6 @@ pluginManagement {
         mavenCentral()
         jcenter()
         gradlePluginPortal()
+        google()
     }
 }
diff --git a/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Android0GradleIntegrationTest.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Android0GradleIntegrationTest.kt
new file mode 100644
index 00000000..93d84e1f
--- /dev/null
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Android0GradleIntegrationTest.kt
@@ -0,0 +1,69 @@
+package org.jetbrains.dokka.it.gradle
+
+import org.gradle.testkit.runner.TaskOutcome
+import org.junit.Assume
+import org.junit.runners.Parameterized.Parameters
+import java.io.File
+import kotlin.test.BeforeTest
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNotNull
+
+class Android0GradleIntegrationTest(override val versions: BuildVersions) : AbstractGradleIntegrationTest() {
+
+    companion object {
+        @get:JvmStatic
+        @get:Parameters(name = "{0}")
+        val versions = BuildVersions.permutations(
+            gradleVersions = listOf("6.5.1", "5.6.4"),
+            kotlinVersions = listOf("1.3.72", "1.4-M2-eap-70"),
+            androidGradlePluginVersions = listOf("3.5.3", "3.6.3")
+        ) + BuildVersions.permutations(
+            gradleVersions = listOf("6.5.1","6.1.1"),
+            kotlinVersions = listOf("1.3.72", "1.4-M2-eap-70"),
+            androidGradlePluginVersions = listOf("4.0.0")
+        ) + BuildVersions.permutations(
+            gradleVersions = listOf("6.5.1"),
+            kotlinVersions = listOf("1.3.72", "1.4-M2-eap-70"),
+            androidGradlePluginVersions = listOf("4.1.0-beta02")
+        )
+    }
+
+    @BeforeTest
+    fun assumeAndroidInstallation() {
+        val isCI = System.getenv("CI") != null
+        if (isCI) {
+            return
+        }
+
+        val androidSdkRoot = System.getenv("ANDROID_SDK_ROOT")
+        val androidHome = System.getenv("ANDROID_HOME")
+
+        val isAndroidSdkInstalled = androidSdkRoot != null || androidHome != null
+
+        Assume.assumeTrue(
+            "Missing ANDROID_SDK_ROOT",
+            isAndroidSdkInstalled
+        )
+    }
+
+    @BeforeTest
+    fun prepareProjectFiles() {
+        val templateProjectDir = File("projects", "it-android-0")
+
+        templateProjectDir.listFiles().orEmpty()
+            .filter { it.isFile }
+            .filterNot { it.name == "local.properties" }
+            .filterNot { it.name.startsWith("gradlew") }
+            .forEach { topLevelFile -> topLevelFile.copyTo(File(projectDir, topLevelFile.name)) }
+
+        File(templateProjectDir, "src").copyRecursively(File(projectDir, "src"))
+    }
+
+    @Test
+    fun execute() {
+        val result = createGradleRunner("dokka", "--stacktrace").build()
+        assertEquals(TaskOutcome.SUCCESS, assertNotNull(result.task(":dokka")).outcome)
+    }
+
+}
diff --git a/integration-tests/gradle/src/test/kotlin/org/jetbrains/dokka/it/gradle/BasicGradleIntegrationTest.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/BasicGradleIntegrationTest.kt
index b4d9e82c..c3adce4f 100644
--- a/integration-tests/gradle/src/test/kotlin/org/jetbrains/dokka/it/gradle/BasicGradleIntegrationTest.kt
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/BasicGradleIntegrationTest.kt
@@ -1,10 +1,21 @@
 package org.jetbrains.dokka.it.gradle
 
 import org.gradle.testkit.runner.TaskOutcome
+import org.junit.runners.Parameterized
+import org.junit.runners.Parameterized.Parameters
 import java.io.File
 import kotlin.test.*
 
-class BasicGradleIntegrationTest : AbstractDefaultVersionsGradleIntegrationTest() {
+class BasicGradleIntegrationTest(override val versions: BuildVersions) : AbstractGradleIntegrationTest() {
+
+    companion object {
+        @get:JvmStatic
+        @get:Parameters(name = "{0}")
+        val versions = BuildVersions.permutations(
+            gradleVersions = listOf("6.5.1", "6.4.1", "6.3", "6.2.2", "6.1.1", "6.0", "5.6.4"),
+            kotlinVersions = listOf("1.3.30", "1.3.72", "1.4-M2-eap-70")
+        )
+    }
 
     @BeforeTest
     fun prepareProjectFiles() {
@@ -17,11 +28,9 @@ class BasicGradleIntegrationTest : AbstractDefaultVersionsGradleIntegrationTest(
         File(templateProjectDir, "src").copyRecursively(File(projectDir, "src"))
     }
 
-    override fun execute(versions: BuildVersions) {
-        val result = createGradleRunner(
-            buildVersions = versions,
-            arguments = arrayOf("dokka", "--stacktrace")
-        ).build()
+    @Test
+    fun execute() {
+        val result = createGradleRunner("dokka", "--stacktrace").build()
         assertEquals(TaskOutcome.SUCCESS, assertNotNull(result.task(":dokka")).outcome)
 
         val dokkaOutputDir = File(projectDir, "build/dokka")
diff --git a/integration-tests/gradle/src/test/kotlin/org/jetbrains/dokka/it/gradle/Multiplatform0GradleIntegrationTest.kt b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Multiplatform0GradleIntegrationTest.kt
index a0f6be24..b54eecb1 100644
--- a/integration-tests/gradle/src/test/kotlin/org/jetbrains/dokka/it/gradle/Multiplatform0GradleIntegrationTest.kt
+++ b/integration-tests/gradle/src/integrationTest/kotlin/org/jetbrains/dokka/it/gradle/Multiplatform0GradleIntegrationTest.kt
@@ -2,15 +2,20 @@ package org.jetbrains.dokka.it.gradle
 
 import org.gradle.testkit.runner.TaskOutcome
 import org.gradle.util.GradleVersion
+import org.junit.runners.Parameterized
 import java.io.File
-import kotlin.test.BeforeTest
-import kotlin.test.assertEquals
-import kotlin.test.assertNotNull
-import kotlin.test.assertTrue
+import kotlin.test.*
 
-class Multiplatform0GradleIntegrationTest : AbstractDefaultVersionsGradleIntegrationTest(
-    minGradleVersion = GradleVersion.version("6.0.0")
-) {
+class Multiplatform0GradleIntegrationTest(override val versions: BuildVersions) : AbstractGradleIntegrationTest() {
+
+    companion object {
+        @get:JvmStatic
+        @get:Parameterized.Parameters(name = "{0}")
+        val versions = BuildVersions.permutations(
+            gradleVersions = listOf("6.5.1", "6.1.1"),
+            kotlinVersions = listOf("1.3.30", "1.3.72", "1.4-M2-eap-70")
+        )
+    }
 
     @BeforeTest
     fun prepareProjectFiles() {
@@ -21,11 +26,9 @@ class Multiplatform0GradleIntegrationTest : AbstractDefaultVersionsGradleIntegra
         File(templateProjectDir, "src").copyRecursively(File(projectDir, "src"))
     }
 
-    override fun execute(versions: BuildVersions) {
-        val result = createGradleRunner(
-            buildVersions = versions,
-            arguments = arrayOf("dokka", "--stacktrace")
-        ).build()
+    @Test
+    fun execute() {
+        val result = createGradleRunner("dokka", "--stacktrace").build()
 
         assertEquals(TaskOutcome.SUCCESS, assertNotNull(result.task(":dokka")).outcome)
 
@@ -37,5 +40,4 @@ class Multiplatform0GradleIntegrationTest : AbstractDefaultVersionsGradleIntegra
             assertNoUnresolvedLInks(file)
         }
     }
-
 }
diff --git a/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/AbstractDefaultVersionsGradleIntegrationTest.kt b/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/AbstractDefaultVersionsGradleIntegrationTest.kt
deleted file mode 100644
index 80737129..00000000
--- a/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/AbstractDefaultVersionsGradleIntegrationTest.kt
+++ /dev/null
@@ -1,84 +0,0 @@
-package org.jetbrains.dokka.it.gradle
-
-import org.gradle.util.GradleVersion
-import org.junit.Assume
-import org.junit.Test
-
-abstract class AbstractDefaultVersionsGradleIntegrationTest(
-    private val minGradleVersion: GradleVersion? = null,
-    private val maxGradleVersion: GradleVersion? = null
-) : AbstractGradleIntegrationTest() {
-
-    protected abstract fun execute(versions: BuildVersions)
-
-    private fun executeIfRequirementsAreMet(versions: BuildVersions) {
-        if (minGradleVersion != null) {
-            Assume.assumeTrue(versions.gradleVersion >= minGradleVersion)
-        }
-        if (maxGradleVersion != null) {
-            Assume.assumeTrue(versions.gradleVersion <= maxGradleVersion)
-        }
-
-        execute(versions )
-    }
-
-    @Test
-    open fun `gradle 5_6_4 kotlin 1_3_72`() {
-        executeIfRequirementsAreMet(
-            BuildVersions(
-                gradleVersion = "5.6.4",
-                kotlinVersion = "1.3.72"
-            )
-        )
-    }
-
-    @Test
-    open fun `gradle 5_6_4 kotlin 1_3_30`() {
-        executeIfRequirementsAreMet(
-            BuildVersions(
-                gradleVersion = "5.6.4",
-                kotlinVersion = "1.3.30"
-            )
-        )
-    }
-
-    @Test
-    open fun `gradle 5_6_4 kotlin 1_4_M2_eap_70`() {
-        executeIfRequirementsAreMet(
-            BuildVersions(
-                gradleVersion = "5.6.4",
-                kotlinVersion = "1.4-M2-eap-70"
-            )
-        )
-    }
-
-    @Test
-    open fun `gradle 6_1_1 kotlin 1_3_72`() {
-        executeIfRequirementsAreMet(
-            BuildVersions(
-                gradleVersion = "6.1.1",
-                kotlinVersion = "1.3.72"
-            )
-        )
-    }
-
-    @Test
-    open fun `gradle 6_5_1 kotlin 1_4_M2_eap_70`() {
-        executeIfRequirementsAreMet(
-            BuildVersions(
-                gradleVersion = "6.5.1",
-                kotlinVersion = "1.4-M2-eap-70"
-            )
-        )
-    }
-
-    @Test
-    open fun `gradle 6_5_1 kotlin 1_3_72`() {
-        executeIfRequirementsAreMet(
-            BuildVersions(
-                gradleVersion = "6.5.1",
-                kotlinVersion = "1.3.72"
-            )
-        )
-    }
-}
diff --git a/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/AbstractGradleIntegrationTest.kt b/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/AbstractGradleIntegrationTest.kt
index e6b6b0eb..bb2d0cc6 100644
--- a/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/AbstractGradleIntegrationTest.kt
+++ b/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/AbstractGradleIntegrationTest.kt
@@ -1,21 +1,26 @@
 package org.jetbrains.dokka.it.gradle
 
 import org.gradle.testkit.runner.GradleRunner
+import org.gradle.testkit.runner.internal.DefaultGradleRunner
 import org.junit.Rule
 import org.junit.rules.TemporaryFolder
+import org.junit.runner.RunWith
+import org.junit.runners.Parameterized
 import java.io.File
 import kotlin.test.BeforeTest
+import kotlin.test.Test
 import kotlin.test.assertFalse
 
+@RunWith(Parameterized::class)
 abstract class AbstractGradleIntegrationTest {
 
+    abstract val versions: BuildVersions
+
     @get:Rule
     val temporaryTestFolder = TemporaryFolder()
 
     val projectDir get() = File(temporaryTestFolder.root, "project")
 
-    val projectPath get() = projectDir.toPath()
-
     @BeforeTest
     fun copyTemplates() {
         File("projects").listFiles().orEmpty()
@@ -25,19 +30,24 @@ abstract class AbstractGradleIntegrationTest {
     }
 
     fun createGradleRunner(
-        buildVersions: BuildVersions, arguments: Array<String>
+        vararg arguments: String
     ): GradleRunner {
         return GradleRunner.create()
             .withProjectDir(projectDir)
-            .withGradleVersion(buildVersions.gradleVersion.version)
+            .withGradleVersion(versions.gradleVersion.version)
             .forwardOutput()
+            .withTestKitDir(File("build", "gradle-test-kit").absoluteFile)
             .withArguments(
-                "-Pkotlin_version=${buildVersions.kotlinVersion}",
-                "-Pdokka_it_kotlin_version=${buildVersions.kotlinVersion}",
-                * arguments
-            )
-            .withDebug(true)
-
+                listOfNotNull(
+                    "-Pkotlin_version=${versions.kotlinVersion}",
+                    "-Pdokka_it_kotlin_version=${versions.kotlinVersion}",
+                    versions.androidGradlePluginVersion?.let { androidVersion ->
+                        "-Pdokka_it_android_gradle_plugin_version=$androidVersion"
+                    },
+                    * arguments
+                )
+            ).run { this as DefaultGradleRunner }
+            .withJvmArguments("-Xmx4G", "-XX:MaxMetaspaceSize=512M")
     }
 
     fun File.allDescendentsWithExtension(extension: String): Sequence<File> {
diff --git a/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/BuildVersions.kt b/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/BuildVersions.kt
index 2fdd0368..84a7f1e8 100644
--- a/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/BuildVersions.kt
+++ b/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/BuildVersions.kt
@@ -4,13 +4,45 @@ import org.gradle.util.GradleVersion
 
 data class BuildVersions(
     val gradleVersion: GradleVersion,
-    val kotlinVersion: String
+    val kotlinVersion: String,
+    val androidGradlePluginVersion: String? = null,
 ) {
     constructor(
         gradleVersion: String,
-        kotlinVersion: String
+        kotlinVersion: String,
+        androidGradlePluginVersion: String? = null
     ) : this(
         gradleVersion = GradleVersion.version(gradleVersion),
-        kotlinVersion = kotlinVersion
+        kotlinVersion = kotlinVersion,
+        androidGradlePluginVersion = androidGradlePluginVersion
     )
+
+    override fun toString(): String {
+        return buildString {
+            append("Gradle ${gradleVersion.version}, Kotlin $kotlinVersion")
+            if (androidGradlePluginVersion != null) {
+                append(", Android $androidGradlePluginVersion")
+            }
+        }
+    }
+
+    companion object {
+        fun permutations(
+            gradleVersions: List<String>,
+            kotlinVersions: List<String>,
+            androidGradlePluginVersions: List<String?> = listOf(null)
+        ): List<BuildVersions> {
+            return gradleVersions.distinct().flatMap { gradleVersion ->
+                kotlinVersions.distinct().flatMap { kotlinVersion ->
+                    androidGradlePluginVersions.distinct().map { androidVersion ->
+                        BuildVersions(
+                            gradleVersion = gradleVersion,
+                            kotlinVersion = kotlinVersion,
+                            androidGradlePluginVersion = androidVersion
+                        )
+                    }
+                }
+            }
+        }
+    }
 }
diff --git a/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/utils.kt b/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/utils.kt
deleted file mode 100644
index 2516b151..00000000
--- a/integration-tests/gradle/src/main/kotlin/org/jetbrains/dokka/it/gradle/utils.kt
+++ /dev/null
@@ -1,29 +0,0 @@
-package org.jetbrains.dokka.it.gradle
-
-import java.io.IOException
-import java.nio.file.*
-import java.nio.file.attribute.BasicFileAttributes
-
-fun Path.copy(to: Path) {
-    Files.walkFileTree(this, CopyFileVisitor(this, to))
-}
-
-class CopyFileVisitor(private var sourcePath: Path, private val targetPath: Path) : SimpleFileVisitor<Path>() {
-    @Throws(IOException::class)
-    override fun preVisitDirectory(
-        dir: Path,
-        attrs: BasicFileAttributes
-    ): FileVisitResult {
-        Files.createDirectories(targetPath.resolve(sourcePath.relativize(dir)))
-        return FileVisitResult.CONTINUE
-    }
-
-    @Throws(IOException::class)
-    override fun visitFile(
-        file: Path,
-        attrs: BasicFileAttributes
-    ): FileVisitResult {
-        Files.copy(file, targetPath.resolve(sourcePath.relativize(file)), StandardCopyOption.REPLACE_EXISTING)
-        return FileVisitResult.CONTINUE
-    }
-}